OEM collaboration for winding, magnetic circuit, and packaging adaptation to project-specific performance targets.
A useful custom electromagnetic review begins with required torque-speed points, bus voltage, current limit, thermal boundary, and mechanical envelope. Without those inputs, customization becomes guesswork and creates unnecessary sample loops.
Changing turns, wire gauge, resistance, inductance, or magnet circuit can shift speed ceiling, heat generation, drive tuning, and Back-EMF. Buyers should review the full tradeoff instead of asking only for higher torque.
Each sample should be tied to a drawing revision, winding assumption, material note, and acceptance gate. This prevents confusion when engineering, purchasing, and factory teams compare different versions.
| Program Metric | Typical Range | Procurement Value |
|---|---|---|
| Design Closure Lead Time | Project dependent | Faster requirement closure reduces costly sample iteration loops. |
| Performance Fit Ratio | Validated against agreed boundary set | Shows whether the proposed design meets the project target envelope. |
| Evidence | Why It Matters |
|---|---|
| Motor constant and winding assumption summary | Ask for the intended Kt/Ke direction, resistance/inductance expectation, and thermal assumption behind the proposed custom winding. |
| Controlled drawing or CAD revision | Use a revisioned interface file so later changes in slot, cable, connector, or stack height do not enter production silently. |
| Sample test plan | Request which evidence will be returned after sample build: dimensions, Back-EMF, resistance, insulation, no-load current, and visual inspection. |
Use this page as a control framework to separate technical decision, supplier risk, and commercial release. An OEM capability only reduces risk when it becomes a review step, evidence request, and approval responsibility.
Define who can approve winding, cable, sensor, packaging, documentation, or process changes before sample or PO release.
Tie each change to CAD, datasheet, QC record, process photo, test report, or compliance statement according to program risk.
For repeat orders, compare revision, lot, outgoing checklist, and packaging before assuming an earlier approval still applies.
Yes. Early engineering alignment is recommended to reduce downstream risk.
Yes. We support controlled revision rounds with clear freeze milestones.
Email RFQ
Use email for formal RFQ details, drawings, and specification files.
+86 18857971991
Use WhatsApp for quick pre-RFQ clarification and response.
