Air Expanding Shaft
The catered range of Air Expanding Shaft / Expanding Shaft is actually a core-holding device which is generally used for winding and unwinding operations in different important industries including plastic, polyester, paper & packaging, foil, rolling, textile process and many more. The offered shaft is meant for core inside diameter. On order to avoid the overfilling of air a special air gun is fitted with pressure so that in built air pressure which develops inside the Air Expanding Shaft is known. We truly under stand the needs and requirement of the clients and thus manufacture the products as per their given samples and drawings.
Air Expanding Shaft is our widely sold product in the market. This is designed keeping in mind designs and sizes that are industry specific.
Air expanding shafts can be employed for fast changeover of un-winder/winder roll for core holding. The air is filled through the air valve and air shaft holds the core by expanding rubber bladder. Thump press removes the air and releases the core. 3 inch ID core is the most commonly used core. The bigger cores are generally used where heavy weight of the unwind/re-wind rolls. The offered air expanding shaft is a core-holding device, apt for 3 inch core inside diameter and 70mm core diameter. Paper and PVC core is mainly held by the Lugs type Air expanding shaft.
One can also use square end air shaft with safety chucks for winding
The shaft can take load, ranging from 30kgs to 500kgs
Cantilever type air shaft is provided with one side shaft for mounting
Air valve shaft rubber bladder and lugs type air expanding shaft can be located at face length or shaft end, based on the requirements
Easy to replace
Valve fitting and PTFE tape sealing of valve thread to avoid O rings damage
Air overfilling can be avoided to prevent air bladder puncture with special air gun with pressure
Special Hardened ends and bearing size must be mentioned in the order.
Features of Belmark Air Expanding Shaft
Belmark air expanding shaft gives excellent performance for winding application in many roll handling processes.
70mm, 76mm,101mm and 152mm CORE ID are the available sizes.
Belmark air expanding shaft is regarded as the best cores gripping with large range, from light to heavy duty work
Belmark air shaft does not cause any harm at the core surface.
Belmark air expanding shaft cut downs reel change over time.
Cantilever Air Shaft
Cantilever Air Shaft is specially designed as per the specifications set by the authorities. This everlasting Air Shaft is provided at best prices
Extra heavy duty rotating assembly
Impeller adjustment from above base plate
Options of direct or v-belt driver
Cantilever shaft design
Renewable wear ring or wear plate options
All models can be custom engineered to most demanding applications
VNCB is apt for medium duty applications
VNCT is apt for severe duty applications
11 to 2,270 m3/hr
50 to 10,000 gpm
6 to 76 m
20 to 250 ft
Lug Type Air Shaft
Our company provides superior quality Lugs Type Air Shafts to our customers. The Lugs Type Air Shafts are fabricated making use of high grade material. Customers can get Lugs type air shafts at best prices.
Expanding Shaft Features:
- Paper tube and wooden case packaging
- Excellent performance
- High precision shaft
- Reasonable prices