亚洲国产精品一区二区第一页,国产a精品,亚洲一级a看片资源网,日韩在线资源,777成影片免费观看,日韩欧美亚洲天堂,黄色国产在线

NEXT
PREV
 
Product

Specifications:Φ20mm-Φ220mm
Clamping force:100KN-35000KN
Shot weight:30g-30000g
Materials and Technology:
1.38CrMoALA nitriding treatment
Nitriding depth:0.5-0.8mm,nitriding hardness:HV≥920
2.42CrMo Plating:induction hardening+plating/double metal plating PTA+Chrome hardness:≥HV800,thickness 0.03-0.05mm,roughness Ra0.2um
3.SKD61 quenching,vacuum quenching overall hardening treatment
Hardness index:HRC>55-58 straightness 0.015mm/m,roughness Ra0.4um
4.9Cr18Mov vacuum hardening,CNC circular grinding
Hardness index:HRC>50-55,straightness 0.015mm/m,roughness Ra0.4um
5.hard chromium plating Specifications:Chrome plating thickness:0.05-0.10mm,chrome layer hardness:HV≥960

All rights:Zhoushan City Weida Machinery Co.,Ltd. Add:No.2 Road Dinghai District Jintang Town,Jinshan Industrial District,Zhoushan City 浙ICP備13024562號 Technical support:93BAIDU