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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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