We are specialized in following screw and barrel for different kinds of extruders :

1)single screw and barrel;

2)double conical twin screw and barrel;

3)Parallel twin screw and barrel;

4)co-rotating twin screw and barrle;

5)injection screw and barrel and so on;

we also have different treatment for screw and barrel, like nitriding, bimetallic or chromed ...please send us your detailed drawings, then I will offer you our best, looking forwarder to hearing from you soonest.

Material
Alloy –steel of High-quality
1) 38 CrMoA LA (JIS SACM645)/DIN 1.8550
2) 42 CrMo(JIS SCM440)
3) 9 Cr18MoV
4) CW6Mo5Cr4V2

5) SKD61

Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
Spray coating Bimetallic-alloy

Technical data
Depth of nitration layer: 0.50 -0.80mm
Hardness of nitration: 900-1000HV
Fragility of nitration:Less than grade 1
Roughness of the surface:Ra0.4
Linearity of the screw: 0.015mm
The surface hard chromium plating hardness after
Nitrogenation: ≥ 950Hv
Chrome-plating layer thickness: 0.025 -0.085mm

1)Make the screw & barrel as per customers' drawings;

2)Provide engineers to your factory for measuring the old screw and barrel, then make new one.

 Polywood+shrinkage film+air bubble film

1) Quickly reply ;

2) shortly delivery (20-45 days);

3) one year quality warranty;

     Shanghai Wintech Extrusion Machinery Co., Ltd was founded in 2011, is one manufacturing and trading enterprises with a major export oriented. we have two manufacturing bases, respectively Changzhou Hansu plastic machinery Co., Ltd (www.shhansu.com) and Zhoushan Kema Machinery Co., Ltd (www.kema-cn.com), the mainly exporting products for different types of plastic extrusion machinery and the machine accessories, such as:

1). XPS- CO₂ (insulation Board) foamed board extrusion line;

2). PVC/HDPE pipe extrusion line;

3). HDPE/PVC single or double wall corrugated pipe extrusion line;

4). PVC window and door profile extrusion line;

5). WPC (Wood Plastic ) profile extrusion line ;

6). PET/PP/PS/PE plate and sheet extrusion line,

7). PP/PET strapping extrusion machine;

7). ABS/PS/HIPS Plate and sheet extrusion line ;

8). PVC free foaming board or skin foam board extrusion line ;

9). single ,twin or conical screw extruders, screw and barrel ,

10). Auxiliary equipment:  Crusher, shredder ,Pulverizer, mixer and feeder etc.

     With our many years of industry experience, is committed to become the trusted quality plastic equipment suppliers in the China for the oversea market customers !