2024-03-11
Application of Proportion-air Proportional Valve in Papermaking, Textile and Metal Processing
Many materials (such as paper, film, metal and plastic) are produced and sold in continuous long sheets and stored in large rolls. These reels provide more convenient logistics in terms of transportation, handling and handling. The products on these rolls are then used in many industries to make a variety of products. The process of unwinding these large rolls is called conversion because the rolled material is converted to a specific manufacturing use. This process requires excellent tension control to ensure that the reel is unwound at a constant tension/Winding. Proportional air is commonly used to control tension and pressure in the following applications:
Air brake and clutch control device for winding and unwinding rolled material
Provisions for spraying adhesives
The use of pressure-dispensing powders in film-making processes
Dancer Cylinder Control
Edge guidance control of web during winding or unwinding
Press roller control for laminating elements
Adjusting pneumatic clutches and brakes
Roll control
When unfolding a product such as paper or steel, it is important to unfold so that you can cut the product into manufacturable parts. It is important to be able to maintain the same tension as the reel unwinding or rewinding; the tension must remain the same, otherwise the cut will be different.
To maintain this tension, you can install a pneumatic brake for unwinding or a pneumatic clutch for rewinding. Since the roll diameter is proportional to the pressure on the brake or clutch, it is important to maintain the same torque regardless of the roll diameter or core diameter. If the torque remains constant throughout the cutting process, then you will get a stable product.
Paper, Textile and Metalworking Applications
Calendering, cylinder speed control, edge bronzing, festooning, anti-bite control, roller pressure control, tension arm, yarn and thread grinding.
纺织,控制,张力,保持,产品,制动器,用于,压力,离合器,卷筒,proportion-air,电气比例阀,比例阀
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