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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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