Parallel Twin Screw Barrel for Rubber Machine from China manufacturer

Parallel Twin Screw Barrel for Rubber Machine

Price:	100.0~10000.0 USD
Payment Terms:	T/T,L/C,
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Means of Transport: Ocean,Land,Air,

Packing: wooden case

Place of Origin: Place of Origin

Plastic Type: PVC

Steel Hardness after: HB280-320

Surface Roughness: Ra0.4

Production Capacity: 3000 set/month

Delivery Date: 25-35days

Model No: shenglong

Steel material: 38CrMoAla,SACM645,SKD61,GH1...

Nitriding hardness: HV900

we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of differen

Specifications

Parallel Twin Screw and Barrel for Rubber Machine
1.diameter 25mm--300mm. L/D=8-60
2.process of hot aprayed hard alloys

Parallel Twin Screw Barrel for Rubber Machine

Hardness of nitration: 950-1020HV

Fragility of nitration: Less than grade 1

Roughness of the surface:Ra 0.4um

Linearity of the screw:0.015mm

Chromium-plating layer thickness:0.03-0.08mm

Hardness of double alloys: HRC55-62

Depth of double alloys:>2 mm

The surface hard chromium plating hardness after nitrogenation:>=950HV

Guarantee: Common Nitrided: approx 2 years Bimetallic : much longer lifetime

Technical standard:

1.Material: 38C rMoALA

2.Hardness of modulator: HB260-290

3.Hardness of nitrification:800-1050HV

4.Depth of nitrification layer: 0.4-0.7mm

Double-alloy technical standard:

Double-alloy level:

1.Level A - containing tungsten of 40%

2.Level B - containing tungsten of 25%

3.Level C - containing tungsten of 9.5%

4.Hardness of alloy: HRC56-65o

Applied scope of plastic: applied for PVC and WPC material, has a high output and stable performance.

1.Components of alloy powder: Ni + Co + Cr + W + Si + Fe + B + C

2.Depth of alloy layer: 1.2 mm-2.0 mm

3.Hardness of alloy: HRC>65°

Two stage type of barrel (material of powder outlet is Cr12MoMV, vacuum quenching)
and screw (powder output is treated by alloy), the using lifespan is long as twice
as common ones.The twin screws and barrel can be equipped in differents

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Parallel Twin Screw Barrel for Rubber Machine

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