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DP283-03&04
I.CH
28mm Reducer Motor
Square
The specification in the table is for our 28mm DC planetary gear motor—a premium gear motor for child electric products. Equipped with multi-material planetary gears for safety and durability, it delivers a maximum torque of 10kg.cm. Ideal for kid-friendly devices like electric toy cars, ride-ons and educational robots, it guarantees stable, reliable performance for young users. Beyond consumer devices, this 28mm planetary gear motor is applicable to industrial fluid sampling & measuring instruments for silicone tube squeezing. The all‑metal gear withstands sustained static rebound load. Custom D‑flat shaft avoids coupling slip during tube compression. High reduction ratio helps restrain backward rotation after power-off. We provide mechanical drawings, sample and mass-production quotations for your equipment validation.
For OEM industrial inquiry：
Kindly share key specs: voltage, target gear ratio range, shaft requirement, load condition
Application sketch / photo is welcomed for better engineering suggestion
We provide mechanical drawing review, sample price & mass‑production price in one quotation
| Gear Motor Torque & Speed | |||||||||||||||
| Reduction ratio | 1/5 | 1/14 | 1/19 | 1/27 | 1/35 | 1/51 | 1/71 | 1/100 | 1/139 | 1/189 | 1/264 | 1/516 | 1/721 | 1/939 | |
| 12V | Rated torque (Kg.cm) | 0.32 | 0.75 | 1 | 1.4 | 1.9 | 2.4 | 3.3 | 4.7 | 6.6 | 7.4 | 10 | 10 | 10 | 10 |
| Rated speed (rpm) | 1000 | 375 | 270 | 193 | 148 | 102 | 73 | 52 | 37.3 | 27.5 | 19.7 | 10.5 | 7.5 | 5.7 | |
| 24V | Rated torque (Kg.cm) | 0.38 | 0.9 | 1.2 | 1.7 | 2.3 | 2.8 | 4 | 5.6 | 7.8 | 8.8 | 10 | 10 | 10 | 10 |
| Rated speed (rpm) | 990 | 370 | 265 | 191 | 147 | 101 | 72 | 51.5 | 36.9 | 27.2 | 19.3 | 10.4 | 7.4 | 5.7 | |
| Rotation direction | CCW | ||||||||||||||
| Length （L-mm） | 24.5 | 30.9 | 37.3 | 43.7 | |||||||||||
• Different material or different spec of gears can be customized chosen, all plastic, all metal, or helical gears versions.
• Modified versions for extended temperature and special environmental conditions are available.
FAQS:
1.Q: What core parameters should be confirmed when inquiring about planetary DC geared motors?
A: Voltage, outer-diameter envelope, output shaft (diameter + flat-cut D-shape), gear-reduction range, continuous load torque, no-load current limit, and anti-back-driving holding after power-off. Also state prototype sample qty vs. forecast annual mass-production volume.
2.Q: Can a standard planetary gearbox fully prevent back-driving after power-off?
A: High-ratio multi-stage planetary gearboxes resist back-driving via friction, but true inherent self-locking belongs to worm-gear architecture. Validate holding with gear-stage/material review and static-load testing.
3.Q: How many prototype units are recommended for lab testing?
A: 3–5 samples are recommended for bench testing; multiple units reveal unit-to-unit variance before committing to mass-production quotation.
4.Q: Why do suppliers ask for application drawings, photos or videos?
A: They let engineers verify actual load, mounting space, coupling stress and duty cycles, then propose optimized gear ratio and gear material—not just match static datasheet specs.
5.Q: All-metal vs. plastic gear set?
A: All-metal gears: higher torque capacity and better wear resistance—suited to professional instrument mass-production. Plastic gears: cheaper but cannot sustain heavy static torque on silicone tubing. Material choice significantly changes price.
