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sharpening-chisels-with-angle-grinder Now use a series of sweeps across the blade to sharpen it. Related Articles. You can get away with just a bench grinder when you want to sharpen an ax or some other gardening tools. For noticeable dents or the need to hone a steeper angle on a blade, using a bench grinder should sharpening chisels with angle grinder your first step with a cup of cold water nearby to dip the chisel in periodically to stop the metal sharpening chisels with angle grinder overheating and burning. Since this is only going to take less than a minute, you don't need all the normal safety clothing used when working with a grinder such as hearing protection or a dust mask.

The only thing you need to do is take care and avoid overheating the edge of the tool, which can cause the steel to lose its temper or hardness this is where the expression comes from.

You can use a vise, rest it on a block on the ground, on a stool or whatever. I'm using a log in the video. Make sure you're using a grinding disk, not a cutting disk! Since this is only going to take less than a minute, you don't need all the normal safety clothing used when working with a grinder such as hearing protection or a dust mask. Eye protection is always essential though, because of the danger of disk fragments, sparks or splinters of metal hitting you in the eyes.

Make sure you don't have any loose clothing which can get caught in the disk. See this hub for safety guidelines when using an angle grinder:. Using an Angle Grinder Safely. Switch on the grinder, if it has adjustable speed, use a slow speed setting. Now use a series of sweeps across the blade to sharpen it. The angle between the plane of the disk and the plane of the blade should be about 30 degrees.

Keep the grinder moving, use light pressure and don't allow the disk to rest at any one point as this will overheat the steel and cause it to lose its temper or hardness this is where the expression came from. If tempering colors appear on the edge, typically blue, yellow and orange caused by oxidation of surface layers , you're applying too much pressure. Rest the spade on a log or block, or hold it in a vise. Place your foot on the spade to steady it.

Angle the grinder at about 30 degrees to the plane of the blade. Yes it can. However personally I find an angle grinder more convenient. Also disks for angle grinders are much cheaper to replace when they wear than grinding wheels for bench grinders. This is a good general purpose grinder, adequate for cutting and grinding most stuff around the home this is the latest version of the grinder I use in the photos. You can also use it with a wire brush for de-rusting and removing paint.

Higher powered versions are available up to watts from this advertiser for quicker cutting through heavier material. A hoe will also benefit from a sharpening, allowing you to slice through the roots of weeds. You can also remove any nicks or dents from the blade of an axe by grinding.

Use the same technique as when sharpening a spade, but sharpen both sides of the edge. You can grind a lawn mower blade to remove dents caused by stones before using a sharpening stone to make it razor sharp. Don't remove too much material because it will unbalance the blade. Most other home and garden tools such as knives, scissors, hedge shears and chisels which require a finer edge should be sharpened with a sharpening stone.

Diamond sharpeners are also available. These are flat plastic and metal plates coated with powdered diamonds. They are quite good but the coating does eventually wear away. Axes can also be sharpened with a grinder. Grind both sides of the blade at about 30 degrees - Finish off with a sharpening stone. Just sharpen the side facing you. If you're working in the garden, it's a good idea to wear safety shoes or boots. We went through some guidelines to sharpen your chisel and your other tools with a bench grinder.

There are a lot of ways to do the job. It depends a lot on your experience and the tools you decide to use. To get it right, always remember to use a light touch go back and forth slowly, to avoid grinding too much in one passage and check frequently for overheating I gave you two ways to do it. The best way to learn the process is by experimenting : get some old tools, some scrap steel, and try getting a sharp edge on them. By doing this, you will avoid ruining your good tools.

The most important thing while doing this kind of job is to always put your safety first. Always wear safety glasses when using a bench grinder, since the grinding process produces a lot of chips of red-hot metal that can cause damage to your eyes. Menu Home. Gray wheel : this is the most common type. These are general-purpose wheels that can grind most steels. A grit wheel is more than enough.

White wheel : This kind of wheel is made by nearly pure aluminum oxide therefore the white color. You need one of these if you want to get a razor-sharp chisel. They are suited for heat-sensitive steel, which is a common choice in chisels. Here are the steps to follow to get the job done: If your wheel is new, you can skip this step.

But if your wheel has been used quite some time, you should consider cleaning and dressing your wheel with a dressing tool. There are a lot of different ways to do this. The most common way is by using a dressing stick. Move the stick slowly to remove less metal and get a smoother surface on the wheel. This way, you will also get a finer surface on your chisel. Now you need to sharpen your chisel. After setting the angle, you can start sharpening until you get the bevel right. During this step, you need to check the chisel frequently for overheating.

You want to avoid overheating your tool. As a result, your chisel will get weaker. What can I do to Avoid Overheating? To avoid overheating, you can do two things: Check the tool near the cutting edge frequently with your fingertips. Dip the tip of the chisel frequently in it to keep it cool. If your chisel is dull, you want to get the bevel in shape first. You can follow the guidelines I gave you in the paragraph above. After that, you will need some sandpaper and honing stone.

For the next step, you need some sandpaper sheets. Adhesive back sandpaper or common sandpaper glued down to a flat surface for example, a piece of plywood will do the trick for you. For example, grit sandpaper sheets. First thing, you need to work the back of the chisel. You want to make it flat so that when you work on the front, you will get a sharp edge. Start with the coarse sandpaper, move the chisel back and forth until all the mill marks are removed, and then move onto the finer ones till you get a flat back.

After that, we need to work on the front of the tool. To get the angle right, you need a honing guide. You can get one at your local store for a few bucks.

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