120 mm Bimetallic Screw and Barrel for Pear Cotton Screw

• Customization: Available
• After-sales Service: Fast Service
• Warranty: One Year
• Model NO.: 120mm
• Technics: Casting
• Feature: Corrosion Resistance
• Material: Metal
• Nitriding Hardness: Hv900-1000
• Straightness: 0.015mm/M
• Chromium Plating Thickness: 0.02~0.085mm
• Application Material: PP, PE, ABS, as, PS, etc
• Custom: Yes
• Material for: 38crmoala(JIS Sacm645)
• Depth of Nitriding Layer: 0.5-0.6mm
• Nitriding Brittel: Less Than Grade 2
• Surface Roughness: Ra0.4um
• Inner and Outer Diameter Tolerance: Less Than 0.02mm
• Round Runout: Less Than 0.04mm
• Total Length Tolerance of Screw: 0.03mm
• Keyway Spline Tolerance Grade: Grade 7
• Diameter: 15-300mm
• L/D: 4-35
• Transport Package: Wooden Case
• Specification: Diamater is 90mm
• Trademark: Hannshine
• Origin: Shanghai China
• HS Code: 84778000
• Production Capacity: 100000

Product Description

Product Description

Product name : High quality 120mm New design bimetallic screw and barrel for plastic extrusion, injection, blowing and packing machine

Product Parameters

Specification:
1) 38CrMoAlA(JIS SACM645)
2) 42CrMo(JIS SCM440)
3) 9Cr18Mov
4) CW6Mo5Cr4V2
Characteristic
High quality alloy-steel
Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
Spray bimetallic coating
Depth of nitriding layer: 0.5~0.8mm
Nitriding hardness: 900~1000Hv
Nitriding brittleness: less than one grade
Surface roughness: Ra0.4
Straightness of screw: 0.015mm
Surface hardness of chromium plating after nitriding: greater than 950Hv
Chromium plating thickness: 0.025~0.085mm
Application  
 1) Used for plastic products extrusion: blowing film, film, sheet, sheet, pipe extrusion  
 2) For chemical fiber extrusion: PET, PA6, film, non-woven fabric, rope fiber  
 3) Used for plastic recycling granulation  
 4) For cable extrusion: suitable for PVC, PE, PBT, and plastic fluoride

Technical data of screw &cylinder
Base Material	38CrMoAlA
Heat treatment	Nitriding + Hardening & Tempering
Nitriding hardness	HV900~1050
Nitriding thickness	0.5~0.8mm
Surface roughness	Ra0.4
Liner straightness	0.015mm
Technical data of alloy
Bimetallic hardness	HRC58-68
Bimetallic thickness for screw	1.0-3.0mm
Type of alloy
Stellite	Wear resistance	★★★
Colmonoy 6 PTA
Colmonoy 56 PTA
Tungsten carbide	Wear resistance	★★★★

Detailed Photos

Workshop picture
 

Factory picture
 

 

 

Packaging & Shipping

Packaging: Wooden case
Shipping: Shanghai seaport
 

FAQ

1. Q:How can I get the samples?
A:If you need some samples to test,please pay for the transportation freight of samples and our samples will be counted on the next order. We send the samples to you only after receipt of your payment.
2.Q:How much the transportation freight will be for the samples?
A:The freight depends on the weight and packing  size and your area.
3.Q:How can I get your Price list?
A:Please send us your email or fax and order information,then I can send you price   list.
4.Q:Can we have our logo or company name to be printed on your products or the package?
A:Sure.Your Logo can be puted on our products by sticker.And if you want your logo and company name to be printed on the cartons for the products,you can send us the artwork by email.
5.Q:How to order?
A:Please send us your purchase order by email or fax or you can ask us  to send you a proforma invoice for  your order.