Flat Wire Technology
CJL-7 Flat Motor Coil Winding Machine
Engineered for rectangular and hairpin wire profiles. Features high-torque tension regulation to ensure uniform loop laydown without enamel microruptures.
Factory-direct automated machinery engineered for alternators, starter motors, BLDC drives, and electric vehicle armatures. Custom tooling calibrated to specific lamination stacks and slot geometries.
Engineered for rectangular and hairpin wire profiles. Features high-torque tension regulation to ensure uniform loop laydown without enamel microruptures.
Multi-axis synchronized CNC platform supporting modular heads for high-speed stator coil lace binding, edge trimming, and automated stack indexing.
Simultaneous copper coil and slot wedge push station. Hardened push-blade tooling guarantees zero wire crossover and preserved slot liner dielectric integrity.
Intermediate frequency inverter controller configured for CCA and pure copper commutator risers. Dynamic displacement feedback guarantees exact melt depth.
Designed for heavy starter motor magnetic field coils. Applies Nomex, mica, or woven fabric tapes with uniform overlap percentage and programmable pneumatic tension.
Optimized for power tool armatures and universal motor rotors. Features double-flyer balancing and rapid collet clamping for rapid turnover cycles.
Heavy-duty winder accommodating thick cross-section rectangular magnet wire. Built for automotive starter field coils and high-output industrial drives.
High-precision servo slot cell insulation. Handles automatic feeding, edge creasing, sizing, cut-off, and indexing into alternator stators within fractions of a second.
In high-duty electric motors, the mechanical binding of end-turns is critical to survive thermal expansion stresses, transient inrush electromagnetic forces, and long-term harmonic vibration.
Inconsistent lacing tension causes loose windings susceptible to corona discharge or over-tight coils that scratch the wire's polyurethane enamel. CNC needle lacing implements closed-loop magnetic powder brakes to maintain tension within ±0.4 N throughout multi-point index cycles.
Traditional single-ended binding requires manual stator flipping, doubling cycle duration and risking leads dislocation. Advanced dual-head lacing rigs synchronize upper and lower needle hooks, slashing cycle times below 14 seconds for a 36-slot automotive alternator stator.
From single-rib continuous lacing to slot-by-slot intermittent cross knotting, programmable multi-axis motion allows custom knot styles. Operators can program jumper wire isolation skips, preserving lead cables while securing main phase windings.
Evaluate how automated stator coil lacing outperforms manual tying, shrink tubing, and resin trickle methods across industrial production metrics.
| Evaluation Parameter | Automated CNC Lacing Machine | Manual Hand Tying | Heat-Shrink Elastic Sleeve | Trickle Varnish Impregnation Only |
|---|---|---|---|---|
| Cycle Time (36-Slot Stator) | 12 - 18 Seconds (Dual-Side) | 120 - 240 Seconds | 45 - 60 Seconds | Requires Full Oven Cure (Minutes) |
| Tension Uniformity | Servo Closed-Loop (±0.4 N) | High Operator Drift (±8.0 N) | Moderate / Variable Radial Force | Zero Mechanical Clamping Pre-Cure |
| Enamel Coating Wear Risk | Polished Ceramic Needles (Zero Abrasion) | High (Friction from glove/tools) | Low Mechanical Scratch Risk | None |
| Harmonic Vibration Resistance | Superior (Positive Knots & Lock Stitch) | Inconsistent Knots prone to loosen | Moderate; degrades under heat | Brittle if exposed to thermal cycling |
| In-Line Quality Traceability | Full PLC logging of torque/tension | Non-traceable | Visual inspection only | Weight measurement only |
| Tooling Changeover Time | 10 - 20 Mins (Digital Recipes) | N/A (Immediate manual) | 5 - 10 Mins | Requires Fixture Cleaning |
Procurement managers and plant directors are shifting CapEx investments toward flexible, data-integrated, and energy-efficient motor assembly systems.
With EV traction motors requiring 80%+ slot copper fill factors, procurement is pivoting toward winders and shapers that switch rapidly between round enameled wire and rectangular magnet conductors without machine overhaul.
Modern RFP criteria mandate OPC-UA, MQTT, and Ethernet/IP protocols. Buyers demand telemetry data on spindle vibration, servo current draw, cord feed rate, and insertion force curves streamed directly to enterprise SCADA platforms.
Instead of purchasing standalone units from disjointed vendors, motor makers procure unified production segments: slot insulation, coil winding, wedge insertion, 3D intermediate forming, dual-end lacing, and trickle varnishing.
All-electric servo-actuated architectures are replacing pneumatic and hydraulic presses. Servo-driven needle lacing consumes up to 58% less electrical energy while eliminating oil mist contamination in clean motor assembly zones.
Where engineering research meets high-volume factory performance. Key patents and technological breakthroughs driving modern stator automation.
High-speed telecentric cameras scan stator core OD, ID, and slot skew immediately prior to needle plunge. The CNC axes dynamically correct stack angle offsets up to ±1.5°, completely eliminating needle crashes against stamped silicon steel laminations.
By transitioning from traditional mechanical linkages and Geneva wheels to virtual electronic camming, mechanical wear points are eradicated. Multi-axis servo coordination yields whisper-quiet operation and elevates MTBF beyond 12,000 continuous run hours.
Next-generation lacing stations integrate automated high-voltage surge and insulation resistance (IR) test probes directly inside the work fixture. Coils are electrically verified immediately after cord binding, preventing defective cores from continuing down the line.
Headquartered in the Shatianyang Development Zone, Sanmen, Taizhou, Zhejiang, Zhejiang Rilvo Automation Equipment Co., Ltd. has delivered precision motor production machinery for over a quarter of a century.
Operating under strict ISO9001 quality management, China Compulsory Certification (3C), and officially recognized as a High and New Technology Enterprise of Zhejiang Province, holding 17 national invention and utility model patents.
Led by our President and Chief Engineer—honored as a national knowledge-worker model by the All-China Federation of Trade Unions. Our multidisciplinary engineering team handles mechanical kinematics, electrical hardware, PLC logic, and custom tooling in-house.
Exporting approximately 30% of total output worldwide across Eastern Asia, Southeast Asia, South America, Eastern Europe, and the Middle East. Conveniently located 2 hours from Ningbo Port under flexible FOB, CFR, CIF, and EXW arrangements in USD or EUR.
Get immediate, technically rigorous answers regarding customization, cycle times, tooling longevity, and overseas commissioning.