Hairpin

Hairpin Lineup

Bestec’s Hairpin Motor Line is an advanced, fully automated solution that integrates every process — from wire straightening and stripping to hairpin forming, insertion, layer widening, twisting, and welding. Our unique rectangular wire handling and precision control technologies deliver high-speed, stable winding quality. With over 45 years of experience, Bestec customizes each system to meet production needs across EV motors, industrial equipment, and home appliances.

• Wire Straighten, Strip, and Cut Machine
  – Unwind rectangular wire from a wire bobbin with straightening. Stripping is done by molds or other methods. This unit is connected to hair pin forming unit.
  – Unwinding, Straightening Unit
  – Stripping, Cutting Unit

• Insulation Paper Insert Machine
  The machine folds, shapes and inserts insulation papers into the slots of a core from a paper roll. O-shape folding is usual. Cuffs version can be optional.

• Hairpin Forming Machine
  As one of forming methods, Bestec introduces combination of 2D and 3D forming separately. Another way is all forming on 1 machine. Either way can be connected to automation line

• Hairpin Coil Assemble in Sub-basket Machine
  The machine inserts hairpin coils into basket by each layers. Different shape of coils are handled by changing cassette of coils by automatic or manual operation.

• Hairpin Coil Insert into Core Machine
  The machine picks up hair pin coils assembled in the basket, then inserts them into the core with caring insulation paper damage risk.

• Hairpin Coil Layers Widening Machine
  As a preparation of twisting at next process, widening layers is necessary. The machine applies a way of widening: using a circle jig to widen layers at multiple times.

• Hairpin Coil Twisting Machine
  The machine twists open side hair pin with each 2 layers. The height of coil legs is controlled at this process so trimming is not necessary for next welding process.

• Hairpin Coil Welding Machine
  The machine is composed from a welding unit such as laser or TIG according to customer’s request.

• Hairpin Coil Machines for Trial
  The machines are for sampling at trial stage with lower lead time and cost at hairpin forming, stripping, and coil layer widening.
  -2D Bending
  -3D Forming
  -Stripping
  -Coil Layer Widening

Stand-alone or automation line is available for all machines.

For more information about BESTEC products, please send us an email at info@gmius.com

Global Manufacturing Inc is Sales Technical Service Agent for USA and Mexico.