Dual Action
Coil & Wedge Paper Inserting Machine
- Simultaneous coil & wedge insertion
- Reduces enamelled wire friction damage
- Tailored tooling for variable stack heights
17+
Years Export Experience
CE / NR-12
Standard Compliance
≤ 9 Hours
Technical Response Desk
1 Set
Direct Factory MOQ
Automated Assembly Fleet
Precision Stator Coil Tying & Motor Production Machines
Engineered in our Dongguan specialized facility with custom tooling crafted specifically to your stator core dimensions, slot geometric layouts, and duty-cycle targets.
HF-D50 1000W
HONGFANG HF-D50 Green Insulation Paper Insertion Machine
- Precision edge-creasing & cutting
- 220V single-phase / 1000W drive
- 1-Year international warranty
6-Station Index
HF-LO2-6G Six Stations Internal Winding Machine with PLC
- Multi-station high-speed rotation
- Synchronized industrial PLC logic
- Inner stator winding perfection
Hydraulic Precision
Hydraulic Stator Shaft Inserting Press Machine
- Gear-driven hydraulic stability
- Concentric bearing seat protection
- Heavy-duty plant rated endurance
Dual Station
HF-R40-2C Automatic Fan Motor Coil Winding Machine
- 2 Synchronous winding fixtures
- High slot-fill coefficient capacity
- Microprocessor parameter setting
Outer Stator
2-Station Stator Outer Winding Machine
- External stator winding mechanism
- Transformer & BLDC motor support
- High-speed flyer oscillation
Full Automation
Fully Automatic High-Speed Motor Coil Winding Machine
- Automatic coil transfer & jumping
- Industrial continuous 24/7 rating
- Standard 220V/380V dual config
0.1 - 1.2 mm
Coil Winding Machine for Fan Motor (0.1–1.2mm Wire)
- Copper & Aluminum wire compatible
- Closed-loop wire tensioning control
- Single Phase 220V versatility
Engineering Evaluation: The Role of CE Certified Automatic Coil Tying in Belo Horizonte’s Manufacturing Renaissance
In the competitive landscape of modern electromechanical assembly, coil end-winding structural integrity is the fundamental determinant of motor operational lifespan, harmonic vibration resistance, and acoustic performance. For electrical equipment manufacturers, commercial pump fabricators, and automotive suppliers in the Greater Belo Horizonte Metropolitan Region (RMBH)—including pivotal industrial hubs such as Contagem, Betim, and Santa Luzia—the manual tying and lacing of electromagnetic stator coils represents a severe operational bottleneck.
Conventional manual stator lacing is intrinsically flawed by human inconsistency: non-uniform cord tension causes uneven thermal expansion gradients, leading to localized friction, premature abrasion of winding wire enamels, and catastrophic inter-turn dielectric breakdown. Our series of CE Certified Automatic Coil Tying and Stator Lacing Machines addresses this critical vulnerability. Operating via dual-servo synchronized kinematic knotting heads, these units ensure constant, micrometer-precise tensioning of high-tenacity nylon or polyester lacing cords across every single stator pole, regardless of operator experience or shift fatigue.
Synchronized Kinematics: The Technical Edge of Servo-Driven Coil Tying
The mechanical execution of stator end-turn lacing requires three coordinated axes of motion: needle stroke piercing through stator slot teeth, looping oscillation to wrap the lacing thread, and indexing table positioning that rotates the stator assembly precisely around its magnetic center. Zunqi machines leverage high-frequency digital servo controllers interfaced with industrial-grade PLCs (programmable with Siemens, Mitsubishi, or Delta architectures based on Brazilian facility standards).
