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Ball Type Air Slitting Machine Differential Shaft 3 Inch 74mm 24mm Width
Introduction
Differential shaft, also known as slip shaft or friction shaft, is used as the winding shaft and special rewinding shaft for slitting machine. The purpose is to use the slipping on each differential ring on the shaft to make multiple constant tension rolls on the shaft. Controlled by the tension system, let the compressed air which has a certain pressure come to axle core, so that it will produce friction torque between the friction parts and the slip ring, and realize constant tension coiling and it will help solve the unwinding problems and material damages caused by uneven thickness and tension of each roll material.
Classification
A.Pneumatic locking type
B.Mechanical locking type
Component
Central air pressure differential shaft are made of core roll, differential ring, airbags, friction parts, sealing rings.
The relationship between air pressure and torque
| Air pressure | Torque |
| 0.1MPa | 0.81N.m |
| 0.2MPa | 1.35N.m |
| 0.3MPa | 1.58N.m |
| 0.4MPa | 1.92N.m |
| 0.5MPa | 2.25N.m |
| 0.6MPa | 2.42N.m |
| 0.7MPa | 2.62N.m |
| 0.8MPa | 2.93N.m |
Size air shaft
| Type of air shaft | Unaerated diameter of air shaft (ømm) | Inflated diameter of air shaft(ømm) | Applicable paper core tube inner diameter(ømm) |
| 3″ | 74-75 | 80-82 | 75.5-78 |
| 6″ | 150 | 154-156 | 151-153 |
Application of differential air shaft
A.The applicable Machine
It is used for slitting machine,coating machine,cutting machine,printing machine,compounding machine,paper making machine,bag makeing machine, embossing machine and so on .It can greatly improve the working efficiency and the quality of products.
B.The applicable Material
Differential air shaft has been widely used in plastic film including electronic, capacitor, battery film, plastic wrap, packaging, composite film, metal foil such as copper foil and aluminum foil, paper and pvc sheet.
