As plated wheels cannot be trued it is essential to mount them carefully and accurately. The wheel will be manufactured accurately, it must be clocked onto the spindle to obtain running truth. Ensure that machine spindles and bearings are in good condition, and are accurate.
Electro plated wheels like other diamond wheels operate efficiently at speeds of 4,500 - 6,000 feet per minute, when grinding hard metals, ceramics and most plastics. For internal grinding operations, speeds with depend upon equipment available and in many instances satisfactory results will be obtained at speeds, of 10,000 r.p.m. and lower. For optimum results, spindles should run at 50,000 r.p.m. or higher, dependent, upon the diameter of the grinder.
Plated products are in many instances ideal for cutting off, edging, profiling, drilling glass and ceramics. Speeds are similar to those used for hard metals, finish is dependent on the size of the abrasive.
Because of the soft nature of these materials which tend to load the surface of diamond grinding wheels it is usual to plate with coarse grits, normally in the 36 - 100 range. This will allow the greatest relief for swarf clearance. It is advisable to use coolant where-ever possible.
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