Pneumatic outside expanding air shaft matched with safety chuck

Pneumatic outside expanding air shaft matched with safety chuck

Air expanding shaft is widely applied for roll material winding and unwinding. It can be fixed on steel holder or safety chuck as need. Steel and aluminum body and shaft head are strong and durable for working. 

Handong is a professional and skilled manufacturer of manual and pneumatic safety chucks, these safety chucks can well replace Boschert flange and pillow safety chucks with high performance and good price. This pedestal and flange type safety chuck is our regular and skilled products with full experience. Safety chuck is popular applied in packing and printing machine for working.

Pillow safety chuck is also called manual foot mounted safety chuck for paper core loading and unloading. For the standard manual safety chuck, there are two types: flange mounted safety chuck and pedestal mounted safety chuck. STO/W foot mounted safety chuck is just the pedestal type, it is fixed on the worktable by screws. Its installation is easy and convenient for user.

Safety chuck is like a connector, it is usually worked with air expanding shaft for film, paper or non-woven fabric roller winding and unwinding. Pneumatic shaft hold web material, and safety chuck hold pneumatic shaft, they are worked together.

This inclined push manual safety chuck is just like a holder to support roller material in it. It can protect holded roller during winding and unwinding very well. It is convenient for fixing, lock this safety chuck on worktable via two screws is ok. And this safety chuck is usually one couple, that is one safety chuck without extend shaft, another one is made with an extend shaft to match with motor power.

Our Handong made safety chuck is with inclined push, so the steel bar, air expanding shaft can be placed into its holding mouth for web material winding and unwinding. It is a safe chuck, how to say? Because this safety chuck's holding mouth will be closed automatically after rotating a certain angle, in case of loading roller fall down. It is with high performance, while price of it is cheap.

This air expanding shaft can be matched with all kinds of safety chuck, after its shaft end confirmed. Following is the technical data STO/W35 safety chuck for your reference:

This safety chuck is widely used in steel machinery, packaging machinery, printing machinery, textile machinery, wire and cable machinery, winding machine, machine tool equipment, plastic machinery, chemical machinery, paper making machinery and other large and automatic machinery.

In this case, outside expanding shaft is loaded into pedestal safety chuck for film or paper material loading and unloading, it is safe and easy operation. Pushed safety chuck's holding mouth for steel shaft loading and taking out. After rotating a certain angle, this safety chuck will be closed for safe operation. This coupling is very popular for modern industry usage.

There are several pieces of keys in the air expanding shaft, steel keys or rubber keys can hold paper core tightly and firmly.