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ruian chuangbo machine co.,ltd
Home ProductsDifferential Air Shaft

3 Inch Differential Drive Shaft

We have cooperate with CBB Ruian Chuangbo for more than 8 years, Chuangbo is one of our main suppliers in China. During that time, we have never had any quality problems, and the delivery is very timely. We will help solve some of our questions about the products in time. I believe we will cooperate better and longer

—— Kaku Kohli

High-quality products and timely delivery are of great help to the production of our machines. We don’t have to treat other Chinese suppliers like we do. Chuangbo always delivers on time before the delivery date, which is very good. Supplier

—— Lorena Martínez

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3 Inch Differential Drive Shaft

3 Inch Differential Drive Shaft
3 Inch Differential Drive Shaft 3 Inch Differential Drive Shaft 3 Inch Differential Drive Shaft

Large Image :  3 Inch Differential Drive Shaft

Product Details:
Place of Origin: Zhejiang
Brand Name: CBB
Certification: CE
Model Number: DS74
Payment & Shipping Terms:
Minimum Order Quantity: 1 piece
Price: USD1000-10000/piece
Packaging Details: Plywood carton
Delivery Time: 30 days
Payment Terms: T/T, Western Union
Supply Ability: 200 pieces per month
Detailed Product Description
Diameter: 3 Inch 75mm Shaft Material: Steel
Length: Customized Ring Type: Ball Type
Ring Width: 24mm Ring ID: 60mm
Warranty: 1 Year HS Code: 8443919090
High Light:

3 Inch differential drive shaft


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Ball Type Air Slitting Machine Differential Shaft 3 Inch 74mm 24mm Width


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.



A.Pneumatic locking type

B.Mechanical locking type



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.


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Contact Details
ruian chuangbo machine co.,ltd

Contact Person: Cai

Tel: 86-15558888956

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