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              1. Pro Classification  

                 

                  Address: West City Industrial Park Dinghai,Zhoushan City,Zhejiang,China

                  Tel: +0086-580-2363797

                  Fax: +0086-580-2364972

                  Mobile: +86-13906804927

                  E-mail: sales@zstaisu.com

                >>Product

                 

                zstaisu.com

                Product Name: Parallel twin-screw / barrel

                Classification: Parallel twin screw & barrel

                 
                Description

                PARALLEL TWIN SCREW AND BARREL

                 

                parallel twin screw and barrel for plastic extruder machine

                 

                Specifications

                 

                1. Diameter of screw: D20-D300mm

                2. L/D ratio of screw: 10 - 50

                3. Injection amount of screw barrel: 45g - 200g

                4.Tempering hardness:HB280-320

                5. Nitride hardness:HV850-1000

                6.Nitride Layer thickness::0.45-0.7mm

                7.Nitride brittleness: less than 2 grade

                8.SUrface roughness:Ra 0.4

                9.Screw straightness:0.0015mm

                10.surface chromium-plating's hardness after nitriding : more than 900HV

                11.Chromium-plating thickness:0.025-0.1mm

                12.Bimetallic hardness:HRC50-65

                Specification

                40/2

                50/2

                65/2

                80/2

                90/2

                105/2

                125/2

                130/2

                150/2

                180/2

                200/2

                 

                 

                 

                 

                 

                Max L/D 36:1

                 

                 

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