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        Home >>PRODUCTS >>SPARE PARTS
        Screw tips

        Base material for Screw barrel 

        1) 38CrMoAlA (JIS SACM645) 

        2) Cr12MOV (JIS SKD-11) 

        3) 4Cr5MoSiV1 (JIS SKD-61)  

        4) 42CrMo (AISI 4140)

         


        Optimal Plasticity Solution of Screw barrel

         

        COWELL ZERRO:     (HRC 56-58, 8-12 months)

        38CrMoAlA + thermo refining+nitriding 96 hours+ Fine polishing

          

        COWELL JUPITER:  (HRC 58-62, 12-18 months)

        42CrMo/38CrMoALA + thermo refining+Hvof spraying+ Nitriding 96 hours+Fine polishing

         

        COWELL ULTRON:   (HRC 62-64, 24 months)

        SKD61+Queching+ Harden inside process+Nitriding 96 hours+Fine polishing



        AVAILABLE DIMENSION OF SCREW BARREL

         

         For SCREW                 Diameter: 15-300 mm 

                                Length: 300-6000 mm 

                                L/D ratio: 15-50

         For BARREL                Diameter. 60-600 mm                                                   Length: 300-6000 mm


        OUR SERVICE

        1. Measure dimension of screw and barrel

        2. Complete manufacturing drawing

        3. Making optimal solution based customers required

        4.Calculated the cost of goods

        5.Taking photos of finished products

        6 Booking ship and make shipping schedule.

        7.Send custom clearance documents.

        8.Arrange factory visiting schedule

        9.Assistant with customers to deal other matters



        Degree of Abrasiveness

        Low

        Moderate

        High

        Screws

        Nitrided

        Bimetallic spraying

        Tungsten coated

        Barrels

        Nitrided

        Bimetallic

        Bimetallic

         螺桿頭3.jpg

         
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