From complete automated flat-wire hairpin installations to sub-micron motor bearings and casting systems, Nakro delivers integrated production cells configured to European electrical engineering standards.
High-speed hairpin wire forming, paper insertion, CNC twisting, and continuous TIG/laser welding for heavy-duty electric drivetrains.
Low-noise, low-vibration precision bearings built to support high-RPM brushless DC rotors, industrial fans, and power equipment.
Automated high-pressure rotor casting cell delivering dense structural integrity and minimal electrical porosity for rugged squirrel-cage rotors.
Ultra-wear-resistant copper planar commutators for specialty DC industrial starters, automotive modules, and universal machine armatures.
Dual-flyer high-speed rotor winder with dynamic servo tensioners, program recipe storage, and automated hook index fusing capabilities.
Simultaneous coil and slot wedge push station designed for industrial pump stators, ventilation blowers, and general machinery cores.
Dense electrographite and metallized graphite formulations ensuring superior contact conductivity, minimum spark erosion, and extended MTBF.
Next-generation turnkey cell engineered for multi-layer flat copper bar winding, end-turn twisting, laser stripping, and automated varnishing.
Kharkiv stands as Ukraine's traditional epicenter of electromechanical engineering, heavy machine tool construction, and aerospace research. As regional manufacturers modernize production lines, BLDC and PMSM motor adoption is accelerating across mission-critical sectors.
Kharkiv's heavy industrial factories require severe-duty servo drives and BLDC motor assembly cells to build modern CNC lathes, turbine auxiliary motors, and metallurgical automation components requiring multi-pole high-torque density.
Leveraging deep academic ties with aerospace institutions in Kharkiv, local facilities deploy high-precision slotless BLDC winders and dynamically balanced PMSM stator systems for flight actuator controls, drone propulsion, and guidance systems.
With Kharkiv being a primary industrial agricultural equipment hub, high-power BLDC traction motors, electric hydraulic pump drives, and seed-metering stepper motors demand ruggedized automated winding, vacuum pressure impregnation, and thermal surge protection.
Regional infrastructure rehabilitation relies heavily on high-efficiency BLDC generator units, micro-wind alternators, and variable-frequency water pumping drives requiring high copper fill factors and slot insulation reliability.
Modern logistics and urban delivery initiatives throughout Eastern Ukraine accelerate the need for outer-rotor brushless hub motors and brushless planetary gearmotors engineered on Nakro's turnkey flexible assembly lines.
Urban infrastructure modernization across the Kharkiv oblast focuses on replacing aging induction units with IE4 and IE5 efficiency permanent magnet synchronous motors (PMSM), requiring precision automated needle winding and slot-wedge insertion cells.
An in-depth whitepaper analysis on replacing legacy commutator motors, transitioning to hairpin windings, and building decentralized production resilience.
For decades, Eastern European industrial machinery relied heavily on brushed universal and traditional wound-field DC motors. In Kharkiv's manufacturing ecosystems today, maintenance overhead, brush wear friction, and high power losses have made this architecture unviable. Industrial buyers are shifting capital expenditure directly toward brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) production equipment.
The core advantage of automated BLDC manufacturing lies in the elimination of mechanical wear items (commutators and carbon brushes), shifting commutation to electronic controller algorithms. Nakro equips Kharkiv manufacturers with automated needle winding systems capable of direct multi-strand slot winding, achieving slot fill factors exceeding 62%, drastically improving thermal dissipation and power-to-weight ratios.
