IEC Aluminum Frame
ADC12 or 6063-T5 reference for lightweight IEC-frame designs; B3, B5, B14 or B35 mounting, stator bore and end-cover pilots follow the released drawing.
DRAWING-BASED AC MOTOR HOUSING SUPPLY
AC Motor Housing Manufacturer
Drawing-based AC motor housings for induction, inverter-duty, pump, fan and industrial drives, reviewed around IEC or NEMA frame requirements. Shaft height, stator bore, end-cover pilots, foot or flange mounting, cooling features and terminal-box interfaces are defined together before the manufacturing route is released.
- IEC 56–400 or NEMA 42T–449T frame review
- B3, B5, B14 or B35 mounting defined by drawing
- Shaft height, cooling and terminal-box interfaces aligned
Product routes
Select the AC Motor Frame by Standard, Mounting and Service Duty
AC motor frames are selected around IEC or NEMA interfaces, mounting form, material, cooling method and operating environment. Final geometry and tolerances follow the released motor-interface drawing.
FOR A FASTER QUOTATION
What to Send for a Faster AC Motor Housing Quote
Send the frame standard, drawing, mounting configuration, operating conditions and expected volume together. A complete RFQ package reduces clarification rounds and helps us review material, machining and inspection requirements at the same time.
Drawing & Frame StandardSend the current 2D/3D drawing and specify IEC or NEMA frame size, shaft height, stator bore, end-cover pilots and critical tolerances.
Mounting & Interface ConfigurationDefine B3, B5, B14, B35 or drawing-specific mounting, together with foot or flange geometry, terminal-box position and cable-entry direction.
Material & Operating ConditionsSpecify cast iron, aluminum or fabricated-steel requirements, plus cooling method, operating temperature, vibration, corrosion exposure and project IP target.
Quantity & AcceptanceConfirm prototype quantity, expected annual volume and required reports for shaft height, critical bores, mounting geometry, coating or other defined characteristics.
Technical parameters for quotation
Define AC Motor Housing Requirements Before Quotation
Use these parameters to align frame standard, mounting geometry, critical fits, cooling interfaces and inspection before quotation. Reference ranges support RFQ review; final requirements follow the released drawing and acceptance plan.
| Parameter group | Project-specific review basis | Release basis |
|---|---|---|
| Frame Standard / Material | IEC 56–400 or NEMA 42T–449T interface review; cast iron, aluminum or fabricated-steel route selected around size, load, thermal duty and volume. | Released frame standard, material specification and manufacturing route. |
| Mounting / Shaft Height | B3, B5, B14, B35 or drawing-specific mounting; shaft height, foot plane, flange pilot and mounting-hole pattern defined by the mating equipment. | Released mounting form, shaft height and interface drawing. |
| Stator / End-Cover Geometry | Stator bore and end-cover pilots may reference H7/H8 fits; coaxiality or TIR 0.03–0.10 mm where specified. | Released GD&T, datum scheme, fits and inspection method. |
| Cooling / Terminal Interfaces | Cooling fins, airflow path, terminal-box position, cable entry, drain points and grounding interfaces are reviewed around the motor package. | Released cooling, terminal-box and mechanical-interface requirements. |
| Surface / Environment | Specified machined surfaces may reference Ra 0.8–3.2 μm; coating, corrosion exposure and ingress interfaces follow project conditions. | Released finish specification, masking requirements and environmental criteria. |
| Inspection / Acceptance | Shaft-height measurement, CMM, bore/roundness, flange runout, foot geometry and coating checks selected by critical characteristic. | Approved sample baseline, inspection plan and defined acceptance limits. |
| Supply Boundary | Machined frame, coated housing or drawing-defined mechanical hardware/subassembly only when included in the quotation and BOM. | Released BOM and quoted supply scope. |
IEC / NEMA INTERFACE DEFINITION
Define the AC Motor Frame Around Shaft Height and Mounting Interfaces
AC motor housing design starts with frame size, shaft height, mounting form and the interfaces shared with the stator, end covers and driven equipment. GX reviews IEC 56–400 or NEMA 42T–449T frame requirements together with B3, B5, B14 or B35 mounting before the manufacturing route is released.
- Define: Frame size, shaft height, feet, flange pilot and mounting-hole pattern before tooling or machining.
- Align: Terminal-box position, drain points, cooling direction and end-cover interfaces that affect the final motor package.
FRAME DATUM CONTROL
Machine the Stator Bore, Feet and Flange from One Frame Datum Strategy
The machining route links the stator bore, end-cover pilots, foot mounting plane and flange interface instead of controlling them as isolated dimensions. Project references may include H7/H8 fits, 0.03–0.10 mm coaxiality or TIR and shaft-height tolerances around ±0.5 mm for IEC 56–132 or ±1.0 mm for IEC 160–400 where specified.
