Two Stations Transformer Coil Winding Machine 2 Station Outer Stator Winder
- Dual-spindle synchronized winding
- Outer stator & transformer coils
- Wire diameter: 0.1 mm to 1.2 mm
Configured specifically for industrial rewinding workshops, HVAC equipment manufacturers, and marine motor assembly lines in Birkirkara and the surrounding Mrieħel industrial cluster.
In high-performance electric motors, the post-insertion forming stage represents the critical boundary condition between theoretical electromagnetic design and actual operating efficiency. When enamelled copper or aluminum conductors are wound and inserted into lamination slots, the end-turns (overhang) protrude as loose, non-rigid bundles. Without calibrated multi-axis mechanical forming, these coil heads exhibit variable axial protrusion, erratic outer diameter flare, and dangerous intrusion into the internal bore diameter.
Industrial coil forming machinery operates across two distinct metallurgical regimes: intermediate cold forming and final multi-stage volumetric shaping. Intermediate forming expands the coil overhang radially outward and compresses the axial height prior to phase-insulation barrier insertion and mechanical lacing. This expansion creates an unobstructed central corridor, allowing automated lacing needles or double-sided servo binding heads to maneuver without piercing the magnet wire enamel.
Precise internal expanding mandrels ensure that end windings do not bow inward under thermal expansion, eliminating the catastrophic hazard of mechanical rotor-to-coil rubbing during transient load peaks.
Tooling radii are CNC-profiled to prevent micro-fissuring of the polyester-imide or polyamide-imide wire insulation layer, preserving critical breakdown voltage ratings up to 3.5 kV under rapid inverter dV/dt pulses.
Volumetric compaction of the end turn bundles reduces internal air pockets. Compacting the copper overhang allows cooling airstreams from internal motor fans to wash across the windings with laminar thermal transfer efficiency.
Birkirkara, anchoring the geographic and industrial core of Malta, serves as a primary hub for specialized engineering, switchgear manufacturing, industrial maintenance, and electro-mechanical refurbishment. Along with the adjacent Mrieħel Industrial Zone and connectivity to the Grand Harbour maritime belt, operations in Birkirkara demand specialized stator forming and coil manufacturing machines capable of catering to niche European operational conditions.
Given Malta’s status as a premier Mediterranean shipping center, ship repair yards and maritime contractors based around Birkirkara routinely service marine auxiliary drives, seawater circulating pumps, and bow thruster motors. These environments demand Class H insulation systems. Our hydraulic and servo coil forming machines shape dense, silicone-glass-insulated end turns capable of withstanding the saline humidity and mechanical vibration characteristic of offshore vessel operations.
Malta's southern Mediterranean climate places relentless cooling demands on hospitality, pharmaceuticals, and manufacturing facilities. Semi-hermetic and hermetic refrigeration compressor stators rebuilt in Birkirkara require strict axial overhang limitations to fit into pressurized refrigerant shells. Precision end-turn forming ensures exact dimensional containment, preventing coil rub against compressor crankcase housings.
With Malta accelerating grid-tied solar installations and micro-grid substations, regional switchgear assemblers require multi-station outer stator and transformer winding machines. The ability to program complex wire counts and multi-tap secondary windings allows local engineering firms to deliver bespoke transformers, line reactors, and inverter chokes compliant with Enemalta grid codes.
Reverse Osmosis (RO) plants across Malta rely on continuous-duty high-pressure pump motors. When repairing or producing stators for continuous-duty water infrastructure, automated slot paper inserting and double-sided lacing prevent winding insulation drift, reducing ground fault incidents caused by localized thermal expansion during 24/7 pumping cycles.
