Purpose-built for e-mobility traction motors, alternator assemblies, starter rotors, and industrial brushless systems. Delivered factory-direct with full Korean technical standard conformance.
Compact, ultra-stable micro-resistance welder developed for precise terminal fusing, commutator risers, and delicate sub-assembly spot joints in automotive DC micro-motors.
Automated coil and wedge inserting station designed for high-density induction and BLDC motor stators. Ensures zero enameled wire damage and uniform slot cell lining.
Multi-station CNC coil winder featuring precision fly-arm technology for neat layered coils, programmable turn configurations, and rapid tooling turnover.
Specialized flat copper strip winder engineered to manufacture compact edgewise and wave-wound coils for next-generation electric vehicle alternators and DC actuators.
Medium-frequency inverter hot-staking system specifically calibrated for copper clad aluminum (CCA) and pure copper commutator armatures with closed-loop thermal oversight.
Full-servo indexing twisting unit configured for automotive starter armatures. Accurately shapes, trims, and positions lead terminations prior to hot-stake commutator fusion.
Heavy-duty flat conductor winding platform customized for industrial alternator fields, large-pitch magnetic pole shoes, and high-ampere commercial vehicle armatures.
High-speed alternator stator coil insertion station built to handle complex multi-phase overlapping wave coils and slot insulation paper with zero strand crossover.
Daegu Metropolitan City, historically revered as the epicentre of South Korea’s precision machining, automotive parts manufacturing, and textile industrialization, stands at a pivotal technological juncture. Anchor zones such as the Seongseo Industrial Complex (성서산업단지), Daegu Technopolis, and the Daegu National Industrial Complex (대구국가산업단지) are undergoing rapid structural shifts. Driven by national Korean green mobility directives and major domestic OEM initiatives (Hyundai Motor Group, Kia, and global Tier-1 auto-parts suppliers), production priorities in Daegu have transitioned aggressively from traditional internal combustion engine (ICE) starters and alternators to high-voltage electric vehicle (EV) traction drive units, electronic power steering (EPS) motors, electronic braking actuators, and harmonic drive robotic servo motors.
In this fiercely competitive arena, the challenges confronting Daegu's Tier-1 and Tier-2 manufacturers are multifold: surging domestic labor overheads, stringent 6-sigma yield requirements, zero-defect traceability, and the imperative to support high slot fill factors with minimal copper stress. As China’s preeminent automation equipment specialist, Zhejiang Rilvo Automation Equipment Co., Ltd. delivers the technical bridge: offering heavy-duty, high-precision automated motor winding, embedding, twisting, shaping, and hot-staking spot welding systems that match Korean engineering rigor while delivering a radically superior Total Cost of Ownership (TCO) compared to legacy European and domestic Japanese imports.
Automated motor assembly equipment cannot function as a generalized catalog offering; it must interface seamlessly with local part geometry, laminate thicknesses, and duty cycles. Below are the operational domains where our systems actively empower production facilities across Daegu and North Gyeongsang Province:
Electronic Power Steering (EPS) and Electronic Stability Control (ESC) motors demand micro-precision winding and 100% reliable insulation. Our 5 DQ-1 Stator Wire Embedding and ZB-303 rotor winders eliminate hairpin/enamel scarring, guaranteeing low cogging torque and whisper-quiet operation demanded by Hyundai/Kia cabin standards.
Electric water pumps (EWP), electronic oil pumps (EOP), and cabin air conditioning scroll compressor motors operate continuously at elevated voltages. Rilvo’s multi-pole winding and trickle impregnation machinery ensure zero bubble voids in resin insulation, preventing partial discharge breakdown under high-frequency PWM switching.
Daegu is recognized as South Korea’s National Robotics Hub, anchored by the Korea Institute for Robot Industry Advancement (KIRIA). Rilvo supplies specialized frameless BLDC stator winding and high-slot filling tooling designed for high torque density outer-rotor motors used in cobot actuators, AGVs, and industrial articulation modules.
Technical Directors and Chief Process Engineers in Daegu are prioritizing three distinct technical trajectories when planning capital expenditures for assembly automation lines:
Traditional round wire stator slots consistently top out at an effective copper fill factor between 45% and 52%. As Daegu electric vehicle suppliers pursue greater torque density and superior thermal dissipation, flat copper wire architectures—exemplified by systems like our CJL-7 Flat Coil Winding Machine and 5-SC-2B Flat Wire Automatic Shaping Units—elevate slot fill factors beyond 72%. This significantly curbs internal copper losses ($I^2R$) and enables downsized motor frames suitable for compact wheel-hub drives and integrated e-axles.
