Specification of screw and barrel for injection machine
Power of locknut:100KN -35000KN
capacity of injection:30g-30000g
diameter of screw:Φ 20-Φ 220
Screw can be mated with differentheads of screw
Cylinders can be mated with different sprinkler heads
Materials
38CrMoAIA/SACM645/SKD11/SKD61/42CrMo
Duplex stainless Steels
GH3#
Power Metallurgy Raw Material
Cold/Thermal Spray Hard Metal Process
Advanced Nitriding Process
Corrosion&Abrasion Resistance Bimetal Spraying Process
Technical Index
Product |
Screw&Barrel |
Tempering hardness |
HB240-280 |
Hardness of nitrogen treatment |
HV950-1000 |
Depth of nitrogen layer |
0.55-0.70 |
Nitride brittleness |
Less than grade 1 |
Surface roughness |
Ra 0.4 |
Screw straightness |
0.015mm |
Hardness after nitride |
≥900HV |
Chromium-plating depth |
0.05-0.10mm |
Alloy hardness |
HRC55-62 |
Alloy Depth |
1.5-2.0mm |
Production Process as below:
01 Blanking-02 Quenching and Tempering-03 RoughTurning-04 Detecting-05 Semi Finishing Turning-06 Aging Treatment-07 Rough Grinding
08 Crossed Thread-09 Milling Cutter Roove-10 Turning Thread Groove-11 Tempering-12 Polishing Thread Groove-13 Fine Gringding-14 Milling Keyway-15 Fitter-16 Detecting-17 Nitriding or Bimetallic Treatment-18 Cut Off Process Allowance-19 Polishing Thread Groove-20 Detecting
Our Service
Warranty and service: 1years
Our Advantages
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly