injection bimetallic screw barrel for injection moulding machines
We have more than 15 years experiences to manufacture bimetallic barrel bimetallic screw for injection machines and extrusions.Our bimetallic barrel have very long service life,and they could service for PP PE ABS AS and any engineering plastics.
We have more than 15 years experiences to manufacture bimetallic barrel bimetallic screw for injection machines and extrusions.Our bimetallic barrel have very long service life,and they could service for PP PE ABS AS and any engineering plastics.
Technical specification:
| Hardness after Hardning&tempering: | HB280-320 |
| Nitrided Hardness: | HV850-1000 |
| Nitrided Case Depth: | 0.5-0.8mm |
| Nitrided Brittleness: | Less than Grade 1 |
| Surface Roughness: | Ra 0.4 um |
| Screw Straightness: | 0.015mm |
| Surface Chromium-plating's Hardness after Nitriding: | ≥900HV |
| Chromium-plating Depth: | ~0.20mm |
| Alloy Hardness: | HRC56-68 |
| Alloy Depth: | 0.8~2.0mm |
| Bimetallic Hardness: | HV950-1100 |
| Bimetallic Depth: | 1.5mm~4mm |
All the screws are special designed by us.
Tell us your request,we will design for you.
Special design for pvc:
