Stator Coil Winding & Insertion Systems for Rijeka Plants
Engineered to integrate seamlessly into Croatian production lines, our CNC and semi-automated machinery delivers high slot fill ratios, zero wire abrasion, and tight end-turn geometry across varied lamination profiles.
4 Stations Internal Stator Winding Machine
- Synchronous 4-station cyclic indexing
- Multi-pole internal slot direct fly-fork winding
- High-speed servo tension control
Stator Coil Winder for Cooler & HVAC Motors
- Industrial evaporator & pump stators
- Dual-spindle auto jump & wire trimming
- Programmable turn count & layering
Fully Automatic Motor Coil Winding Center (220V)
- Heavy-duty plant automated continuous cycle
- Industrial color touch HMI + recipe memory
- Optimized for neat nesting onto transfer tooling
Semi-Automatic Fan & Pump Stator Coil Winder
- Wire range: 0.1mm - 1.2mm Cu / Al
- 220V 50Hz single phase compatibility
- Fast tooling switchover for batch changes
High-Efficiency Automatic Fan Motor Coil Winder
- Automated winding, hooking, and cutoff
- Compatible with high-spec round magnet wire
- Zero enamel scratching guaranteed
SC45# Precision Steel Motor Shaft Components
- Normalized SC45# high-torque steel alloy
- Precision ground bearing seats (h6 tolerance)
- Ready for rotor core hydraulic press-fit
HF-R40-2G Dual-Station Stator Coil Winder
- Independent dual CNC microcomputer control
- Dedicated to internal slot multi-pole cores
- Heavy rigid cast-iron damping chassis
Two-Station Transformer & Outer Stator Winder
- High-torque winding for heavy wire gauges
- Synchronous dual-mandrel winding cycle
- Suitable for marine power conversion coils
Precision Stator Coil & Wedge Insertion: Technical Foundations
In modern industrial electric motor manufacturing, the transition from discrete coil winding to full core insertion represents the most critical thermodynamic and mechanical bottleneck. For plants operating across Primorje-Gorski Kotar County and the greater Kvarner industrial zone, achieving high volumetric electromagnetic efficiency without compromising wire dielectric strength is the primary operational mandate.
A dedicated winding insertion machine executes a dual-action cycle: simultaneously drawing copper or aluminum magnet wire coils and driving custom-formed slot insulation wedges into the semi-closed stator slots in a single mechanical stroke. Traditional manual or semi-automated insertion methodologies suffer from two persistent points of failure: axial friction that shears the ultra-thin enamel coating (leading to micro-shorts during phase-to-phase surge testing) and irregular slot wedge tensioning that causes wedge dislocation under heavy marine motor vibrations.
The Mechanics of Simultaneous Insertion: Our equipment utilizes high-precision pushrod guide fingers precision-machined from Swedish imported tool steel (DC53 or SKD11) and vacuum-heat-treated to HRC 60-62. As the servo ram translates upward, the guide fingers accurately spread the stator slot openings while internal pushing blades transfer the pre-wound coil bundles. Simultaneously, the magazine-fed wedge guides advance creased DMD, Nomex, or polyester insulation wedges directly behind the copper strands, securing the slot liner before the insertion fingers retract.
This coordinated servo kinematics guarantees an electromagnetic slot fill factor of up to 78% to 82% in industrial induction motor laminations—a metric unachievable via manual hand-insertion. High slot fill directly correlates to reduced copper I²R resistive losses, higher torque density, and compliance with the European Union’s mandatory IE3 and IE4 Ecodesign efficiency standards (EU Regulation 2019/1781).
Localized Industrial Integration in the Rijeka Market
From coastal shipyard repair bays to advanced maritime logistics electrification, our stator winding and insertion equipment is tailor-engineered for the unique operating conditions of Kvarner Bay.
Maritime Propulsion & Auxiliary Motors
Rijeka’s legacy in heavy shipbuilding and repair (surrounding Viktor Lenac and 3. Maj shipyards) demands heavy-duty marine duty auxiliary motors. Ballast pumps, bow thruster drives, anchor winches, and marine HVAC blowers operate under severe ambient salt mist and thermal shock. Our insertion machines handle Class H (180°C) double-insulated magnet wire and heavy Nomex composites without creasing or tearing slot paper, ensuring Lloyds Register and DNV classification standards are met.