- Before machining:Establish the relationship between stator bore axis, foot plane, flange pilot and end-cover datums.
- During production: Machine mounting and locating interfaces from controlled setups before coating and final assembly preparation.
VERIFICATION BEFORE REPEAT SUPPLY
Verify Mounting Geometry, Cooling Interfaces and Frame Fit Together
Final verification connects shaft height, stator bore, foot or flange mounting, end-cover pilots and cooling-related features to the released AC motor frame. Specified machined surfaces may be reviewed to Ra 0.8–3.2 μm, while IP23, IP55 or IP65 targets remain assembled-motor requirements rather than housing-only claims.
- Sample Approval: Confirm shaft height, bore alignment, mounting geometry and terminal-box or cooling interfaces against the released drawing.
- Repeat Supply: Carry the approved datum scheme, gauges, inspection frequency and critical limits into recurring production.
Final values apply to production only after confirmation in the released drawing, approved specification, quotation and acceptance plan.
Product and supply scope
What Is an AC Motor Housing?
An AC motor housing, or motor frame, supports and locates the stator and end covers while establishing the shaft height, mounting geometry and cooling path of the motor. For IEC or NEMA designs, foot or flange mounting, stator bore, end-cover pilots, cooling fins, terminal-box position and drain features must work as one mechanical package. Critical interfaces may use H7/H8 fits and 0.03–0.10 mm coaxiality or TIR where specified. GX supplies drawing-defined AC motor housings with the material, machining, surface finish and mechanical interfaces confirmed to the released drawing and BOM.
Project route
Translate IEC / NEMA Interfaces into Controlled Frame Datums
The manufacturing route links frame standard, material, shaft height, stator bore, foot or flange geometry and terminal-box interfaces through blank preparation, machining and surface finishing.
Interface Review
Confirm IEC or NEMA frame, mounting form, shaft height, stator bore, end-cover pilots and terminal-box orientation.
Material Route
Select cast iron, aluminum casting, extrusion or fabricated steel around frame size, load, thermal duty and volume.
Frame Forming
Produce the approved frame or blank with feet, flange, cooling ribs, bosses and required machining stock.
Stabilize and Clean
Remove flash, sand or residues and apply blasting, cleaning or stabilization where required before critical machining.
Datum Machining
Machine the stator bore, end-cover pilots, foot plane, flange pilot and mounting faces from the released datum strategy.
Finish & Interface Protection
Deburr, mask critical fits and apply coating while protecting machined, grounding and mating surfaces.
Verification
Verify Shaft Height, Mounting Geometry and Bore-to-Cover Alignment
Verification ties shaft height, stator bore, end-cover pilots, foot or flange geometry and auxiliary interfaces to the same released IEC or NEMA frame definition.
| Control item | Method / evidence | Buyer benefit |
|---|---|---|
| Shaft Height / Mounting | Height gauge, CMM or dedicated frame fixture for shaft height, foot plane and mounting position. | Confirms the motor matches the required machine or base installation geometry. |
| Stator Bore / End-Cover Pilots | Bore gauge, roundness equipment and CMM for diameter, roundness, coaxiality or TIR where specified. | Controls air gap and bearing-axis alignmMaintains stator location and front-to-rear housing alignment.ent |
| Feet / Flange Geometry | Flatness, parallelism, perpendicularity, pilot and hole-position checks. | Reduces rocking, installation stress and coupling misalignment. |
| Cooling / Terminal Interfaces | Dimensional and visual checks for cooling fins, airflow openings, terminal-box position, cable entry and drain features. | Confirms auxiliary interfaces match the released motor package. |
| Surface / Protected Interfaces | Roughness, coating thickness and masking checks on machined, mating and grounding surfaces. | Protects fit, corrosion resistance and downstream assembly. |
Application fit
Where AC Motor Housing Fits OEM Drive Systems
Application requirements are driven by mounting, load, cooling and environment—not by frame appearance alone.
Industrial Drives
IEC or NEMA frames must maintain shaft height, stator alignment and foot or flange mounting under continuous industrial loads. H7/H8 fits can be reviewed where specified.
Pumps and Compressors
Bearing alignment, flange interfaces and sealing boundaries are critical around pumps and compressors. Coaxiality or TIR may be reviewed within 0.03–0.10 mm where specified.
Fans and HVAC
Cooling fins, airflow openings and terminal-box orientation must suit the installed airflow and service space while maintaining the required mounting geometry.
