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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© 2026 NEMA Stepper Motors. All Rights Reserved.|China Factory | OEM/ODM Programs
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Clutchable Series Elastic Actuator

Actuator units incorporating physical series elasticity to absorb shock, estimate torque, and protect drive train components.

Target Buyer:Locomotion hardware teams requiring mechanical-level impact protection.
Clutchable Series Elastic Actuator

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

  • Mechanical shock absorption for high-impact loads
  • Torque estimation via spring deflection measurement
  • Energy return for cyclical locomotion profiles

Typical Applications

  • Bipedal and quadrupedal leg joints
  • Hopping or jumping robotic testbeds
  • Wearable assist and prosthetic devices

Engineering Focus

  • Spring stiffness selection (k-value)
  • Deflection measurement resolution
  • Resonance frequency management

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: 17.4Tp: 38.9Nmax: 5918Knee Point
* Graph represents nominal 48V DC bus operation.
S1 (Continuous Duty)
S3 (Intermittent Duty)

Key Evaluation Matrix

MetricTypical RangeWhy It Matters
Peak impact survival> 5x continuous torqueEnsures survival during falls or unexpected collisions.
Energy densityOptimized for gait cyclesImproves overall system energy efficiency.
Physical stiffnessCustomizable (e.g. 50-500 N·m/rad)Sets the bandwidth and shock absorption capacity.

Standard Technical Specifications

Reference parameters for the base configuration.

SpecificationTypical Range / ValueUnit
Peak Torque (Tmax)181.4N·m
Continuous Torque (Tc)74.4N·m
Nominal Voltage48V DC-
Max Output Speed118RPM
System Weight3.27kg
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

  • Spring fatigue failure: Specify shot-peened aerospace-grade spring steel and validate fatigue life.
  • Control resonance: Provide active damping algorithms specifically tuned to the spring mass.

Product Gallery

Clutchable Series Elastic Actuator
Clutchable Series Elastic Actuator
Clutchable Series Elastic Actuator
Clutchable Series Elastic Actuator

Buyer FAQ

Can the spring stiffness be changed?

We offer modular spring cartridges that can be swapped depending on payload needs.

How is spring deflection measured?

Using dual absolute encoders placed before and after the elastic element.

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.