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