38crmoala Screw and Barrel for Rubber Machine

Name: 38crmoala Screw and Barrel for Rubber Machine
Brand: Zhejiang Zhongyang Screw Manufacturing Co., Ltd.
SKU: Tradewheel_2435447
Availability: InStock

FOB Price 1 - 50 USD / pieces

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Model NO.	ZYSCREW	Condition	New
Customized	Customized	Automatic Grade	Automatic
Structure	Horizontal	Bimetallic Layer Depth	3mm
Bimetallic Layer Hardness	HRC58-62	Using Life	1 Year
Type of General Rubber Machinery	Rubber Extruder	Nitrided Layer Depth	0.5-0.8mm
Nitrided Hardness	HRC56-58	Size	Nitriding Steel
Transport Package	Slushing Oil Coated& Film Wrapped in Wooden Case	Specification	ISO 9001: 2008 approved
Trademark	ZHONGYANG	Origin	China
HS Code	84779000	Production Capacity	150 Sets/ Month

Product Details

Product Description

Specification:
Diameter of pin screw and barrel: Φ 75mm-Φ 200mm
L/D ratio: 12-18

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.
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