Crossite Sleeper Prestressing Wire Stranding Machine With DIN1120 Bobbin Size

Product Specification

Crossite Sleeper Prestressing Wire Stranding Machine With DIN1120 Bobbin Size

Equipment description:

1.Skip stranding machine 1+6×1120

 For the skip stranding machine, each set consists of 7 pieces of 1120 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                     DIN1120

Dia. of flange                  1120mm

Dia. of barrel                   630mm

Total width                      964mm

Inner width                      840mm

Max. weight                    4000kg

2.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

3. Constant tension system

   Two fixed wheel carriers and 1 movable wheel carrier, which can move up and  down, are loaded on one bracket. An air cylinder is with the movable wheel carrier to balance the tension between the tensioning system and wire receiving & release device. 

4. 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

               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