We needed to purchase a new bench grinder for our workshop to sharpen our knives, chisels, blades, and other tools. So, we have narrowed it down to five bench grinders that are useful for sharpening knives, blades, and chisels.
Bench grinders are power tools used in sharpening operations. It usually consists of two grinding wheels of different materials and grades, driven by an electric motor. They can be used for cutting, finishing, cleaning, and many other applications.
They are among the most versatile pieces of equipment, improving efficiency and reducing the need for specialized tools for each process. If you are a professional contractor, a bench grinder will improve the quality of your work and make it easier.
Best Bench Grinder For Sharpening Chisels
Types of Grinding Wheels
Grinding wheels come in different grit levels for sharpening and grinding and are designed for use at specific rotational speeds. For example, straight grinding wheels can be used to sharpen most types of surfaces and tools such as chisels. A conical wheel is suitable for delicate work, a saucer wheel for sharpening saw blades, and a diamond wheel when large grinding forces are required.
Adjustable Speed Knob
Most bench grinders do not have the ability to change the speed of rotation. Some, however, are equipped with a speed knob that allows the grinder to slow down or speed up as needed. This feature is not very important for projects that only require a constant speed, but it can be important for projects that require speed adjustments.
Bench grinders
Bench grinders do not typically come with a grinding wheel remover, but it is a useful option to have on hand. Finding a grinder with a grinding wheel wiping device will allow you to reshape and clean the grinding wheel as you work, giving you better control and greater accuracy to make your project run more smoothly.
Cylindrical grinding wheel
As the name suggests, this wheel is hollow and quite large. It is an effective material for making flat surfaces.
Cylindrical grinding wheels are best used with vertical and horizontal bench grinders. They also have a larger width of 12 inches.
Straight wheel
Straight wheels are the most important type of grinding wheels, so to speak. They are very useful for grinding surfaces. For this reason, straight wheels are often used for sharpening chisels and other cutting tools.
Conical grinding wheel
This type of grinding wheel is suitable for sharpening gear teeth. Conical grinding wheels are used for very delicate work. Since grinding wheels become thinner toward the edges, this use is only natural.
Some special grinding wheels are not as commonly used as the wheels just mentioned. Diamond wheels, saucer wheels, and cutting wheels are the rarer classes of grinding wheels.
Best Bench Grinder For Sharpening Chisels | Comparison Table 2024
[amalinkspro_table id=”5842″ aff-id=”undefined” new-window=”on” nofollow=”on” addtocart=”off” /]Best Bench Grinder For Sharpening Chisels | Reviews 2024
1. Metabo Best Slow Speed Bench Grinder For Sharpening
Product Overview:
- High no-load speed (3,570 RPM) for efficient grinding and cutting.
- Maintenance-free induction motor for long-lasting performance.
- Robust die-cast aluminum protective covers for added durability and safety.
- Easy disc changes with the protective cover bayonet lock.
- Comes complete with accessories including grinding wheels, spark protection glasses, and workpiece support.
- The corded electric power source may limit mobility.
- May not be suitable for heavy-duty industrial use.
- The 4.8 Amp motor is a single-phase alternating current, so it may not be compatible with all electrical systems.
2. JET JBG Bench Grinder For Woodworking
Product Overview:
The Jet JBG-8B 8-Inch Bench Grinder is a reliable and powerful tool designed for woodworking and metalwork projects. Equipped with a 1 horsepower motor and operating at 3,450 RPM, this bench grinder is ideal for heavy grinding tasks like sharpening tools, removing rust, and cleaning surfaces. Whether you're a professional or a DIY enthusiast, the Jet JBG-8B offers a versatile solution for various workshop needs.
Key Features
The Jet JBG-8B comes with fine (60-grit) and coarse (36-grit) vitrified grinding wheels, making it versatile enough to handle both delicate and heavy-duty grinding jobs. The motor is enclosed with pre-lubricated ball bearings, ensuring smooth operation and long machine life. Cast iron wheel guards and dust vents provide additional protection for the machine’s components, while rubber mounts prevent shifting during use.
Benefits
This bench grinder is a great choice for anyone needing durability and precision in their work. The inclusion of both fine and coarse grinding wheels makes it suitable for multiple tasks, from sharpening chisels to cleaning metal surfaces. The machine’s powerful motor ensures consistent performance, and its durable build with cast iron components makes it a long-term investment for any workshop.
Tool Rest and Adjustability
The Jet JBG-8B is equipped with adjustable tool rests, allowing users to maintain better control and achieve the perfect angle while sharpening or grinding. The tool rests are stable and can be easily adjusted, making the grinder suitable for fine-tuning tasks or more intensive grinding work.
Durability and Build Quality
Built to last, the Jet JBG-8B features cast iron wheel guards that provide solid protection for both the wheels and the motor. The enclosed motor is safeguarded from dust and debris by dedicated dust vents, which help keep the internal components functioning smoothly. The grinder also meets strict CSA safety standards, giving users added peace of mind.
Ease of Setup and Use
Setting up the Jet JBG-8B is simple, and it can be securely bolted down to a workbench for added stability. Its rubber mounts prevent movement during use, ensuring a smooth grinding experience. The heavy-duty guarded toggle switch adds an extra layer of convenience and safety, making the grinder easy to operate even in fast-paced work environments.
Maintenance and Longevity
Thanks to its totally-enclosed pre-lubricated ball bearings, the Jet JBG-8B requires minimal maintenance while delivering consistent performance over time. The grinder’s sturdy construction and high-quality materials contribute to its longevity, allowing users to focus on their projects without worrying about frequent repairs or replacements.
Motor Power and Speed
The 1 horsepower motor delivers an impressive 3,450 RPM, providing the necessary power for heavy-duty tasks such as removing rust, cleaning metal surfaces, and sharpening tools. The motor is reliable and strong enough to handle extended use, making it a go-to tool for demanding projects.
Sharpening Performance and Precision
The Jet JBG-8B excels in sharpening woodworking tools like chisels and plane irons, thanks to its fine (60-grit) wheel that delivers precision sharpening. The coarse (36-grit) wheel allows for more aggressive grinding, perfect for removing tough material from metal surfaces. This versatility makes it ideal for both intricate and heavy-duty tasks.