| Engineering Parameter | Standard Automatic Series | High-Speed Servo Double-Sided Unit | Heavy-Duty Industrial Specification |
|---|---|---|---|
| Applicable Stator O.D. | Φ40 mm – Φ160 mm | Φ50 mm – Φ220 mm | Up to Φ320 mm (Custom Engineered) |
| Stator Stack Height Range | 10 mm – 120 mm | 15 mm – 180 mm | 30 mm – 260 mm (Mining & Rail) |
| Lacing Pitch / Mode | Slot-by-slot / Slot-skipping | Programmable multi-pitch (HMI) | Variable heavy-duty anchor knots |
| Lacing Speed (Stitches/sec) | Up to 1.2 stitches/sec | Up to 2.2 stitches/sec (Dual head) | 1.0 – 1.5 stitches/sec (High cord tension) |
| Operating Electrical Load | 220V Single-phase ±10%, 50/60 Hz | 220V / 380V 3-Phase Configurable | 380V / 440V 3-Phase Industrial (CEMIG Grid) |
| Pneumatic Operational Pressure | 0.45 – 0.65 MPa | 0.50 – 0.70 MPa | 0.60 – 0.80 MPa |
| Safety & Conformity Standard | CE Low Voltage & Machinery Directive | CE Directives + NR-12 Architecture | CE Certified / Dual Interlock NR-12 |
By automating the dual-side binding process simultaneously, the stator coil head is stabilized without subjecting individual magnetic slot teeth to asymmetrical transverse stresses. This directly prevents iron core lamination fan-out—a frequent failure mode observed when stators are handled by non-standardized manual presses in sub-optimal repair and production environments.
Regional Application Engineering
Strategic Deployments in Belo Horizonte's Core Industries
Engineered to integrate seamlessly into Minas Gerais' robust mineral extraction, heavy industrial machinery, and burgeoning automotive assembly corridors.
Submersible Mine Dewatering & Slurry Pumps
In the Iron Quadrangle (Quadrilátero Ferrífero) surrounding Belo Horizonte (Nova Lima, Itabirito, Brumadinho), slurry and sump pump motors operate under unforgiving hydrostatic and vibrational stresses. Our double-sided lacing machines guarantee rigid winding stabilization, preventing insulation degradation caused by high-viscosity mineral slurry resonance.
Tier-1 Automotive & Mobility Actuators in Betim
Anchored near Brazil’s largest automotive fabrication complexes in Betim, component suppliers require high repeatability for starter motors, brushless DC (BLDC) radiator cooling fan motors, and electric steering actuators. Automated tying achieves cycle times under 14 seconds per stator, supporting just-in-time (JIT) production standards.
Industrial Ventilation, Blowers & Agitators
Commercial HVAC, tunnel ventilation, and industrial exhaust fan producers in Contagem utilize our multi-station winding, wedge insertion, and lacing suites to produce IE3 and IE4 premium efficiency electric motors. Consistent geometric coil head forming reduces internal windage losses and guarantees rotor clearance tolerances.
Macro Economic Drivers
Industrial Trends Driving Automation in Minas Gerais
Strategic analysis of regulatory, energy efficiency, and industrial modernizations currently reshaping electric motor manufacturing across Southeastern Brazil.
Strict NR-12 Regulatory Adherence
The Brazilian Ministry of Labor’s Norma Regulamentadora 12 (NR-12) mandates fail-safe machine architecture. Our export-ready machinery incorporates dual-channel safety relays, monitored interlocked safety light curtains, optical emergency stops, and isolated pneumatic dump valves to pass regional fiscal audit inspections effortlessly.
Transition Toward IE3 / IE4 Motors
Following national energy efficiency legislation (Portaria Interministerial), Brazilian OEMs cannot afford high copper resistance or slot factor inefficiencies. Automated coil insertion and tightly laced heads maximize stator slot fullness up to 82%, reducing stray load losses and thermal hotspots.
Mitigating the Skilled Labor Deficit
The traditional trade of manual electric motor rewinding is facing acute generational turnover across Minas Gerais. Automated equipment empowers operators with minimal specialized training to run multi-station winding and automatic tying cycles with predictable, zero-defect output.
Nearshoring & Re-industrialization
With currency fluctuations (BRL/USD) and maritime supply chain volatility, Belo Horizonte industrial groups are aggressively repatriating component production. Factory-direct procurement of high-durability production lines delivers rapid ROI typically recouped within 8 to 14 months of commission.
Manufacturing Rigor
Why Global Importers Partner with Zunqi Intelligent Equipment
Over 17 continuous years of dedicated R&D in Dongguan, providing direct engineering-to-engineering manufacturing without middlemen.
1. Tooling Tailored Directly to Your CAD Geometry
We do not distribute generic off-the-shelf equipment. Our engineering team designs precision inserting blades, pusher shoes, coil formers, and lacing needle assemblies directly to your stator lamination drawings and copper fill specifications.
