Three-Phase Core
Slot number, tooth width, bore, outer diameter, yoke thickness and stack length are matched to the approved three-phase motor drawing.
Induction Motor · Stator Core Supply
Induction Motor Stator Core Manufacturer
Custom induction motor stator cores and lamination stacks built to your drawings for AC asynchronous motor applications. Supplied as iron cores only — copper winding not included.
- Induction stator core / lamination stack only
- 0.20–0.50 mm electrical-steel laminations
- 60–1000 mm OD and 20–600 mm stack-height reference range
Core configurations
Induction Motor Core Options
Each structure is reviewed from the electrical-steel lamination drawing, stack method, critical datums and inspection requirements.
Induction Motor Stator Core Technical Specifications
| Parameter | Specification / Range |
|---|---|
| Product Type | Induction motor stator core / electrical-steel lamination stack |
| Material Grade | 30A230–50W470 non-oriented electrical-steel reference family (JIS C 2552 / GB T 2521) |
| Lamination Thickness | 0.30–0.50 mm standard; 0.20–0.30 mm available on request |
| Outer Diameter | 60–1000 mm reference range |
| Stack Height | 20–600 mm reference range |
| Magnetic Flux Density | ≥1.69 T at B₅₀ (5000 A/m), per IEC 60404; ≥1.60 T minimum across the grade range |
| Core Loss | 2.3–4.7 W/kg at 1.5 T, 50 Hz, grade-dependent (per IEC 60404-2); low-loss grades (30A230) achieve ≤2.3 W/kg |
| Burr / Flatness | Burr ≤0.02 mm; Flatness ≤0.03 mm (OD ≤200 mm) / ≤0.08 mm (OD 200–500 mm) / ≤0.15 mm (OD >500 mm), per drawing |
| Slot Geometry | Open, semi-closed, pear-shaped, trapezoidal or drawing-defined slot geometry |
| Operating Temperature | –40°C to +180°C, subject to coating and project validation |
| Supply Boundary | Stator core only; copper wire, coils, winding, slot insulation insertion and winding electrical tests are excluded |
Core capability
Four Parameters for Initial Engineering Review
Each point combines a measurable range with its relevance to stator-core sourcing. Final values are confirmed against the approved drawing and test condition.
- Electrical Steel
- 30A230–50W470 grades; 0.35–0.50 mm for 50/60 Hz motors, 0.20–0.30 mm for high-efficiency applications (JIS C 2552 / GB T 2521)
- Core Size Range
- 60–1000 mm OD and 20–600 mm stack height; typical L/D ratio 0.5–2.5; supports single-phase and three-phase motor projects from residential to industrial applications
- Magnetic Targets
- ≥1.69 T at B₅₀ (5000 A/m); 2.3–4.7 W/kg at 1.5 T, 50 Hz, grade-dependent (per IEC 60404)
- Core Accuracy
- Burr ≤0.02 mm (≤0.35 mm sheet) / ≤0.03 mm (0.50 mm sheet); Flatness ≤0.03 mm (OD ≤200) / ≤0.08 mm (OD 200–500) / ≤0.15 mm (OD >500)
Product and supply scope
What is an Induction Motor Stator Core?
An induction motor stator core is the stationary magnetic circuit of an AC asynchronous motor, built from stacked electrical-steel laminations. It carries the slot geometry, bore, outer diameter, stack height, material grade, and joining method defined by the motor design.
GX supplies this stator iron core as a stamped and stacked lamination assembly, produced strictly to the customer's approved drawing. Copper wire, coils, winding, terminals, bus bars, sensors, VPI (Vacuum Pressure Impregnation), and winding electrical tests are excluded from the supply scope.
Core-only supplyThe deliverable is the stator iron core or lamination stack, manufactured and inspected to the approved drawing revision.
Material controlElectrical-steel grade, insulation coating, and lamination thickness are locked at initial sample approval and remain fixed for series production.
Dimensional controlOD, bore, tooth width, slot geometry, stack height, and reference datums are verified against the released drawing.
Excluded scopeCopper winding, coil insertion, VPI, winding-related assembly, and winding electrical tests are not included in the supply scope.
Core manufacturing route
From Drawing Review to Approved Stator Core
The route focuses on electrical-steel selection, lamination geometry, stacking, joining and dimensional inspection.
Drawing Review
OD, bore, slots, tooth width, yoke, stack height, datums and annual volume and batch size are checked.
Material Review
Electrical-steel grade, thickness, insulation coating, core loss and magnetic flux density targets (per IEC 60404) are confirmed.
