products

Piston Ring
Timing Kit
Seal ring
Crankshaft
Cylinder Head
Cylinder Liner

Piston Ring

Production processes

step 0.Raw material → step 1 Dispensing → step 2 Sand mulling → step 3 molding → step 4 Melting → step5 Pouring → step 6 Clear up → step 7 Annealing → step 8 Coarse grinding surface → step 9Heat treatment → step 10 Grinding surface →  step 11 Refined grinding surface→step 12 Remove oil on low temp →step 13 Inspection → step 14 Machining innercircle,excircle,Mill openings → step 15 Mill socket → step 16 Machining openings → step 17 Refined machining ex-circle  →  step 18 Final product machining openings  → step 19 Honing ex-circle → step 20 Final product grinding surface → step 21 phosphate → step 22 Type write → step 23 Final product inspection → step 24 Coating&packing → step 25 temperay storage → step 26 wharehouse


Work shop
 


Inspection machine