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Conical twin screw and barrel

Country/Region china
Company Zhoushan Howly Screw Co., Ltd
Categories Twin Screw Barrel
Telephone 0086-0580-8591221
ICP License Issued by the Chinese Ministry
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    Conical twin screw and barrel

    Location:Index--->Product Center >> Conical Twin Screw Barrel >> Conical twin screw and barrel

    Product Description

    Specification: 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

    The above are standard specifications, we can customize according to customers' requirements.
    The compression ratio of screws can be designed according to different products and ingredients.

    Technical Information

    Base Materials:
    1)38CrMoAlA(JIS SACM645)
    2)42CrMo(AISI 4140)
    3)4Cr5MoSi V1 (JIS SKD-61)

    Bimetallic alloy materials:
    1)Fe-based alloy
    2)Ni-based alloy/Deloro alloy
    3)Co-based alloy
    4)NiCo-based alloy
    5)Tungsten carbide/Wolfram carbide


    Heat treatment:
    High-frequency quenching
    Nitriding treatment
    Hard-chrome electroplating
    Bimetallic alloy welding
    Bimetallic alloy centrifugal casting

    Technical parameter:
    Nitrided layer depth: 0.5-0.8mm
    Nitrided hardness: 900-1000HV
    Nitrided brittleness: Less than grade 1
    Surface roughness: Ra0.4
    Linearity of screw: 0.015mm
    Hard-chrome plating hardness after nitriding: Higher than 950HV
    Chrome-plating layer depth: 0.025-0.085mm
    Bimetallic layer depth: 3mm

    Production time: 30 days
    Warranty and service: 1 year

    Our products can ensure high performance and low energy consumption of extruder and Injection molding machine. More over, we can supply professional screw and barrel to your order! Sincerely looking forward to establishing new business ship with you in the near future

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