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ruian chuangbo machine co.,ltd
Home ProductsDifferential Slip Ring

Rewind 12 Balls 74mm Differential Slip Ring

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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Rewind 12 Balls 74mm Differential Slip Ring

Rewind 12 Balls 74mm Differential Slip Ring
Rewind 12 Balls 74mm Differential Slip Ring Rewind 12 Balls 74mm Differential Slip Ring

Large Image :  Rewind 12 Balls 74mm Differential Slip Ring

Product Details:
Place of Origin: Zhejiang
Brand Name: CBB
Certification: CE
Model Number: DR3
Payment & Shipping Terms:
Minimum Order Quantity: 1 piece
Price: USD30/piece
Packaging Details: Plywood carton
Delivery Time: 7-30 days
Payment Terms: T/T, Western Union
Supply Ability: 2000 pieces per month
Detailed Product Description
Usage: Differential Shaft For Slitting Machine Type: Ball Type
Ball Quantity: 10-12 Balls Surface: Chrome Coating
Out Diameter: 3 Inch 74mm Inner Diameter: 60mm
Width: 24mm HS Code: 8443919090
High Light:

12 balls Differential Slip Ring


74mm Differential Slip Ring


74mm high speed slip ring

Normal Use Ball Type Differential Slip Ring Steel With Chrome For Slitting Rewind


    Differential slip ring is main and most important part for differential shaft, which is main part for rewind and unwind for slitting machine and other machinery. It can replaced separately, so can replaced by only some rings if damaged. Control the air pressure can control the tension of the differential shaft, which final control the web tension when rewind. It is mostly used for high speed slitting machines.



  • Differntial ring is most important part for differntial shaft. And the differential shaft is mostly for high speed slitting machine, it can make the material thickness stable, tension control will be easy and fast, precision is high for precise control of the tension by the differntial shaft, espcially for rewind part. 
  • Independently control of the differential ring on the shaft, tension control is easy and presicely, Low time cost and high economic benefit
  • There is a shaft core and rubber expanding part on the shaft, controlled by the automatic tension controller, the compressed air will have a stable air output, the rubber expanding part and the differential ring will have a friction torque, then control the tension on the differntial ring and final control the web tension.

Size of normally differential ring

Outside diameter: Φ75.5mm

The maximum action diameter: Φ78mm

Standard width: 24mm(can change to other size if needed) 

Friction plate width: 1mm

Friction plate material: nylon/steel

Standard internal diamete: Φ60mm (can change to 50mm or 55mm or other sizes if needed)

Type Outside diameter The maximum action diameter Standard width Standard internal diamete
3 inch
Double row ball
Φ75.5mm Φ78mm 15,20,25,30,35,40,50mm Φ50,Φ55,Φ60mm
6 inch
Double row ball
Φ151.0mm Φ154.0mm 15,20,25,30,35,40,50mm Φ50,Φ55,Φ60mm










  1. For some high speed machine, especially high speed slitting machine, the use of differential shaft ring improves the stablity of the slitting machine .
  2. The differential shaft combined by differntial shaft can make the accuracy of the winding and the degree of automation.At the same time,it shortens the preparation time and achieve the humanized operation. 
  3. Besides, using differential shaft ring to wind or unwind precious materials, metal foil and special paper roll, can greatly reduce the cost of production.

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.

Why choose CBB Chuangbo machinery
Long history and biggest manufacturer of machinery parts in East China
Established in 1995, now we are biggest manufacturer of machinery parts (aluminum guide roller, air shaft, differential shaft) in East China. In end of 2019, Chuangbo sucessfully listed in Dutch Caribbean Securities.
High quality of the material
The body of the differential shaft is made from steel or stainless steel.We will check the surface roughness,straightness, dynamic balance,cylindricity and so on to make sure it's qualified to use.
Within 24 hours reply for every problems and questions
We are manufacturere and we have 15 engineer in this area, all the problems and questions will be solved within 24 hours
We have a team of 20 workers for inspection department, not only check the final products, the workers will inspect during the whole production fromthe very beginning to the end. Our goal is to make sure each shaft is qualified
About CBB Ruian Chuangbo
    Ruian Chuangbo Machinery Co., Ltd. established in 1995, is specialized in manufacturing of machinery parts. The company has advanced production level and scientific research equipment, the products are matched with printing, packaging, plastics, paper, textile, pharmaceutical machinery and other industries. Our main products include aluminum guide roller series, curved roller series, air expand shaft series, centrifugal fan series, axial fan series, torque electric motor and controller series, frequency motor series, magnetic brake / clutch and tension controller serious , pneumatic diaphragm pump serious, electric ink pump serious, low-speed permanent magnet synchronous motor serious and so on. Widely used in printing, packaging, plastics, pharmaceuticals, textiles machinery and industries. The company has been granted with independent import and export rights, the products sold to allover the country and export to more than thirty countries and regions, such as: India, Pakistan, Israel, Russia, Spain and so on.
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Contact Details
ruian chuangbo machine co.,ltd

Contact Person: Cai

Tel: 86-15558888956

Fax: 86-577-65001588

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