- Comes with fine (60-grit) and coarse (36-grit) vitrified grinding wheels for maximum versatility.
- Durable construction with cast iron wheel guards and dust vents to protect the motor and grinding wheels.
- Long machine life with totally-enclosed pre-lubricated ball bearings.
- Rubber mounts prevent movement and ensure stability during use.
- Follows strict safety guidelines and electrical requirements to meet CSA safety standards.
- A corded electric power source may limit mobility.
- May not be suitable for heavy-duty industrial use.
- The 115V 1PH motor may not be compatible with all electrical systems.
3. Dewalt Best Grinder For Sharpening Lathe Tools
Product Overview:
The DEWALT DW758 8-inch Bench Grinder is a high-powered, durable tool designed for sharpening lathe tools and handling industrial-grade grinding tasks. With a 3/4 horsepower induction motor operating at 3,600 RPM, this grinder offers exceptional performance for fast material removal and precise sharpening. Built to last, the DEWALT DW758 is a reliable option for woodworkers, metalworkers, and anyone who needs to maintain sharp, functional tools in their workshop.
Key Features
The DEWALT DW758 is loaded with features that make it ideal for sharpening lathe tools and other demanding tasks. The grinder's powerful 3/4 HP motor ensures high-speed grinding, while its robust cast iron base and motor housing provide stability and durability. The precision-machined aluminum tool rests enable users to position their work accurately, delivering fine, controlled results. In addition, the rear exhaust ports on the wheel guards contribute to smoother operation by reducing vibration and noise.
Benefits
One of the primary benefits of the DEWALT DW758 is its ability to handle heavy-duty grinding tasks while maintaining precision. The 12-1/2 inch distance between the wheels accommodates larger and longer grinding applications, making it versatile enough to tackle a wide range of sharpening and grinding tasks. Its high motor speed, coupled with rugged construction, ensures it can endure the rigors of industrial environments, making it a great investment for both professionals and hobbyists.
Tool Rest and Adjustability
The DEWALT DW758 comes with precision-machined aluminum tool rests, which are essential for maintaining accuracy during sharpening. These tool rests allow users to easily adjust the positioning of their lathe tools, ensuring they achieve the perfect sharpening angle every time. This adjustability makes it especially effective for sharpening delicate tools like lathe chisels, where precision is crucial.
Durability and Build Quality
Built with a rugged cast iron base and motor housing, the DEWALT DW758 is designed for durability. This heavy-duty construction ensures the grinder remains stable during operation, even when working on tough materials. The cast iron components also protect the internal mechanics, extending the grinder's overall lifespan and reducing the need for maintenance.
Ease of Setup and Use
Setting up the DEWALT DW758 is straightforward, making it accessible for both seasoned professionals and beginners. Its simple design allows for quick installation and secure attachment to your workbench, ensuring the grinder remains steady during use. The rear exhaust ports in the wheel guards help keep the machine running smoothly by minimizing noise and vibration, further enhancing ease of use.
Maintenance and Longevity
The DEWALT DW758 is built for long-term use. Its totally-enclosed induction motor and pre-lubricated ball bearings ensure that the grinder operates smoothly and requires minimal maintenance. The robust construction, coupled with reliable components, means this grinder will serve you well for years without frequent repairs or replacements.
Motor Power and Speed
With a powerful 3/4 HP motor running at 3,600 RPM, the DEWALT DW758 delivers high-speed grinding performance ideal for sharpening lathe tools, removing rust, and heavy material removal. The motor's consistent power output ensures smooth and efficient operation, even during long grinding sessions.
Sharpening Performance and Precision
The DEWALT DW758 excels in sharpening lathe tools, offering precise and controlled grinding. The fine-tuned motor and well-balanced wheels allow users to sharpen tools to exact specifications without overheating or damaging the edges. Its powerful grinding performance ensures that even the toughest materials are ground down with ease, making it the perfect tool for maintaining sharp, efficient lathe chisels and other cutting instruments.
- Powerful motor: The DW758 8-inch bench grinder has a powerful 3/4 HP 3,600 RPM induction motor, which makes it ideal for heavy-duty grinding applications.
- Durable construction: The bench grinder features a rugged cast iron base and motor housing, ensuring its longevity and durability.
- High-speed material removal: The 3/4 horsepower induction motor of the bench grinder provides fast and efficient material removal.
- Precision tool rests: The bench grinder is equipped with precision-machined aluminum tool rests that allow for the accurate positioning of workpieces.
- Improved airflow: The rear exhaust ports in the wheel guards of the bench grinder ensure smoother operation and improved airflow.
- Corded electric: The bench grinder requires a power source and is not suitable for cordless use.
- Large size: The bench grinder is relatively large in size, so it may take up a significant amount of space in your workshop.
- Noisy operation: Some users have reported that the bench grinder is relatively noisy during operation, which may be a concern for those working in quiet environments.
4. Rikon Power Tools Best Bench Grinder With Wire Wheel
Product Overview:
The RIKON Power Tools 80-808 8" 1 HP Low Speed Bench Grinder is designed to deliver precision and control for various grinding tasks. Operating at a low speed of 1,725 RPM, this bench grinder is ideal for sharpening, shaping, and deburring tools without the risk of overheating. With its durable construction and versatile features, the RIKON 80-808 stands out as a top choice for both professional and hobbyist workshops.
Key Features
The RIKON 80-808 boasts a powerful 1 horsepower motor, operating at a controlled 1,725 RPM, perfect for delicate grinding tasks that require precision and careful handling. The grinder features a cast iron base equipped with rubber feet, which helps reduce vibration and ensures stable, smooth operation. Metal wheel guards add an extra layer of protection, and rear dust ports allow for easy attachment to dust collectors, keeping your workspace clean and safe.
Benefits
The low-speed operation of the RIKON 80-808 ensures that tools don’t overheat during sharpening, making it ideal for woodworking tools, chisels, and other heat-sensitive equipment. This controlled speed also allows for smoother, more accurate grinding. The inclusion of adjustable tool rests offers better control, and the LED work light provides clear visibility, even in low-light environments.
