SZD-376/63.5 Stator Automatic Horizontal Trickling Varnishing Machine
Continuous servo-controlled heating and resin trickling automation that eliminates air pockets in high-voltage industrial stator insulation systems.
Engineered for continuous duty cycles, slot-fill precision, and tight copper tension tolerances across EV drive units, industrial alternators, and consumer motors.
Continuous servo-controlled heating and resin trickling automation that eliminates air pockets in high-voltage industrial stator insulation systems.
High-precision servo rotary twisting mechanism ensuring tight hook loop tension, reduced wire stress, and low electrical contact resistance.
Inverter DC resistance welding featuring digital displacement tracking, energy monitoring, and minimal thermal distortion on motor leads.
Dual-flyer synchronous flyer winding unit calibrated for rapid multi-pole rotor cores and high-density industrial wire winding programs.
Configured with programmable tooling for winding single and three-phase stator coils directly onto transfer stations with minimal wire scuffing.
Combined simultaneous push-plate insertion of enamel coils and slot wedge insulation, optimized for complex internal lamination geometries.
Dedicated edge-wise copper bending technology for high-slot-fill hairpin stators demanded by next-generation electric mobility platforms.
End-to-end synchronized cell integration encompassing paper insertion, CNC coil winding, wire lacing, forming, testing, and resin trickling.
Years Engineering Expertise
Modern Manufacturing Plant
National Invention Patents
Custom Automated Systems
Nakhon Ratchasima (Korat), widely acknowledged as the gateway to Isan and a pivotal logistical nexus in Thailand's Eastern Economic Corridor (EEC) expansion, is rapidly emerging beyond traditional agricultural processing into a prominent hub for advanced automotive parts manufacturing, electronic consumer assemblies, and precision electric motor fabrication. With tier-1 automotive suppliers, micro-motor plants, and pump assembly factories populating industrial estates such as Suranaree Industrial Zone and Navanakorn Nakhon Ratchasima, the demand for high-speed, automated stator manufacturing lines has reached an inflection point.
Key Regional Shift: Manufacturers in Nakhon Ratchasima are transitioning from standard IEC induction motor winding toward high-slot-fill hairpin winding, segmented BLDC stators, and multi-pole traction architectures designed for e-mobility and high-efficiency industrial compressors.
In the Suranaree Industrial Zone and Chokchai industrial zones, motor manufacturers face specific environmental and operational conditions that demand robust manufacturing engineering:
A. Automotive Auxiliary & HVAC Motors: Automotive component suppliers in Nakhon Ratchasima build auxiliary pump motors, radiator cooling fans, window actuators, and starter-generators. Producing these armatures and stators requires closed-loop tensioners capable of handling fine wire (0.15 mm) up to heavy dual-strand wire (1.2 mm), maintaining repeatable magnetic resistance and winding balance across ambient temperature fluctuations typical of continental Southeast Asia.
B. Heavy Agricultural & Industrial Pumping Equipment: As a national agricultural powerhouse, local demand for deep-well submersible pumps, threshing machinery drives, and irrigation motor systems requires high-durability stators. Our automated horizontal varnishing trickling machines (such as the SZD-376/63.5) ensure 100% dielectric impregnation without the micro-voids that induce moisture ingress and breakdown in agricultural field environments.
C. Brushless DC (BLDC) & E-Bike Drivetrains: With Thailand's aggressive "30@30" EV initiative incentivizing electric two-wheelers, light urban logistics vehicles, and domestic appliances, factories in Nakhon Ratchasima are deploying dedicated stator winding and wedge insertion centers tailored for segmented core BLDC motors. These setups reduce slot footprint scrap, improve copper fill rates past 75%, and substantially cut thermal losses.
The manufacturing sector in Nakhon Ratchasima is currently undergoing three significant structural transitions:
• Migration to Flat Wire Hairpin Technology: Round-wire winding is encountering physical limits in heat dissipation and slot density. Automotive plants in Korat are integrating flat copper bar shaping (Model CJL-7 / 5-SC-2B) and computer-controlled laser stripping to construct hairpin stators that maximize magnetic power density in smaller powertrain envelopes.
• Data-Traceable Inverter Resistance Welding: Quality control departments in modern Korat facilities require single-unit traceability. Our automated commutator spot welding units provide digital cycle logs, recording welding voltage curves, electrode displacement depths, and thermal heat energy indices for every welded joint.
• Turnkey End-of-Line Integration: Isolating single operations is no longer cost-effective under prevailing Thai labor trends. Plant managers are demanding combined workcells where stator core lamination loading, slot paper insertion, wire winding, transfer-pin insertion, intermediate shaping, end-turn lacing, and trickle varnishing operate within an automated continuous pallet loop connected directly to MES networks via OPC-UA protocols.
From custom CNC tooling design to full production-line validation, we support overseas enterprises with deep engineering precision.
Operated under strict ISO9001 quality systems and China Compulsory Certification (3C). Recognized as a national High and New Technology Enterprise with 17 registered core patents.
Over 150 CNC machining centers, EDM machines, and surface grinders across our 60,000 m² campus ensure stator winding nozzles and inserting needles meet sub-micron dimensional tolerances.
Led by senior industry specialists, our engineering department designs tailored mechanical jigs, servo motion algorithms, and tooling setups directly matching your proprietary motor drawings.
We do not ship on assumptions. Every machine is trial-tested using the client's actual core stacks, copper wire, and insulation paper, verified through video trial recordings prior to factory release.
Full support for FOB, CIF (Laem Chabang / Bangkok port), CFR, and EXW shipment terms with complete English/Thai operational documentation, wiring schematics, and wear-part packages.
Remote telemetry diagnostics, on-site commissioning options by experienced factory technicians, and immediate air-dispatch of critical consumable needles, guides, and pushers.
Crucial technical, operational, and commercial insights for engineers and plant managers procuring stator equipment in Nakhon Ratchasima.
Consult with our automation application engineering team today. Send us your stator lamination drawings, target daily cycle volumes, and slot specifications to receive a full proposal, cycle time calculation, and itemized quotation.