Square-Flange Servo Housing
40–180 mm flange reference with four-corner mounting; front pilot j6 and runout ≤0.01 mm reference where specified.
Drawing-based motor component supply
Servo Motor Housing Manufacturer
Drawing-based aluminum servo housings for compact and industrial motion systems, with the front flange, stator bore, end-cover pilots, encoder or brake space and connector interfaces reviewed as one precision assembly.
- Square-flange and cylindrical housing routes
- Front-to-rear datum alignment for stable air gap
- Encoder, brake and connector envelope reviewed before release
Product routes
Build the Housing Around Motion Accuracy and Thermal Duty
Servo housings are reviewed by flange geometry, motor stack, feedback system, cooling path, mounting orientation and the dynamic loads created by frequent acceleration and reversal.
Technical review
Servo Motor Housing Review Parameters
The ranges are engineering-review references. Final dimensions, tolerances and protection requirements are fixed by the released motor drawing and assembly validation.
| Parameter | Reference value / range | Release condition |
|---|---|---|
| Reference flange size | 40–180 mm | Square or round flange; IEC reference, fit j6 and DIN 42955 tolerance class N where specified |
| Housing length | 40–300 mm | Set by stator stack, end covers, encoder and brake envelope |
| Material / route | 6061-T6 billet / 6063-T5 extrusion / ADC12 HPDC | Final grade, temper and forming route by project |
| Stator / pilot / bearing fit | Stator H7/H8; bearing K6/M6; runout ≤0.01 mm reference | Press, shrink, adhesive or slip-fit route and bearing datum must be stated |
| Coaxiality / TIR | 0.02–0.05 mm review band | Front pilot, stator bore and rear cover referenced to common datums |
| Flange perpendicularity | 0.02–0.05 mm per 100 mm review band | Supports shaft alignment after machine mounting |
| Critical surface finish | Ra 0.8–1.6 μm | Locating, bearing, seal and press-fit interfaces |
| Surface treatment | Type III hard anodize 25–50 μm / powder coat / electroless Ni by project | Mask precision fits, threads, grounding and heat-transfer faces as specified |
| Protection interface | IP54 / IP65 / IP67 design targets by project | IP67 requires the defined shaft seal; finished-motor rating requires complete assembled validation |
Final values become supply commitments only when written into the released drawing, approved specification, quotation and acceptance plan.
RFQ quick facts
What Buyers Should Define Before a Servo Motor Housing RFQ
A useful quotation starts from the released geometry, mating interfaces, operating boundary and measurable acceptance criteria.
- Motor package
- Flange, stack length, shaft axis and mounting orientation
- Feedback package
- Encoder/resolver, brake, rear cover and connector envelope
- Dynamic boundary
- Rated/peak torque, speed, acceleration, reversal and vibration
- Thermal boundary
- Natural, forced-air or liquid cooling and allowable housing temperature
Product and supply scope
What Is a Servo Motor Housing?
A servo motor housing is the precision structural body that locates the stator, front flange, end covers and feedback-system interfaces. It must preserve shaft-axis alignment during rapid acceleration, reversal and thermal cycling while transferring heat into the mounting structure or cooling path.
GX supplies drawing-defined servo housings or confirmed housing subassemblies through the GX-Managed Manufacturing Network. Windings, encoder, brake, bearings, electronics and the complete servo motor are excluded unless listed in the approved BOM.
Project route
Machine the Flange, Bore and Rear Interface from One Datum Strategy
Extrusion, casting or CNC starts the geometry; controlled stabilization, clamping and inspection preserve it through surface finishing and assembly.
Package Review
Review motor stack, flange, shaft axis, feedback, brake, connector and cooling envelope.
Process Selection
Choose extrusion, casting or billet machining from geometry, length variants and demand.
Blank Preparation
Cut, inspect and stress-relieve the aluminum blank when specified; 170–200°C is a project-review reference before critical machining.
Datum Machining
Machine front flange, stator bore and rear pilot from an approved setup strategy.
Finish and Mask
Deburr, clean, anodize or powder coat while protecting fits and grounding surfaces.
Geometric Release
Verify coaxiality, runout, perpendicularity, roughness, threads and trial assembly.
