Rollring Industries

Kozhikode, Kerala

we offer tailor made automatic layer winding machine to suit your;

• maximum coil outside diameter
• coil inside diameter
• coil height
• maximum size of wire / rectangular conductor

material :

• copper / aluminium
• enamelled wire from 0.3 mm to 6.0 mm
• rectangular conductor up to 70 sq.mm

mandrel :

we provide two options for mandrel;

1. machine with shaft for loading the mandrel
2. expandable mandrel

expandable mandrel specifications:

• diameter of the mandrel is finely adjustable with 8 number of segments.
• expansion range in each stage is 40 mm to 100 mm depending on the diameter
• segments can be added to increase diameter range
• maximum coil weight2000 kg

drive: ac motor with variable frequency drive

machine is operated by a foot switch. Reverse running is also provided

tail stock : expandable mandrel or mandrel shaft loaded between head stock face plate and tail tail stock pintle. Tail stock is assembled on a swiveling frame for easy removal of coils. Screw type arrangement provided for pintle movement

guide carriage: guide carriage is mounted on lm guide system with rail and runner block. Separate guide assembly is provided for wire and strips. Carriage will be moving and supporting the wire / strip with its guide along the length of machine.tensioning roller assembly with 6 no rollers is mounted on the guide carriage. Guide assembly for wire provided with pneumatically braked pulleys, and pulley mounted on an adjustable rod to guide the wire close to mandrel

traverse assembly :traverse assembly operated with ball screw, servo motor, servo drive, hmi, plc is provided for accurate control of winding

guide carriage is suitably mounted on lm block and rail

winding sequence according to the transformer design specifications can be programmed and recalled, through the hmi

brake : pneumatic disc brake
control panel :control panel with ac variable frequency drive, servodrive, plc, and accessories are supplied. Operating desk with hmi is suitably mounted on the machineoptional accessories

1. un-winder for wire with pneumatically controlled tensioning arm
2. de realer for rectangular conductor. Bobbins mounted on motorized trolley
3. full width insulation de-coiler (paper / ddp)
4. de reels for edge strips

Various models are available to suit customer requirement

Bobbin is loaded on a base plate with shaft and pintles

Traverse: By Rollring traverse assembly mounted vertically. Drive provided from bobbin shaft for automatic speed synchronizationWire guide assembly is mounted on a carrier with linear motion bearing and guide shaft

Drive: By AC Motor with variable frequency drive or Torque motor and dimmerstat. Capstan Assembly is optionally provided

Various models are available and offered against customer requirement

Drum holding: Pintle type. Pintle assembly mounted on columns with motorized lifting and lowering.Two no Column are mounted on a machined bed with motorized movement

Bobbin loading / unloading:Motorized loading and unloading.Pintles can be lifted and loweredas well as column can be moved for easy loading / unloading of the bobbin.

Take Up Drive: By suitable AC geared Motor with variable frequency drive . Motor operated in torque control mode

Traverse Assembly : Traverse assembly with ball screw, Servo motor and servo drive , HMI, PLC etc or Rollring traverse assembly can be offered .

Offered to suit customer requirement of max Coil out side dia, Coil Inside dia, Coil height, and max size of Wire / Rectangular conductor

Material : Enameled wire from 0.3 mm to 6 mm max.Copper/ Aluminum rectangular conductor up to 70 Sq mm max.

Distance between Centers: 1800 mm max

Center height from ground : 1000 mm

Mandrel: Mandrel shaft or Expandable mandrel supplied as per customer requirements . The mandrel shaft or expandable mandrel is mounted on the machine face plate and supported with the tail stock.

Expandable Mandrel: Diameter of the mandrel finely adjustable.Number of Segments. Eight .Expansion range in each stage . 40 mm to 100mm depending on the diameterSegments can be added to increase diameter range.Max coil weight 2000 Kg Max.

Drive : By AC Motor with Variable frequencydrive

Mandrel RPM : 400 RPM Max.

Machine operation by foot switchReverse running by selector switch.

Tail stock : Tail stock pintle assembled on a swiveling frame for easyremoval of coils. Screw type adjustment provided for pintle movement.

Guide Carriage: Guide Carriage is mounted on LM guide system with rail and runner block. Separate guide assembly provided for wire and strips. Carriage will be moving and supporting the wire / strip with its guide along the length of machine.Tensioning roller assembly with 6 no rollers is mounted on the guide carriage . Separate guide pulley assembly is provided for wire.

