How to grind Spherical Surface & Concave?

While Grinding spherical surface, there are workpiece rotating, hand tool to apply sand grinding; grinding wheel (applies to dissolving felt wheel abrasive grains) rotation, and the workpiece empty set in the hole by eccentric speed difference for follow-up and polishing, and grinding wheel and workpiece and for motor rotation and swing grinding and other processing methods. On opposite sides of the grinding inside diameter micrometer measuring rod carbide spherical, is the measuring rod rotating drill clamp of the bench drilling machine, the copper plate tool coat W5-W7 diamond powder grind hard grinding paste with the hand held up for and polishing. In lapping and hand tool besides upward force, around the globe along the spherical arc swing, sphere and tool with even and full contact to obtain high surface finishing.

Steel ball grinding can be divided into manual and motorized, but the grinding processes are basically the same. Usually the next tool on turning circle real depth of the v-shaped or circular groove, such as putting eight grooves and the steel ball size classification after prang coat white jade hope and chrome oxide mixed abrasives, above after a tool without grooves, then the grinding. The difference is on the manual grinding is tool for planar reciprocating rotary motion, and machine tool under the grind is to start rotating to implement grinding.

Grinding concave should choose processing tool according to workpiece shape. For example, when grinding groove surface base, the choice of the machining tool bar, able to adapt to points 1-3 by grinding groove bottom. Bottom surface and the groove surface grinding after fine grinding, attention should first be paid to studying good base, next reoccupy bar tool grinding groove surface.