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

Product Detail

Model No.: PT-93

Production Capacity: 300sets/month

Delivery Date: 45days

Hardness After Hardening &Tempering: HB240 -280

Nitrided Depth: 0.45-0.7mm

Surface Roughness: Ra0.4

Means of Transport: Ocean,Land

Packing: wooden case

Brand Name: Vanscrew

Nitrided Hardness: Hv850-1000

Nitrided Brittleness: ≤Grade 2

Screw straightness: 0.015mm

Nitriding treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating Bimetallic-alloy
Vacuum quenching

parallel screw

Single Screw Barrel Application:

Single Screw Injection and extrusion Machinery, Food processing machinery and rubber processing machinery.

Advantage of Single Screw barrel:

Precision control of injection volume. High requirement for product quality.

Parallel twin screw and barrel type

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:1/36

Compressing rate of screw can be designed according to different raw materials and product.

Material

Alloy-Steel of High-quality

1)38CrMoALA(JIS SACM645)

2)42CrMo(JIS SCM440)

3)9Cr18MoV

4)CW6Mo5Cr4V2

Heat-treatment

Nitriding treatment

Electroplated hard-chrome finish

High-frequency quenching

Spray coating Bimetallic-alloy

Vacuum quenching

Technical data

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