Internal Laps are made from a
special fine grain lapping cast iron. Cast iron is the ultimate lapping
material, it's fine porous structure accelerates the lapping process.
Each Internal Laps bore is precision machined then the outside diameter
is ground on a master arbor to .0001" straightness. The lap becomes
straight to under 5 millionths of an inch with use.
Coborns planetary lapping machines are designed to polish the top surface of PCD discs to a flat, mirror finish. They can also be used to polish CVD ...view details
This is moderate in automatic bulk production of early lapping. The upper plate and lower plate turn around in the opposite direction. Carrier ...view details
no abrasives required, can save costs. Less wearing on carriers, internal gears, and sun gear. use of fixed plates allows for high precision even ...view details
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