1.Name

3000 Drum Twister with Steel Armoring

2.Application

The line is used for laying-up of large section, long length power cables. The line is for laying-up of pre-spiral (sector shape)or non-pre-spiral (round shape)cable cores. The line is used for steel wires armoring of power cables, too.

3.Main Parts:

4.Technical Specification & Structure of Main Components:

4.1 Φ3000 Rotating Pay-off Stand

4.1.1

Maximum rotating speed 30r/min

4.1.2

Maximum load 20t

4.1.

Pay-off reel size PN3000

4.1.4

Pay-off stand transmission fork type support by under roller

4.1.5`

Motor power rating N=45KW (AC)

4.1.6

Pay-off stand structure supported by under rollers

4.1.7

Pay-off tension 10-150daN

The pay-off tension is pneumatically controlled and adjustable at stationery or at operation condition.

4.1.8

Reel closing is by motorized PINTLES, driven by an independent motor.

4.1.9

Rotating pay-off rotates synchronous with rotating take-up, and inching rotation is control by operator.

4.1.10

Pneumatic braking device

4.1.11

Each rotating pay-off stand is equipped with an operation panel facilitating control of inching rotation or machine stop.

4.1.12

Loading and unloading of reel is by hydraulic lifting platform.

4.2 Φ2200 Rotating Pay-off Stand

4.2.1

Maximum rotating speed 30r/min

4.2.2

Maximum load 12t

4.2.3

Pay-off reel sixe PN2200

4.2.4

Pay-off stand transmission independent motor driven

4.2.5

Motor power N=22KW (AC)

4.2.6

Pay-off stand structure fork type cantilever structure

4.2.7

Pay-off tension 10-150daN

The payoff tension is pneumatically controlled and adjustable at stationery or at operation condition.

4.2.8

Reel closing is by motorized PINTLES, driven by an independent motor.

4.2.9

Rotating pay-off rotates synchronous with rotating take-up, and inching rotation is control by operator.

4.2.10

Pneumatic braking device

4.2.11

Each rotating pay-off stand is equipped with an operation panel facilitating control of inching rotation or machine stop.

4.2.12

Loading and unloading of reel is by hydraulic lifting platform.

4.3Sector Position Detector:

4.3.1

Sector position detector is of integrated type for detecting the position of each individual sector cable core, there are 5 sector position detectors mounted on a fixed plate, each sector position detector is composed by one pair of rotatable sector-shaped compression rollers, sector-shaped compression rollers compress onto sector cable core, rotates along with sector cable core, detecting the position of sector cable core.

4.4Three Row Cables Assembly Die Set:

4.4.1

Three-row wire die stand consists of a die plate and two forward/backward movable die set, using for laying-up of power cables.

4.5Rotating Die Set:

4.5.1

The rotating die set equips with a 1.5KW motor which driven a rotatable dies set and rotating synchronously with rotating take-up, use for steel wire armoring process.

4.6Taping Head (non-metallic tapes)

4.6.1

Outer diameter of cable core (maximum) Φ120mm

4.6.

Tape pad size (OD x ID) Φ600mm x Φ80mm

4.6.3

Tape width 15～80mm

4.6.4

Maximum rotating speed of taping head 800r/min

4.6.5

Tape material: polyester tape, non-woven tapes, glass tapes, semiconductor tapes, etc.

4.6.

Taping tension 2.5～15daN

Mechanical tension control

4.6.7 20～208mm

Taping pitches

4.6.8

Taping head structure 2 pads, Eccentric

4.6.9

Pitch changing is step-less

4.6.10

Pneumatic braking device

4.6.11

Taping head is driven by an AC motor 15KW, frequency inverter control, having function of left right rotation, auto stop. Having tension feedback function, constant tension is guaranteed from full tape pad to finishing of tape pad.

4.6.12

Taping head is having function of auto stop at tape breakage.

4.6.13

Tape head door is of sliding door type, pleasant outlook appearance and it is easy for maintenance and loading of tape pad.

4.7 Taping Head (steel tapes)

4.7.1

Outer diameter of cable core (maximum) Φ120mm

4.7.2

Steel pad diameter Φ600mm

4.7.2

OD x I D x Width) Φ200×Φ120×(15～60)mm

4.7.3

Maximum rotating speed of taping head 500r/min

4.7.4

Tape material steel tapes

4.7.5 20～305mm

Tape pitch

4.7.6

Taping tension 2.5～30daN

(

Mechanical tension control

4.7.7 Taping head structure 2 pads, Eccentric

4.7.8

Pneumatic braking device

4.7.9

Taping head id driven by an AC motor 18.5 KW, frequency inverter control, having function of left right rotation, auto stop. Having tension feedback function, constant tension is guaranteed from full tape pad to finishing of tape pad.

