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COMPANY RESEARCH / 002896.SZ

Zhongda Leader

Planetary gearboxes & geared motors

Published by FyncaResearch checked How we research

Where it fits in the robot

Zhongda Leader offers precision planetary reducers matched to servo motors, including the ZE helical planetary gearbox range.

What the evidence establishes

Robotics products

The official catalogue lists planetary reducers and geared motors. This is a suitable gearbox-architecture match, without an asserted humanoid customer.

A documented robotics component or industrial robot application. Humanoid adoption is not established by the cited source.

Component rolePlanetary gearboxes & geared motors
EvidenceThe official catalogue lists planetary reducers and geared motors. This is a suitable gearbox-architecture match, without an asserted humanoid customer.
Primary sourceZhongda Leader — supporting disclosure
Company or official disclosure; vendor claims are attributed to their source.
Checked. This is the research review date, not the source publication or quote time.

Keep in perspective

Transmission-category exposure; customer adoption in humanoids is not established by the product catalog.

Specialist business exposure. This describes the breadth or role of the business; it is not an investment rating. A robotics product or development announcement does not by itself establish material humanoid revenue, market share, or future returns.

Connections to the assembly

These links explain the technology relationship. The model is illustrative and does not represent an actual manufacturer’s bill of materials.

Reduction stage

Reduction trades speed for torque, with power lost to friction and other losses. This example is planetary; humanoids also use strain-wave, cycloidal and other transmissions.

Scope of the company links: Planetary product families include Schaeffler’s disclosed two-stage humanoid actuator, Nidec ABLE and Zhaowei miniature drives. Their designs differ from this illustration. Strain-wave and cycloidal suppliers appear in the broader Joints & gears sector.

Internal ring gear

In this configuration, the outer ring is fixed to the housing. Its inward-facing teeth mesh with the planets and transmit reaction torque.

Scope of the company links: These companies make complete planetary reducers incorporating ring gears; standalone ring-gear supply is not established.

Input sun gear

The motor turns this central gear. It drives the three planet gears that mesh with the fixed ring.

Scope of the company links: Planetary gearbox integration, including the central sun gear. Strain-wave products do not use this mechanism.

Planet gears & pins

Planets spin on carrier pins while orbiting the sun, distributing load across several meshes. With the ring fixed, the ideal reduction ratio is 1 + ring teeth / sun teeth.

Scope of the company links: A planetary reducer product match. This is not a claim of standalone planet-gear or pin supply.

Output carrier

The carrier supports the planet pins and delivers the slower, higher-torque rotation to the robot link.

Scope of the company links: Complete planetary transmission integration, rather than a verified standalone carrier contract.

Related research

Companies with overlapping sector exposure. Their products and evidence may differ; this is not a list of equivalent investments.

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