Pneumatic Core Expansion Expanding Inflating Air Shaft for Printing Machine
Type Name | Photo |
Leaf Type | ![]() |
Strip Type | ![]() |
Pad Type | ![]() |

Suitable for coiling and unwinding of various industries and materials. The air shaft is mainly suitable for printing and packaging equipment, including printing machine, bag making machine, compound machine, slitting machine, etc.
Purchasing and requirements
1. This product is made of special steel or aluminum alloy. Generally, the bearing capacity is less than 800KGS, and the length of shaft is less than 1500mm. It is recommended to use aluminum alloy pipe.
2. Client can order different types of air expansion shafts with different requirements according to their own equipment requirements.
3. The effective part of the air expansion shaft shall be made according to the company's standards, and other dimensions shall comply with the client's requirements. The air inlet mode shall be indicated on the processing drawing, and the installation position of 45MM air nozzle shall be reserved for radial air inlet; If the air inlet is axial, the outside diameter of the shaft head at the installation position of the air nozzle must be greater than 35mm
4. The price of air expansion shaft is calculated according to the length of shaft tube.
5. If Client need air expansion shafts with special specifications and requirements, we can design and process them.
Standared export carton or wooden case , suitable for export by courier, by air, by sea.

Shanghai Minghui Technology Development Co., Ltd. is a professional manufacturer of packaging equipment accessories integrating production, sales and service. It is located in Shanghai-the largest metropolis in China.
Main products is various hole punch, heat sealing bar, cooling knife , zipper board, cutting knife, shear slitting blades punching knife of vertical packaging machine, punching knife of horizontal packaging machine, deviation correction controller, edge closing machine, die-cutting machine, air shaft, slip shaft,Anilox roller, rubber roller, stroboscope, electrostatic eliminator, Oil ink scraper, pneumatic components etc.various kinds of flexible packaging equipment accessories, consumables one-stop service.
Since its establishment, the company has always adhered to providing high-quality products to customers quickly and accurately. And customize product planning according to customer requirements, and continuously develop products with high quality level. After 15 years of hard work, the company has served more than 50 famous packaging equipment manufacturers in China and exported to overseas.



Hi-quality,hard wearing and long lifetime.
Hole punch any hole size and shape can be customized.
Professional production equipment, strict production management and inspection process.



Q: Are you trading company or manufacturer ?
A: We are the factory which specialize in this market for 16years until now. At beginning we are only head office/Factory Shanghai Minghui Precision Mould Co.,Ltd. and registered in 2006, then we make branch factory-Kunshan Xinmingkai Precision Mould Co.,Ltd. in 2017, In 2021 we move factory from Kunshan to Zhejiang-Zhejiang Minghui Intelligent Technology Co.,Ltd. Head office revise name to Shanghai Minghui Technology Development Co.,Ltd.Q:How about the warranty?
A: If quality problem, 12 months free replacement . After 12 month we can help with simple maintenance. If need the replace part will have fee charging.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, for sample order should pay sample cost and shipping fee as normal, no extra charge.Q: How can I get the sample to check your quality?
After price confirmation, you can require for samples to check our product's quality. If you just need a sample to check the
design and quality. Please contact our customer service.
Q: What can I get the price?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please tell us in your email so that we will regard you inquiry priority.
Honestly, it depends on the order quantity and the season you place the order.
Q: Can you customize the product according to our requirements?
We can be customized according to customer requirements.
Q.How long is your delivery time?
If the goods are in stock, it generally takes only 2-7 days; If the goods are not in stock, the average quantity you need is about 15-20 working days.
mehupm/simeka Ms Mandy Liu