2. Complete End-to-End Line Harmonization
Avoid the operational nightmares of mismatched machinery. From slot insulation insertion (HF-D50) to multi-station winding, coil inserting, intermediate forming, double-sided tying (HF-BS20), and final rotor turning (HF-C60)—our machines share common tooling philosophies and cycle-time synchronization.
3. Internationally Stocked Control Systems
We eliminate dependency on proprietary, inaccessible black-box electronics. Machines can be built using Siemens, Mitsubishi, Schneider, Omron, Delta, or Inovance automation components, ensuring your in-house electrical technicians can source immediate replacements locally in Minas Gerais.
Pre-Shipment Physical Sample Validation: We require one physical stator core prior to final factory sign-off. We run full operational trials, program your cycle parameters, and record full-definition verification videos before securing your machine inside export-grade fumigation-free plywood crating.
Procurement Intelligence
Frequently Asked Questions for Belo Horizonte Buyers
Clear, technically rigorous answers addressing local electrical conditions, import logistics to Minas Gerais, NR-12 compliance, and post-sales support.
How do your machines adapt to the unique electrical grids of Belo Horizonte and Minas Gerais?
Minas Gerais, served primarily by CEMIG (Companhia Energética de Minas Gerais), exhibits distinct voltage setups depending on whether an installation is in a light commercial zone or an established industrial park. While typical single-phase domestic supplies are 127V or 220V (60Hz), major industrial centers (Contagem, Betim) utilize 220V 3-phase, 380V 3-phase, or 440V 60Hz systems. Zunqi factory configures all internal transformer taps, PLC power supplies, servo line reactors, and AC motors precisely to your specific facility’s voltage and 60Hz frequency before dispatch, preventing line overheating or erratic controller resets.
What documentation and safety hardware are provided to satisfy Brazilian NR-12 inspections?
Compliance with Norma Regulamentadora 12 is critical to avoid immediate operational embargoes by regional labor auditors. Upon request, our machines are built with dedicated NR-12 architecture: Category 4 safety relays, dual-monitored emergency stops, optical safety curtain barriers guarding the needle lacing zone, physical interlocked polycarbonate access doors, and bilingual (Portuguese/English) hazard labeling and electrical schematics. We furnish complete CE Declaration of Conformity dossiers and component technical sheets that your local Brazilian safety engineer (Engenheiro de Segurança do Trabalho) can use to generate the local ART (Anotação de Responsabilidade Técnica).
Can one automatic tying machine handle multiple stator stack heights and wire diameters?
Yes. Our automatic tying and lacing units are engineered for flexible changeovers. Stators with identical outer and inner diameters but variable stack heights (for instance, ranging from 20 mm to 110 mm) require only digital parameter adjustment on the touchscreen interface—the servo-driven z-axis adjusts needle stroke depths automatically. If switching between completely different frame sizes (e.g., changing from a NEMA 48 to a NEMA 56 frame), a physical tooling change of the central stator nest fixture is completed in under 15 minutes using quick-release alignment pins.
What is the logistical route and customs protocol for ocean shipping into Belo Horizonte?
Since Belo Horizonte is an inland capital, ocean cargo departs from our local port in Shenzhen/Guangzhou and typically routes into the Port of Santos (SP) or the Port of Rio de Janeiro (RJ). From the maritime terminal, cargo is routed via bonded highway transit (DTA) directly to the Dry Port of Betim (Porto Seco de Betim / Estação Aduaneira do Interior - EADI) for localized customs clearance. We supply full export documentation: commercial invoices matching Brazilian NCM (Mercosul Common Nomenclature) codes for machine tools (typically under Chapter 8479), packing lists with net/gross weights, bills of lading, and Fumigation Certificates for our solid ISPM-15 compliant export crates.
How does Zunqi ensure technical support and operator training remotely in South America?
Every machine is dispatched with an extensive digital documentation package including interactive 3D exploded assembly diagrams, complete wiring pinouts, step-by-step Portuguese-annotated video guides for knife adjustment, needle replacement, and tensioner threading. Our engineering desk maintains dedicated communication channels aligned with Brazilian standard time (BRT / UTC-3), providing interactive live-video commissioning, parameter troubleshooting, and diagnostic support. Standard wearing components (lacing needles, cut-off blades, hooking fingers) are supplied with the initial machine crate in duplicate sets to ensure uninterrupted operation.
