Robot Joint Modules & Micro Actuators

Integrated Robot
Joint Modules and
Micro Servo
Electric Cylinders

CAD-ready motion products for humanoid robots, cobots, dexterous hands, and precision automation.

ZHR-H17 · Harmonic Joint Module
ZHR-H17 harmonic joint module — actual product photograph
Engineering documentationTechnical downloads →Specifications →Quality documents →

Choose the motion product by load case, envelope, and integration path.

Start from the engineering constraint. Each family links to specs, CAD files, and an RFQ path for sample or OEM evaluation.

Interactive Engineering Sizer

3-Step Actuator Family Matcher

Advanced Sizing Tool →
Step 1: Motion Type
Step 2: Constraint / Payload
Step 3: Control & Bus
Recommended Family In Stock (Sample 3-5d)

ZHR-H Harmonic Joint Module

Zero-backlash, hollow-bore for internal wiring, 5-91 Nm rated. Ideal for precision robot arms and cobots.

Specs Sheet →
FT micro servo electric cylinder

FT Micro Servo Electric Cylinder

Linear actuator family

2-12 mm stroke
20-600 N force
12 V
RS485

Coating die-head control, dexterous hands, compact fixtures, lab automation.

ZHR-BC brushless servo electric cylinder

ZHR-BC Brushless Servo Electric Cylinder

High-force linear actuator

25-30 mm stroke
100-300 N force
12/24 V
DF-10PIN

Multi-axis fixtures, medical pipetting, robotic fingers & grippers, optical alignment.

ZHR-H harmonic joint module

ZHR-H Harmonic Joint Module

Precision rotary joint

5-91 Nm rated
15-210 Nm peak
24/48 V
CAN / RS485

Cobots, medical support arms, humanoid upper-body axes, inspection arms.

ZHR-P planetary joint module

ZHR-P Planetary Joint Module

Impact-tolerant rotary joint

1.6-40 Nm rated
5.5-120 Nm peak
48 V
Model-specific bus

Quadrupeds, exoskeletons, AGV/AMR drives, compact humanoid lower limbs.

ISO 9001 factory | CAD-ready actuator selection

Peak torque
120 Nm
Stroke
2-12 mm
Bus
CAN / RS485
ISO 9001 quality system CE and RoHS documents Request model-specific test records Factory-direct engineering support 3D CAD and spec sheets
Technical Data

FT Micro Servo, Harmonic & Planetary Specifications

ZHR-H Series • Rotary 70-110 mm OD
ZHR-H micro integrated harmonic joint module

Harmonic Servo Joint Modules

Integrated strain-wave reducers for cobots, medical arms, and humanoid upper limbs. Zero/sub-20 arcsec backlash precision.

Rated Torque
5 - 91 Nm
Peak Torque
15 - 210 Nm
Bus Interface
CAN / RS485
Backlash
< 20 arcsec
ZHR-P Series • Dynamic 56-118 mm OD
ZHR-P micro integrated planetary joint module

Planetary Servo Joint Modules

High torque-density quasi-direct drives for quadrupeds, exoskeletons, and humanoid lower limbs. Shock-tolerant design.

Rated Torque
1.6 - 40 Nm
Peak Torque
5.5 - 120 Nm
Voltage
48 V DC
Gearing Ratio
7.75:1 - 10:1
FT & BC • Linear Servos Micro Form Factor
FT series micro integrated servo electric cylinder

Micro Servo Electric Cylinders

High-precision linear pushers for coating die-heads, micro pipetting, semiconductor test fixtures, and dexterous hands.

Linear Stroke
2 - 30 mm
Force Output
20 - 600 N
Repeatability
±0.002 mm
Control Bus
RS485 / Modbus
CAD

Need exact mounting dimensions & 3D STEP files?

Download verified STEP models, 2D DWG drawings, and wiring pinout sheets.

Robot Actuator Applications: Humanoid, Cobot & Industrial

From agile humanoid robots to heavy-duty industrial arms.

Humanoid Robot Joint

Humanoid Robots

Compact, high-torque joints for dynamic walking.

Industrial Robot Arm

Industrial Arms

Precision positioning with harmonic reducers.

Service Robot

Service Robots

Quiet, smooth operation for sensitive environments.

Quadrupeds

Quadrupeds

High-impact absorption for terrain adaptability.

Exoskeletons

Exoskeletons & Rehabilitation

Lightweight assistance for human augmentation.

Quality Compliance Certificates
Manufacturing Excellence

Precision Actuator Manufacturing & Quality Review

  • Verify Quality Documentation

    Request the current quality-system certificate and applicable product conformity documents. Confirm the covered entity, model, scope, and validity for your order.

  • Compare Total Integration Cost

    Compare the quoted module, controller, accessories, and integration requirements against your project budget.

  • Rapid Sampling and Production Supply

    Standard in-stock prototypes dispatch in 3–5 business days (MOQ 1 unit); custom configurations dispatch in 2–3 weeks. Mass production schedules are aligned upon order confirmation.

Honest boundaries

What must be confirmed by model

Trust increases when the page says where confirmation is required. For robotics engineering buyers, this prevents mismatched samples, wrong protocol assumptions, and unnecessary procurement delays.

✓ MOQ: 1 Unit for Prototypes ⚡ 3–5 Days DHL/FedEx Air 🛠 2–3 Weeks Custom Modifications

Communication protocols are model-specific

Do not assume a bus protocol from a product family name. Confirm the exact model and driver configuration (CANopen, CAN FD, or EtherCAT) before RFQ, sample purchase, or controller integration.

ZHR-P60 communication boundary

ZHR-P60 is CAN only and does not support native EtherCAT. EtherCAT requirements must be paired with external gateways or alternative models such as ZHR-H series.

Harmonic vs. Planetary selection boundary

Zero-backlash precision trajectory axes (<20 arcsec) require ZHR-H strain wave modules. Dynamic legged robotics requiring shock tolerance, high efficiency, and backdrivability use ZHR-P quasi-direct-drive units.

Linear actuator stroke & force envelope

FT/DE models cover micro-stroke (2–12 mm) with ±0.002 mm repeatability. ZHR-BC models cover longer stroke (25–30 mm) with up to 300 N stall force to replace miniature pneumatic cylinders.

Standardized sampling & delivery lead times

Sample MOQ is 1 unit. Standard in-stock prototypes dispatch in 3–5 business days via DHL/FedEx Express; customized modifications or pilot batches dispatch in 2–3 weeks following engineering specification review.

Engineering RFQ support

Send the constraints. Get a useful actuator recommendation.

ZHR routes inquiries by product family, load case, quantity, and integration risk so engineering can respond with the right CAD, catalog, and quote path.

Include these inputs for faster evaluation

Target torque or force
Available diameter or stroke
Voltage and bus protocol
Prototype or production quantity
Direct Official Channels

Guaranteed engineering response within 24 business hours.

Request CAD, Sample Pricing, or OEM Support

Instant download of 3D CAD (.STEP), 2D drawings, and integration datasheets directly to your work email.

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24h Engineering Response Sample MOQ 1 Unit (DHL/FedEx 3–5d) T/T, PayPal & Trade Assurance

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FAQ

Common Questions

Everything you need to know about our Industrial Robot Joint Modules.

1. Core Technology & Comparison

2. Performance & Thermal Management

3. Sensors & Electronics

4. Software & Integration

5. Reliability & Supply Chain