Product info
Re expanding shafts with listels are available with an aluminium or steel extruded profile, made to guarantee a perfet grip on cores of any kinf of roll. Air, introduced through a valve, inflates the air chambre forcing the listels to expand and grip the inner diameter of the roll core.
We produce standard shafts in diameters ranging from 18 mm to 12”, and in other dimensions by request. Different kinds of listels, journals and surface treatments are also available. Cantilevered shafts are used for narrow web applications.
Technical data
| Ø INSIDE CORE | 50 mm / 2” | 70 mm | 70 mm | 3" | 3" | 3" |
| Ø shaft (mm) | 48,5 | 69 | 69 | 74,3 | 74,5 | 74,8 |
| Material | aluminium | aluminium | acciaio | aluminium | acciaio | aluminium |
| Slots number | 3 | 6 | 5 | 5 | 5 | 6 |
| Torque** (Nm) | 10 | 350 | 350 | 300 | 300 | 400 |
Shaft weight without journals -each meter (Kg)
| 3,3 | 5 | 19 | 6,5 | 24 | 5,9 |
| Ø INSIDE CORE | 4" | 5" | 150 mm | 6" | 8" |
| Ø shaft (mm) | 100 | 125 | 148 | 150 | 198 |
| Material | aluminium | aluminium | aluminium | aluminium | aluminium |
| Slots number | 6 | 6 | 9 | 9 | 8 |
| Torque** (Nm) | 900 | 1100 | 2020 | 2050 | 2400 |
| Shaft weight without journals -each meter (Kg) | 8,4 | 14,5 | 9,45 | 10,32 | 15,2
|
** with cardboard core
Download
| Datasheet | Drawing PDF | Drawing Dwg | 3D | User manual |
| Listels air expanding shafts | | | | | |