Tool Rest and Adjustability
The grinder comes with adjustable cast metal tool rests, providing solid support for your tools while grinding. This feature is essential for achieving the desired angle and precision, especially when sharpening blades or lathe tools. The flat, extra-large tool rests increase stability, giving you more control over delicate operations, which is particularly beneficial when working with smaller tools.
Durability and Build Quality
The RIKON 80-808 is built for long-term use, with a sturdy cast iron base that minimizes vibration and movement. The metal wheel guards offer robust protection for both the operator and the machine. This durable build ensures the grinder remains stable and secure during operation, even under heavy use in industrial environments.
Ease of Setup and Use
This bench grinder is easy to set up and get running. The large rubber feet on the cast iron base help absorb vibration, making for a smoother and more comfortable grinding experience. The LED work light is a convenient addition, allowing you to focus on precision tasks even in poorly lit areas. The 2.5x magnifying eye shields further enhance visibility, ensuring you can see your work clearly and safely.
Maintenance and Longevity
With its cast iron construction and high-quality components, the RIKON 80-808 is built to last. The metal wheel guards and rear dust ports protect the motor and grinding wheels from debris, helping to prolong the machine's lifespan. Regular dust collection and cleaning will ensure the grinder continues to operate efficiently for years to come.
Motor Power and Speed
The 1 horsepower motor provides ample power for a range of tasks, from heavy grinding to fine sharpening. Operating at a low speed of 1,725 RPM, the motor ensures that your tools are sharpened without overheating, preserving their edge and integrity. This makes the RIKON 80-808 ideal for delicate sharpening tasks, such as maintaining woodworking and lathe tools.
Sharpening Performance and Precision
Thanks to its low-speed motor and precision tool rests, the RIKON 80-808 excels in sharpening tasks, especially when working with heat-sensitive materials. The grinder’s versatility allows you to handle a variety of jobs with ease, from deburring to shaping and sharpening tools. The LED light and magnifying eye shields enhance your ability to make precise, detailed adjustments.
- Cast iron base with rubber feet reduces vibration and helps to stabilize the grinder.
- Metal wheel guards provide added protection while also featuring 31mm rear dust ports for connecting dust collectors.
- Adjustable cast metal tool rests offer solid tool support.
- Comes with a set of plain and a set of 2.5x magnifying eye shields for improved visibility.
- LED work light provides better illumination for workpieces.
- The 1 HP motor may not be powerful enough for some heavy-duty grinding applications.
- The lack of a drill bit sharpening groove may be a drawback for some users.
- The 54-pound weight of the grinder may make it difficult for some users to move or reposition it.
5. SKIL Industrial Bench Grinder
Product Overview:
The SKIL 3380-01 6-Inch Bench Grinder is a compact yet powerful tool designed for home workshops and garages. Featuring a 2.1 Amp motor with a speed of 3,450 RPM, this bench grinder is ideal for tackling various grinding, sharpening, and polishing tasks. Whether you’re a DIY enthusiast or a hobbyist, the SKIL bench grinder offers the precision and control you need to maintain your tools and complete a variety of projects.
Key Features
The SKIL 3380-01 comes equipped with medium and coarse grinding wheels, allowing for flexibility when working with different materials. It also features built-in LED work lights above both wheels, providing clear visibility and precision while grinding. The adjustable tool rests enable users to achieve accurate grinding, while the sturdy cast-iron base with rubber feet ensures stability and reduces vibration during use.
Benefits
One of the key benefits of the SKIL 3380-01 is its versatility. With both medium and coarse wheels included, users can work on a wide range of projects, from sharpening chisels to smoothing out welded joints. The built-in LED lights add convenience, ensuring you have a well-lit workspace, which is particularly helpful for precision tasks. The grinder’s small size also makes it easy to fit into most home workshops.
Tool Rest and Adjustability
The adjustable tool rests on the SKIL 3380-01 allow you to maintain control and precision during grinding. These rests can be easily positioned for different tasks, ensuring that you can work at the correct angle for optimal results. This feature is especially important when sharpening tools, as it ensures consistency and accuracy.
Durability and Build Quality
The SKIL 3380-01 is built to last, with a solid cast-iron base that provides stability and minimizes vibration. Rubber feet further enhance its stability, ensuring that the grinder stays in place during operation. The grinder’s durable construction makes it suitable for regular use in a home workshop, where it will reliably handle everyday tasks.
Ease of Setup and Use
Setting up the SKIL 3380-01 is straightforward, and its intuitive design makes it easy to use. The built-in LED work lights above both wheels offer enhanced visibility, allowing for more precise work. The compact size of the grinder also makes it easy to store, making it a great fit for smaller workspaces without sacrificing functionality.
Maintenance and Longevity
The durable cast-iron base and reliable motor ensure that the SKIL 3380-01 will provide long-lasting service with minimal maintenance. Regular cleaning of the grinding wheels and checking for wear will keep the grinder in good working condition for years. Its simple, sturdy design ensures that it can withstand frequent use without significant wear and tear.
Motor Power and Speed
With a 2.1 Amp motor delivering a speed of 3,450 RPM, the SKIL 3380-01 offers enough power for most home and light industrial grinding tasks. The medium and coarse wheels work efficiently to grind and sharpen a variety of materials, ensuring fast and smooth results.
- Comes with medium and coarse wheels, making it suitable for a variety of materials.
- Equipped with a 2.1 Amp motor that runs at 3,450 RPM for efficient grinding.
- Built-in LED work lights over both wheels for improved visibility.
- Adjustable tool rests for accurate grinding.
- The solid cast-iron base with rubber feet provides stability and can be easily mounted to a benchtop.
- Not suitable for heavy-duty grinding applications as it has a smaller motor.
- LED lights might not be bright enough for some users.
- Some users might find the tool rests to be a bit flimsy.
6. WEN BG4276 Amp Single Best Bench Grinder Under 100$
Product Overview:
The WEN 4276 2.1-Amp 6-Inch Bench Grinder is a powerful yet affordable tool, making it one of the best bench grinders under $100. With its combination of compact size, performance, and convenience, it’s perfect for home workshops and DIY enthusiasts who need a reliable grinder for various tasks.
