Rotor Machining
17+
Years Factory Export Experience
≤9 hrs
Rapid Technical Response Time
0.02 mm
High-Precision Expanding Tolerance
100%
Pre-Shipment Stator Trial Testing
Factory Showcase
Advanced Stator Coil Expanding, Winding & Forming Solutions
Explore our industrial-grade automated equipment designed to optimize slot fill rates, end-turn geometries, and production takt times in motor manufacturing facilities.
Lacing Station
6-Station Rotary
Fully Automated
CNC High-Speed
Coil & Wedge
Ceiling Fan Specialist
Two-Station Coil Maker
Technical Engineering Whitepaper
The Mechanics of Stator Coil Expanding in Next-Gen Motor Stators
Why precision hydraulic/servo coil expanding is critical for achieving high copper fill factors and minimizing electromagnetic partial discharge.
The Engineering Challenge: Overcoming End-Turn Crowding
In premium-efficiency electric motors (meeting IE3, IE4, and upcoming IE5 ecodesign thresholds), electromagnetic efficiency depends heavily on the stator core's slot fill factor and copper overhang geometry. As coils are inserted into laminated silicon steel stator stacks, the end-windings flare unpredictably. Without a dedicated stator coil expanding and intermediate forming machine, subsequent lacing needles snag insulation paper, and phase-to-phase clearances fall below stringent dielectric isolation tolerances.
Zunqi's automated stator coil expanding systems employ multi-segment segmental expanding mandrels. Driven by high-pressure hydraulics or synchronous servo ball screws, expanding fingers travel radially outward from the stator center bore. This mechanical force reshapes both the upper and lower winding heads simultaneously, flattening coil bulges and clearing the central rotor path without scraping the polyamide-imide (PAI) or polyester-imide (PEI) enameled wire coatings.
Mid-West Ireland Deployment
Localized Application Scenarios Across the Limerick Industrial Corridor
Tailored engineering workflows aligned with the Shannon Estuary, National Technology Park, and Raheen Business Park manufacturing ecosystems.
Medical Technology & Micro-Pumps
Limerick stands as a global hub for medical device manufacturing. Our precision micro-stator coil expanding and forming machines produce brushless DC (BLDC) stators and surgical tool actuators demanding tight bore roundness and zero magnetic leakage.
Renewable Power & Marine Turbines
With the Shannon Foynes Port driving offshore wind turbine supply chains, heavy-duty coil expanding and wedge insertion equipment are critical for generator stators exposed to harsh, high-vibration marine environments.
Commercial HVAC & Fan Systems
Facilities across Annacotty and Castletroy require durable, single and three-phase motor stator lines for industrial heat pumps, cleanroom ventilation units, and industrial exhaust fan drives running 24/7 continuous duty cycles.
Market Trends
Key Industrial Shifts Influencing Motor Assembly in Limerick
Adapting your production infrastructure to European sustainability mandates, Industry 4.0 telemetry, and total energy efficiency standards.
EU Ecodesign & IE4/IE5 Directives
Irish original equipment manufacturers (OEMs) face stringent EU motor efficiency quotas. Expanding stator coils allows motor engineers to insert heavier copper gauge wire without risking slot damage, directly boosting overall drive efficiency.
Modular Automation Line Integration
Instead of single isolated machines, Limerick plant managers prioritize matched lines. Integrating slot paper inserters, coil winders, expanders, and lacing systems from a single factory guarantees consistent cycle timing and synchronized PLC communication.
Traceability & Predictive Maintenance
Smart factories require machines that record expanding pressure, cycle speeds, and tooling cycles. Our Siemens and Mitsubishi PLC options support OPC-UA and Ethernet/IP protocols for seamless integration into central MES dashboards.
