Datasheet fit check
Voltage, speed, torque, current, thermal, and life targets.
Slotless micro brushless DC motors offering linear torque-speed characteristics and smooth operation without magnetic cogging.
Controlled technical documents
Public generic files can mislead OEM selection when winding, bearing, connector, test fixture, or acceptance criteria are still open. Technical documents are shared after model, revision, NDA, test condition, and destination scope are confirmed.
No placeholder certificates, stock proof photos, or generic public CAD downloads are published from this request block.
Voltage, speed, torque, current, thermal, and life targets.
Shaft, flange, connector, cable, and assembly interface.
Noise, load, vibration, endurance, and inspection records.
Best-fit buyer
Best for engineers designing high-speed, smooth-running devices like surgical instruments where vibration must be minimized.
Validate Before Sampling
RFQ Data That Changes the Quote
| Stage | Buyer Input | Factory / QC Checkpoint | Decision Output |
|---|---|---|---|
| RFQ feasibility review | Continuous and peak torque limits; Operating speed (RPM) range | Verify speed/torque linearity matches the controller capability | Feasibility notes, missing parameters, and sample direction. |
| Sample definition and validation | Autoclavability or sterilization requirements (if medical); Shaft, bearing, and balancing specifications | Torque linearity: Highly linear | Controlled sample scope with measurable acceptance criteria. |
| Pilot lot and repeat production | Pilot quantity, annual forecast, revision baseline, and destination | Eddy current losses at very high speeds: Use appropriate winding and lamination materials tailored for the target operating speed. | Pilot records tied to cogging torque and outgoing inspection. |
| Metric | Typical Range | Why It Matters |
|---|---|---|
| Torque linearity | Highly linear | Simplifies closed-loop control algorithms and improves positioning accuracy. |
| Cogging torque | Low by slotless architecture, confirmed by application test method | Lower cogging supports smoother motion in handheld tools, scanners, and precision actuators. |
| High-speed thermal margin | Reviewed against winding, controller, duty cycle, and enclosure heat path | Slotless motors can run smoothly at high speed, but current ripple and heat still limit life. |
Requestable Evidence Pack
Use this evidence package to keep motor claims connected to load, fixture, controller, drawing revision, and acceptance criteria before sampling or production release.
RFQ note
Do not treat quiet, long-life, efficient, or compliant as a generic claim. Confirm the measured condition, buyer fixture, sample lot, and acceptance rule for this program.
Locks the motor envelope, voltage, speed, load, shaft, connector, and revision basis before quote comparison.
Keeps current, speed, torque, power, and temperature claims tied to the real test condition.
Prevents low-noise claims from being detached from fixture, distance, controller, load, and device resonance.
Turns long-life wording into hours, cycles, environment, load, and failure criteria that can be reviewed.
Inquiry Email
Opens with the evidence checklist and buyer inputs prefilled.
Instant Chat
+86 18857971991
Use when you need a quick document-scope check before a full RFQ.
Yes, their lack of cogging torque and smooth rotation make them ideal for high-speed, vibration-sensitive surgical applications.
Check target RPM, torque, current limit, controller, duty cycle, balancing need, bearing load, sterilization or cleanliness expectations, and noise method.
Inquiry Email
Include motor type, OD, voltage, speed, load, quantity, and destination.