Durable Precision silent chain, toothed drive chain batch processing
- Category: >>>
- Supplier: Hangzhou Qianjiang Chain Industries Co. Ltd.
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Product Overview
Description
Durable Precision silent chain, toothed drive chain batch processing
The products are made of high quality alloy steel production. The plates are punched and squeezed bores by precision technology. The pin, bush, roller are machined by high-efficiency automatic equipment and automatic grinding equipment, then through heat treatment of carburization, carbon and nitrogen protection mesh belt furnace, surface blasting process etc. Assembled precision by Internal hole position, spin riveted by pressure to ensure the performance of the entire chain.
1)Raw materials↓ | |
surface checking | metallic structure inspection |
sizes checking | hardness inspection |
2)Manufacture process of chain parts ↓ | |
Punching hole | polishing |
blanking | shot blasting |
curving | deburrs |
cold forging | bending |
grooving | calibrate |
chamfering | shave hole |
grinding plane and hole | rolling folding |
grinding cylindrical surface | sizing |
centreless grinding | oiling |
3)Heat treatment ↓ | |
quenching | bluing |
low temperature temper | yellowing |
duplex quenching | phosphatizing |
through hardening | washing |
oil quenching | cooling |
liquid carburizing | hardness inspection |
annealing | metallic structure inspection |
4)Assembling↓ | |
automatic choice materials | running in |
measuring chain length | pre-stretch |
measuring chain torque | high speed running in test |
tensile strength test | endurance testing of chain |
5)Packing↓ | |
end inspection | high temperature greasing |
clean oiling | cooling |
Anti-rust oiling/greasing | put in polybag,box,carton etc. |
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