Key Features
This bench grinder is equipped with a 2.1-amp motor that spins the 6-inch grinding wheels at speeds up to 3,450 RPM. It includes two grinding wheels: a 60-grit wheel for precision grinding and a 36-grit wheel for faster material removal. The lightweight design and flexible work light ensure that you can work comfortably and with precision.
Benefits
One of the major benefits of the WEN 4276 is its versatility. Whether you need to sharpen old tools, clean up rough edges, or polish metal, this grinder handles it all. The addition of the flexible work light allows for better visibility, which enhances accuracy when working on detailed projects. The grinder's lightweight design makes it easy to move around the workshop, giving you flexibility in where you use it.
Tool Rest and Adjustability
The WEN 4276 comes with pivoting tool rests, which offer solid support and allow you to maintain control over your workpiece. The adjustable eye guards provide extra safety while ensuring that you have a clear view of the grinding process. This combination of features makes the tool easy to adjust for various grinding tasks.
Durability and Build Quality
Despite its affordable price, the WEN 4276 doesn’t skimp on durability. The machine is solidly built and designed to last. The grinding wheels are enclosed in protective metal guards, and the motor runs smoothly without excessive vibration. This level of quality ensures that the tool will hold up under frequent use.
Ease of Setup and Use
Setting up the WEN 4276 is quick and straightforward. The simple design, combined with the adjustable tool rests and eye guards, makes it easy to start grinding without needing a lot of complicated adjustments. The lightweight construction also adds to its convenience, allowing you to move and position it wherever you need.
Maintenance and Longevity
The WEN 4276 is designed for long-term use with minimal maintenance. Regular cleaning of the grinding wheels and occasional inspection of the motor will keep the machine running smoothly. Backed by a two-year warranty, it offers peace of mind that you’re making a solid investment.
Motor Power and Speed
The 2.1-amp motor provides a good balance between power and speed, delivering a consistent 3,450 RPM for effective grinding. It’s powerful enough for most home and light industrial applications, yet quiet and smooth in operation. The dual wheel setup allows for fast material removal on one side and finer, precision grinding on the other.
Sharpening Performance and Precision
The combination of the 60-grit and 36-grit wheels makes the WEN 4276 ideal for sharpening tools, polishing surfaces, and smoothing rough edges. With the flexible work light illuminating the workspace, you can easily see what you’re doing, allowing for better control and precision during sharpening tasks.
- Quiet 2.1 amp motor with a steady speed of 3450 RPM.
- Comes with two 6-inch by 3/4-inch wheels – one 60-grit for general-purpose grinding and one 36-grit for faster material removal.
- Easy wheel guard removal for convenient wheel changes.
- Adjustable eye guards to prevent interference with your project.
- Flexible work light provides illumination for increased accuracy and precision.
- Light bulb not included.
- May not be suitable for heavy-duty grinding tasks.
- The lightweight design may make the grinder less stable during use.
7. Shop Fox W1840 Variable Bench Grinder
Product Overview:
The Shop Fox W1840 Variable-Speed Bench Grinder is a highly efficient and versatile tool that can handle a wide range of grinding tasks in any workshop. With its 3/4 horsepower variable-speed induction motor and dual 8-inch aluminum-oxide grinding wheels, this grinder is designed to deliver precision and power.
Key Features
The Shop Fox W1840 is equipped with a powerful 3/4 HP motor that operates between 2000 to 3400 RPM. This variable speed range allows you to adjust the motor's speed according to your specific grinding requirements. The dual 8-inch aluminum-oxide grinding wheels provide a perfect combination of coarse and fine grinding, allowing for versatility in handling different materials and tasks.
Adjustability and Precision
One of the standout features of the Shop Fox W1840 is its dual adjustable aluminum work rests. These can be customized to match the angle and height of your workpiece, ensuring stability and accuracy. Whether you’re sharpening, smoothing, or deburring, the adjustable rests make the task easier by holding your material in place while allowing precise control over the grinding process.
LED Work Light and Safety Features
The bench grinder comes equipped with a directional LED work light, making it easier to see your workpiece clearly, especially when performing intricate tasks. Additionally, the grinder has large eye shields that protect you from debris while grinding, ensuring your safety during operation.
Durability and Versatility
The 5/8" bore on the grinding wheels allows for easy wheel replacement, which means you can swap out wheels quickly when needed. This grinder can handle both soft and hard materials, thanks to the combination of coarse and fine wheels, making it perfect for everything from sharpening tools to heavy-duty grinding.
Motor Power and Speed Control
The variable-speed motor offers flexibility in matching the speed of the grinder to the material and the specific grinding task. Slower speeds at 2000 RPM are ideal for more delicate tasks, while the maximum 3400 RPM provides the power necessary for tougher grinding jobs. The 3/4 HP motor ensures that the machine has enough strength to handle even heavy-duty applications.
Convenience and Ease of Use
The Shop Fox W1840 is designed with convenience in mind. The dual work rests provide ergonomic support and can be easily adjusted for better comfort during use. Its simple, user-friendly controls allow for quick speed adjustments, while the LED light provides better visibility, enabling more accurate and consistent results.
- 3/4 HP powerful motor provides a smooth and consistent performance.
- Dual 8″ aluminum-oxide grinding wheels for a variety of grinding applications.
- Dual adjustable aluminum work rests provide a stable platform for the workpiece.
- Directional LED work light provides good visibility for precision grinding.
- Large eye shields ensure the user’s safety during operation.
- The motor speed is fixed, so users cannot adjust it to match their specific needs.
- The grinding wheels have a 5/8″ bore, which might not be suitable for all workpieces.
- The product’s price is relatively high compared to other bench grinders on the market.
8. Sunex 8 inch Bench Grinder
Product Overview:
The Sunex 8-inch Bench Grinder is an excellent choice for both professional and home workshops, offering versatility and reliability for various grinding and sharpening tasks. With its robust build and high-performance features, this bench grinder is designed to meet the demands of demanding users.
Key Features
The Sunex 8-inch Bench Grinder is equipped with two grinding wheels: a coarse 36-grit wheel for heavy-duty applications and a medium 60-grit wheel for finer tasks. A built-in, bright, and flexible work light illuminates your workspace, enhancing visibility and precision. Each wheel is protected by a spark guard and features an adjustable eye shield to ensure safety during operation.
