stainless metal sprocket 2M 19 tooth from China for mask products
Items are produced of higher high quality alloy metal creation. The plates are punched and squeezed bores by precision engineering. The pin, bush, roller are machined by large-efficiency automated equipment and automatic grinding tools, then through warmth treatment method of carburization, carbon and nitrogen security mesh belt furnace, surface blasting process and so on. Assembled precision by Inner gap position, spin riveted by strain to make sure the overall performance of the total chain.
Requirements
|
Method Treatment method |
|||
|
one |
Shot Peening |
8 |
Quenching |
|
two |
Bluing |
9 |
Tempering |
|
three |
Phosphate |
10 |
Oiling |
|
4 |
Nickel-plated |
11 |
Greasing |
|
5 |
Zincing |
twelve |
Particular color |
|
six |
Heat Treatment |
thirteen |
Stain proofing |
|
7 |
Carburizing |
14 |
Pre-stretched and anti-fatigue |
