Process Guide
How A Spun Concrete Pole Is Produced Step By Step
Every stage of the pole process feeds the next one. This guide follows a pole from the mixing station to the stock yard and explains what decides the cycle time at each step.
Every stage of the pole process feeds the next one. This guide follows a pole from the mixing station to the stock yard and explains what decides the cycle time at each step.
Concrete mixing, rebar and cage making, clamping, pumping, tensioning, spinning, steam curing, demoulding and stocking. On an automatic line the moulds move between these stations on a chain conveyor rather than by crane and hand.
Automatic Pole Production Line
The cage is welded from prestressed bar and spiral wire before the mould is closed. If the bar arrives in inconsistent shape or length, the welding station becomes the constraint for the whole line, which is why bar shape and cut length are agreed with the cage jig in mind.
After clamping and pumping, the bars are tensioned and the mould is spun. Spinning compacts the concrete against the mould wall and forms the hollow section. These stations are where worker protection matters most, and where conveyor handling removes people from the hazard.
Automatic Pole Production Line
Steam curing brings the pole to demoulding strength on a schedule the conveyor can hold. The mould returns to the start of the loop and the pole moves to stocking.
An automatic chain conveyor line holds a stable production cycle and runs with about 30 percent of the workers a traditional labour intensive line needs. Over the life of a plant that is a different cost per pole, not only a faster one.
A chain conveyor pole line that carries the mould through mixing, tensioning, spinning and steam curing on a stable cycle.
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Deformed steel rebar from 6 mm to 50 mm in coil, straight length or U shape, cut to the length you specify.
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First flagship pole and pile factory with cutting edge automated lines in the region, 600 units per shift.
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Customised semi automated pole factory completed quickly, 100 poles per shift.
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