A bench grinder is a simple machine used for shaping and sharpening metal equipment. It has two wheels of different grits and can be used for home or shop use. The machine is not designed for precision grinding, and there are various wheel sizes and materials available. Features and accessories vary by brand.
A grinder is a tool that is typically used to shape and sharpen metal or metal shop equipment. A bench grinder, often called a pedestal grinder, is a rather simple type of this machine that is attached to a bench, which can be raised to the appropriate working height. It usually has two moles, each typically a different size. There is also usually a tool holder in front of each wheel on a bench grinder, which can typically be adjusted and set up to create more consistent bevels.
There are various models of bench grinders. Some are made for large stores and others are designed to accommodate small businesses only. While a bench grinder is generally a shop tool, there are some designed for home use. These can be used to sharpen non-shop items such as scissors, garden shears and lawnmower blades.
Two-wheelers tend to have different grain sizes so you can do a variety of jobs with one machine. Some bench grinders, for example, are sold with a 36 and a 60 grit wheel. The 36 grit wheel is broken and is usually used for stock removal. The 60-grit wheel, which is finer, is fine for touching up tools, although not good for smoothing them.
These machines are not normally designed for precision grinding. The result is usually coarse, even when a grindstone is considered for fine grinding. Depending on the job, further grinding with a different type of grinding machine may be required.
There are typically a variety of wheel sizes available. They can also be made from different materials. The white wheels sometimes found on bench grinders are typically made from aluminum oxide. This material is renewed as it is used. It has a reduced chance of overheating and clogs less frequently. The downside, however, is that cast aluminum wheels need to be replaced more often.
Bench grinder features vary from one brand to another. Some models are smoother and quieter than others. Some will have adjustable motors so the pace of the car can be reduced to avoid overheating. Others have water pans so that the item being ground can be cooled while the user is working.
The accessories of a bench grinder also vary from one machine to another. Some have angled v-groove tool holders to allow for bit grinding. Lamps are another accessory that users may find useful. There are models with only one lamp above the car. There are also models with a lamp above each tool holder.
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