Comma Scraper, Shanghai Donghui Roller specializes in making Comma Scraper which is high accuracy. And Shanghai Donghui Roller is the excellent expert all over the world.
1. Generally, the opening is along the symmetrical axis of the roller.
2.Material is excellent 45# seamless steel pipe or alloy steel
3. Precise process includes heat treatment, mechanical treatment, chromate treatment, grinding and so on.
4.The roller, straightness & out of roundness & proper alignment <= 0.003mm
5.The opening, straightness >= 0.005mm
6.Hardness of surface >= HRC62
7.Finish of surface is Ra0.01um (14 levels)
8. Wearing resistance is excellet, friction effect is very clean.
9. used in coating machine, gumming machine, laminating machine, composite machine. Printing, packaging, leather, textile. Plastic, paper, and so on.
DHG001 1*10 m.
Model: TB300,TB600,TB800,TB1000,TB1100,TB1300,TB1600,TB1600+ Material: Roll material such as film,Paper,Cloth,foil,etc. Coating Width:300mm, 600mm, 800mm, 1000mm, 1100mm, 1300mm, 1600mm, 1600+mm Unwinding diameter: 300-800mm, 300-1500mm Rewinding diameter: 300-800mm, 300-1500mm Oven temperature: 30-220degrees centigrade (According to the material) Oven length: 3-48m (According to the materialï Coating speed: 10-150m/min (According to the material) Coating type: Comma scraper coating,veins roller coating,three-rollers coating,etc Heating tyope:Electric heating,steam heating,oil heating,etc. For any interest, pls contact us. We provide machine working video and glad to serve on you.
