Parallel Twin Screw Barrel Double Screw Barrel for PVC Pelletizing

Name: Parallel Twin Screw Barrel Double Screw Barrel for PVC Pelletizing
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: Tradewheel_2435322
Availability: InStock

FOB Price 1 - 50 USD / pieces

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Model NO.	Twin Parallel Screw Barrel	Screw	Twin-Screw
Engagement System	Full Intermeshing	Screw Channel Structure	Deep Screw
Automation	Automatic	Computerized	Computerized
Transport Package	Wooden Case	Specification	ISO9001: 2008
Trademark	Zhongyang	Origin	Zhoushan
HS Code	84779000	Production Capacity	1500sets/Month

Product Details

Product Description

Parallel Twin Screw Barrel for PVC Pelletizer pelletizing screw barrel, PVC extrusion screw barrel, plastic machinery screw barrel

Specification:
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 16-35
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)
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.