|
|
anti spark box end combination wrench spanner , cu be
1.The material : Be-bronze alloy or Al-bronze alloy
2.The processing procedure:
Al-bronze (HRC≥25°b>75-85kgf/mm² )
Be-bronze(HRC≥35°b>105-120kgf/mm²)
1) To prepare the raw material, blanking
2) Smelting
3) Pouring
4) Cut the water gap
5) Stored in the semi finished products warehouse
6) Punching
7) Through the drawbench or slotting machine
8) PE plain end and chamfering
9) Drill hole
10) Perfect the product and marking
11)If Be-bronze, need heat treatment
12) Polishing
13) Surface treatment
14)Stored in the finished products warehouse
3.Surface treatment
1) Electrostatic spraying
2) Natural color
3) Passivation
附件: 您所在的用户组无法下载或查看附件 |
|
发表于 2017-7-22 09:42:00