Port Logistics & Shore-Side Electrification
With massive logistical investments into the Port of Rijeka, including the Zagreb Deep Sea Container Terminal and modernized Brajdica terminals, there is surging regional demand for automated rewind, assembly, and maintenance of variable-frequency crane motors, automated guided vehicles (AGVs), and shore-power converter drives. Our multi-station equipment allows local electrical repair workshops to rewind and assemble stators up to 315-frame sizes with OEM-level repeatability.
Commercial Pumping & Coastal HVAC Systems
The Northern Adriatic coastline features substantial commercial hospitality, cold-chain maritime logistics, and water filtration facilities. These installations require thousands of submersible pumps, industrial condenser fan motors, and cooling compressor drives. Our dedicated cooler motor winders and semi-automatic coil inserting units provide high-throughput continuous manufacturing with cycle times down to 18 seconds per stator core.
Industrial Evolution: Motor Production Trends in Croatia
The electro-mechanical sector in Croatia is experiencing a profound technological renaissance driven by two primary macroeconomic tailwinds: the European Green Deal’s industrial decarbonization mandate and nearshoring trends across the Central-European manufacturing corridor (connecting Rijeka with Zagreb, Graz, and northern Italy).
1. Nearshoring of Electromechanical Supply Chains
European Tier-1 automotive and marine pump OEMs are systematically reducing exposure to extended Asian supply logistics by qualifying assembly and rewind facilities along the Adriatic corridor. Rijeka serves as the premier deep-water multimodal maritime gateway. Local manufacturers equipping their workshops with factory-direct automated insertion and winding lines capture competitive margins by slashing delivery lead times from 12 weeks (deep-sea transit) to 48 hours within the EU single market.
2. Transition to IE4 & Ultra-Premium Energy Efficiency
Under EU Ecodesign directives, industrial motors from 0.12 kW to 1000 kW installed in European facilities must comply with rigorous energy ceilings. Achieving IE4 efficiency within standard IEC frame footprints requires minimizing magnetic flux leakage. This necessitates narrower stator slot openings, which creates extreme insertion difficulty for manual operators. Our automated winding insertion equipment features ultra-thin profiled guide tooling (down to 1.2 mm blade tip thickness), enabling effortless entry into narrow slot mouths without pinching conductors.
3. Direct Import Logistics via Port of Rijeka Container Terminals
As a seasoned direct exporter, Zunqi Intelligent Equipment ships heavy industrial crating directly into the Port of Rijeka (Port of Rijeka Authority / AGCT Brajdica). This eliminates costly transshipment bottlenecks across northern European ports (Rotterdam or Hamburg), significantly reducing overland European haulage costs and streamlining customs clearance through the Croatian Customs Administration (Carinska uprava) via comprehensive EUR.1 / CE export documentation.
Stator Production Machinery Technical Parameters
Review the baseline technical specifications below to determine the ideal machinery configuration for your plant's specific lamination stack height and wire diameter.
| Machine Series | Target Stator ID / OD | Stack Height (L) | Wire Dia. Range | Wedge Material | Cycle Speed / Unit | Primary Power Standard |
|---|---|---|---|---|---|---|
| Internal Stator Winder (4-Station) | ID: Ø20 - Ø90 mm OD: Max Ø130 mm |
10 - 75 mm | 0.15 - 0.70 mm | N/A (Direct Fly-Fork) | 40 - 65 sec / 4 pcs | 380V 50Hz / 220V |
| Auto Coil & Wedge Inserter | ID: Ø30 - Ø120 mm OD: Max Ø160 mm |
15 - 160 mm | 0.20 - 1.25 mm | DMD, Nomex, PET (0.15-0.35mm) | 18 - 32 sec / core | 380V 50Hz 3-Phase |
| HVAC Cooler Motor Winder | ID: Ø40 - Ø110 mm OD: Max Ø150 mm |
12 - 90 mm | 0.18 - 0.85 mm | Manual or Auto Transfer | 25 - 40 sec / set | 220V 50Hz 1-Phase |
| Semi-Auto Multi-Purpose Winder | Custom tooling to drawing | Max 200 mm | 0.10 - 1.20 mm | Transfer Horn compatible | Operator dependent | 220V 50Hz 1-Phase |
| Heavy-Duty Servo Lacing Machine | ID: Ø35 - Ø140 mm OD: Max Ø200 mm |
15 - 180 mm | Lacing cord: 0.5 - 1.5mm | Polyester / Kevlar cord | 0.4 - 0.6 sec / stitch | 220V / 380V 50Hz |
Why European & Croatian Engineers Choose Zunqi
Operating from South China's high-tech industrial epicenter in Qishi Town, Dongguan, Zunqi Intelligent Equipment delivers precision-engineered motor automation equipment with uncompromised build quality.
