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        Home >>PRODUCTS >>SPARE PARTS
        Collar and ring

        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


        Degree of Abrasiveness

        Low

        Moderate

        High

        Screws

        Nitrided

        Bimetallic spraying

        Tungsten coated

        Barrels

        Nitrided

        Bimetallic

        Bimetallic

        screw tips.jpg

         
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         Next:Nozzle adapter
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