Soft material series

Conventional material 38CrMoAlA SKD61 Cr12MoV SACM645 Ni based alloy GHII3

Nitriding hardness HV900-1000

Nitriding depth 0.5-0.8mm

Quenching hardness HRC55 ° -62 °

Nitriding brittleness: ≤ Level 2

Surface roughness: Ra0.4

Screw straightness: 0.015mm

Hard chrome plating on the surface after nitriding: HV ≥ 950HV

Chrome plating thickness: 0.05-0.10mm

Alloy depth: 0.8-2.0mm

Film, woven bags, foam and other soft materials series. The screw barrel structure includes side screw feeding, side granule bin feeding, etc. Suitable for conventional PP, PE, TPU, PC, PS, PET and other film and sheet series. Commonly used specifications are Φ 90- Φ 280, with a length to diameter ratio of 20-36.