CHIHAI CHP-16GP-050 Planetary DC Gear Motor, 12V/24V with Controller Options
CHIHAI CHP-16GP-050 Planetary DC Gear Motor, 12V/24V with Controller Options
CHIHAI MOTOR
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Overview
The CHIHAI MOTOR CHP-16GP-050 DC gear motor combines a 16 mm planetary gearbox with a compact brushed motor and D-shaped output shaft. Select 12 V or24 V, the exact reduction ratio and a motor-only, controller, rear-shaft or encoder configuration.
Features
- All-metal planetary gears and copper motor windings.
- D-shaped output shaft for secure mechanical coupling.
- Multiple ratio choices; actual combinations follow the available options.
- Optional mini PWM controller, reversing controller and power-supply packages.
- Distinct rear-shaft and encoder versions where listed.
Specifications
| Brand / model | CHIHAI MOTOR / CHP-16GP-050 |
| Motor and transmission | Permanent-magnet brushed DC motor with all-metal planetary reduction gears |
| Gearbox / motor diameter | 16 mm gearbox;15.5 mm motor-body drawing reference |
| Output shaft | 3.0 mm diameter D shaft, upper tolerance0 / lower-0.08 mm;13.5±0.5 mm projection |
| Shaft flat and front boss | Flat dimension2.6 mm upper0 / lower-0.1; front boss diameter 6.0 mm; drawing also marks diameter 2.2×0.5 and1.5 mm |
| Body / gearbox drawing | Motor 26.9 mm REF; gearbox L±0.5 mm depends on ratio; shoulder2.8 mm; rear terminal1.9±0.2 mm |
| Mounting | Two M2.0×3 tapped holes;10.5 mm front spacing;12.1 mm REF rear spacing and0.3 mm reference |
| Net mass | Approximately 37 g reference motor; ratio and attachments vary |
| Direction | Motor supports forward and reverse; bundled controller capabilities depend on package |
| Voltage | Separate12 V and24 V available configurations. Source6 V options are all out of stock and not offered. |
| Motor winding | Copper-wound armature |
| Maximum gearbox torque | 5.0kgf.cm; avoid stalled operation |
Speed and Load References
The24 V selector repeats the 12 V speed labels. Use the voltage-specific values below for matching: for example23:1 is 710 rpm at 12 V and680 rpm at 24 V. These are no-load points; the rated-speed columns apply at the listed rated torque. Non-offered ratios remain family references rather than additional purchasable options.
| Ratio :1 | 12 V no-load rpm | 24 V no-load rpm | 12 V rated rpm | 24 V rated rpm | Rated kgf.cm | Gearbox L mm | Planet stages |
|---|---|---|---|---|---|---|---|
| 4 | 4000 | 3875 | 3300 | 3000 | 0.04 | 15.8 | 1 |
| 16 | 1000 | 960 | 850 | 750 | 0.15 | 15.8 | 2 |
| 23 | 710 | 680 | 610 | 530 | 0.22 | 15.8 | 2 |
| 64 | 250 | 240 | 205 | 185 | 0.6 | 19.4 | 3 |
| 90 | 175 | 170 | 150 | 130 | 0.9 | 19.4 | 3 |
| 256 | 62 | 60 | 50 | 45 | 2.5 | 23 | 4 |
| 361 | 45 | 42 | 36 | 33 | 3.5 | 23 | 4 |
| 509 | 31 | 30 | 25 | 23 | 5.0 | 23 | 4 |
| 1024 | 15.5 | 15 | 14 | 11 | 5.0 | 26.6 | 5 |
12 V standard winding: no-load current≤120 mA, rated current≤0.28 A, stall current≤1.5 A.24 V standard winding: no-load current≤90 mA, rated current≤0.25 A, stall current≤0.5 A. Stall-torque reference for 4/16/23/64/90:1 is respectively≥0.23/0.8/1.1/3.0/4.5kgf.cm at 12 V and≥0.2/0.7/1.0/2.5/3.5kgf.cm at 24 V. For higher ratios, maximum permitted gearbox torque is 5.0kgf.cm. Stall points are not operating ratings; do not run stalled.
Controller and Connection
The red-marked motor terminal is positive in the illustrated reference; the opposite terminal is negative. Reversing motor polarity reverses direction. Match the selected nominal motor voltage and controller ratings before connection.
The optional controller illustration lists a 4.5–35 V DC input range. Feed DC only; never connect AC mains directly to the DC controller. PWM changes output duty cycle and motor speed. A mini speed-controller package does not automatically include a reversing switch: choose the explicitly reversing controller when required. Power supplies are included only in the package naming one; verify the selected voltage and input connection before use.
Applications
Compact robot drives, motorized curtains, small balancing-vehicle development and robotic mechanisms where the selected torque, speed, shaft and controller meet the requirements. A mechanism, chassis and feedback controller are not included.
What's Included
- Motor Only: one selected planetary gear motor.
- Mini PWM package: one motor and one mini PWM speed controller.
- Mini PWM + Power Supply: one motor, one mini controller and one power supply.
- Reversing Controller package: one motor and one reversing speed controller.
- Rear-Shaft Motor: one motor with the pictured rear shaft.
- Encoder Motor: one motor with the pictured encoder and lead.
Encoder resolution, logic voltage and pinout are not specified here; verify these details before connecting electronics. Motors shown together are configuration alternatives, not a multi-motor package.
Installation and Operation
Confirm shaft dimensions, hole spacing, gearbox length, terminal clearance and load before mounting. Match the selected voltage, avoid overload and stall, and select by rated torque. Speed falls as load rises; reducing drive speed can also reduce available torque. Noise varies with speed and load.
FAQ
Are12 V and24 V selector speeds identical?
The labels repeat12 V values, but actual voltage-specific reference speeds differ. Use the speed table above.
Does every package include a power supply?
No. Only the Mini PWM + Power Supply configuration includes one.
Does the mini PWM controller reverse the motor?
Direction switching is configuration-dependent. Select the explicitly reversing speed-controller package when you need that function.
Does the encoder version include a complete feedback controller?
No. The pictured encoder motor and lead are included; a feedback controller is not included, and the encoder electrical details need checking before connection.
Visual Details
