• Conical twin screw

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    Conical twin screw

    Conical twin screw

    • Specifications:
       
      24/52, 35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120,58/124, 60/125, 65/120, 65/132, 68/143, 70/135,70/140, 75/150, 80/143, 80/156, 92/188, 105/213
       
      The above specifications are standard and can be customized according to customer requirements.
       
      Screw compression ratio can be designed according to different products and different formulations.
       
       
       
      Substrate material:
       
      1)38CrMoAlA(JIS SACM645)
       
      2)42CrMo(AISI 4140)
       
      3)4Cr5MoSi V1 (JIS SKD-61)
       
       
       
       
       
      Treatment process:
       
      heat treatment
       
      Nitriding treatment
       
       
       
      Technical parameters:
       
      Nitriding depth: 0.50mm-0.80mm
       
      Nitriding hardness: 900-1000hv
       
      Nitriding brittleness: < = grade 1
       
      Surface roughness: RA 0.4
       
      Screw straightness: 0.015mm
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