Benefits
This bench grinder is highly versatile, making it suitable for a range of tasks from sharpening tools to cleaning and deburring metal surfaces. The dual-wheel setup allows users to switch between coarse and medium grits based on their needs, while the work light ensures clear visibility. The safety features, including spark guards and eye shields, add an extra layer of protection, making it a dependable tool for various grinding projects.
Tool Rest and Adjustability
The Sunex 8-inch Bench Grinder includes adjustable tool rests that provide solid support for workpieces, enabling precise grinding. These rests can be customized to match the angle and height of the material being worked on, ensuring stability and accuracy throughout the grinding process.
Durability and Build Quality
Built to last, the Sunex Bench Grinder features a cast iron base and wheel guards that contribute to its durability and stability. The grinder’s construction includes pre-lubricated ball bearings that enhance its longevity and ensure smooth operation. The cast iron base and robust components make this grinder a reliable tool for both heavy-duty and everyday tasks.
Ease of Setup and Use
Setting up the Sunex 8-inch Bench Grinder is straightforward thanks to its mounting holes and rubber feet, which provide stability and reduce vibration. The grinder’s on/off switch is conveniently located for ease of use, and the 6-foot power cord offers flexibility in placement. These features combine to make the grinder user-friendly and easy to integrate into any workshop setup.
Maintenance and Longevity
Maintenance is minimal with the Sunex Bench Grinder due to its durable construction and pre-lubricated bearings. Regular checks and basic cleaning are all that’s needed to keep the grinder running smoothly. Its long-lasting components and solid build ensure that it remains a valuable tool in your workshop for years to come.
Motor Power and Speed
The grinder is powered by a 3/4 HP motor, operating at a no-load speed of 3450 RPM. This combination of power and speed makes it suitable for handling a wide range of grinding tasks efficiently. The motor provides consistent performance, making it ideal for both heavy and light-duty applications.
Sharpening Performance and Precision
The Sunex 8-inch Bench Grinder excels in sharpening and precision tasks. The coarse and medium grit wheels provide the flexibility to handle various materials and achieve different finishes. The adjustable tool rests and the bright work light contribute to accurate and precise grinding, ensuring that your tools and materials are sharpened to your exact specifications.
- Comes with two grinding wheels for different applications.
- Built-in flexible work light for better visibility.
- Protective spark guard and adjustable eye shield for safety.
- The cast iron base for durability and stability.
- Easy to mount with mounting holes and rubber feet.
- No mention of the warranty offered by the manufacturer.
- The power cord may be too short for some applications.
- The motor power may not be sufficient for heavy-duty grinding.
9. Delta Power Tools Variable
Product Overview:
The Delta Power Tools 23-197 8-Inch Variable Speed Bench Grinder is a robust and versatile addition to any workshop. Designed for a variety of grinding, sharpening, buffing, and polishing tasks, this bench grinder offers flexibility and precision, making it ideal for both professional tradespeople and enthusiastic DIYers.
Key Features
The Delta 23-197 features a variable speed control, allowing users to adjust speeds from 2,000 RPM to 3,400 RPM using the convenient upfront dial. It is powered by a powerful 5 Amp induction motor, ensuring consistent performance across a range of tasks. The grinder comes equipped with 36 and 60 grit wheels, offering options for both coarse and fine grinding.
Benefits
This bench grinder’s variable speed control provides exceptional versatility, enabling users to tailor the grinder’s performance to different materials and tasks. The inclusion of both coarse and medium grit wheels enhances its functionality, making it suitable for various grinding and sharpening needs. The built-in work light and water tray further add to its convenience and usability.
Tool Rest and Adjustability
The Delta 23-197 stands out with its advanced tool rest features. The left-hand tool rest includes a drill bit rest that is milled into the surface, ensuring precise angles for accurate drilling. The two-piece tool rests are independently adjustable, allowing users to easily compensate for wheel wear and achieve the desired grinding angle.
Durability and Build Quality
Constructed with a cast iron base, the Delta 23-197 is built for durability and stability. The sturdy base helps to reduce vibration during operation, enhancing the overall performance and lifespan of the grinder. The full-size safety shields and robust motor add to the grinder’s resilience and reliability.
Ease of Setup and Use
Setting up the Delta 23-197 is straightforward, thanks to its well-designed features and clear instructions. The variable speed dial is easy to use, providing precise control over the grinder’s operation. The flexible work light and adjustable tool rests contribute to a user-friendly experience, making it easy to achieve accurate results.
Maintenance and Longevity
Maintenance of the Delta 23-197 is minimal, with the cast iron construction and durable components ensuring a long service life. Regular checks and basic cleaning will help maintain its performance. The water tray is a thoughtful addition that helps keep the workpiece cool, reducing the need for frequent maintenance.
Motor Power and Speed
The 5 Amp induction motor provides ample power for a variety of grinding tasks. With variable speed settings ranging from 2,000 RPM to 3,400 RPM, users can adjust the grinder’s speed to suit different applications. This flexibility enhances the grinder’s performance across a range of materials.
Sharpening Performance and Precision
The Delta 23-197 excels in sharpening and grinding, thanks to its precise tool rest and variable speed control. The different grit wheels allow for both coarse and fine work, while the adjustable tool rests and drill bit rest ensure accurate angles and effective sharpening. The built-in work light and water tray contribute to a precise and efficient grinding process, making it a valuable tool for achieving professional-quality results.
- Adjustable speed control: The variable speed control feature offers convenience and versatility in your grinding operations.
- Powerful performance: The 5 Amp induction-type motor provides powerful performance for a range of grinding, sharpening, buffing, and polishing tasks.
- Accurate angles: The drill bit rest milled into the surface of the left-hand tool rest provides accurate angles on the tip.
- Independent tool rests: The two-piece tool rests are independently adjustable to compensate for wheel wear and to achieve different angles.
- Built-in safety features: The grinder features a cast iron base for durability, full-size safety shields, and a water tray to keep the workpiece cool while grinding.
- Corded: The grinder is corded and requires access to an electrical outlet to operate.
- Noisy: Some users may find the grinder to be noisy during operation.
- Heavy: The grinder is heavy and may be difficult to move around.
