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Screw Type | Gradient type, mutation type, wave type, double screen type, cone type, split type, separation type, exhaust type, pin type, variable type, mixed type, double head, three head, multi head type, granulation type wait. The barrel screw compression ratio can be designed according to different products and different formulations. |
High quality alloy steel | ① 38CrMoALA (JIS SACM645) ② 42CMo (JIS SCM440) ③ 9Cr18MoV ④ CW6Mo5Cr4V2 |
Heat treatment | Nitriding treatment Electroplated hard chrome layer high frequency quenching Spray corrosion-resistant and wear-resistant bimetallic layer vacuum quenching |
Item | Type | Material | Characteristics | Applicable plastic range |
1 | A | Super hard powder high speed steel | High strength, good wear resistance, good toughness | Suitable for engineering plastics containing 30% to 40% glass fiber, using plastics such as: LCP, PA6T, PA9T, PEI, PEEK, PPS, magnetic powder, ceramics, Teflon, iron powder and other additives. |
2 | B | Powder tool steel | High toughness, good wear resistance, good thermal safety | Suitable for engineering plastics and super-industrial plastics containing less than 30% glass fiber and fire retardant, such as: LCP, PA6T, PA9T and other plastics |
3 | C | Full hard tool steel | Full hard tool steel | Suitable for engineering plastics, such as: PA66, LCP, PC, PA6, PMMA and plastics containing less than 15% glass fiber. |
4 | PC | Stainless steel series | High strength, good wear resistance, good corrosion resistance | PC, PMMA, optical grade plastic products (lenses, backlight panels, light guide panels, etc.) |
Material | Classification | Processing range |
Fully hardened spray screw | For injection machines / Horizontal | Minimum outer diameter Ø 12mm |
PTA crown spray welding | For injection machine / vertical | Maximum outer diameter Ø250mm |
General Nitriding Spiral Welding | For Injection Machinery / For Extrusion Machinery | Effective length Ø8000mm |
For bakelite machinery | ||
For rubber machinery |