CJL-7 Flat Coil Winding Machine
High-precision rectangular and flat wire coil coiling machine, ideal for high slot fill factor hairpin stators and robust industrial motor coils.
Learn Specifications →Engineered by Zhejiang Rilvo Automation Equipment Co., Ltd. Direct factory configuration for electric vehicles, automotive starters, alternators, and industrial drive stators.
High-precision rectangular and flat wire coil coiling machine, ideal for high slot fill factor hairpin stators and robust industrial motor coils.
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Automated high-speed winding equipment built for multi-slot induction and BLDC motor stators, delivering exact turn counts and tension control.
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Simultaneous coil insertion and phase insulation insertion machine ensuring minimal wire enamel degradation across high-volume lines.
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Precision hydraulic/servo-driven core and shaft pressing system engineered for micro-motor concentricity and high axial load tolerances.
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Intelligent spot and resistance fusing welder, offering uniform contact resistance for wire terminals and commutator risers.
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High-speed horizontal insulation paper cutting, forming, and wedge insertion system engineered for automotive alternators and EV drive units.
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Multi-point commutator hot-stake fusing machine with real-time temperature feedback and dynamic pressure stabilization.
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Heavy-duty magnetic field and inductor coil winding station optimized for variable gauge wire processing and repeatable layering accuracy.
Learn Specifications →Strategic analysis of copper slot fill optimization, partial discharge avoidance, and automated high-throughput production lines.
Traditional round wire stator winding typically yields a net slot fill factor between 45% and 52%. Transitioning to Rilvo’s advanced flat wire shaping and hairpin winding equipment pushes conductive density past 75%, drastically reducing DC copper losses (I²R) while boosting thermal dissipation across continuous duty cycles in EV drive systems.
Operating EV powertrains at voltages up to 800V introduces critical dielectric stresses. Our 5 DQ-1 Stator Wire Embedding and insertion heads are machined via 5-axis CNC to 0.005mm surface roughness, eliminating scratch hazards on micro-thin polyimide enamel coatings and eradicating premature partial discharge failure risks.
Modern e-mobility motors demand dynamic torque calibration during the winding stroke. Rilvo multi-axis servo controllers continuously compensate for back-tension fluctuations, suppressing wire necking or micro-elongation across complex slot geometries and retaining identical turn-geometry repeatability.
The global electric vehicle sector is rapidly migrating from standard low-voltage 400V battery architectures to 800V silicon carbide (SiC) inverters. In this demanding environment, stator design requirements undergo radical transformations. In addition to higher mechanical speed tolerances exceeding 18,000 RPM, the electrical winding layout must completely suppress micro-cavities within slot paper insulation and end-turn crossovers.
Zhejiang Rilvo Automation equipment incorporates automated horizontal slot wedge forming (DFC-1) and precision multi-servo embedding mechanisms that systematically prevent wire cross-overlaps. Coupled with downstream horizontal trickle impregnation systems (DQ-226/100 series), our line achieves void-free varnish coverage, meeting thermal class H (180°C) and class 200 automotive drive criteria.
Aligning Chinese manufacturing precision with the rigorous technical demands of the Luxembourg automotive engineering cluster and transnational European Tier-1 supply chains.
Luxembourg City and surrounding innovation zones (such as Bissen Automotive Campus, Contern, and Dudelange) host world-class Tier-1 mobility specialists and sensor systems engineers. Rilvo supplies rapid-prototyping flexible winding modules and pre-production line stations that accelerate high-efficiency PMSM validation cycles from drawing to pilot validation.
As a multimodal logistics powerhouse at the heart of Europe, Luxembourg prioritizes the full decarbonization of transit fleets, heavy commercial vehicles, and rail systems. Our high-torque stator embedding equipment (5 DQ-1) and flat wire coil shapers (CJL-7) handle high-current, low-resistance windings required for continuous-duty commercial vehicle traction units.
In alignment with Luxembourg's national Circular Economy strategy, regional remanufacturing operations rely on Rilvo automated horizontal wedge paper inserting (DFC-1) and spot-welding machinery to dismantle, rewind, and re-certify heavy electric drive stators back to OEM efficiency standards.
Market dynamics shaping industrial procurement for advanced EV stator and rotor assembly lines across Western Europe.
Automotive OEMs in the Saar-Lor-Lux cross-border region are rapidly replacing conventional pull-through windings with hairpin and I-pin continuous wave stators to achieve higher power density in constrained under-chassis profiles.
European automotive regulations mandate individual component tracking. Every machine engineered by Rilvo features integrated industrial fieldbus architectures (Profinet/EtherCAT) capturing per-stator torque, cycle time, and weld-resistance data.
With Luxembourg pioneering nationwide free public transport, micromobility and electric bus fleets are expanding rapidly. This fuels steady demand for micro-motor assembly (Y-30 press machines) and e-bike hub motor coil winding systems.
Firms based in Luxembourg seek rapid tooling re-configurability. Rilvo's dedicated 36-member engineering staff provides modular cassette tooling changes, ensuring one line can support multi-stack stator heights with negligible changeover delays.
Zhejiang Rilvo Automation Equipment Co., Ltd. (Sanmen, Taizhou) provides direct factory engineering, comprehensive IP protection, and complete end-to-end quality validation.
Recognized as an official High and New Technology Enterprise of Zhejiang Province, our facility holds 17 national invention and utility patents covering multi-servo stator winding mechanisms, wedge inserters, and intelligent commutator spot welders.
Unlike trading intermediaries, Rilvo maintains complete manufacturing sovereignty. Across 6 dedicated assembly lines and more than 150 machining units, tooling and fixtures are CNC-machined in-house under ISO9001 and China Compulsory (3C) standards.
Before any equipment ships from Zhejiang to Western Europe, customer laminations, wire spools, and insulation materials undergo live trial production. We document cycle times, provide detailed video acceptance dossiers, and deliver full wear-part inventories.
Essential trade, technical, and compliance considerations for engineering managers and strategic sourcing specialists.
Submit your stator/rotor lamination prints, wire gauges, and daily volume requirements. Our technical R&D engineering desk will deliver a comprehensive machine layout, cycle time simulation, and quotation.