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20mm Diameter Gearbox Stepper Motor 20BY45-20GB Multiple Gear Ratio Optional

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Changzhou Vic-Tech Motor Technology Co., Ltd.

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20mm Diameter Gearbox Stepper Motor 20BY45-20GB Multiple Gear Ratio Optional

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Brand Name :	VIC-TECH
Model Number :	20BY45-20GB
Certification :	RoHS
Price :	$4.5~7/unit
Payment Terms :	MoneyGram, Western Union,Credit Card,T/T, L/C
Supply Ability :	10000Units per month
Delivery Time :	10~30 days after receiving sample payment

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20mm Diameter Gearbox Stepper Motor 20BY45-20GB Multiple Gear Ratio Optional

20mm Diameter Stepper Motor With Gearbox 20BY45-20GB Multiple Gear Ratio Optional

Description

20BY45-20GB is a 20BY45 permanent magnet stepper motor attached with a GB20 20mm diameter gearbox.
The step angle of the single motor is 18°/step.
With different gear ratio, it would have different output speed and torque performance.
If customers want more torque, we suggest to user higher gear ratio.
If customers want higher output speed, we suggest to keep gear ratio down.
The length of gearbox is related to gear levels, with more levels, there are more gears, and it makes the gearbox longer:
Gear levels: 3/4 levels, gearbox length 16mm, gear ratio: 10:1~31.25:1
Gear levels: 5 levels, gearbox length 17.5mm, gear ratio: 50:1~78.1:1
Gear levels: 6 levels, gearbox length 19mm, gear ratio: 100:1~195.3:1
Gear levels: 7 levels, gearbox length 20.5mm, gear ratio: 250:1~488.3:1

Parameters

Model No.	20BY45-GB20
Motor diameter	20 mm
Drive voltage	8V DC
Coil resistance	10Ω±10%/phase
Number of phase	2 phases (bipolar)
Step angle	18°/ gear ratio

Gearbox parameters

Gear ratio	10:1	12.5:1	25:1	31.25:1	50:1	78.1:1	100:1
Tooth number	14	20	18	14	18	15	18
Gear levels	3	3	4	4	5	5	6
Efficiency	71%	71%	64%	64%	58%	58%	58%
Gear ratio	125:1	156.25:1	195.3:1	250:1	312.5:1	390.6:1	488.3:1
Tooth number	15	14	16	15	19	15	14
Gear levels	6	6	6	7	7	7	7
Efficiency	52%	52%	52%	46%	46%	46%	46%

Design Drawing

Application

Geared stepper motors, widely used in Smart home, personal care, home appliance equipment, smart medical equipment, smart robot, smart logistics, smart cars, communication equipment, smart wearable devices, consumer electronics, camera equipment, and other industries.

Lead Time and Packaging Information

Lead time for samples:
Standard motors in stock: within 3 days
Standard motors not in stock: within 15 days
Customized products: About 25~30 days (based on complexity of customization)
Lead time for building a new mold: generally about 45 days
Lead time for mass production: based on order quantity
Packaging:
Samples are packed in foam sponge with a paper box, shipped by express
Mass production, motors are packed in corrugated cartons with transparent film outside. (shipping by air)
If shipped by sea, product will be packed on pallets

Shipping Method

On samples and air shipping, we use Fedex/TNT/UPS/DHL. (5~12 days for express service)
For sea shipping, we use our shipping agent, and ship from Shanghai port. (45~70 days for sea shipping)

FAQ

1.Are you a manufacturer?
Yes, we are a manufacture, and we produces mainly stepper motors.

2.Where is your factory location? Can we visit your factory?
Our factory is located in Changzhou, Jiangsu. Yes, you are very welcome to visit us.

3.Can you provide free samples?
No, we don’t provide free samples. Customers won’t treat free samples fairly.

4.Who pays for shipping cost? Can I use my shipping account?
Customers pay for shipping cost. We will quote you shipping cost.
If you think you have cheaper/more convenient shipping method, we can use you shipping account.

5.What’s you MOQ? Can I order one motor?
We don’t have MOQ, and you can order only one piece sample.
But we recommend you to order a little bit more, just in case the motor is damaged during your testing, and you can have a back-up.

6.We are developing a new project, do you provide customization service? Can we sign a NDA contract?
We have over 20 years of experience in stepper motor industry.
We have developed many projects, we can provide full set customization from design drawing to production.
We are confident we can give you few advice/suggestions for your stepper motor project.
If you are worrying about confidential issues, yes, we can sign a NDA contract.

7.Do you sell drivers? Do you produce them?
Yes, we do sell drivers. They are only suitable for temporary sample test, not suitable for mass production.
We do not produce drivers, we only produce stepper motors

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