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Характеристики

Air shaft Introduction

  In manufacturing, an airshaft is a device used for handling winding reels in the processing of web-fed materials, such as continuous-process printing presses

Airshafts—also called Air Expanding shafts—are used in the manufacturing processes for fitting into a core onto which materials such as paper, card and plastic film are wound. An airshaft is designed so that, on fitting into a core, it can be readily expanded, thereby achieving a quick and firm attachment, it may also be easily deflated to facilitate easy withdrawal of the shaft after winding of product is complete. Their efficient design makes them ideal for mounting onto bearing housings to enable the winding or unwinding of rolls of stock material with the minimum of equipment down time. The advantage of using an airshaft is its ability to grip the core, without damage, whilst providing a positive interface to control the web via motors & brakes. Airshafts are available as either lug type (with bladder down the centre) or strip type (bladders on the periphery of the shaft).

Air shaft specification 

Air shaft type

Air  shaft application

Air shaft is applicable to rewinding and unwinding shaft of the related machine in coating,  cutting, printing, compounding, paper making, bag making, plastic items, and the air shaft can improve the working efficiency effectively.

Air shaft Features

1. Inflatable job a short time, separated from the air shaft and place the paper tube just three seconds to inflate and deflate, nor do they need any parts sub negligent shaft side that is able to work closely with the paper tube bite.

2. paper tube placement simple: inflatable and deflated operation, mobile and fixed any position paper tube in the axial plane.
3. carrying heavy: May be the actual needs of customers, to determine the size of the shaft diameter, and the use of high strength steels hard to make it carry the weight increase.
4. Economic efficiency: shaft design for a particular function, for thick, thin, wide, narrow tubes have encountered all kinds of paper of all applications.
5. Maintenance is simple, use a long time: a single air shaft parts, each part in its construction Jieyou fixed specifications, can exchange it with, it is convenient.

Air shaft order guide

Users should specify type,dimension,the position of the gas nozzle,and the tolerance of the important size of the top of shaft.If the film blowing machine Dual Diameter Shaft inlet gas,when the gas nozzle is mounting,the out diameter of the top of the shaft should be more than 35mm;All formal drawing of overall dimension should be provided.After the confirmation of both sides,we will start production.

Air shaft prcocessing flow