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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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