From high-speed flat-wire coil winders to full automatic stator inserting equipment, each unit is manufactured under rigorous ISO9001 and 3C certified environments to meet the strictest dimensional tolerance needs of modern electrical machine builders.
The Kansai region is globally celebrated for mechatronics, factory automation components, high-efficiency refrigeration compressors, and electric micro-mobility. Our equipment line delivers the micro-precision, fast cycle repeatability, and space-saving cell footprints required by regional plant managers.
Osaka and neighboring Shiga prefecture serve as global innovation hubs for heat pump compressors and commercial chiller systems. These platforms require dense, highly uniform stator winding with zero surface scuffing on heavy enamel-insulated copper wire. Our servo-driven inserting and wave winding equipment maintains the strict slot insulation tolerances and roundness specifications essential for low-noise, high-pressure refrigerants.
Kansai is home to world-leading industrial robot arm builders and motion control giants. Servo motors built in this corridor prioritize torque density, ultra-compact form factors, and minimum cogging torque. Rilvo's multi-axis BLDC stator coil winders provide precise needle-guided needle winding around segmented teeth, maximizing copper fill factors up to 78% while preventing cross-over short circuits.
With Osaka port anchoring major micro-mobility trade corridors across Southeast and East Asia, regional builders are ramping production of high-efficiency hub motors, electric scooter drives, and agricultural UAV propulsion assemblies. Our flat-wire automatic shaping and needle winding machines allow direct processing of wide rectangular conductor bars, yielding superior thermal dissipation under high continuous current loads.
In conventional flyer winding, wire tension spikes caused by acceleration transients frequently introduce micro-abrasions in polyimide enamel layers. In the Osaka market, where quality control protocols routinely mandate zero partial discharge at 1,000V, our electronic dynamic tension compensators actively modulate friction discs in real-time, dampening tension fluctuations to within ±1.5 cN.
Furthermore, when inserting coils into concentrated or distributed stator slots, the insertion blade geometry and wedge feeding mechanism must operate in unified electronic gear synchronization. The ZXB-1 and automatic servo inserting lines utilize absolute encoder feedback across dual servo drives, eliminating mechanical lag and ensuring that slot insulation paper is tucked smoothly without crinkling or displacement.
As manufacturing plants in Higashiosaka and Sakai face demographic shifts and international decarbonization mandates, winding equipment purchasing criteria have shifted from sheer machine speed to holistic quality governance, modular reconfigurability, and hairpin compatibility.
Traditional round wire stator coils are rapidly being supplemented by rectangular conductor pins (hairpins) in automotive and industrial drives. Flat wire maximizes thermal conductivity and reduces slot harmonics, necessitating high-rigidity CNC benders such as our CJL-7 series that can form acute corners without cracking the insulation varnish.
Tier-1 automotive and HVAC suppliers throughout Osaka require 100% per-piece logging of winding parameters: instantaneous tension, turns count, wire stretch percentage, and welding voltage. Our modern control architectures feature Ethernet/IP and OPC-UA connectivity for real-time SCADA and MES integration.
With shorter product life cycles for specialized automation tools, machines must accommodate rapid tooling conversions within 15 to 30 minutes. Digital recipe saving, quick-disconnect pneumatic chucks, and pre-aligned nozzle heads allow our machines to shift between different stack heights seamlessly.
Strict energy efficiency legislation across Japanese domestic utilities is accelerating the shift toward super-premium IE4 and IE5 induction and permanent magnet motors. Reaching these efficiency targets hinges on eliminating resistance losses by increasing copper fill factors through optimized winding lay patterns.
Founded in 1998, Zhejiang Rilvo Automation Equipment Co., Ltd. has engineered precision manufacturing lines for global motor manufacturers for over 27 years. We combine massive in-house manufacturing capacity with custom tooling expertise.
Located in the Shatianyang Development Zone of Sanmen, Taizhou, our massive campus features over 20,000m² of modern workshops with an additional 30,000m² expansion, housing over 150 dedicated precision machining centers under one roof.
Headed by our chief engineer, a recognized national knowledge-worker award winner, our 36 dedicated R&D specialists hold 8 senior engineering titles and command 17 national patents, delivering end-to-end electrical, software, and mechanical customization.
Every unit undergoes a comprehensive 4-stage quality check: incoming component verification, sub-micron in-house machining, mechanical-electrical stress burn-in, and pre-shipment trial runs on actual customer lamination samples.
Beyond standalone coil winders, Rilvo delivers complete continuous stator lines including paper inserting, coil winding, wire embedding, intermediate shaping, final forming, lacing, and automated trickle varnish impregnation.
Situated within 2 hours of Ningbo Port, we ensure fast maritime shipment straight into the Port of Osaka or Port of Kobe. We offer rapid spare parts dispatch, detailed bilingual manuals, and remote video commissioning assistance.
Serving over 30 countries across East Asia, Europe, and the Americas, our export department is structured for seamless technical communication, NDA adherence, and tailor-made tooling matching custom customer lamination blueprints.
Transparent answers addressing tooling lead times, dimensional compatibility, compliance requirements, and remote commissioning services.
Consult with our application engineering team today. Send us your stator lamination drawings, target cycle times, and wire diameter specifications to receive a customized process proposal and full machine specification sheet within 24 hours.
