To improve the finish of the slot wall,a high-speed power grinding head is fixed on the main shaft of machine tool to grind the slot wall of the cylindrical cam,and the finish of the slot wall is as well as the import samples.

Set feeding trajectory and infeeding speed as multiple target functions and take horizontal distance and vertical distance between feeding roller and fast roller, rotational speed and diameter of feeding roller and inclined angle between the fast roller and slow roller as design parameters, Particle Swarm algorithms and MATLAB were used in the optimization design of roller mill.

Conventional diamond millstone for gem processing has shortcomings of diamond grains easily pulled off, unstable running and low grinding speed.

Through an experiment of grinding polycrystalline diamond (PCD) by diamond grinding wheel, the influences of grinding speed v s on PCD material removal rate Q and grinding consumption ratio G are researched.

The effects of the grinding speed on the surface quality of workpieces were analyzed with the equipments.

Influence of milling rate and process control agents on mechanically alloying of Ti-26% Cr;