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1250D High Speed Double Twist Strander
1250D High Speed Double Twist Strander

1250D High Speed Double Twist Strander

This equipment is dedicated to twist aluminum and copper round compress conductor.This project contains a external rotation pressure die structure, and provide the required traction used for compress conductor, when the conductor compress, the take-up part of bundling machine will obtain, and have a special line way to reduce torque between rotating traction wheel and take-up bobbin, can ensure that there is a good round conductor.
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1250D Main parameter

-Wire diameter of wire inlet: Φ1.0mm-3.0mm /7cores(copper wire )

Φ2.0mm-Φ6.5mm/2-4cores(PVC wire)

-Conductor section area of stranding: 3.5-50mm2

-Lay range(copper and aluminum): 40-350mm. Thumb wheel type setting automatic calculation and adjustment.

-Wire diameter of stranding:

-Copper wire: Φ3.0mm-7.9mm

-PVC wire diameter:Φ5.0mm-9mm.

-Stranding section (flexible strands):3.5-70mm2, strands of copper wire inlet: Φ1.0mm-4.5mm

-Stranding section (1 + 6): 3.5-50mm2

-Compacted copper:3.5-50mm2

-Compacted aluminum:3.5-70mm2

-Maximum line speed:150m/min

-Direction of twisting: S.Z. (Left and right twisting direction can be selected).

-Speed of rotation body: 800 RPM/MAX. (1600 Twist), normal working speed:500RPM


Main frame: 55KW AC Motor + inverter control

Capstan: 30KW AC Motor + inverter control

Spool tension: 7.5KW AC Motor + inverter control

Traverse unit: 0.75KW induction motor + inverter control

Rotation die stand: 0.75KW induction motor + inverter control

-Spool drum size: Max 1250mm

Spool load capacity: Max 5000KG

-Power source: 380V, 50Hz(or depend on customer’s requirement)

-Drum loading and unloading :

Type: Motor shaftless type.

Bobbin load /unload:by electric hydraulic lifting platform control

-Low noise design: Main machine noise is insulated by safety cover, noise below -80db.

-Brake: Adopt pneumatic brake.

-Control: PLC system control.

-Siemens Inverter control.

-Wire-broken stop indicate, and own pneumatic clamping device.It avoids to break wire during producing wire or threading wire on machines.

-Meter reached will be stop.

-Safety limit control.

-Lighting control inside machine.

-Used air pressure: 6Kg/cm2.

-Add a side door at back of safety cover to convenient maintenance.

-Add pressure wheel at the meter counting wheel.

-Carbon brush connection to use the cable.

Equipment content

-Wire inlet

-Base of the inlet wire

-Synchronous transmission system


-Part of rotation body

-Bow part

-Cradle part

-Wire though die

-Traverse part

-Capstan part

-Adjustment part of spooling tension

-Suitable spooling tension adjustment part

-Bobbin load/unload part

-Stranding pitch setting part

-Electric control part

-Safety cover part

-Lubrication method

-Brake part

-Spare part

-Compression device

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