Concrete Spc Pole Factory is used to produce spun prestressed concrete circular poles to be used for electricity transmission lines. Accoridng to different power request, there is LV, MV and HV concrete poles for power transmission . With different technology of concrete pole production, there is different concrete pole machine customized like concrete spc pole mould , centrifugal spinning machine, prestressing head and plates , HT wire prestressing machine, button heading machine etc.
The Spc pole Machinery & Equipments and associated parts specified in this Section shall conform to the latest edition of the international standards for operation in local ambient conditions. Design,
Manufacture, Testing and Performance shall be in accordance with latest revisions of BS, IEC, ANSI or other equivalent internationally acceptable standards. The Flow Chart for Production line as below:
The specification is to cover design, manufacture, testing & inspection of Machinery & Equipments to set-
up a New Spun Pre-stressed Concrete (SPC) Pole Factory having following production capacity:
Spun Pre-stressed Concrete (SPC) Pole of 140 to 350mm Tip Dia and 9 to 18
meter Long with different breaking load/Dan.
2. Factory Production Capacity
The production capacity based on 4 nos. of centrifugal spinning machining each
with15minute (Min) spinning time per spc pole, and production capacity of the SPC
Manufacturing Factory at least 96nos.pole/10 hrs.
Complete Concrete Weigh Batching,Mixing Plant
General The Concrete pole Weigh, batching, Mixing and pouring Plant will be a complete system ensuring an output of minimum 1m 3 of concrete per batch after weighing, batching and mixing of concrete for concrete pole production request, the concrete will be discharged through hopper where Concrete Feeding/Filling Machine will fill concrete mixture into a lower concrete pole mould.
3. Automatic Concrete feeding machine System
General Automatic Concrete feeding and Pouring System shall be combined
with one unit of Automatic Concrete Pouring machine, 2
unit of concrete filling cart and one unit of input chain
Automatic Concrete Pouring machine unit
Filling fresh concrete for pole mould of SPC.
Type Bi-directional screw feeder, one direction at a time, loss-in-weight type, hopper volume not less than 2m²
4. Tension Machine
General of Tension Jacking Designed for pre-stressing PC bars simultaneously prior to centrifugal spinning process. Hydraulic type Tension Jack consists of a hydraulic cylinder and digital pressure
Indicator for simultaneous pre stressing the w elded cage of P.C. wire with exact and equal tension on all P.C wires and pre-stressed concrete poles by simply pressing a control button. This tension jack is center-hole type for simultaneously tensioning equipped with coupler( male and female coupling) , tension shaft, ram chair, Hydraulic up-down system (cylinder with support and height adjustment, and hydraulic pump with pressure guage)
complete with mounted on 4-wheel stand and programmed tensioning force of each size of concrete spun pole control panel including roll-tape printer of each tensioning.
5. Centrifugal Spinning Machine
General of Spinning Machine
1no.of Centrifugal type double mould Spinning Machine and 2 nos. of Centrifugal type single mould Spinning
Machine is required to spin pre stressed PC wire cage and concrete filled complete PC Pole mould for compaction of concrete during spinning process. It should consists of Drive Roller with drive-shaft fixed with bearing, Idle Roller with bearing, Machine Bed, and computerized RPM and Speed control in 4 step (min) , and drive DC Motor with pulley and drive belt. The
complete machine is to sustain long-term and heavy duty operation for spun cast of Pole in any length from 9-12m pole and 15m pole. All of shaft, bearing block, drive rollers, idle roller and machine bead are to be machined.
Steam Curing Chamber Cover for curing chamber Steel fabricated and insulated cover for 8nos. steam curing chamber, complete with sufficient hooks to lift or close cover to and from curing chamber. E ach chamber
containing minimum 10 moulds. Cover having minimum 2.9m(W) x 19m(L) x 0.2m (T) rectangular shape welded construction & using minimum 100channel steel construction. Insulation of Glass wool (minimum thickness 100mm) inside of cover.
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