• In single-layer, two-layer or special design
• State-of-the-art manufacturing technologies, e.g.: Automatic winding machines, pull-in machines, slot folding machines, and welding equipment
• Manual winding is also offered
• Insulation techniques: Resin-Rich system, polyester VPI or epoxy VPI (vacuum pressure impregnation)

Technical specifications

• Mean winding length up to 3.5 m
• Maximum weight up to frame size 800: 8 t
• Manual windings for the frame sizes 150 - 800
• Pulling in of the windings for the frame sizes 132 - 450 (for series)
• High-temperature windings for short-time overtemperatures
  (400 °C/2 h; 600 °C/1 h)
• Mush wire slip ring rotors up to 6 t
• Mush wire rotor windings
• HV mush windings up to 6.6 kV
• Converter-compatible windings
• Stranded-wire windings

Further winding types and larger dimensions and weights possible upon request

• Smaller dimensions primarily for traction machines
• Coil dimensions are possible up to a fish length of 5.6 m
• Insulation techniques: Resin-Rich system, polyester VPI or epoxy VPI (vacuum pressure impregnation)

Technical specifications of form-wound coils in general

• Starting from stator inner diameters of 300 mm
• Spread angle: 0 ... 140°
• Chord (spacing between the slots): 120 ... 1,200 mm (up to less than 200 mm hand bandaging)
• Length of the straight core part: 280 ... 3,500 mm
• Cross-section of the straight core part: 5 x 15 mm ... 25 x 70 mm (but max. 1,400 mm)

Clarification of the feasibility of other dimensions upon request

• For generators and special motors
• Manufacture of Roebel windings with bars up to a total length of 10 m and up to a rated voltage of 21 kV
• With VPI only up to a laminated core length of max. 4 m
• Insulation techniques: Resin-Rich, epoxy VPI (vacuum pressure impregnation)

Technical specifications:

• Minimum cross-section of the insulated conductor: 4 x 1 mm
• Maximum cross-section of the insulated conductor: 16 x 4.5 mm
• Number of conductors per half-bar: 80
• Maximum conductor length after cutting into length: 10,100 mm ± 2 mm
• Maximum number of bends: 180° / 360° / 540°
• Special twisting of the Roebel bars possible

We manufacture field windings in different variants:

• Wound of insulated flat or round wire
• Bare copper wire wound upright
• Soldered together from single copper parts

Technical specifications of the field winding welding machine:

• Minimum coil inner dimensions - width: 140 mm
• Minimum coil inner dimensions - length: 1,100 mm
• Maximum coil outer dimensions - width: 1,000 mm
• Maximum coil outer dimensions - length: 3,000 mm
• Maximum total height of the coil: 320 mm
• Maximum weight of the coil: 1,200 kg
• Maximum conductor width: 105 mm
• Conductor height: 2 ... 7 mm; greater conductor heights must be verified for feasibility by way of a soldering test

It is one of the special fields of PARTZSCH Spezialdrähte GmbH: We develop special wire insulation for special applications.

Slip-on coils

• Irrespective of their size
• On the basis of drawings or the original coil
• Coils with cranked winding overhang and pull-through windings are also possible

Technical specifications:

• Up to subassembly size 1500
• Up to a weight of 14 t
• Up to a nominal voltage of 690 V

Converter-compatible windings

• Specially developed insulating technique suitable up to a rated voltage of 690 V without limitation of the voltage ramp rate by way of filter circuits

Technical specifications:

• Mean winding length up to 3.5 m
• Maximum weight up to subassembly size 800: 8 t

Further winding types and larger dimensions and weights possible upon request.

High-temperature coils

• For fume and heat extraction systems
• An insulation system is installed to ensure that the systems can be operated at ambient temperatures up to 600 °C over a certain time.
• Development of a type series of 4- to 12-pole motors in subassembly sizes from 180 to 315