Equipment goods

Screw and barrel for rubber machine

barrel for rubber extruder

Pin Screw and Barrel Specification: Ø75mm~Ø200mm
Cold/Heat Feed Screw Specification: Ø65mm~Ø650mm

Screw structure and compression ratio can be designed according to different products and raw material.

Base Materials:

1)38CrMoAlA(SACM 645)

2)42CrMo(AISI 4140)

3)Cr12MoV(SKD11)

4)4Cr5MoSiV1(SKD61)

5)9Cr18MoV

6)40Cr

Bimetallic Alloy Materials:

1)Fe-based alloy

2)Ni-based alloy

3)Co-based alloy

4)Tungsten carbide

Processing Technology:

Heat treatment

High-frequency quenching

Nitriding treatment

Hard-chrome electroplating

Bimetallic alloy welding

Bimetallic alloy centrifugal casting

Technical Parameter:


Nitrided layer depth: 0.50-0.80mm

Nitrided hardness: 900-1100HV

Nitrided brittleness: Less than 2 level

Surface roughness: Ra 0.4

Linearity of screw: 0.015mm

Hard-chrome plating hardness after nitriding: ≥950HV

Chrome-plating layer depth: 0.025~0.10mm

Bimetallic layer depth: 2 mm

Bimetallic hardness: HRC50-65

We can manufacture all types of screws and barrels according to clients' requirement.

Production process:

Customer Order Product Design/Customer Drawing Production Flow Arrangement Material Procurement

Detecting Blanking Detecting Rough Machining Detecting Quenching and Tempering Detecting

Semi Finishing Machining Detecting Nitriding Treatment /Bimetallic Alloy Spraying Treatment Detecting

Finish Machining Detecting Packing and Shipping → After-sale Service

Location : , 510800 Jintang,
Contact : lucy qiu, 0086 574 87201117

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Screw and barrel for rubber machine

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