High Quality Screw Barrel Spare Parts for Rubber Tire Making Machine

US$1.00-2,553.00 1 Piece (MOQ)

Basic Info.

Model NO.

at buyer option

Type

Tube Shoulder Injection

Structure

Vertical and Horizontal Composite

Plastic Type

Thermosetting

Plasticizing Way

Screw Type

Clamping Way

Hydraulic & Mechanical

Automation

Automatic

Computerized

Certification

ISO9001:2008

Leading Time

35-45days

Application

Pin Barrel Cold Feeding Rubber Extruder

Hardness of Nitrided Layer

Hv950-1000

Nitrided Layer Thickness

0.55-0.70mm

Steel Material

38crmoala

Surface Roughness

Ra0.4

Warranty and Service

1 Year

Delivery Ways

by Sea or by Air

Transport Package

Wood Case

Specification

ISO9001: 2008

Trademark

DONGBIN

Origin

China

HS Code

84779000

Production Capacity

2600

Product Description

Materials
38CrmoAIA
Duplex stainless Steels
GH3#
Power Metallurgy Raw Material
Cold/Thermal Spray Hard Metal Process
Advanced Nitriding Process
Corrosion&Abrasion Resistance Bimetal Spraying Process

Technical Index

Product	Screw&Barrel
Tempering hardness	HB240-280
Hardness of nitrogen treatment	HV950-1000
Depth of nitrogen layer	0.55-0.70
Nitrided brittleness	Less than grade 1
Surface roughness	Ra 0.4
Screw straightness	0.015mm
Hardness after nitriding	≥900HB
Chromium-plating depth	0.05-0.10mm
Alloy hardness	HRC55-62
Alloy Depth	1.5-2.0mm

Processing steps:
01 Blanking-02 Quenching and Tempering-03 RoughTurning-04 Detecting-05 Semi Finishing Turning-06 Aging Treatment-07 Rough Grinding
08 Crossed Thread-09 Milling Cutter Roove-10 Turning Thread Groove-11 Tempering-12 Polishing Thread Groove-13 Fine Gringding-14 Milling Keyway-15 Fitter-16 Detecting-17 Nitriding or Bimetallic Treatment-18 Cut Off Process Allowance-19 Polishing Thread Groove-20 Detecting

Our Service
Warranty and service: 1years

Our Advantages
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly

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