Boschert pedestal hand operation safety chuck for printing machine

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. This safety chuck is widely applied for steel shaft and web roller material loading and unloading. 

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 pedestal safety chuck can be equiped with different square size of clamp heads. For the standard seat safety chuck, there are some models to meet customers' requirement. It includes STO/W28, STO/W35, STO/W50, STO/W75. And each model can be customized with different size of square holding mouth, such as STO/W28 model safety chuck, its square size is 22-30mm, so the square size usually made by 22*22mm, 25*25mm, 28*28mm, 30*30mm and etc to match with users' roller shaft (head) greatly.

Following is the technical data STO/W28 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.

Pedestal safety chuck can be matched with steel bar for roller winding and unwinding. It is side push structure and can detect chuck rotating position automatically. Loading air shaft into holding mouth via pushing hold mouth, after rotating a certain degree, its holding mouth will closed automatically, it is safe and convenient.

In this case, steel bar 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.