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      Product Center

      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 are standard specifications, can be customized according to customer requirements.

      The screw compression ratio can be designed according to different products and different formulations.

       

      Base 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

      Straightness of screw: 0.015mm

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