As mentioned earlier, the 6-inch edge grinder works fine for most people looking for versatility and multipurpose use. However, if you are dealing with heavy-duty work, using a buffing wheel or a wire brush, an 8-inch bench grinder will serve you well.
Full Answer
What's the difference between a 6 inch grinder and an 8 inch?
In addition to the outright speed of a grinder another reason an 8" needs to be used more carefully than a 6" because for any given speed the surface of an 8" wheel is actually moving much faster — so at the same RPM an 8" grinder is more likely to overheat a tool than a smaller one, everything else being equal.
Is an 8 inch bench grinder good for work?
However, if you are dealing with heavy-duty work, using a buffing wheel or a wire brush, an 8-inch bench grinder will serve you well. One of the downsides when using an 8-inch bench grinder is that they are a lot slower but need fewer wheel changes.
What are the different types of bench grinders?
There are two types of bench grinders – 6-Inch (Regular Speed) and 8-Inch (Slow Speed). The 6-inch bench grinders move at standard speeds. These bench grinders have sufficient power to help you execute the most common home improvement task.
Do you need to mount a bench grinder to a workbench?
If you have space on your workbench, you’ll most likely want to mount your new bench grinder to keep it stable while you’re sharpening or smoothing tools and parts. Bench grinders are pretty heavy on their own, but bolting them to a workbench, using the provided holes in their base, is optimal.
Is a 6 or 8 bench grinder better?
Should I get a 6-inch or 8-inch bench grinder? If you're a DIYer and a newbie to bench grinders, consider a 6-inch model, which should provide you with ample power to grind, sharpen, and clean a wide array of blades and tools. The larger, 8-inch grinders are designed for use by pros.
What is the most common bench grinder size?
There are two common sizes of bench grinders: 6-inch and 8-inch. That number refers to the size of the grinding wheel. You'll also find smaller bench grinders—3 inches is fairly common—that are used primarily for crafts or other detailed work. For the average DIYer, a 6-inch bench grinder is the right choice.
What is a 6 bench grinder used for?
A bench grinder is an appliance that is used to sharpen other tools. It is a must-have for your home workshop. Bench grinder has wheels that you can use for grinding, sharpening tools, or shaping some objects. Depending on the types and shape of the wheel, the use of a bench grinder can vary.
How powerful should a bench grinder be?
Typically wattage range from 250 to over 370 watts - the higher the wattage, the more powerful the grinder will be. When looking to purchase a bench grinder, look for: The tool rests - they need to be firmly mounted and adjustable.
How do I choose bench grinder?
Consider a Low-Speed Grinder for Sharpening Unless they're variable speed, most bench grinders run at about 3,450 rpm. If you're careful and keep the wheel dressed (more on that in another tip), these high-speed grinders work fine. But for sharpening, a low-speed grinder running at 1,750 rpm is a better choice.
How much does a 6in bench grinder cost?
Compare with similar itemsThis item DEWALT Bench Grinder, 6-Inch (DW756)Genesis GBG800L 8" Bench Grinder with Dual, Flexible Lights and Eye Shield , GreenAdd to CartAdd to CartCustomer Rating4.7 out of 5 stars (1127)4.3 out of 5 stars (198)Price$10005$108.68$108.68Sold ByAmazon.comHearthshire4 more rows
What is the disadvantage of bench grinder?
It cannot remove the high amount of material, it only removes a little amount. For removing the required amount from work it consumes more time. You should work carefully, because imperfect contact may lead to damages.
Can you sharpen knives with a bench grinder?
0:000:29How to sharpen a knife with a bench grinder - YouTubeYouTubeStart of suggested clipEnd of suggested clipTurn on the grinding wheel hold the 9th at a 45-degree angle to the grinding wheel. Move the knifeMoreTurn on the grinding wheel hold the 9th at a 45-degree angle to the grinding wheel. Move the knife across the wheel from the base of the knife to the tip repeat.
Can I grind wood on a bench grinder?
A bench grinder is an abrasive power tool made to grind down every work piece it encounters to the specifications of its owner. Depending on the wheel that's being used by the machine, it can clean, polish, buff, sharpen, or shape just about any metal or wooden object.
How many amps is a good bench grinder?
For low-intensity jobs, make sure to use a grinder with motor power of ½ or ¾ HP. For heavy-duty tasks, pick a grinder with a motor power of 1HP. The motor power as per the wheel size is as follows – For 6-inch grinders should come with motors around 2.1 amps of power, which is approximately ¼ HP.
Why do bench grinders have 2 wheels?
