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ruian chuangbo machine co.,ltd
Home ProductsAir Expanding Shaft

Brown Ø 75mm Multi Bladder Air Expanding 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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Brown Ø 75mm Multi Bladder Air Expanding Shaft

Brown Ø 75mm Multi Bladder Air Expanding Shaft
Brown Ø 75mm Multi Bladder Air Expanding Shaft Brown Ø 75mm Multi Bladder Air Expanding Shaft Brown Ø 75mm Multi Bladder Air Expanding Shaft

Large Image :  Brown Ø 75mm Multi Bladder Air Expanding Shaft

Product Details:
Place of Origin: Zhejiang
Brand Name: CBB
Certification: CE
Model Number: Sl
Payment & Shipping Terms:
Minimum Order Quantity: 1 piece
Price: USD200-1000/piece
Packaging Details: Plywood carton
Delivery Time: 7-30 days
Supply Ability: 2000 pieces per month
Detailed Product Description
Brand: CBB Type: Multi Bladder Type
Powers Supply: Pressed Air Material: Aluminum
Diameter: 74, 150mm Colour: Brown
High Light:

Multi Bladder Air Expanding Shaft


Ø 75mm Air Expanding Shaft


Ø 75mm expanding core shafts

Good Concentricity Multi Bladder Air Expanding Shaft For High Speed Machine


    CBB brand air shaft is a special shaft for winding and unwinding. The shaft is created by the keys or leaves (expanding elements) on the surface, which will be expand when the high-pressure gas filled in the shaft. Air shaft is easy to operate, the user only have the air supply with the air pressure controlled within 6-8kg/cm2. Just aired the shaft through the air valve and when user want to lock the web. Just push the core activities of the air valve to deflate, the keys will revert to its original appearance, then web can be removed easily. 

    Aluminum material multi bladder air expanding shaft is especially for high speed machine, the most remarkable feature is the good concentricity, which is important for precsion and high speed material and machine.


    CBB brand Air expanding shaft Main Feature:
1. High quality mateiral and new technology.
2. Factory directly supply.

3. Extensive application and high precision performance.

4. Simple installation.

5. Durable.
6. All specification can be customized.



    Air shaft is widely used for winding, rewinding and slitting machines. It is widely used in printing, packaging, plastics, paper, glass, pharmaceuticals, electronic battery, textile machine and industry.

Air shaft can used for every kinds of machine which need rewind and unwind.


    Size of Multi Bladder Air Expanding Shaft

Standard size of air shaft is useful all over the world for almost all kinds of machines

Specifications Diameter of air shaft before fill up air Diameter of air shaft after fill up air Inside diameter of suitable paper core
3 " Ø 75mm Ø 78 – Ø 80mm Ø 75.5 - Ø 78mm
6 " Ø 150mm Ø 154 – Ø 156mm Ø 151 - Ø 153mm

We can customized other sizes of air shaft even if the air shaft is not standard size.



1. Adopting high air press machine to meet interference fitting

We are using a high air press machine for the air shaft, which most of the machine has included it. Air power is more efficient and safe.


2. Adopting hi-precision Aluminum as the shaft body

We adopt hi-precision Aluminum as the shaft body.The thickness of this kind of tube is uniform so when the flat rubber tube inside is inflated ,all key strips will stick out at same height .And it will greatly weaken centrifugal force of the whole air shaft when it is rotating and will keep a dynamic balance.


3. Adopting special equipment to connect air chamber and shaft head

The connection between the air chamber and the shaft head is very important process,our company are using special equipment to realize it.Outside is buckled by siderosphere directly which can realize good sealing performance and stability. Many air shafts produced by other suppliers , both ends are fastened by iron wire,this is easy to leak and is with unstable sealing performance.


4. New Techology

The newest techology for the multi bladder type air shaft, the quality of the air shaft will be stable and good, the life of the air shaft will be long too.


5. Quality control

We have the quality control system during the whole production from the very beginning to the end and our principle is to make sure each shaft is qualified.



Our air shafts are usually packaged by standard wooden box,plywood wooden box and carton,also can be packaged as customer's requirement.


    Our strengths:

1. Perfect service system and after-sale protection.

2. Quality problems will be solved within 24hours.

3. One-to-one customer service tracking processing.

4. Companies carry out the ERP management, improve enterprise fast response.

5. Quality assurance, one year warranty.

6. Supporting professional matched other equipments.

7. Unique development and design capabilities to meet the needs of special-purpose equipment manufacturing.



    1. When can I get the quotation?

Usually quoted within 24 hours after receiving your inquiry. If you are very urgent to get the price, please call

us or tell us in your email, so that we can regard your inquiry priority.

    2. How should I place the order?

For air shaft and roller, please show us your drawing, or let us know your request, and then we will provide you drawing for confirmation.

    3. What is the MOQ?

We don't have MOQ request, 1 pieces order is OK.

    4. What about the lead time for production?

Up to your quantity, normally less than one month.

    5. Can you produce relative product,like adapter,hand shank?

Yes. We are profeesinal in the machinery parts, our main products including aluminum guide roller, air shaft, powder brake, centrifugal blower, torque motor and so on.


About CBB Chuangbo:

    Ruian Chuangbo Machinery Co.,Ltd. established in 1995, is one of the biggest manufacturer of machinery parts in East China

    We have a factory more than 20,000 square meters and more than 180 employees in the company.

    More concerned for our products , please do not hesitate to inquiry now!

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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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