Best Bench Grinder For Sharpening Chisels | Ultimate Guide 2024
Versatility
A good bench grinder can be used for a wide variety of projects. Most models are equipped with at least three tools for a variety of tasks, including polishing, honing, rust removal, and grinding.
Cooling Tray
Bench grinders generate a lot of heat, so a cooling tray makes working a little more comfortable, especially if you are going to be using the grinder for long periods of time. The cooling tray is located at the bottom of the tool and is useful if you use the grinder a lot or if the machine is in danger of overheating.
Wheel guards
Wheel guards hold the wheels in place while the machine is running and prevent chipping or damage to the wheels.
It is important to find a grinder that makes it easy to remove, install, and rotate the wheel guard.
External Dimensions
Bench grinders come in a variety of sizes. The choice of grinder size depends largely on the size of the workspace.
For owners of smaller workspaces, bench grinders with 1/2 or 1/4 output are more suitable. A 1- to 1.5-inch cutting wheel is sufficient for this type of grinder.
If more advanced work is required, choose a bench grinder with a larger wheel up to 8 inches. This increases surface area and allows for faster grinding. Of course, this larger grinding wheel will accommodate a larger motor.
Power and Speed
The power of a bench grinder is reflected in the revolutions per minute (RPM) of the grinding wheel. It is all very simple. A bench grinder with high speed and power will get the job done faster.
Higher speeds are best when machining hard metals. When machining steel, higher speeds are often not as necessary as when machining wood. Generally, bench grinders have a speed of 3000 to 3600 rpm.
8-inch or 6-inch
In addition to the type of grinding wheel, the size of the wheel should also be considered. The choice of grinding wheel size depends on the intended use of the grinding wheel.
Typically, 6-inch grinding wheels are available and can be used up to 8 inches. This range can satisfy most jobs you will encounter.
For general household (DIY) use, a 6-inch grinding stone is sufficient. The most common power capacity for a grinding stone of this size is about 4 amps. Its power performance is suitable for home improvement work.
Therefore, the most common speed for 6-inch grinders is 3400 to 3600 rpm. They can be heavy. However, they are surprisingly quiet.
If you are considering an industrial application, consider an 8-inch grinder. They work well with wire brushes and polishing wheels; 8-inch grinders are slower, but do not require major changes.
Standard Variable Speed Bench Grinder
Last is the standard bench grinder with variable speed. This standard size grinder has an adjustable speed for use. This means that all types of grinding wheels can be used and all types of work can be done. Since it has variable speed, you don't have to worry about touch like you do with a standard bench grinder. By controlling the speed, you can control the cutting ability. Also keep in mind that you have to choose between 6" and 8" bench grinders.
Coolant and rollers
To tackle friction and overheating issues, you need to choose a coolant. One method is to soak the metal to be machined with coolant. This method is convenient and quick. Immersion trays allow you to work without waiting for the metal to cool. Another is a rolling pin. The rolling plate cools the stone as it is rotated. Cooling the stone does not cool the metal, which can deform the metal during processing. For this reason, an immersion pot is usually the best choice, but it does not protect the stone from heat. With a combination of options, everything can be protected at all times.
Controls
For jobs that require precision, bench grinders offer more control than other types of grinders.
Ease of use
Some tools are very complicated to use, but bench grinders are not. They are easy to use and do not require much maintenance.
Convenience
Bench grinders are less expensive than commercial grinders and are convenient to have in your workshop or home garage. Moreover, they do not cost much money at first.
Grinding Wheel Size
When purchasing a bench grinder, you need to determine whether you need a 6-inch or 8-inch grinding wheel. Generally, DIYers choose 6-inch grinding wheels because they are less powerful, but 8-inch grinders are slightly larger and are better suited for sharpening tools.
Eye Shield
Another component that serves a similar purpose to the housing is the lens hood. Typically made of clear plastic, this component is located above the opening where the material is machined with a grinding wheel. This is an additional precaution to prevent debris from going up and hitting your face or eyes. It is still a good idea to wear eye protection when working with a bench grinder. It is better to be overconfident and not have an accident than to be careless and have an accident.
Best Bench Grinder For Sharpening Chisels | Infographic
How To Use Bench Grinder For Sharpening Chisels | Video Explanation
Frequently Asked Questions
Do bench grinders require maintenance?
In general, bench grinders require maintenance just like any other power tool. However, a special type of maintenance is wheel dressing. This is important maintenance to reduce vibration and expose fresh grit to maximize the performance of the bench grinder. It is recommended that bench grinders be checked regularly to ensure that they are stored safely and that dust and debris are removed after each use.
How often should grinding wheels be replaced?
The regular replacement of grinding wheels depends on how often the bench grinder is used and the type of work to be ground. Tools with moving parts require regular maintenance, and grinding wheels should be replaced when they become worn. To determine when to replace the grinding wheel, it is important to visually check its current condition.
What are some safety issues when using a bench grinder?
The main safety concern is to be careful of flying objects and sparks. For this reason, many models are equipped with spark guards and eye safety shields.
How are bench grinders installed?
Finally, if you are thinking of buying or owning a bench grinder, you need to know how to install it. First, you need to measure the distance between the bolts and the table. The distance must be sufficient so that the grinding wheel does not hit the table surface. To do this, you will probably need to attach the grinder to a piece of wood and then attach that piece of wood to the table. After taking the measurements, you will need to drill a large hole in the wood so that you can slide it over the workbench and insert the bolt.
Once you have aligned the holes you drilled with the grinder with the holes you made for the assembly, simply insert the bolts through and the washers on the other side. Then just tighten everything down. You don't want to over-tighten and break the wood, but you do want to make sure it is secure. If you need to move it around in your store or garage, we recommend mounting it on a bench grinder stand.
What is the best grinding wheel for chisel sharpening?
When it comes to sharpening chisels, the type of grinding wheel you use can make a significant difference in the results you achieve. There are a few different types of grinding wheels that are commonly used for sharpening chisels, and each has its own benefits and drawbacks.
Here are a few options to consider:
- Aluminum Oxide Grinding Wheel: This type of grinding wheel is a popular choice for sharpening chisels. It's a versatile wheel that works well with a wide range of materials, including high-speed steel, carbon steel, and most types of tool steel. It's also durable and long-lasting, so it's a good choice if you plan to do a lot of sharpening.