Brake : Pneumatic disc brake

Traverse Assembly:RollringTraverse Assembly is provided .The pitch can be very finely adjusted. Reversal will be instantaneous and automatic and end limits can be very finely adjusted. Drive to traverse provided from mandrel drive shaft for automatic speed synchronization.Electromagnetic clutch provided for disengaging the drive to traverse for manual correctionsGuide assembly for wire provided with pneumatically braked pulleys, and pulley mounted on an adjustable rod to guide the wire close to mandrel. Tensioning roller assembly provided for rectangular conductor.

Brake : Pneumatic disc brakeControl Panel. Control pane l with AC drive and accessories are supplied

Optional Accessories,

1) Un winder for Wire with pneumatically controlled tensioning arm

2) De realer for rectangular conductor . Bobbins mounted on motorized trolley

3) Full width insulation de-coiler (paper / DDP)

4) De reels for edge strips

For Copper/aluminum conductor up to 70 sq.mm. Max 64 bobbins

Mandrel shaft : 50 mm dia shaft with lock nut and drive plate mounted on machine face plate for loading different size of winding former

Optional Features :

Expandable Winding former (Mandrel) : The expandable mandrel is fitted on the machine face plate. Diameter of the mandrel will be adjustable. Suitable locking will be provided to lock the mandrel after adjustment. Multiple radial and axial supports are provided for supporting the wooden segments

Conductor Size :Paper covered Copper conductor - 4 X 12 mm, size up to to 70 sq mm

Reverse inching can be done

Head Stock- Equipped with face plate Driven by 10 HP AC Geared motor, Drive Transmission is by duplex chain, Mandrel rotation is foot controlled VFD is provided for the AC Motor

Tail stock- Assembled on a sturdy frame with Screw type adjustment for movement of Pintles.

Guide Carriage-Guide Carriage: Guide Carriage is mounted on LM guide system with rail and runner block. Carriage will be moving and supporting the conductor with tensioning roller assembly along the length of machine.

Traverse Assembly : Rollring Traverse Assembly.The pitch can be very finely adjusted. Reversal will be instantaneous and automatic and end limits can be very finely adjusted. Drive to traverse provided from mandrel drive shaft for automatic speed synchronization. Electromagnetic clutch provided for disengaging the drive to traverse for manual corrections

Control Panel- Supplied with AC variable frequency drive and accessories

Turns Counter- Mechanical / Electronic turns counter

De-realer for rectangular conductor. De-realer stand provided suitable for loading up to 64 bobbins

Bobbin loading :Shaft type, The bobbin stand mounted on trolley wheels movable with geared motor for length parallel to mandrel

We offer the machine with the required number of winding heads and suitable for your bobbin dimensions.Each Winding head is provided with individual motor, traverse assembly, tension controls and electronic counters.

Machine construction: The bobbins are mounted in line, one behind the other on a fabricated frame support with individual motor and traverse assembly. Machines are also offered with bobbins mounted in multiple rows one above the other.

Bobbin loading:Shaft type with pintle. Bobbin locking by nut with handle. Square thread provided on the shaft for easy loading / unloading of the bobbin.

Max Weight of Bobbin with material: 1100 Kg

Winding Speed 15 meters / minute : Take up speed automatically synchronized with pultrusion line speed and tension maintained uniform throughout the winding.

Traverse: Rollring traverse assembly. Traverse pitch, traverse stroke can be finely adjusted to have compact winding. Individual Traverse assembly is provided for each spool.

Bobbin drive:

1) By an AC motor with Variable frequency Drive2) Torque motor and dimmer stat

Length counter: Electronic length counter will be provided

Rewinding line consists of Take up stand, Traverse assembly and Pay off stand.

Tailor Made to suit drum dimensions and Max dia of cable

Drum Dimensions

Width: 475 mm - 1500 mm max

Pintle type drum holding mounted on sturdy housing on columns.

Bobbin loading / unloading: Motorized .

Pintles assemblies with housing can be lifted and lowered as well as column can be moved for easy loading / unloading of the bobbin. Columns movement as well as Pintle movement are motorized with AC geared motor.

Take Up Drive :AC Motor with reduction gear box. Line speed set will be maintained constant throughout the winding.

Traverse assembly :Traverse assembly with Rollring traverse unit or with Ball screw , Servo motor , HMI and PLC can be provided

Heavy duty Guide roller assembly is mounted on LM guide system with rail.Length Counter is provided.

Brake: Pneumatically operated Disc Brake

Bobbin flange dia range: 630 mm - 2500 mm

Bobbin loading / unloading: Motorized loading and unloading.

Tension control : Pneumatic disc brake with air pressure regulator

Brake: Pneumatic disc brake