Precast Concrete Reinforcement Annealing Diameter 12.7 Mm PC Wire Wire Machine

Standards of products

GB/T5224-2003, American Standard ASTM-A416-2002, Japanese Standard, European Standard

Raw material

The PC strands are drawn from good quality carbon steel hot rolled coils and then twisted.

Skip stranding machine 1+6×1250

For the skip stranding machine, each set consists of 7 pieces of 1250 bobbins, is driven by single motor. The transmission shaft and

Rotating body are connected by synchronous belt. With stable lay pitch, it guarantees the lay lengths of stranded wires in different dimensions are in accordance with GB/T5224-2003. Big size bearings support the threading barrel to get enough space and make threading very easy. Each revolving part are connected with one another by a GRP cambered plate, which enables it reach the speed request of higher stranding machine. 7 single wires pass through each own position without interference with each other. The bracket of cylinder escapement is movable, makes it easier for transfer and balance adjustment. Damping system is loaded on the bracket to adjust the mutative tension of each single wire during production. Integrative bottom frame can make sure the bunching machine works steadily.

Max. Rotating speed 680rpm

Driving motor A/C, 90KW, 1500rpm

Bobbin size DIN1250

Dia. of flange 1250mm

Dia. of barrel 630mm

Total width 964mm

Inner width 840mm

Max. Weight 4000kg

Composing die and Deformer

Different composing dies are loaded inside the die box for different size of wires. Manually adjusted by guide screw.

Each deformer wheel is manually micro-adjusted, hydraulic cylinder opening to prevent broken lot strands

Tension system

Tensioning system consists of two sets of tension equipments. Two tension wheels rotate same way and make the wire tensioned between the wheels. The wheels are welded by 42CrMo forged rings, machined tooled and then quenching processed, with surface hardness of HRC≥58. Cone gears are used in speed reducer.

Max. Speed 100m/min (Ø15.24)

Max. Tension 155000N (Ø17.8)

Motors: No.1 A/C, 250KW, 1000rpm

No.2 A/C, 200KW, 1000rpm

Dia. Of wheel: 2×2050mm

Number of driver groove 5, V shaped

Number of No.1 wheel groove 4, U shaped

Number of No.2 wheel groove 4, U shaped

Wire pay off/Take up device

The device composes of 2 independent bobbins, each of which is with the weight capacity of 30 tons. The two bobbins work alternately, one for wire paying off and the other for wire taking up.

Max. Speed 160m/min

Motors: No.1 A/C, frequency variable, 45KW

1000rpm, 2 sets

Motors: No.2 A/C, frequency variable, 2.2KW

1500rpm, 2 sets

Dia. of flange 2800mm

Dia. of barrel 1000mm

Inner width 1500mm

Max. Weight capacity 3000kg

Intermediate frequency tempering furnace

Use full digital microprocessor control circuit to closed-loop control of equipment output power and running speed, realizing automatic tracking function of power and speed. . In order to insure control the tempering temperature at ±8℃of steel strands ( thermodetector will show temperature), machine will use movable heating method. Once equipment stay in normal running program, steel stranding wire can reach the process required temperature in short time, this can avoid the non-tempering wire when re-start, reduced metal consumption.

Rated power: 600Kw

Processing temperature: 380-420℃

Stranding machine 110Kw, tension device 200+250 Kw, intermediate frequency tempering furnace 600 Kw paying off and take-up wire device 2x45Kw+ 2x2.2 Kw, layer winding machine 37 Kw, wire traverses 1.5 kw.