2inch Bladder Air Shafts for Rewinder Machine

The gas expansion shaft (gas expansion shaft) is generally made according to the needs of the actual application. There is no standard part, and different types are selected according to the actual needs.

Description

Name: 2”Continuous Lug Air Shaft
Model: 2inch diameter
Expanding elements: Rubber Lugs
Outer Diameter: 49mm(can be customized as per customers’demands or drawings)
Length Customized based on drawing
Inner Diameter of Applicable Tube 50mm(Customers need to inform their CORE ID exactly)
Shaft Body Steel
Shaft End Steel
Colour Silver

The gas expansion shaft (gas expansion shaft) is generally made according to the needs of the actual application. There is no standard part, and different types are selected according to the actual needs.

Air shaft is a special shaft for winding and unwinding. The shaft is designed by the key/leaf/lug on the surface, which will be expanded when the high-pressure gas filled enter into the shaft inside. The customer just aired the shaft through the air valve and when user want to lock the coils or web, and just push the core of the air valve to deflate, the keys will revert to its original appearance, then web can be dismantled simply.

Expanding shafts are widely used for winding, rewinding slitting ,printing, packaging, plastics, paper, glass, pharmaceuticals, electronic battery, textile machines or industries.

2inch Core shafts and expanding shafts are used to handle winding rolls in the processing of web-fed materials. They are worked with equipment such as continuous-process printing machines. Mandrels and air shafts are similar to the axles on an auto. They apply as the connection between the motor that drives the reel-winding application and the roll itself.

Technique parameter 

Model Inner Diameter of Paper Tube Shaft Diameter Before Expanding Shaft Diameter After Expanding
1″ Shaft Φ25.4mm Φ24.5mm Φ27.5mm-Φ28mm
1.5″ Shaft Φ38mm Φ37mm Φ41mm
2″ Shaft Φ50mm Φ49mm Φ53mm
3″ Shaft Φ76.2mm Φ74mm-Φ74.5mm Φ82mm
4″ Shaft Φ102mm Φ100mm Φ108mm
6″ Shaft Φ152.4mm Φ150mm Φ158mm
8″ Shaft Φ203.2mm Φ200mm Φ210mm
10″ Shaft Φ254mm Φ250mm Φ260mm
12″ Shaft Φ304.8mm Φ300mm Φ312mm

Product Purpose:

It is applicable for rewinding and unwinding shaft for related equipment in coating , cutting, printing,converting, paper making,bag making,plastic items,specially in the occasion of the high-efficient roundness required or surface winding and unwinding on the paper tube.Moreover,it also can improve efficiency and quality of the products.

Packing

Order Details

Item Name 2inch Multi Bladder Type Air Expanding Shaft
MOQ(Minimum Order Quantity) 1Pc
Lead time 12-15 days after receiving the deposit
Calculated Weight 12kg/Meter
Package Wooden Tube/Wooden Box
Price Term EXW,FOB, CIF, etc
Payment term TT,L/C,Western Union
Country of Origin China

 

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