Tooling Route
Laser-cut samples or stamping tooling are selected from volume and geometry.
Lamination Production
Slot profile, bore, OD, burr, lamination flatness and edge quality follow the drawing requirements.
Stack and Join
Interlocking, bonding, welding, riveting or clamping is applied as specified.
Core Inspection
Dimensions, stack height, flatness, concentricity, runout and burr are recorded.
Core inspection
Inspection Connects Lamination Quality to Motor Fit
The control plan follows the approved drawing and agreed dimensional or magnetic test condition.
| Inspection Item | Control Approach | Buyer Relevance |
|---|---|---|
| OD / bore / slots | Critical geometry and datums checked by agreed gauges or measurement method | Controls housing fit, rotor clearance and slot consistency |
| Stack height | Measured after the specified stacking and joining route | Controls active length and motor assembly position |
| Burr / flatness | Conditional targets ≤0.02 mm / ≤0.03 mm where stated on the drawing | Supports lamination contact, fit and downstream assembly |
| Concentricity / runout | Bore and outer datums evaluated to the approved inspection plan | Supports stable rotor air gap |
| Material / loss | Grade records and agreed magnetic test conditions linked to the project | Connects supplied steel to the approved electromagnetic design |
Application fit
Where Induction Motor Cores Fit Motor Projects
Application suitability depends on material grade, lamination thickness, slot geometry, stack dimensions, joining method and operating duty.
Three-Phase Industrial Motors
Slot geometry, bore and stack dimensions are controlled to the released motor design.
Single-Phase Appliance Motors
Core slots reserve the customer’s winding layout while the supplied product remains an unwound iron core.
Pumps and Compressors
Material loss, housing fit and concentricity are reviewed with the operating duty.
HVAC Motors
Stack height, bore and slot consistency support repeatable motor assembly and air-gap control.
Quality-system support
Drawing and Change Control for Stator Iron Cores
GX Magnet applies its IATF 16949 quality system to drawing revision, material confirmation, sample approval and project-defined core inspection.
Revision ControlMaterial, lamination geometry, stack method and datums follow the approved revision.
Sample ApprovalInitial dimensions and agreed inspection results are recorded before recurring production.
Production InspectionInspection scope and sampling expectations are aligned before release.
Project-specific inspection records and magnetic data can be provided according to the approved drawing and agreed test conditions.
Buyer communication
Bring the Stator-Core Drawing, Not Only a Product Name
GX uses industrial exhibitions to discuss electrical-steel materials, stator-core structures and drawing-based manufacturing with OEM engineers and sourcing teams.
Bring OD, bore, slot profile, stack height, material grade, annual demand and inspection requirements to define the quotation route.
Core ReviewCompare one-piece, segmented, straight and skewed stack options.
Engineering DiscussionReview material, slots, datums, fit and operating duty.
Supplier EvaluationPlan drawing control, samples, inspection evidence and recurring communication.
GX Magnet
Magnetic-Material and Motor-Core Experience Since 1992
GX Magnet supports drawing-based stator iron-core and magnetic-component projects for automotive, appliance, pump, HVAC and industrial applications.
Material ReviewElectrical-steel grade, thickness and coating are matched to the stated duty.
Drawing-Based ProjectsGeometry, tooling, samples and inspection criteria follow approved revisions.
OEM CommunicationEngineering and sourcing teams receive a clear RFQ input list and core-only supply boundary.
30+ Years Serving Clients Worldwide
FAQ
Induction Motor Stator Core Sourcing Questions
These answers define the stator iron-core supply scope and initial engineering review.
What does GX supply on this page?
GX supplies the electrical-steel stator iron core or lamination stack defined by the approved drawing.
Does the supplied stator core include winding?
No. Copper wire, coils, winding, terminals, bus bars, VPI and winding electrical tests are not included.
Are the published ranges guaranteed for every design?
No. They are initial screening ranges. Final capability depends on material, geometry, tooling, stack method and inspection requirements.
What should an RFQ contain?
Provide 2D/3D drawings, material grade, lamination thickness, OD, bore, slot geometry, stack height, critical tolerances, sample quantity and annual demand.
Request for quotation
Request a Quote for Induction Motor Stator Core
Include the stator-core drawing, material, dimensions, stack method, inspection requirements, sample quantity and annual demand.
- OD, bore, slots, tooth, yoke, stack height and datums
- Electrical-steel grade, thickness, coating and loss target
- Joining method, burr, flatness, concentricity and runout
- Operating duty, sample quantity and annual demand