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FullSharp installed an electric articulating manipulator with a cradle head that hugs the air shaft, so one operator can pull a long, heavy shaft out of a roll and onto the storage rack. The unit carries the full weight and keeps the shaft level, so it never rubs the roll core, bends or damages its internal air valves.
Air shafts are long and heavy, and pulling them out of a roll normally takes two people holding each end. When the shaft tilts even slightly it rubs against the roll core, and over time the shaft bends and the internal air valves fail.
FullSharp installs an electric articulating manipulator with a cradle head that hugs the shaft. The unit carries the full weight and keeps the shaft perfectly level, so one operator only needs to pull gently to slide it out of the roll and onto the storage rack.
Electric articulating manipulator supporting and pulling an air shaft out of a roll on the shop floor.
Equipment installed
- Folding articulated arm: each arm segment rotates freely, following the shaft's removal path even when the machine sits flush against a wall.
- Electric lifting unit: an electric motor raises and lowers the arm at the push of a button, holding a steady height throughout the pull.
- Shaft cradle head: a trough that hugs the shaft body, with stops on both sides so the shaft cannot roll while it moves.
- Floor-mounted support column: bolted to the floor beside the machine to absorb the moment load when the arm reaches full extension.
Key specifications
- Arm typeFolding articulated
- Operation typeElectric lift
Benefits for the plant
Keeps the shaft straight
The shaft stays level as it's pulled out, so it never rubs the roll core or bends.
Single-operator task
No need for a second person to hold the opposite end of the shaft.
Faster shaft changeovers
Machine downtime for shaft replacement is cut noticeably.
Real installation photos
Click a photo to enlarge. Album of 26 photos taken on site.
Suitable applications
- Roll printing and film laminating plants
- Flexible packaging factories
- Slitting and rewinding lines
- Air shaft storage and rack areas
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Frequently asked questions
Why do air shafts bend over time?
When two people pull a shaft out by hand it tilts slightly and rubs against the roll core, which bends the shaft and damages the internal air valves. Keeping it level during removal prevents that.
How does the manipulator hold the shaft?
A trough-shaped cradle hugs the shaft body, with stops on both sides so it cannot roll. An electric motor holds a steady height through the pull.
Can it work when the machine is against a wall?
Yes. Each segment of the folding arm rotates freely, so it follows the shaft's removal path even when the machine sits flush against a wall.
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Get a consultation for your plant
FullSharp needs the length, diameter and weight of your air shaft along with the clearance around the machine. We build a cradle head to match that exact shaft, install the manipulator beside the machine and run a live test.