Expansible Shafts Design and Construction and Consulting.
Suitable for blocking of cardboard cores with an internal diameter of 304.80 mm.
Casing made from a highly resistant and light aluminum alloy tube.
This version is self-centering and has independent air chambers, with 6 centering strips and 6 blocking strips
It has 12 Nr. Lightening cables.
The weight changes according to the length of the board.
A shaft with a board LN=1400 weights approximately 65/70 Kg.
Comparison between a Special 12” Pneumatic Expanding Shaft and a 6” Pneumatic Expanding Shaft.
This special shaft is built from an extra light aluminium alloy profile.
It's Self-centering and has got independent air chambers, with 6 blocking strips and 6 centring strips.
For example: