Robot joints and actuation
100:1 strain-wave reduction with 9.6 N·m rated and 66 N·m momentary torque in a Ø70 × 23.5 mm set suits a robot joint or humanoid actuator.
Engineering inference
Leaderdrive
Leaderdrive LHSG-14-100-I Harmonic Gear
Leaderdrive LHSG-14-100-I is a size-14 strain-wave (harmonic) gear set with a 100:1 ratio: 9.6 N·m rated torque at 2000 r/min, 34 N·m peak, 66 N·m momentary, 8000 r/min maximum input speed, backlash up to 10 arcsec, 0.38 kg, Ø70 mm × 23.5 mm with a 15,000 h design life.
LHSG-14-100-C-IDevelopment boardPrice$950.00aifitlab.com · in stock
Buy at aifitlab.com Overview
Motor essentials
Facts about the complete product. Unknown values remain open design questions.
- Gear reduction
- 100:1
A good fit for
Guidance to help you shortlist. The basis is shown for each recommendation.
Precision positioning
Backlash of at most 10 arcsec (printed in the parameter table) suits positioning axes.
Engineering inferenceNo-load speed, rated performance and stall limits describe different operating points. A stall specification is not a continuous operating rating.
3D model & CAD
3D model & CAD files
Generated from the datasheet's dimensioned drawing and measured against it. Download the STEP to check fit in your own enclosure.
- Envelope (L × W × H)
- 70 × 70 × 23.5 mm
- Verification
- generated
- Envelope complete
- Yes
Ratio & output
Ratio, torque and output
What the gearbox multiplies and what it bolts to.
- Reducer type
- strain wave
- Gear ratio
- 100:1
- Rated output torque
- 9.6 N·m
- Peak output torque
- 66 N·m
- Max input speed
- 8,000 rpm
- Backlash
- 0.167 arcmin
- Input
- wave generator hub with Ø6 mm H7 bore and 2 P9 keyway
- Output shaft
- component-set flanges (circular spline Ø70 h7 with 8 × Ø3.5 on Ø64; flexspline with 8-M3x5 on Ø44) — no shaft
- Weight
- 380 g
Rated output torque is continuous; peak is short-duration. Backlash is measured at the output.
Specifications
Motor performance
No-load, rated-load and stall figures retain their separate test conditions.
Stall torque and current are not continuous ratings. Check the duty cycle and starting load when choosing the driver and power supply.
Thermal limits by level
Product operating conditions, chip ambient ratings, package case limits and junction maxima remain separate.
Motor body
Mechanical dimensions
Reported product dimensions may exclude protruding components. Unknown height does not establish a complete clearance envelope.
- Length
- 70 mm
- Width
- 70 mm
- Reported height / thickness
- 23.5 mm
Attached generated geometry is an approximate envelope. A generated outline does not establish an electrically verified PCB footprint.
Complete structured record
Every available field, including details beyond the summaries. Null means the value has not been established.
Sourcing & files
Supplier offers
US / USD is the target market. Observed price and stock are separate from a delivery quote.
aifitlab.com
US · USD
$950.00Minimum quantity unknown
- Observed stock
- in stock
- Checked
- Oct 20, 2026, 05:45 AM UTC
- Delivery estimate
- Not quoted
This observation is stale or has no verified check time. Recheck with the supplier.
Visit supplier (opens in a new tab)Delivery depends on quantity, postal code and shipping method. A dispatch statement such as “ship today” is not an arrival estimate.
Design files and references
Each source keeps its own verification status. Confirm the part revision and file contents before using it in a design.
Datasheet (opens in a new tab)
Manufacturer reference
Leaderdrive LHSG strain-wave gear — product photo (AIFIT Lab) (opens in a new tab)
Unverified reference
inspected: silver strain-wave gear component set with flange, bore and bolt holes, leaderdrive logo; series photo, not size-specific; reseller listing
STEP (generated from datasheet drawing) — link unavailable
Generated asset
cad_check passed
Generated envelope geometry may also exist for this record. It does not replace manufacturer CAD or a verified electrical land pattern.
Source evidence
Document provenance, retrieval dates and the field groups supported by each source.
Supports: spec.geometry.cad.bbox.height_mm, spec.geometry.cad.bbox.length_mm, spec.geometry.cad.bbox.width_mm, spec.geometry.cad.envelope_complete, spec.geometry.cad.mesh_path, spec.geometry.cad.step_path, spec.geometry.cad.verification, spec.geometry.dimensions.height_mm, spec.geometry.dimensions.length_mm, spec.geometry.dimensions.width_mm, spec.geometry.other.weight_g, spec.provides.backlash_arcmin, spec.provides.features, spec.provides.gear_ratio, spec.provides.input_interface, spec.provides.max_input_speed_rpm, spec.provides.output_shaft, spec.provides.peak_output_torque_nm, spec.provides.rated_output_torque_nm, spec.provides.reducer_type, spec.usage.pinout_complete
sha256 191fc154eb4d53dfaa5cc660984d6c648e9d9eee268f72b302bd48872260f65c
Supports: offers
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FAQ
Leaderdrive LHSG-14-100-I Harmonic Gear questions
How much does the Leaderdrive LHSG-14-100-I Harmonic Gear cost?
From $950 at aifitlab.com. Prices are observed unit prices before tax and shipping.
What are the Leaderdrive LHSG-14-100-I Harmonic Gear dimensions?
70 × 70 × 23.5 mm. A STEP model is available for enclosure fit checks.
Where does this Leaderdrive LHSG-14-100-I Harmonic Gear data come from?
Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.