4.7.10

Taping head is having function of auto stop at tape breakage or ending of tape pad.

4.7.11

Tape head door is of sliding door type, pleasant outlook appearance and it is easy for maintenance and loading of tape pad.

4.8 Steel Wires Armoring Device:

4.8.1

Number of pay-off bobbins 100pcs

4.8.2

Pay-off bobbin Coil type (size provided by users)

4.8.3

Diameter of steel wire (low carbon steel) Φ1.3～4.0 mm

4.8.4

Maximum pay-off tension 20Kg

4.8.5

The wire pay-off stands are placed along center line on both sides of the line. Pay-off stand at each side is double deck arrangement which can accommodate 50 steel wire coils.

4.8.6

Pay-off tension is controlled by mechanical friction, and is adjustable.

4.8.7

Pre-forming head and deviation guiding rollers group for steel wires are provided.

4.96T Rotating Belt Caterpillar:

4.9.1

Maximum linear speed 50m/min

4.9.2

Maximum pulling force 6000daN

4.9.3

Maximum OD of passable cable Φ120mm

4.9.4

Maximum rotating speed 30r/min

4.9.5

Haul off is by means of pneumatically compression and tensioning of top & bottom flat belts.

4.9.6

Pneumatic braking device

4.9.7

Caterpillar transmission independent motor driven

4.9.8

Caterpillar motor power N=55 KW (AC)

4.9.9

Caterpillar is having meter counter.

4.9.10

The haul-off belt caterpillar is of new design, used timing tooth belt for coupling instead of gearbox transmission, noise level is reduce and oil leaking problem is eliminated. Belt caterpillar has self-centering function, damaging of cables is avoided.

4.10 Φ3000 Rotating Take-up Stand with Traverse

4.10.1

Maximum rotating speed 30r/min

4.10.2

Maximum load 20t

4.10.3

Traversing pitch Φ25～Φ150mm

4.10.4

Take-up reel PN3000mm

4.10.5

Take-up stand structure fork type support by under roller

4.10.6

Take-up motor power rating N=7.5KW(AC,2units)

4.10.7

Reel closing is by motorized PINTLES, driven by an independent motor.

4.10.8

Traversing is by AC motor,frequency inverter control. Traversing pitch can be set and adjusted on operation touch screen, traversing direction changes automatically, traverse movement is swift. Traverse direction and inching movement can be set on operation touch screen.

4.10.9

Take-up is by AC motor. Maximum winding tension can reach above 250daN. Winding tension can be set, adjusted on operation touch screen and rotation direction of take-up can be set on operation touch screen.

4.10.10

Pneumatic braking device

4.10.11

Rotating take-up is coupled with transmission main shaft. Rotating take-up is having function of left right rotation, stop function.

4.10.12

Loading and unloading of reel is by hydraulic lifting platform.

4.11Electrical Transmission and Control System

4.11.1 380V ±10% 50HZ

Power supply: three phase five wires, 380V ±10% 50Hz.

4.11.2

Main transmission, taping heads, haul-off caterpillar, pay off stands, take-up stand of the line are using AC motor of frequency inverter control. Frequency inverters are DANFOSS. Speed tracking is by grating encoder. Line control is managed by SIEMENS PLC. Synchronous rotation of rotating pay-offs and take-up is guaranteed. SIEMENS touch screen for setting and display the line production parameters.

4.11.3

Protection measures of the line are as follows:

4.11.3.1

Level protection for all pay-offs and take-up forks

4.11.3.2

Reposition protection for all hydraulic lifting platforms

4.11.3.3

Over-limit for traversing

4.11.3.4

Tape-breaking and tape-ending

4.11.3.5

Taping head safety shield.

4.11.3.6

Low-pressure for compressed air

4.11.3.7

Cooling fan for of main motors

4.11.3.8

Emergency stop for the line

4.11.4

Main electrical components

4.11.4.1

Main frequency inverters are DANFOSS products, via PROFINET main line control, feedback is by encoder.

4.11.4.2

Touch screen is SIEMENS 10 inches color screen.

4.11.4.3.

SIEMENS S7-1500 PLC

4.11.4.4

Main low voltage electrical components are Suzhou Siemens or Chinese famous brand TIANSHUI 213 products.

5. Main Features

The line is control by PLC for regulating, starting, operation and synchronization of respective electric motors. Electrical control system is advanced, easy and reliable operation.

Independent motor driven is used for rotating pay-off stands, taping heads and belt caterpillar respectively, lay length is precision and stable. Independent motor driven rotating pay-off stands rotate synchronously with rotating take-up, can also rotate independently. Rotating take-up stand is supported by under rollers enhanced structure rigidity, reliability and stability of rotation. The line is provided with various protection measures and auto stop function if there is any fault, easy and reliable operation.