Centerless Grinding is a grinding style that is utilized by many of our customers. Over the years, our engineers and chemist have developed grinding wheels that have achieved superior performance compared to their previous wheel selection. In centerless grinding there are three basic types, all of which depend on the type of grind you need for the workpiece. The three types of centerless grinding are:
Through Feed: In through feed grinding the workpiece enters one side and exits the opposite side. The regulating wheel in through-feed grinding is moved away from the plane of the grinding wheel in such a way that puts a lateral force component, feeding the workpiece through between the two wheels. Through feed grinding can be an efficient centerless grinding technique, because it does not require a separate feed mechanism; however it can only be used with cylindrical workpieces.
Another technique that can be used with centerless grinding wheels is end-feed grinding. In end-feed, the workpiece is fed in on one side and comes to rest against an end stop. At this point, the grinding operation is performed, and then the workpiece is fed in the opposite direction to exit the machine. Tapered workpieces are the best for end-feed grinding.
The third technique that can be utilized, is in-feed centerless grinding. In-feed grinding works well with complex shapes. Before the grinding process can begin, the workpiece is manually loaded into the machine and the regulating wheel is moved into place.
Centerless wheels utilize centerless grinding machines. The grinding machines can be configured for through feed grinding and for infeed grinding. Centerless grinding involves two wheels to complete the process, a regulation wheel and a grinding wheel. The regulation wheel is rotating the workpiece, while the grinding wheel is doing the removal of stock.
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