> cutting grinding discs > Grinding, machining belong in finishing cutting grinding discs
Grinding, machining belong in finishing cutting grinding discs
2016-01-18 by bridge
Principles such as the use of high-speed rotating grinding wheels cutting the workpiece surface. External cylindrical surface grinding for machining various parts of the conical surface and the plane, as well as threads, gears and splines special, complex shaped surfaces.
Due to the high hardness abrasive, abrasive self-sharpening, grinding can be used to process a variety of materials including hardened steel, high strength steel, carbide, glass, ceramic and marble high hardness of the metal and non-metal materials. Grinding stainless steel cutting wheel wheel speed is the speed, generally 30 to 35 m / s, more than 45 m / s is called high speed grinding. Grinding is usually used for semi-finishing and finishing, precision can reach IT8 ~ 5 or higher, the surface roughness is generally Ra1.25 ~ 0.16 micron grinding, precision grinding of Ra0.16 ~ 0.04 micron, ultra-precision grinding cut to Ra0.04 ~ 0.01 microns, mirror grinding up Ra0.01 microns. Grinding specific power (or specific energy, ie energy per unit volume of the workpiece material removal consumed) than cutting large, metal removal rate cut smaller than normal, so the workpiece often go through other cutting methods removed before grinding most allowance, leaving only 0.1 to 1 mm or smaller grinding allowance. With the creep feed grinding, high-speed grinding grinding efficiency of development, the parts directly from the rough grinding forming. Grinding is also useful as a shortage of processing, such as grinding in addition to casting Riser, forgings and ingots flash skin and so on.



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