Verification
Verify the Servo Alignment Chain, Not Isolated Dimensions
The control plan connects the machine-mounting flange to the stator bore, shaft axis, end cover and feedback-system interfaces.
| Control item | Method / evidence | Buyer benefit |
|---|---|---|
| Flange and pilot | CMM, height gauge and dedicated fixtures | Controls mounting position and shaft-axis orientation |
| Stator / rear bores | Bore gauge, roundness and coaxiality measurement | Maintains air gap and end-cover alignment |
| Threads / connectors | Thread gauges and positional inspection | Prevents assembly and cable interference |
| Surface finish | Roughness, coating thickness, masking and grounding checks | Protects fits, heat transfer and electrical bonding |
| Assembly evidence | Sample stator, end-cover or gauge trial where agreed | Confirms the dimensional stack before batch release |
Application fit
Where Servo Motor Housing Fits OEM Motor Designs
Application fit is established by the mating motor package, mounting, load, thermal path, environment and validation—not by the housing name alone.
Industrial Automation
Compact flange housings for indexing, packaging and handling axes.
Machine Tools
Housing datums reviewed for feed-axis accuracy, stiffness and thermal stability.
Robotics
Low-mass structures reviewed for repeated acceleration, connector routing and feedback clearance.
High-Duty Servo Drives
Finned, forced-air or liquid-cooled projects reviewed for continuous thermal load.
Project control
Documented Control for Drawing-Based Servo Motor Housing Supply
GX coordinates revision, material, process, sample approval, critical-characteristic inspection and recurring records according to the project scope. Certification claims are limited to their documented company and product scope.
Revision and BOM Control
Housing material, interfaces, finish, supplied components and acceptance follow the released revision.
Sample Approval
Dimensions, interface fit, surface and project-specific tests are recorded before recurring production.
Batch Inspection
Incoming, in-process and final controls use the agreed method, fixture, sampling and limits; Cpk ≥1.33 is the reference target where critical-characteristic capability is required.
Available project evidence is confirmed at quotation and may include material records, dimensional or CMM reports, roughness, coating, leakage, cleanliness and marked-drawing results.
Buyer communication
Discuss Servo Motor Housing Projects Face to Face
GX Magnet uses industrial exhibitions and engineering discussions to connect magnetic materials, stator/rotor interfaces and drawing-based motor-component supply.
Bring the housing and mating-component drawings. The review can identify the datum chain, supply boundary, process risks and missing RFQ information before formal quotation.
Sample Review
Compare materials, housing forms, machined interfaces and surface treatments.
Engineering Discussion
Review stator fit, bearing axis, mounting, cooling, sealing and inspection.
Supplier Evaluation
Plan DFM, sample approval, evidence, change control and recurring communication.
GX Magnet
Magnetic-Material and Motor-Component Experience Since 1992
GX combines established permanent-magnet experience with drawing-defined motor-component coordination so housing interfaces can be reviewed together with the stator, rotor, magnets, end covers and operating package.
Magnetic Interface Knowledge
Ferrite magnets, multipole rings and rotor/stator component experience support air-gap, magnet-location and assembly discussions.
GX-Managed Manufacturing Network
Forming, machining, treatment and assembly responsibilities are coordinated and stated by project rather than described as universally in-house.
Drawing-Based Verification
Critical dimensions, sample records and agreed batch checks connect the quotation to recurring delivery.
30+ Years Serving Clients Worldwide
FAQ
Servo Motor Housing Sourcing Questions
Clarify the drawing, interfaces, process route, operating conditions, test boundary and supplied BOM before comparing quotations.
Which dimensions are most critical on a servo motor housing?
The front locating pilot, mounting face, stator bore, rear end-cover pilot and their coaxiality or perpendicularity usually form the critical chain. The released drawing must identify the functional datum structure.
Can one extrusion profile support several servo lengths?
Often yes when the external cross-section and internal bore remain common. Cut length, machining, connector features and rear interfaces can then vary by model, subject to DFM.
How should the encoder and brake space be specified?
Provide the feedback and brake envelope, mounting features, axial clearance, connector type, cable direction and service access. Do not define only the outer housing length.
Can GX machine the front and rear interfaces in one setup?
A single or unified datum strategy is preferred where geometry and equipment allow it. The actual setup and inspection plan are confirmed during process review.
How is coating kept off precision fits?
The drawing or finish specification should identify masked bores, flange pilots, grounding points and thread requirements. Masking and post-finish measurements are included in the control plan.
Does the housing alone provide IP65 protection?
No. IP65 is a complete assembled-motor result involving end covers, shaft seal, connectors and fasteners. GX can manufacture the required housing interfaces and support the agreed component-level checks.
What thermal information should be provided?
State continuous and peak load, allowable housing temperature, mounting heat sink, ambient range, cooling method and any fluid pressure or flow requirements.
What is needed for a servo housing quotation?
Send the 2D/3D housing and mating-component drawings, flange size, stack length, tolerances, feedback/brake package, coating, sample quantity and annual demand.
Request for quotation
Request a Quote for a Servo 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