Rubber Barrel Rubber Screw Barrel Extrusion Screw Barrel

Product Description

Rubber barrel rubber screw barrel extrusion screw barrel, Barrel for Rubber Machinery,extruder screw barrel
Specification:
Diameter of pin screw and barrel: Φ 75mm-Φ 200mm
Diameter of cold feed or hot feed screw and barrel: Φ 30mm-Φ 300 mm
L/D ratio: 12-18
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
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
Technics:
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: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
Experienced manufacture, we will be the best choice.

Main Base materials	1.38CrMoAlA (Nitriding Steel)
	2. SKD-61 (Special Tool Steel)
	3. 42CrMo (Ultrahigh Strength Steel)
	4. DC53 ( Cold Work Die Steel)
	5. W6Mo5Cr4V2 ( High-Speed Tool Steel )
	6. HPT
Main Alloy Materials	1. Ni-based alloy/Deloro alloy
	2. Tungsten carbide/Wolfram carbide
	3. NiCo-based alloy
	4. Fe-based alloy
	5. Co-based alloy
Processing Technics	1. Heat treatment
	2. Quenching
	3. Nitriding treatment
	4. Bimetallic alloy welding
	5. Bimetallic alloy centrifugal casting
	6. Hard-chrome electroplating
Technical parameters	Nitriding layer depth	0.5-0.8mm
	Nitrided hardness	HRC56-58
	Nitrided brittleness	Less than grade 1
	Surface roughness	Ra 0.4
	Linearity of screw	0.015mm
	Hard-chrome plating hardness	≥HRC57
	Chrome-plating layer depth	0.03-0.09mm
	Bimetallic layer depth	3 mm
	Bimetallic layer hardness	HRC58-62
Above are main technical information, a suitable screw and barrel will be made according to your requirement.

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