With CCA (copper-clad aluminum) and fine copper conductors commonly employed to slash rotating inertia and raw material costs, conventional AC spot welders introduce risks of excessive spatter, burnt strands, or micro-cracking at the commutator hook. Our SDZ-130GS Inverter Spot Welding Machine utilizes a high-frequency MFDC inverter feedback controller running at 1–4 kHz, dynamically adjusting current within milliseconds based on continuous dynamic resistance and electrode penetration sensors. This data is archived directly into local factory MES systems for complete per-VIN batch auditing.
Korean component manufacturers frequently need the flexibility to run multiple high-mix low-volume (HMLV) batches for specialized export platforms alongside massive high-volume runs for domestic platforms. Rilvo's engineering architecture favors modular workstations: standalone winding, wedge paper insertion, coil embedding, intermediate shaping, end twisting, commutator hot-staking, and final trickle varnish impregnation can operate as independent robotic cells or be linked seamlessly through palletized magnetic conveyors.
The following performance breakdown outlines typical engineering parameters configured for our assembly modules deployed in Eastern Asian automotive manufacturing corridors:
| Machine Model | Primary Process Function | Key Technical Specifications | Compatible Motor Architectures | Cycle Time / Throughput |
|---|---|---|---|---|
| SDN-32ZH | Micro Resistance Fusing / Spot Welding | Micro-gap pneumatic head, precision current timing ±1ms | DC Micro-motors, sensor coils, lead tab fuses | 0.8 – 1.5 sec / weld |
| 5 DQ-1 Model | Stator Coil Insertion & Wedge Embedding | Hydraulic/servo drive, dual-action push blade, slot count: 8–48 | Induction motors, BLDC fan motors, pump stators | 18 – 30 sec / stator |
| XB-1GZ Model | CNC Multi-Pole Stator Coil Winding | Multi-axis servo synchronization, auto flyer, tension compensation | Automotive alternator, universal motors, AC servo | Programmable, up to 3200 rpm |
| CJL-7 Model | Flat Copper Strip & Edgewise Winding | Rectangular wire guides, anti-twist rollers, edgewise tooling | Traction drive stators, heavy-duty alternators | Configurable by turn count |
| SDZ-130GS | MFDC Inverter Commutator Spot Welding | Closed-loop inverter, displacement monitor, water-cooled electrode | Automotive starter armatures, power tools (CCA wire) | 1.2 – 2.0 sec / bar |
| SN-1S Model | Servo Armature Winding End Twisting | 3-axis servo positioning, zero-abrasion wire grip, auto indexing | High-performance starter motor armatures | 2.2 – 2.8 sec / slot |
| DQ-2 Model | Alternator Stator Coil & Paper Inserter | Custom tooth tooling, dual wedge feed, auto lamination clamping | Automotive charging alternators, 48V mild hybrid motors | 22 – 35 sec / finished pack |
Founded in 1998, Zhejiang Rilvo Automation Equipment Co., Ltd. has grown from an innovative specialized tooling workshop into an internationally recognized High and New Technology Enterprise. Headquartered in the Shatianyang Development Zone of Sanmen, Taizhou, Zhejiang, our modern industrial campus spans nearly 60,000 square meters. Operating in close proximity to the world-class international freight terminals of Ningbo and Shanghai Ports, Rilvo coordinates frictionless ocean transit directly to Busan Port, followed by immediate inland transit to the Daegu-Gyeongbuk industrial corridor.
All assembly equipment conforms strictly to ISO9001 quality management procedures, holds China Compulsory Certification (3C), and meets applicable CE and Korean KC electrical safety conventions for industrial switchgear.
Our deep engineering pool holds 17 national invention and utility model patents covering automated nozzle traverse, dynamic flyer wire tensioning, flat-strip bending mandrels, and zero-slag hot-staking electrodes.
Rather than subcontracting core tooling, our 150+ in-house CNC machining centers, wire-EDM stations, and grinding centers fabricate all needles, pushers, and insertion blades directly, keeping cumulative tolerances under 0.008 mm.
We do not ship on theoretical calculations. Overseas clients submit physical lamination cores and copper conductor samples. Our engineers conduct full-speed continuous production trials, validated via synchronized video telemetry.
Engaging with Rilvo Automation on your upcoming motor assembly line expansion or retrofit project follows a transparent, risk-free multi-step milestone process:
Our application team reviews your CAD files, stack profiles, conductor geometry, and takt time objectives to recommend the optimal machine configuration and tooling materials.
Components are precision machined in-house under ISO9001 protocols. Wiring, safety enclosures, PLC programming, and multi-axis servo coordination are integrated under one roof.
We execute multi-batch sample winding, forming, and welding trials. Upon sign-off, equipment is moisture-proof crated and dispatched via expedited sea route to Busan and onto Daegu.
Whether you require a single high-precision SDN-32ZH spot welding workstation or a complete turnkey automated stator and armature manufacturing line, our senior engineering team is prepared to review your motor drawings and calculate a guaranteed cycle-time proposal.
