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Barrel

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Barrel
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Product description
The flexible modular principle is realised with screw barrel sections from the wide range of different designs possible. The barrel sections are cooled with water, by means of an internal bore system, with bores arranged close to the inside barrel wall.
 
Modular barrels are available as follows for different processing requirements.
We adopt horizontal CNC, and advanced processing to machine the inner hole and pin hole at one time to ensure the coaxial degree of the barrel within 0.02mm. We use the advanced 3D measuring instrument to control the tolerances of each row of the cylinder. 
 
Materials for making barrels are mainly devided into following two types:
1.Barrel made of nitrided steel
2.Bimetallic barrel
 
For bimetalic barrels, generally we have three types of materials to provide:
(1) C-type liner
Bimetallic means the inside barrel hole made of alloy liner and outside base made of steel. Some typical elements for the liner can be:

material type

chromium

carbon

other

α 101

20%

2.5%

8% V

α 301

18%

2.5%

6% Tungsten

 
(2) Oval liner
It is made from one kind of high-chromium iron alloy (Cr12MoV), which is very famous in China these years due to its high wear resistant feature and its longer service life. We take our manufacturing process to a new level by introducing the oval liner products. We follow the unique formulation and ultimate techniques in our production that gives the best results in our supply.
 
(3) Imported material of world leading suppliers
For even higher wear resistance and higher corrosive resistance, we use imported material from Germany SAM26 - 26% chromium, 2.7% carbon and 3.5% V. 
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Address: Sanlidian, Qingshan Community, Chunhua Street, Jiangning District,Nanjing, China.
Tel:
+86-25-52717521
Email: info@cowinextrusion.com

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