- Silicon Carbide Grinding Wheel: Another popular option for chisel sharpening is the silicon carbide grinding wheel. This type of wheel is typically used for sharpening harder materials, such as carbide or ceramic. It's also a good choice if you're working with heat-sensitive materials, as it generates less heat than some other types of wheels.
- Diamond Grinding Wheel: For ultimate precision and durability, you might consider a diamond grinding wheel. These wheels are made with industrial-grade diamonds, which makes them incredibly hard and long-lasting. They're typically used for sharpening carbide or other extremely hard materials.
When choosing a grinding wheel for chisel sharpening, it's important to consider the type of material you'll be working with, as well as the level of precision and durability you require. Aluminum oxide is a versatile choice that works well with most materials, while silicon carbide is a good option if you're working with harder or heat-sensitive materials. Diamond wheels are the most durable and precise, but they can be quite expensive.
Can you use a bench grinder to sharpen the chisels?
Yes, a bench grinder can be used to sharpen chisels, but it's important to use the proper technique and take certain safety precautions to ensure the best results and avoid accidents.
Here are some tips for sharpening chisels on a bench grinder:
- Choose the right grinding wheel: As mentioned earlier, it's important to choose the right type of grinding wheel for chisel sharpening. A good quality aluminum oxide or silicon carbide grinding wheel with a medium grit (around 60-80 grit) should work well.
- Prepare the chisel: Before sharpening, make sure the chisel is clean and free from any debris or rust. If the chisel is badly damaged or has chips, you may need to use a coarse grit stone or diamond file to remove the damage before using the bench grinder.
- Adjust the grinder: Set up the bench grinder so that the grinding wheel is turning towards you and adjust the tool rest so that it's about 1/8 inch away from the wheel.
- Grind the bevel: Hold the chisel securely against the tool rest and start grinding the bevel, keeping the blade perpendicular to the grinding wheel. Move the chisel back and forth across the wheel, applying light pressure and making sure to keep the blade cool by dipping it in water frequently.
- Hone the edge: Once the bevel is ground, it's important to hone the edge with a fine grit stone or honing compound. This will remove any burrs and create a razor-sharp edge.
Remember to wear eye protection and gloves when sharpening chisels on a bench grinder, and take your time to ensure a safe and effective sharpening process.
What speed grinder for sharpening chisels?
When it comes to sharpening chisels on a bench grinder, the speed of the grinder is an important factor to consider. Generally, a low-speed grinder (around 1750 RPM) is recommended for sharpening chisels.
Here's why:
- Reduced heat buildup: A low-speed grinder generates less heat than a high-speed grinder, which can help prevent the chisel from becoming overheated and losing its temper. Overheating the chisel can also cause the edge to become brittle and prone to chipping.
- Better control: A low-speed grinder allows for better control when sharpening, as it's less likely to cause the chisel to jump or bounce around on the grinding wheel. This can help you achieve a more precise and consistent sharpening angle.
- Reduced risk of accidents: A low-speed grinder is generally safer to use than a high-speed grinder, as it's less likely to cause the chisel to fly off the wheel or break apart. This can help prevent accidents and injuries.
If you only have access to a high-speed grinder, you can still use it to sharpen chisels, but you'll need to be extra careful and take steps to prevent overheating and ensure safety. One option is to use a cooling lubricant, such as water or oil, to keep the chisel cool and prevent overheating. You may also need to use lighter pressure and take breaks to avoid overheating the chisel or the grinding wheel.
Can you use a bench grinder to sharpen tools?
Yes, a bench grinder can be used to sharpen many types of tools, including chisels, knives, drill bits, and other cutting tools. However, it's important to choose the right type of grinding wheel and use the proper technique to achieve the best results and avoid accidents.
Here are some tips for sharpening tools on a bench grinder:
- Choose the right grinding wheel: Different types of grinding wheels are designed for different materials and applications. As mentioned earlier, aluminum oxide and silicon carbide grinding wheels are commonly used for tool sharpening. Diamond wheels can also be used for extremely hard materials.
- Prepare the tool: Before sharpening, make sure the tool is clean and free from any debris or rust. If the tool is badly damaged or has chips, you may need to use a coarse grit stone or diamond file to remove the damage before using the bench grinder.
- Adjust the grinder: Set up the bench grinder so that the grinding wheel is turning towards you and adjust the tool rest so that it's about 1/8 inch away from the wheel.
- Grind the bevel: Hold the tool securely against the tool rest and start grinding the bevel, keeping the blade perpendicular to the grinding wheel. Move the tool back and forth across the wheel, applying light pressure and making sure to keep the blade cool by dipping it in water frequently.
- Hone the edge: Once the bevel is ground, it's important to hone the edge with a fine grit stone or honing compound. This will remove any burrs and create a razor-sharp edge.
Remember to wear eye protection and gloves when sharpening tools on a bench grinder, and take your time to ensure a safe and effective sharpening process. It's also a good idea to practice on less expensive or less critical tools until you feel comfortable and confident with the process.
What is the difference between a Type 1 and Type 27 Grinding Wheel?
Type 1 and Type 27 grinding wheels are two common types of grinding wheels that are used for different applications. Here are the main differences between the two:
- Shape: Type 1 grinding wheels have a flat, straight design with a depressed center, while Type 27 grinding wheels have a raised hub and a curved shape that allows for grinding at an angle.
- Grinding surface: Type 1 wheels are best suited for surface grinding and sharpening, while Type 27 wheels are designed for grinding and cutting at an angle.
- Material removal rate: Type 27 wheels typically remove material faster than Type 1 wheels due to their larger surface area and curved shape.
- Accessibility: Type 1 wheels can be used in tighter spaces and hard-to-reach areas because of their flat design, while Type 27 wheels are more accessible in open areas and wider spaces due to their curved shape.
- Safety: Type 27 wheels are designed to provide more safety by allowing the operator to use them at a shallower angle, reducing the risk of kickback or wheel breakage.
