Humanoid Joint logoNEMA Stepper Motors
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Humanoid Joint logoNEMA Stepper Motors
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Humanoid Joint logoNEMA Stepper Motors

China-based NEMA stepper motor factory supporting OEM customization, quality control, and global delivery.

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[email protected]

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Send target torque/speed, quantity, and destination for faster RFQ response.

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+86 18857971991

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Direct technical discussion with our engineering team.

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Continuous Operating Torque Equation

Electromagnetic stator/rotor sets and direct-drive units optimized for zero backlash, thermal capacity, and torque density.

Target Buyer:System architects requiring direct-drive dynamics and transparency.
Continuous Operating Torque Equation

Engineering Resources

Download exact 3D STEP models, 2D installation tolerances, and electrical wiring PDFs. Verified for standard OEM integration.

Request 3D STEPDatasheet & 2D PDF

Capability Highlights

  • High pole-count to maximize torque-to-mass ratio
  • Low cogging torque for low-speed tracking
  • Designed for rapid thermal dissipation

Typical Applications

  • Direct-drive joints and agile robotic limbs
  • Gimbal and camera pointing systems
  • Inspection robot drive modules

Engineering Focus

  • Thermal continuous rating vs. peak rating
  • Rotor inertia minimization
  • Cogging torque harmonic analysis

Architecture & Performance Analysis

Exploded view and deterministic T-N operational envelope.

SYSTEM_ARCHITECTURE_v2.1
19-bit EncoderFrameless Torque MotorFriction BrakeStrain Wave GearTorque SensorOutput FlangeEtherCAT/CAN FD Bus
* Schematic representation. Proportions not to scale.
Feedback
Power
Transmission
PERFORMANCE_MAP_T-N
Speed (RPM)Torque (N·m)Tc: 7.4Tp: 17.5Nmax: 7308Knee Point
* Graph represents nominal 48V DC bus operation.
S1 (Continuous Duty)
S3 (Intermittent Duty)

Key Evaluation Matrix

MetricTypical RangeWhy It Matters
Torque density> 15 N·m/kgKeeps robot limb inertia low for fast accelerations.
Cogging torque< 1% of continuous torqueEnsures smooth tracking and excellent force transparency.
Thermal time constantApplication dependentDictates how long peak torque can be safely maintained.

Standard Technical Specifications

Reference parameters for the base configuration.

SpecificationTypical Range / ValueUnit
Peak Torque (Tmax)260.6N·m
Continuous Torque (Tc)81.2N·m
Nominal Voltage48V DC-
Max Output Speed102RPM
System Weight4.20kg
Ingress ProtectionIP65-
Communication InterfaceCAN FD / RS485-
* Note: These parameters represent the standard hardware configuration. Custom windings and ratios are available for OEM programs.

RFQ Checklist

  1. Target torque/speed envelope and duty cycle
  2. Mounting envelope constraints
  3. Control update rate and sensing architecture
  4. Sample acceptance and repeatability criteria
  5. Expected lifecycle and maintenance assumptions

Risk Controls

  • Overheating under stall: Embed thermistors directly in the winding overhang for fast thermal cut-off.
  • Rotor demagnetization: Use high-temperature-grade Neodymium magnets and active current limiting.

Product Gallery

Continuous Operating Torque Equation
Continuous Operating Torque Equation
Continuous Operating Torque Equation
Continuous Operating Torque Equation

Buyer FAQ

Is this suitable for quasi-direct-drive (QDD)?

Absolutely. It is designed specifically to pair with low-ratio (e.g. 1:6) planetary gears.

Do you offer frameless versions?

Yes, frameless stator/rotor sets are available for deep integration.

Related Resources

  • Contact & RFQ

Engineering Download Starter Pack

Public download links for procurement and engineering teams. No account or login required.

  • RFQ template (.csv)
  • Specification template (.csv)
  • Test report template (.csv)
  • Full resource index

Inquiry Email

[email protected]

Open email app

Send target torque/speed, quantity, and destination for faster RFQ response.

WhatsApp

+86 18857971991

Open WhatsApp

Direct technical discussion with our engineering team.