Inverter-Duty Motors
Variable-speed duty increases thermal and vibration demands on the frame. Cooling paths, mounting stiffness and critical machined surfaces can be reviewed to Ra 0.8–3.2 μm where specified.
Project control
Documented Control for Repeat AC Motor Housing Supply
GX maintains drawing revision, IEC or NEMA interface requirements, material and process controls, sample approval and critical-characteristic records against the agreed project scope. Certification claims apply only to the documented company, process and product scope.
Revision and BOM Control
Housing material, frame standard, shaft height, mounting form, cooling and terminal-box interfaces, supplied components and acceptance criteria follow the current released drawing and BOM.
Sample Approval
Shaft height, stator-bore fit, foot or flange geometry, end-cover interfaces and project-specific checks are recorded to establish the approved production baseline.
Production Control
Defined gauges, fixtures, inspection frequency and acceptance limits are carried into recurring production. Where process capability is specified, Cpk ≥1.33 can be used as the reference target for defined critical characteristics.
Project evidence is defined during quotation and may include material records, shaft-height results, dimensional or CMM reports, stator-bore geometry, flange or foot inspection, surface roughness, coating and marked-drawing records.
Buyer communication
Discuss AC Motor Housing Projects Face to Face
GX Magnet meets OEM buyers and engineers at industrial exhibitions to review AC motor housing drawings, IEC or NEMA frame requirements and mating interfaces. Face-to-face discussion helps clarify shaft height, mounting form, cooling, terminal-box position and missing RFQ details before quotation or tooling is finalized.
Sample Review
Compare matReview IEC or NEMA frame size, shaft height, B3/B5/B14/B35 mounting and drawing-defined interfaces.erials, housing forms, machined interfaces and surface treatments.
Engineering Discussion
Align stator bore, end-cover pilots, feet or flange, cooling path and terminal-box configuration with the mating motor package.
Project Alignment
Align DFM, sample approval, inspection evidence, change control and recurring-order requirements before project release.
Engineering and sourcing FAQ
AC Motor Housing Questions Before RFQ and Production Release
Eight practical questions covering IEC/NEMA frame selection, shaft height, mounting form, stator and end-cover interfaces, cooling, inspection and repeat production.
How do AC motor housings differ from AC frames and DC motor housings?
The difference is determined by motor architecture, load path, bearing arrangement, cooling and manufacturing route. Compare the drawing interfaces and validation requirements rather than choosing by frame appearance alone.
Which material and process are suitable for AC motor housings?
Review cast or extruded material route, frame size and cooling requirement. The selected route must support the required datum structure, machining access, thermal behavior, surface treatment and projected volume.
Which dimensions are critical on AC motor housings?
The critical dimensions are those controlling rotor-stator alignment and final assembly. Typical review points include bearing bores, foot or flange datums, concentricity, fin geometry and terminal interfaces, but the customer drawing must identify the functional datum scheme and inspection priority.
How are bearing bores and mounting faces controlled on AC motor housings?
Control them from a consistent machining datum and verify the relationship, not only each size independently. The acceptance plan should define bore size, position or concentricity, face runout and the gauge or CMM method.
When do AC motor housings require leakage or porosity testing?
Testing is required when the housing forms a sealed cavity, coolant path or specified environmental barrier. Define coating, sealing, leakage criteria, corrosion environment and inverter-duty thermal load, test pressure or method, allowable leakage and the surfaces included in the test boundary.
How should finished AC motor housings be inspected?
Inspection should combine material or casting checks with critical machined dimensions, datum relationships, thread and surface-condition checks. Coating thickness, cleanliness, leakage or packaging controls are added only when the released specification requires them.
What information should an RFQ for AC motor housings include?
Provide 2D drawings and 3D data, material and process preference, bearing bores, foot or flange datums, concentricity, fin geometry and terminal interfaces, coating, sealing, leakage criteria, corrosion environment and inverter-duty thermal load, annual quantity and acceptance method. Identify supplied inserts, machining scope, surface treatment and any required test fixtures.
How are first articles approved for AC motor housings?
Agree the drawing revision, datum strategy, critical-characteristic list and inspection method before production approval. The first-article package should record results and approved deviations; recurring supply follows the released drawing, quotation and control plan.
Request for quotation
Request a Quote for an AC Motor Housing
Send 2D/3D files, mating interfaces, material and process requirements, operating limits, surface finish, sample quantity, annual demand and validation expectations.
- Housing dimensions, datums, critical fits and GD&T
- Stator, end-cover, bearing, mounting, connector and sealing interfaces
- Material, forming route, machining, treatment and supplied BOM boundary
- Temperature, speed, load, cooling, environment and acceptance plan