Can you use a grinder to sharpen knives?
Grinding Wheel Bench grinders provide another way to sharpen a knife. These tools feature a high-speed spinning wheel that can be used to trim wood, plastic, metal, and other materials. You may already have one in your workshop or garage, in which case you can get right to work maintaining the edge of your knife blade.
What angle should a knife be sharpened at?
17 to 20 degree angle
A 17 to 20 degree angle covers most kitchen knives, pocket knives, and outdoor knives. Some knives (typically Japanese manufacturers) will sharpen their knives to roughly 17 degrees. Most western knives are roughly 20 degrees. In fact, a 20 degrees angle is often considered the best sharing point for most knives.
What is a knife grinder?

Definition of knife grinder 1 : one that grinds knives: such as. a : an itinerant tradesman who sharpens knives or other edged tools. b : a device (as a grindstone or emery wheel) used for grinding or sharpening knives or other edged tools.
What is the correct angle for sharpening a knife?
How to sharpen a knife with a bench grinder?
We will show you how to sharpen a knife with a bench grinder. To sharpen a knife perfectly, spread some lubricating oil on the blade of the knife. The oil will help protect the blade while it is being sharpened. Turn on the grinding wheel. Hold the knife at a 45-degree angle to the grinding wheel.
How to sharpen a knife with a wheel?
Then, apply light downward pressure while pushing the edge forward to sharpen a knife with a straight blade.Turn the knife over, holding the blade flat against the wheel, brushing it across the surface to remove rough edges. The same process applies to knives with double-sided blades to keep the blade balanced.

What is the difference between a whetstone and a bench grinder?
Most gardeners use whetstones to sharpen them, which may not be useful if the knife is extremely dull. A whetstone only hones the blade keeping it sharp in between the actual sharpening. A bench grinder, on the other hand, sharpens removes a small amount of the knife material to produce the sharp edge.
What is a bench grinder used for?
A bench grinder, on the other hand, sharpens removes a small amount of the knife material to produce the sharp edge. It also comes in handy when sharpening large gardening, grafting or pruning knives, then a bench grinder should come in handy.