As transportation electrification and specialized tactical machinery become focal points in Ukraine, round-wire winding is giving way to rectangular flat-wire hairpin technology. Flat-wire conductors maximize copper area within stator slots, achieving fill factors higher than 75% while dramatically shortening end-turn heights.
| Manufacturing Metric | Traditional Manual / Semi-Auto Lines | Nakro Integrated Automated BLDC Lines | Impact on Kharkiv Facilities |
|---|---|---|---|
| Cycle Time (Stator Core) | 120 – 180 seconds / unit | 18 – 35 seconds / unit | Enables rapid local supply-chain self-sufficiency |
| Slot Copper Fill Factor | 38% – 45% (Round wire) | Up to 65% (Needle) / 78% (Hairpin) | Reduces energy losses; lowers operational electricity costs |
| Quality Verification | Off-line batch sampling | 100% Inline Hipot, Surge & Back-EMF | Guarantees zero defective units deployed in critical infrastructure |
| Tooling Changeover | 4 – 8 hours manual realignment | 15 – 30 minutes quick-clamp recipe recall | Provides high flexibility for diverse short-run motor designs |
Modernization in Eastern Europe requires agile manufacturing cells capable of quick tool changeovers. A single Nakro assembly line can be adjusted via servo recipe management to produce three to five stator stack diameters (e.g., 45mm to 120mm stator OD), allowing Kharkiv manufacturers to pivot flexibly between municipal pump drives, cooling fans, and specialized mobility motor orders.
Combining over 14 years of turnkey machine manufacturing with end-to-end component sourcing, Nakro eliminates procurement friction for international industrial plants.
From stator lamination stack cleating and slot paper insertion to multi-axis needle winding, terminal hot staking, dynamic balancing, and end-of-line electrical testing.
Beyond machinery, Nakro supplies matching 608ZZ high-precision bearings, commutators, carbon brushes, slot insulating papers, shafts, and permanent magnets.
Our dedicated engineering department constructs custom winding nozzles, wedge cutters, and insertion fingers tailored specifically to client lamination CAD drawings.
Exporting to more than 50 countries under ISO 9001 quality management, with complete CE compliance and verified factory run-off trials prior to overseas shipment.
Specific technical, logistical, and commercial answers for Ukrainian engineering managers and international purchasing teams.
Yes. Our engineering process begins with your 2D and 3D stator/rotor CAD drawings (.DXF, .DWG, .STEP). Whether you utilize traditional Ukrainian industrial lamination geometries or modern European IEC/EN-compliant silicon steel sheets, we custom-engineer winding needles, slot shoe guides, wedge magazines, and insertion fixtures to prevent lamination tooth deformation and wire abrasion.
We perform rigorous Factory Acceptance Testing before crating any machinery. Clients send sample copper wire and punched stator laminations to our Ningbo testing facility. We run trial batches, record high-resolution multi-angle video of full cycle operations, conduct real-time video conferences, and measure sample parts with comprehensive CMM and electrical insulation reports (surge, resistance, hipot) for formal client approval.
Nakro offers FOB, CFR, and CIF commercial terms. Shipments intended for the Kharkiv industrial region are routed via primary European seaports (e.g., Constanța, Romania or Gdańsk/Gdynia, Poland) and moved via bonded overland rail or cross-border truck freight directly to designated bonded terminals or client facilities in Ukraine. We provide heavy seaworthy fumigated wooden crates with VCI anti-corrosion barrier packaging.
All Nakro machinery utilizes standardized industrial controllers (Siemens / Mitsubishi / Omron PLC) with multi-language HMI interfaces (English, Polish, German). We provide comprehensive electrical schematics, foundation drawings, and step-by-step video commissioning manuals. Remote diagnostic VPN gateway modules allow our engineers to inspect, tune, or update PLC algorithms remotely in real time. On-site commissioning engineers are deployed via partner arrangements where feasible.
We accept international wire transfers (T/T) and Irrevocable Documentary Letters of Credit (L/C at sight). Payment transactions can be settled in USD, EUR, or CNY to facilitate international commercial arrangements.
Yes. Every assembly line comes with a recommended two-year critical spare parts package (including spare winding needles, cutting blades, pneumatic valves, and proximity sensors). When your production line introduces a new motor model with differing stack heights or slot counts, our R&D team fabricates and expresses modular replacement tooling that drops directly into your existing machine base.
Submit your stator/rotor specifications, annual target capacity, and automation requirements. Our engineering team will review your drawings and deliver a comprehensive turnkey proposal within 24 hours.