When choosing between Type 1 and Type 27 grinding wheels, consider the specific task at hand and the material being ground. If you need to grind or sharpen a flat surface, a Type 1 wheel may be more suitable. If you need to grind at an angle or remove material quickly, a Type 27 wheel may be a better choice. It's always important to use the correct type of wheel for the specific task to ensure safety and achieve the best results.
What tool do you use to sharpen a chisel?
The tool you use to sharpen a chisel will depend on the method you prefer. Here are a few common tools used for sharpening chisels:
- Bench grinder: A bench grinder is a powerful tool that can quickly and efficiently sharpen a chisel. It uses a grinding wheel to remove material from the chisel's edge and create a sharp edge.
- Sharpening stones: Sharpening stones are a traditional tool for sharpening chisels and other cutting tools. They come in different grits and can be used with oil, water, or dry to sharpen the chisel's edge.
- Honing guides: A honing guide is a tool that holds the chisel at a fixed angle while sharpening a stone. It helps ensure a consistent angle and can be especially helpful for beginners.
- Leather straps: Leather straps are used as a final step after sharpening a stone to polish and refine the chisel's edge. They can be used with honing compounds to achieve a razor-sharp edge.
Ultimately, the best tool to use for sharpening a chisel is the one you feel most comfortable and confident using. Each tool has its own advantages and disadvantages, and the right one for you will depend on your skill level, personal preference, and the time and effort you're willing to invest in the sharpening process.
What tools should never be used as a chisel?
There are many tools that should never be used as a chisel because they are not designed for that purpose and can be dangerous or cause damage. Here are some tools that should never be used as a chisel:
- Screwdrivers: Screwdrivers are not designed to withstand the forces applied to a chisel during use and can easily break or bend, causing injury or damage.
- Knives: While knives are designed for cutting, they are not designed for the kind of force and precision required for woodworking and can be dangerous to use as a chisel.
- Punches: Punches are designed for making holes in metal and are not intended for woodworking. They can easily slip or break when used as a chisel.
- Pry bars: Pry bars are designed for leverage and are not intended for woodworking or chiseling. They can be dangerous to use as a chisel and can cause damage to the workpiece.
- Other makeshift tools: It's never a good idea to use makeshift tools such as a chisel, such as nails, bolts, or other objects. These tools are not designed for the purpose of chiseling and can cause serious injury or damage.
Remember to always use the proper tool for the job to ensure safety and achieve the best results. Chisels are designed for woodworking and have a specific shape and strength to withstand the forces required for the task. Using other tools as a chisel can cause damage to the tool, and the workpiece, or result in injury to the user.
Is it OK to sharpen the axe with a grinder?
Yes, it is generally okay to sharpen an axe with a grinder. A grinder can be an efficient and effective way to remove material and create a sharp edge on an axe. However, there are some important things to keep in mind to ensure safety and achieve the best results:
- Wear safety gear: When using a grinder, always wear eye protection, ear protection, and a dust mask to protect yourself from flying sparks, debris, and dust.
- Choose the right wheel: Use a grinding wheel specifically designed for sharpening axes, such as a coarse-grit aluminum oxide wheel. Do not use a fine-grit wheel or a wheel designed for other materials as they may overheat the axe and damage the temper.
- Use a jig: To maintain a consistent angle while grinding, consider using a jig that holds the axe at the proper angle. This can help ensure an even grind and a consistent edge.
- Keep the axe cool: Overheating the axe can cause the temper to be lost and the axe to become brittle. To avoid this, periodically dip the axe in water to keep it cool while grinding.
- Finish with a file or stone: After grinding, finish the edge with a file or sharpening stone to remove any burrs or rough spots and create a razor-sharp edge.
Overall, a grinder can be a useful tool for sharpening an axe, but it's important to use the proper safety gear, choose the right wheel, maintain a consistent angle, keep the axe cool, and finish with a file or stone for the best results.
What can I sharpen on a bench grinder?
A bench grinder can be used to sharpen a variety of tools, including:
- Chisels: A bench grinder is a popular tool for sharpening chisels. It can quickly and efficiently remove material to create a sharp edge.
- Axes: A bench grinder can be used to sharpen axes, but it's important to choose the right wheel and use a jig to maintain a consistent angle.
- Lawn mower blades: A bench grinder can be used to sharpen lawn mower blades to ensure a clean and even cut.
- Drill bits: A bench grinder can be used to sharpen dull drill bits to extend their life and improve their performance.
- Knives: While a bench grinder is not the best tool for sharpening knives, it can be used in a pinch to remove nicks and dull spots.
- Scrapers: A bench grinder can be used to sharpen scrapers, which are used for removing paint, rust, and other materials from surfaces.
Overall, a bench grinder can be a versatile tool for sharpening many different types of tools. However, it's important to use the proper safety gear and choose the right wheel for the task at hand. It's also important to maintain a consistent angle while sharpening to ensure an even grind and a sharp edge.
How do you sharpen a chisel quickly?
Sharpening a chisel quickly can be done by following these steps:
- Choose the right abrasive wheel: Select a coarse-grit grinding wheel, such as a 36 or 60-grit wheel, which can quickly remove material and create a sharp edge.
- Set the angle: Use a honing guide to set the angle of the chisel blade. This ensures a consistent angle across the blade and makes the process quicker.
- Grind the bevel: Hold the chisel securely against the grinding wheel and move it back and forth across the wheel to grind the bevel. Keep the wheel moving at a consistent speed to avoid overheating the chisel and damaging the temper.
- Check for burrs: After grinding, check the edge for burrs or rough spots. Remove them with a honing stone or sandpaper.
- Hone the edge: Use a honing stone to hone the edge of the chisel. Start with a coarse stone and work your way up to a finer stone to achieve a sharp edge.
- Test the edge: Test the sharpness of the chisel by making a cut in a piece of wood. If the chisel is still dull, repeat the process.
While it's important to take your time when sharpening a chisel to ensure a quality edge, following these steps can help speed up the process. However, it's important to prioritize safety and use the proper safety gear when working with a grinder.
Conclusion
A bench grinder is a great tool to have, whether you are a professional or a DIYer. When you are ready to find a new bench grinder, remember to keep in mind the types of projects you typically do. It is important to choose a new Best Bench Grinder For Sharpening Chisels that is comfortable to use and has the power and safety features you are looking for in a power tool.