This precision planetary gears are for humanoid robot joint actuators, featuring Module 1, DIN 6 accuracy, and stainless steel construction. Their compact coaxial design delivers high reduction ratios in limited spaces—ideal for arms, legs, and dexterous hands. The fine gearing ensures minimal backlash, smooth motion, and excellent positional repeatability, which are vital for dynamic balance and precise manipulation. Stainless steel offers inherent corrosion resistance and toughness, while the absence of heat treatment maintains material consistency. These planetary gears for humanoid robot boost robot agility, reduce maintenance, and enable long-term reliable performance in advanced humanoid platforms.
Planetary Gears For Humanoid Robot
Specification
Module
1
Application
Humanoid robot
Material
Stainless steel
Heat Treatment
NA
Accuracy
DIN 6
What are Key Applications of Planetary Gears used in Humanoid Robots?
If you have a chance to peek inside a humanoid robot, you’ll see planetary gears just about everywhere that matters.
They’re in the hips and knees, taking the brute force of every step, squat, or jump. They live in the shoulders and elbows, giving the arms enough muscle to lift heavy tools while still moving gracefully. Even the wrists and fingers use them – because grasping a fragile object needs both strength and a delicate touch. And yes, the neck and torso pivot also rely on them to keep the head steady and the sensors aimed right.
So why do engineers love these little gear systems?
- First, they pack a huge amount of torque into a really small, light package, which means the robot’s limbs don’t get bulky and heavy.
- Second, they have very tiny backlash, so the robot can make tiny, precise adjustments on the fly, It’s essential for not falling over when you nudge it.
- Third, the input and output shafts are in a straight line, so they fit neatly inside round joints, leaving space for cables to run through.
- Fourth, because several planets share the load, the gears don’t wear out quickly even after millions of steps.
- And finally, they’re efficient over 95%, so the battery lasts longer and the motors don’t overheat.
Production process
6-Step Production Process
Forging
Turning
Gear Cutting
Heat Treatment
ID & OD & Surface Grinding
Tooth Grinding
Forging
When gears need high performance that needs to withstand high loads, high stress, impact loads or fatigue loads, forgings are suggested to use. Forging allows metal fibers to be continuously distributed along the gear profile, significantly improving root strength and fatigue life.
Turning
This is the process of cutting and shaping solid materials into precise parts. It uses tools like lathes, mills, and drills to remove excess material. Machining transforms a simple block of metal into a finished, functional component.
Gear Cutting
Gear Cutting includes all processes to create gear teeth after rough or fine machining. It shapes teeth to ensure smooth and efficient power transfer for performance, strength and cost efficiency.
Heat Treatment
Gears need to be running with two gears or above two gears, that makes them easy to be worn-out. That’s why most types of gears need to be harden through heat treatment.
ID & OD & Surface Grinding
ID grinding, OD grinding, Surface grinding are all belonging to CNC grinding which are the foundational precision abrasive machining processes used to achieve exceptional dimensional accuracy and surface finishes, especially on hardened materials.
Tooth Grinding
Tooth Grinding are the final processes are applied after heat treatment to correct distortion, improve geometry, and achieve the final surface finish necessary for quiet, efficient power transmission.
Inspection
Strict Quality Inspection
Dimension Inspection
Material Inspection
Heat Treatment Testing
UT & MT Testing
Meshing Testing
Accuracy Testing
Dimension Inspection
Material Inspection
Heat Treatment Testing
UT & MT Testing
Meshing Testing
Accuracy Testing
Packages
Professional Packaging Safe Arrival
Customized cost-effective packages for products protection. We select multi-model solutions, combining air, sea, or land freight for the optimal balance of cost, speed, and reliability.
Inner Package
Out Package
Carton
Wooden Package
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