A reference engineering matrix illustrating where coil forming equipment interfaces with winding, insulation, and rotor finishing operations.
| Stage | Process Operation | Primary Equipment | Critical Engineering Metric | Output Quality Benchmark |
|---|---|---|---|---|
| Stage 01 | Slot Liner Die-Cutting & Insertion | Slot Paper Inserting Machine | Cuff folding depth & slot fill clearance | Zero Creep / Zero Tear |
| Stage 02 | Coil Bundle Precision Winding | Multi-Station Automatic Stator Winder | Constant wire tension & turn count | ±0 Turn Accuracy |
| Stage 03 | Winding & Wedge Simultaneous Insertion | Coil & Wedge Inserting Machine | Pushing force & blade alignment | No Enamel Stripping |
| Stage 04 | Intermediate End-Turn Pre-Forming | Stator Coil Forming Press (Pre-Form) | Bore clearance & radial flare angle | > 3.0 mm Needle Path |
| Stage 05 | Servo End-Turn Structural Lacing | Double-Sided Stator Lacing Machine | Tension control & stitch pitch uniformity | Vibration Immune (IEC 60034) |
| Stage 06 | Final Volumetric Dimensional Sizing | HONGFANG Stator Forming Machine | Total stack axial height & outer diameter | ±0.15 mm Concentricity |
| Stage 07 | Rotor Outer Diameter Fine Skiving | HF-C60 Rotor Turning & Cutting Lathe | Runout, surface roughness (Ra < 0.8 μm) | Constant Air Gap |
| Stage 08 | Shaft-to-Core Interference Pressing | HF-W50 Hydraulic Shaft Press Machine | Tonnage curve & axial stop repeatability | Zero Journal Deflection |
The manufacturing sector in Malta has transitioned away from low-margin, high-labor-intensity operations toward high-value, digitally-controlled, agile automation. Facilities in Birkirkara operating in precision electrical assembly face specific economic drivers that guide their machinery procurement decisions:
Due to Malta's limited domestic workforce and high employment rates in service and financial sectors, industrial enterprises face steep labor costs for manual rewinding artisans. Implementing automatic coil forming and inserting machinery cuts cycle times by over 75%, allowing single operators to oversee multi-machine cells.
Under European Commission Regulation (EU) 2019/1781, electric motors deployed or overhauled within the EU must achieve strict IE3 (Premium) and IE4 (Super-Premium) efficiency thresholds. Precision coil shaping optimizes stator slot copper fill factors up to 78%, directly lowering electrical copper loss ($I^2R$) and enabling IE4 compliance.
Recent supply chain disruptions across Mediterranean maritime lanes have demonstrated the vulnerability of relying on foreign delivery of replacement stators. Birkirkara facilities utilizing versatile, fast-changeover coil winding and forming machinery can rewind, fabricate, and dispatch custom stators within 24 hours locally.
Operating from our modern automation manufacturing campus in Qishi Town, Dongguan, Zunqi Intelligent Equipment Co., Ltd. combines 17 years of direct international export capability with deep domain knowledge in electric motor automation. We provide comprehensive turn-key stator and rotor machinery systems engineered to European specifications without the exorbitant pricing of continental European integrators.
Every forming former, inserting pusher, and winding fixture is engineered precisely to your stator lamination drawings (OD, ID, stack height, slot dimensions). Before shipment, we conduct comprehensive validation runs using your physical samples and provide video documentation of trial runs.
We configure electrical architectures using components your maintenance technicians already stock: Siemens, Mitsubishi, Omron, Schneider, Delta PLCs, paired with SMC or Airtac pneumatics. This eliminates proprietary lock-in and guarantees local parts availability across Malta.
With an average engineering inquiry response time of under 9 hours, our technical team supports your plant operators through remote HD video telemetry, step-by-step setup guides, and fast dispatch of wearing parts and custom collets via international express courier.
Every machine undergoes vapor-corrosion inhibition (VCI) anti-rust coating, vacuum shrink sealing, heavy-gauge steel channel anchoring, and fumigation-free solid plywood export crating engineered specifically to withstand maritime container shipping into Marsaxlokk.
Practical technical and commercial answers addressing electrical grid compatibility, maritime logistics, and tooling support for Birkirkara operations.
Send your stator core dimensions (OD, ID, stack height) and wire specifications to our engineering team. We deliver custom tooling proposals, detailed line layouts, and complete machine catalogs within 9 business hours.