RFQ Checklist
- Define peak vs continuous torque
- Provide operating duty cycle and thermal limits
- Confirm preferred communication interface
- State annual volume and target price
High torque density, low-inertia frameless joint motors with integrated CAN FD/EtherCAT drivers.
Inquiry Email
Include target torque/speed, quantity, and delivery location.
Instant Chat
+86 188 5797 1991
Opens a direct WhatsApp thread with the RFQ message prefilled.
Stator Core
High-density windings
Rotor & Magnets
Neodymium arc magnets
Harmonic Gear
Zero backlash transmission
Dual Encoders
19-bit absolute positioning
CAN FD Driver
Integrated FOC controller
| Metric | Typical Range | Why It Matters |
|---|---|---|
| Gear Ratio | 8:1, 10:1 (Customizable) | Balances speed reduction with back-drivability. |
| Peak Torque | Up to 300 Nm | Essential for jumps and heavy impact recovery. |
| Reflected Inertia | Near-zero | Enables high-bandwidth force control and transparency. |
| Weight | 0.4kg - 3.5kg | Critical for lightweight, dynamic legged locomotion. |
| Backlash (Arcmin) | < 3 Arcmin | Ensures precision and eliminates dead-zones in control. |
QDD Integration Package
For robot joint motor evaluation, engineering teams usually need more than a torque number. Ask for the 3D envelope, mounting drawing, torque-speed curve, thermal derating notes, encoder protocol, and driver command reference in the first RFQ thread.
| Data Package | Typical Contents | Why Buyers Ask |
|---|---|---|
| CAD & mounting | STEP model, flange pattern, hollow-shaft clearance, cable exit direction. | Confirms the joint can fit the hip, knee, ankle, or arm package before sample purchase. |
| Control interface | CAN 2.0, CAN FD, RS485, EtherCAT option, MIT PVT control mode notes. | Reduces firmware integration risk for force-control and high-node-count robot systems. |
| Validation data | Torque-speed curve, continuous torque boundary, thermal assumptions, backlash and backdrive notes. | Lets engineering and procurement agree on sample acceptance criteria before the quote is frozen. |
Yes, we provide frameless variants with custom winding profiles.
Yes. For qualified RFQs we can share STEP envelopes, mounting drawings, torque-speed curves, thermal notes, and interface documentation.
Share peak and continuous torque, duty cycle, gear ratio target, voltage, encoder/interface preference, mechanical envelope, sample quantity, and annual forecast.
Fill out the core engineering inputs below. The form opens a formatted email draft so you can attach CAD, BOM, drawings, or datasheets directly from your mail client without uploading private files to the website.
File Attachments (CAD / BOM / Specs)
Because we value your IP security, this form does not upload files to our web server. When you click "Send via Email App", a secure email draft will open. Please attach STEP files, 2D drawings, BOM sheets, torque curves, or PDF specs directly into that email draft.