20 mm Metal Gearbox Gear Stepper Motor
Shaft Dianeter: Φ 4mm D thick 3.5mm
Voltage: DC 5V-12V
Product Description
Product Type: | CHS-GM20BY Brushless Stepper Gear Motor |
Size: | Φ25mm (different deceleration different ratio) |
Shaft length: | 10mm D Shaft |
Shaft Dianeter: | Φ 4mm D thick 3.5mm |
Voltage: | DC 5V-12V |
Weight: | About 47g |
umber of phase: | 2 Phase |
step angel: | 18 degree Step Angle |
resisitance per phase: | 20 Ω/Phase |
holding torque: | 23 gf.cm |
Detailed Images




Input stepper motor parameters
MODEL | CHS-20BY-M2019 | ||
RATED VOLTAGE | 12 V DC | CURRENT PER PHASE | 600mA / PHASE |
COIL RESISTANCE | 20±7 percent ohm / PHASE | NO.OF PHASES | 2 PHASES |
STEP ANGLE | 18 degree / STEP | EXCITATION METHOD | 2 PHASES EXCITATION |
DRIVE MODE | BIPOLAR DRIVE | COIL INDUCTANCE | 11 mH / PHASE |
| PULL-OUT TORQUE | MORE THAN | HOLDING TORQUE | MORE THAN |
32 gf-cm AT 500 pps | 60 gf-cm AT 0 pps | ||
MAX RESPONSE FREQUENCY | MORE THAN 1200 pps | MAX STARTING FREQUENCY | MORE THAN 900 pps |
INSULATION CLASS | CLASS E FOR COILS | INSULATION STRENGTH | 100 V AC FOR |
INSULATION | 100MΩ DC 500V | OPERATING TEMPERATURE | -0 - plus 55 degree |
Output parameters of deceleration motor
ELECTRICAL CHARACTERISTIC(Test frequency 700PPS) | |||||
Model:CHS-GM20-20BY Brushless Stepper Motor | |||||
Voltage:DC 12V | |||||
Reduction ratio | Gear box length L | Step angle | No-load speed | Holding torque | Pull-out torque |
1:12.5 | 16mm | 1.44 | 168 | Greater than or equal to 0.5 | Greater than or equal to 0.3 |
1:25 | 0.72 | 84 | Greater than or equal to 1.2 | Greater than or equal to 0.6 | |
1:31.25 | 0.576 | 67 | Greater than or equal to 1.5 | Greater than or equal to 0.75 | |
1:50 | 17.5mm | 0.36 | 42 | Greater than or equal to 2.5 | Greater than or equal to 1.2 |
1:62.5 | 0.288 | 33 | Greater than or equal to 3.0 | Greater than or equal to 1.5 | |
1:78 | 0.23 | 27 | Greater than or equal to 3.8 | Greater than or equal to 1.7 | |
1:100 | 19mm | 0.18 | 21 | Greater than or equal to 5.0 | Greater than or equal to 2.50 |
1:125 | 0.144 | 17 | Can't exceed 6.0kg.cm | Greater than or equal to 3.5 | |
1:156 | 0.115 | 13 | Greater than or equal to 4.5 | ||
1:195 | 0.092 | 10 | Greater than or equal to 6.0 | ||
1:250 | 20.5mm | 0.072 | 8 | Can't exceed 6.0kg.cm | |
1:312.5 | 0.0576 | 6 | |||
1:390 | 0.0462 | 5 | |||
1:488 | 0.037 | 4 | |||
The maximum instantaneous load of the reducer is only 6.0kg.cm | |||||
speed salculation formula=Step AngleFrequency60÷360(rpm/min) | |||||
Product display





Packing Delivery
PACKAGE:Standard export carton packing.
DELIVERY TIME:
3-20 days after confirming order,detail delivery date should be decided according to
production season and order quantity.
ATTENTION:
If special customs clearance documents are required, please contact us in advance for confirmation.

FAQ
Q:1.What kind of motors you can provide?
A: For now, We mainly provide micro motor and a series of dc deceleration motor, including straight tooth deceleration motor, planetary deceleration motor, worm deceleration motor.At present, our company focuses on developing various types of motors with voltage between 1VDC and 30VDC and motor diameter between 8 and 51mm.
Q:2. Can you send me a price list?
A: For all of our motors, they are customized based on different requirements like lifetime, noise, voltage, and shaft etc. The price also varies according to annual quantity. So it's really difficult for us to provide a price list. If you can share your detailed requirements and annual quantity, we'll see what offer we can provide.
Q:3. What's the lead time for regular order?
A: For orders, the standard lead time is 3-25 days and this time can be shorter or longer based on different model, period and quantity.
Q:4. Is it possible for you to develop new motors if we can provide tooling cost?
A: Yes. Please kindly share the detailed requirements like performance, size, annual quantity, target price etc. Then we'll make our evaluation to see if we can arrange or not.
Q:5.Could you send me free samples?
Yes,also we can return your samples fee back when you place order.
Populaire tags: 20 mm metal gearbox gear stepper motor, China, manufacturers, factory, customized, wholesale, bulk, in stock
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