ST-3 grinding and lapping machines

Designed
for processing of wedges of gate valves DN 50 - 500 mm. of steel and cast iron during their manufacture and repair.
Construction
- bed;
- cast lapping disc of high quality cast iron;
- frequency-controlled electric drive with soft start;
- soft start and speed control device (control panel);
- timer allowing to set the processing time;
- lapping agent feeding device;
Advantages
- simultaneous machining of a batch of small-sized parts;
- automatic supply of lapping agent;
- easy replenishment or replacement of the lapping agent;
- high productivity;
- achievable flatness up to 0.6 µm, roughness up to 0.08 µm (10...12 class);
- availability of cassettes providing uniform wear of the lapper;
Completion
- replaceable cassettes;
- set of inserts;
- individual light;
- set of weights;
Additional Accessories
- set of interference glasses;
- device for determination of roughness