PVC injection screw barrel from China manufacturer - Zhoushan Vanscrew Machinery Co.,Ltd.

Price:	800.0~1500.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: ISC-90

Production Capacity: 500sets/Month

Delivery Date: 30days

Marerial: 38CrMoALA

Nitrided depth: 0.5-0.8mm

Ratio of length to diameter: 25

Means of Transport: Ocean,Land

Packing: wooden case

Brand Name: Vanscrew

Heat-treatment: Nitrided

Hardness: Hv900-1000

1. Rubber screw barrel for extruder machines
2.Nitriding treatment
3.Longer Nitriding process time(more than 120 hours)

Product Material:
1. 38CrMoALA(JIS SACM645)

2. 42CrMo (JIS SCM440)

3. 9Cr18MoV
4. CW6Mo5Cr4V2

5. Various high quality alloy steels, According to different usage, the choice for alloy is different, types of steel depending on customer requirement.

Technological Process for rubber screw barrel

Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finished Product→Detecting→Nitring/Alloy Processed →Finish Machining

Technologic Guidance:

Material	38CrMoALA,9Cr18MoV
Application	PVC,ABS,TPO
Hardness After Hardening &Tempering:	HB240 -280
Nitrided Hardness:	Hv850-1000
Nitrided Depth:	0.45-0.7mm
Nitrided Brittleness:	≤Grade 2
Surface Roughness:	Ra0.4
Screw straightness:	0.015mm
Surface Chromate-plating's Hardness After Nitrided:	≥900Hv
Chromate-plating Depth:	0.05-0.10mm
Bimetallic-alloy Hardness:	HRC56 -65
Alloy Depth:	0.8-2.0mm