Bench grinders come with two wheels that can be used for multiple purposes. The first wheel is usually designed for fine sharpening and precision work, while the other wheel is used for rough shaping. These can be easily swapped out for different wheel configurations according to the user's needs.
Can you sharpen chisels on a bench grinder?
You can sharpen your chisels on a bench grinder. Your bench grinder must have enough power and the correct type of stone. More importantly, you must use techniques that maintain the correct bevel and avoid overheating the steel in your tool, which can soften the cutting edge.
Replies
I'm interested in a grinder too. Wouldn't the speed of an 8" grinder be faster than a 6"? Doesn't that sorta defeat the purpose of a slow speed machine? Also, the 8" would leave a smaller hollow. Not sure if that's better or worse.
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What Bench Grinder Size Should You Get?
Given the two sizes which are 6-inch and 8-inch, your size choice needs to reflect the purpose of using the bench grinder. The wheel size largely determines the capability of the bench grinder.
What are the Different Bench Grinder Sizes Available?
Once you have identified what you want to use these machines for, you can easily pick one for your workshop. These bench grinders are fairly simple machines which make the task of selecting one for your workshop and simple process.
What are the Advantages of a Bench Grinder?
While other tools can help you to sharpen metals or other materials, a bench grinder is the best tool that you can use to get the task done efficiently. Bench grinders can also be used for honing and shaping metals.
What is the purpose of the eyeshield on a bench grinder?
The eyeshield functions to help keep your wheel from fragmenting. The wheel guard on both your wheels keeps them from splintering due to improper mounting. The tool rest on your bench grinder provides a smooth surface for all the materials that you want to use.
Why use different wheels on a bench grinder?
Using different types of wheels will enable your bench grinder to explore a larger range of tasks. Once you have decided on the size that you want to go for, it is now simply a matter of buying the highest-powered machine that you can afford while keeping an eye out for the features that each bench grinder offers.
What size wheel does a bench grinder come in?
A bench grinder is an affordable tool, and it typically comes in wheel sizes such as 6 inches and 8 inches. As an Amazon Associate I earn from qualifying purchases.
What to consider when choosing a bench grinder?
There are also many other features to consider when choosing the right bench grinder that don't really have anything to do with the size you choose. Tool Rests. Lower quality bench grinders come equipped with tool rests that are difficult to adjust.
How much does a 6 inch grinder cost?
6-inch grinder: These smaller bench grinders are often slightly less expensive, ranging from around $65 to $175, depending on the brand and any optional accessories they may feature. They come with a choice of low or high speeds, and they’re suitable for a variety of grinding purposes, such as sharpening knives, blades, and tools. They can weigh anywhere from 10 pounds to 25 pounds or more and can be bolted to a workbench or used as a portable tool.
What is a bench grinder?
Bench grinders typically feature two grinding wheels, often with different grits. On many models, the grinding wheels can be swapped out for metal brush wheels— a boon when cleaning metal connectors and spark plugs—or for buffing wheels, designed for putting a fine shine on metal or plastic surfaces. Besides being well made and easy ...
How many grits does a Wen grinder have?
With the 6-inch Wen bench grinder, you can sharpen a lot of blades without spending a lot of money. The Wen grinder comes with both 36-grit and 60-grit grind ing wheels that spin at 3,450 RPM. It features see-through eye shields, and each wheel comes with adjustable tool rests to help steady the tool you’re grinding or sharpening. You can also mount the grinder on a countertop in your workshop.
What is the best grinding wheel for a lawn mower?
Silicon carbide: This is one of the most common grinding wheels found on bench grinders and is suitable for a range of grinding tasks, including sharpening cast iron and lawn mower blades. However, consider this type of grinding wheel tends to heat up very quickly, which can ruin the temper in high-quality woodworking tools like chisels or hand planes.
What is a variable speed bench grinder?
If you dabble in both woodworking and car or auto-body repair, consider a variable speed bench grinder that will allow you to operate the tool on its highest speed when you need to clean car nuts and bolts, while still enabling you to reduce the speed for sharpening chisels and other woodworking hand tools.
What are eye guards on a grinder?
Eye guards: These are standard on most bench grinders in the form of clear, acrylic shields that extend directly over the grinding wheel as you work, keeping metal and steel shards from making contact with your eyes . Over time, these guards can become dirty or scratched, but when that happens, they can be replaced.
What is the fastest spinning speed for a bench grinder?
A bench grinder designed for the automotive industry typically features the fastest spinning speeds—up to 3,450 RPM.
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