17+ Years Export Record
Over a decade and a half of continuous verified international export operations. Our machinery is deployed in motor production workshops across 40+ countries with complete CE declaration dossiers.
Tailored Tooling to Drawings
We do not sell rigid standard machines. Coil pushers, transfer horns, and wedge cutters are CNC machined exactly to your stator laminations drawing or physical sample provided by air courier.
European Industrial Control
Configurable with industrial automation control platforms familiar to European maintenance personnel: Siemens S7-1200 / Schneider Electric PLCs, Omron sensors, and SMC pneumatics.
Pre-Shipment FAT Video Sign-Off
Every machine undergoes a full trial run using your own lamination cores and magnet wire. We provide 4K high-definition video documentation and sample measurement reports prior to packaging.
Questions Asked by Croatian Machinery Buyers
Detailed answers covering electrical compliance, customs clearing at Port of Rijeka, tooling customisation, and long-term technical servicing.
Are your winding insertion machines compliant with Croatian and EU CE machinery standards?
Yes. All machines exported to the European Union and the Republic of Croatia comply fully with the European Machinery Directive (2006/42/EC), Low Voltage Directive (2014/35/EU), and Electromagnetic Compatibility Directive (2014/30/EU). Equipment is equipped with standard dual-circuit emergency stop safety relays, optoelectronic light curtain safety barriers around the insertion tooling zone, and CE conformity certificates with technical construction files for straightforward customs sign-off.
Can your electrical cabinets match the standard Croatian industrial power grid (400V 50Hz 3-phase)?
Absolutely. We custom-configure the electrical cabinet, internal control transformers, and servo driver filtration systems to native Croatian industrial voltages (400V ±10% 50Hz 3-phase, or 230V 50Hz single phase for smaller benchtop models). The control system utilizes standard 24V DC safety logic. Wiring diagrams are drafted in standard European IEC schematic formats with English tagging.
How is ocean freight and customs import handled directly into the Port of Rijeka?
We routinely arrange CIF or CIP shipments directly to the Port of Rijeka (Luka Rijeka / Adriatic Gate Container Terminal - AGCT). Machines are sealed inside heavy-duty, moisture-barrier vacuum bags containing industrial silica desiccants, protected with VCI anti-corrosion coating, and bolted securely within ISPM-15 compliant fumigation-free wooden export crates. We provide your local Croatian customs broker or logistics agent with the commercial invoice, detailed packing list, ocean bill of lading (B/L), and certificate of origin.
Can a single winding insertion machine handle multiple stator models?
Yes. If your stators share the same internal bore diameter (ID) and slot count, stack height changes are adjusted entirely through digital servo stroke parameters on the HMI screen in seconds. When switching between stators with different slot geometries or bore sizes, we provide quick-change modular tooling sets (pushrod assemblies, insertion magazines, and wedge guides). Experienced technicians can complete a full tooling swap in approximately 20 to 30 minutes.
What is the commissioning and training protocol for workshops located in Kvarner / Croatia?
All machines ship pre-commissioned with your recipe parameters pre-loaded. For standard single-machine installations, we supply comprehensive English step-by-step video manuals, electrical schematics, and interactive live video commissioning sessions with our senior software engineers. For full production lines (insulation paper inserter + winding machine + coil inserter + forming + lacing), our field service engineers are available for on-site plant installation and operator training in Rijeka.
Can the machine insert both Nomex/DMD composites and rigid plastic wedges?
Yes. Our automated wedge feeding mechanisms feature precision rotary stepping cutters and guide tracks designed to process standard coil-fed flexible composite insulation materials such as DMD, NMN, Nomex, and polyester film (thicknesses from 0.15 mm to 0.35 mm). For heavy traction or marine drives requiring rigid fiberglass/epoxy or magnetic slot wedges, we provide custom pre-cut magazine-fed pushers.
What warranty coverage and long-term spare parts availability do you guarantee?
We provide a comprehensive 1-year factory warranty on all mechanical, pneumatic, and electronic components. Each machine ships with an initial consumable spare parts kit (guide blades, push rods, springs, limit switches, and wire tensioners). Replacement wear components are maintained in stock and dispatched via express air courier (DHL / FedEx) arriving in Croatia within 3 to 5 business days.
Accelerate Your Stator Production in Rijeka
Send your stator core drawings (OD, ID, stack height, slot diagram) and wire specifications to our senior mechanical engineering team. We deliver a comprehensive equipment proposal and tooling assessment within 9 business hours.
