Screw And Barrel For Injection Molding Machine

Applicationt: 

BMW

Production Description:

Mould clamping force: 100KN-35000KN
 Shot weight:30-30000G
 Screw diameter: Ø20mm-Ø220mm

   Material:                                  
   High quality alloy steel                                      
   138CrMoAlA(JIS SACM645)          
   2) 42CrMo(AISI 4140)
   3)Cr12MoV(JIS SKD-11)
                                             
   Technics:
   Heat treatment
   Nitriding treatment
   Hard-chrome electroplating
   Bimetallic alloy welding

   Technical parameter:
   Nitrided layer depth:0.5-0.8mm
   Nitrided hardness:900-1000HV
   Nitrided brittleness: Less than grade 1
   Surface roughness: Ra0.4
   Linearity of screw: 0.015mm
   Hard-chrome plating hardness after nitriding::950HV
   Chrome-plating layer depth:0.025-0.085mm
   Bimetallic layer depth:3-5mm