Hairpin
Machines for Hairpin Stator
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

Hairpin Complete Automatic Lines
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.
Stand-alone or automation line is available for all machines.
For more information about BESTEC products, please send us an email at info@gmiusonline.com
Global Manufacturing Inc is Sales Technical Service Agent for USA and Mexico.