The ring grooves are hard chrome plated by electrochemical depositing of metal. This is done by rotating the piston grooves continuously between specially made anodes in a bath containing chromic acid. Precision instruments are used to check the thickness of the chrome plating during all stages of the plating and … Visa mer Each piston that enters our workshop is: 1. stripped and grit blasted 2. measured; the measurements are recorded for comparison with the original drawings. A dimension sketch is made 3. pressure tested using hydraulic … Visa mer During the complete premachining of the piston, all cracked and burnt areas are machined away. Lifting holes are drilled out. We try to keep as much as possible landing material between the grooves Visa mer Every piston receives heat treatment prior to and following the welding process. It is preheated to a temperature of 200 C Before it is built up by welding. During the entire welding process the correct temperature is … Visa mer The grooves, crown and diameter are welded semi-automatically using the submerged arc process. 1. If the piston crowns are badly burnt … Visa mer WebbThe CNC controlled vertical turning machines are able to process piston crowns and cylinder covers. Cylinder covers Cylinder covers of the latest design like MC and RT are …
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