Engineering Matrix
Technical Specifications: Stator Coil Expanding & Forming Machinery
Review engineering tolerances, pneumatic/hydraulic parameters, and electrical ratings tailored for European electrical supplies.
| Machine Model Series | Applicable Stator O.D. | Stack Height Range | Drive System | Power Configuration | Typical Cycle Time |
|---|---|---|---|---|---|
| ZQ-EXP-Mini (BLDC Series) | Φ20 mm – Φ90 mm | 10 mm – 80 mm | Full Servo Closed-Loop | 220V 50Hz Single-Phase | 4 – 7 seconds |
| ZQ-EXP-Mid (General Industrial) | Φ80 mm – Φ180 mm | 30 mm – 160 mm | Hydraulic + Pneumatic Assist | 380V/400V 50Hz 3-Phase | 8 – 12 seconds |
| ZQ-EXP-Heavy (Pump & Compressor) | Φ160 mm – Φ320 mm | 50 mm – 260 mm | High-Ton Hydraulic Cylinders | 400V/415V 50Hz 3-Phase | 12 – 18 seconds |
| ZQ-EXP-Multi (Integrated Line) | Custom Engineered | Up to 350 mm | Multi-Axis Synchronous Servo | Configured to Plant Specs | Continuous Flow |
Factory Authority
Why Irish & Global Motor Manufacturers Partner with Zunqi
Direct from our manufacturing base in Qishi Town, Dongguan, we combine 17 years of technical specialization with factory-direct pricing and personalized engineering support.
17+ Years Export Track Record
Over a decade and a half of continuous verified international trade. Our assembly methods and component vetting eliminate infant mortality defects before export crating.
Custom Tooling to Stator Drawing
Tooling and segmental expanding shoes are never generic. We precision CNC-machine forming heads based directly on your physical stator core samples and dimensional blueprints.
Western Component Integration
We routinely configure control cabinets with Siemens, Mitsubishi, Schneider, Omron, Delta, or SMC pneumatics so your Irish maintenance technicians have instant local spare parts access.
Direct Remote & Onsite Support
Benefit from an average inquiry response window of under 9 hours, video-guided real-time parameter tuning, and engineer dispatch for turnkey line commissioning in Ireland.
Buyer Guidance
Frequently Asked Questions by Irish Procurement Teams
Crucial commercial, technical, and regulatory answers for engineering procurement managers in the Republic of Ireland.
Are Zunqi stator machines compliant with Irish and EU electrical safety standards?
Yes. Machines manufactured for export to Ireland and the wider European Union are configured for standard 400V 50Hz 3-phase or 230V 50Hz single-phase power. Electrical control systems feature CE-compliant isolation relays, emergency stop safety loops, high-quality copper cabling, and industrial IP-rated enclosures.
What is your minimum order quantity (MOQ) and sample verification policy?
Our minimum order quantity is 1 unit for all stator coil expanding, winding, inserting, and forming machines. Before shipping to Limerick, we strongly encourage clients to courier 5 to 10 physical bare stators and wound coil samples to our Dongguan workshop. Our testing team runs trial batches on video, verifying that dimensions match your blueprint before crating.
How are machines packaged for transatlantic or maritime freight to Irish ports?
All machines are sprayed with heavy-duty anti-rust VCI film, vacuum-bagged with desiccant packs, bolted rigidly to steel or hardwood skids to prevent transit shifting, and enclosed within international export-grade, fumigation-free plywood shipping cases destined for Dublin Port or Shannon Foynes Port.
Can expanding tooling be swapped to accommodate multiple stator stack sizes?
Yes. Our expanding and forming stations feature quick-disconnect tooling heads. A mechanical operator can swap expanding mandrels, outer clamping rings, and push-plates in approximately 15 to 25 minutes, allowing a single machine to handle diverse motor product variants.
What warranty protection and post-delivery spare parts availability do you supply?
We back every machine with a full 1-year mechanical and electrical parts warranty. Each unit ships with an initial spare parts kit containing common wear items (sensors, seals, push-rods). Long-term spare tooling and expansion jaws can be ordered factory-direct with expedited courier delivery directly to your facility in Limerick.
