parallel twin Screw from China manufacturer - Zhoushan Vanscrew Machinery Co.,Ltd.

Product Detail

Model No.: PT-102

Production Capacity: 300sets/month

Delivery Date: 25days

Material: 38CrMoALA

Hardness: ≥900Hv

Means of Transport: Ocean

Packing: wooden case

Brand Name: Vanscrew

Heat-treatment: Nitrided

Application: extruder

1.Nitriding treatment
2.Electroplated hard-chrome finish
3.High-frequency quenching
4.Spray coating Bimetallic-alloy

Parallel twin screw barrel
The models of screw include:

Variable pitch and variable depth, variable pitch and equal depth, variable depth and equal pitch, and equal depth and pitch.

Groove multi-die type, composite type, mixing type and separating type.

Materil: 38CrMoALA

Heat-treatment:

1.Nitriding treatment

2.Electroplated hard-chrome finish

3.High-frequency quenching

4.Spray coating Bimetallic-alloy

5.<a FCK__AnchorC" fck__anchorc="" name="OLE_LINK12">Vacuum quenching

Technical specification

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

Type of parallel twin screw barrel

Φ40/2	Φ50/2	Φ65/2	Φ80/2	Φ90/2	Φ105/2
Φ125/2	Φ130/2	Φ150/2	Φ180/2	Φ200/2

MAX L/D=36:1
Compressing rate of screw can be designed according to different raw materials and products

Parallel twin screw barrel

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