3272 Coreless Motor with Planetary Gearbox

3272 Coreless Motor with Planetary Gearbox

Customizations on request.
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Product Details


  • Customizations on request.

  • We are Alibaba Assessed Gold supplier.

  • We only offer new and original parts.

  • Looking forward to work with your esteemed company .

  • Help you to choose the right DC dear motor for your application .

Sandard Parameters:
NOTE: All below motors are representative, exact size & shape may change, depending upon your specific motor requirements. Ratios and shaft configurations can be designed to meet your needs. Contact our Sales deprtemnt to discuss your custom gear motor solution.

3272 Series                      
Rated Voltage                         122448V
Armature Resistance                  0.411.636.56


Max Output                 
Max Effect                          797979%
No-load Speed                         570059005900RPM
No-load Current                0.3080.1790.114A
Stall Torque                   531539547mNm
Friction Torque             
Speed Constant                        500253125rpm/V
Back Electromotive Force Constant     23.957.98mV/rpm
Torque Constant                       19.137.776.2mNm/A
Current Constant                     0.0520.0270.013A/mNm
Speed/Torque Slope                   10.710.910.8rpm/mNm
Rotor Inductance                     702701100


Mechanical Time Constant    
Rotor Moment Of Inertia               424142gcm2
Angular Acceleration                  130130130.103rad/s2



(Remarks:Above the specifications just for your review only,customized according to your need.)


Mine detection equipment

XBD-3272 Applications
Tattoo machineGrass-trimmerTattoo-machineRobot-jointsIndustrial automation equipment
Window shadesSmall electric testMine detection equipmentRotary-tattoo-machineAutomatic-curtains


can combined with gear/ encoder/ gearbox/gearbox+encoder






The hollow, basket-shaped rotor surrounds the permanent-magnet stator. The magnetic field with flux density B created by the stator interacts with the current I in the rotor winding creating rotational force F.






Structure diagram


The commutators and brushes of smaller ironless motors are usually made of precious metals such as silver, gold, platinum, or palladium. They have low friction and generate little electrical noise. Larger motors often have copper-graphite commutation systems, which can handle high-density commutated current. Due to the absence of iron in the rotor, ironless motors have low winding inductance and thus lower levels of sparking between the brush and the commutator than conventional motors. Arcing normally produces electro-erosion and shortens the motor's service life.




The company attaches importance to product quality, strict management, fine workmanship, production quality and product defects rarely or almost no, so the level of high quality products, so the price of the product is also high.

Payment of terms 


From automation to household hand tools, Sinbad coreless motors are widely used.
For example:
◆ Health Care
◆ Security  Control
◆ Medical Equipments
◆ Measuring Instruments
◆ Security Control
◆ Robotics & Automation
◆ Electronic Hand Tools



Trading Info

1.Trade Terms: FOB,CIF,EXW.

2.Shipping: By air,by express and by sea delivery.

3.Packing: Standard Export Carton.

4.Payment terms: T/T,Western Union,PayPal,MoneyGram.

(GIVE YOU the most convenient and fast way to trade)


Coreless motor planetary reducer with other reducer does not have the characteristics of high energy conversion (low energy consumption, high efficiency), start, fast braking, fast response, mechanical time constant is less than 28 milliseconds, planetary reducer can reach 10 milliseconds , The operation stability is very reliable, the speed fluctuation is very small;


Coreless motor planetary reducer with excellent characteristics is often used in precision equipment, instrumentation equipment, such as aerospace equipment, medical equipment, optical equipment, electronic equipment, robotics and so on;


In order to meet the needs of the market, coreless motor planetary reducer using custom power mode, that is, in accordance with the application scenarios, equipment, product requirements for custom power and performance, in addition, reducer manufacturers must have scientific research capabilities, and precision manufacturing capabilities in order to ensure hollow The performance and quality requirements of the planetary reducer.



1Q: Is it possible for you to develop new motors if we provide the 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 .

2Q:Can you do design for me?    

A:We have experienced designers,According to your requirement,we can add your company logo, website, phone number or your ideas...on paper box .Just give me your ideas,let us do it for you.

3Q:What is your terms of delivery?

A:We accept FOB,CIF,etc. You can choose the one which is the most convenient or cost effective for you.

4Q:What is your terms of packing?

A: Generally, we pack our goods in neutral cartons. If you have legally registered patent, we can pack the goods by your logo after getting your authorization letters.

5Q:What is your terms of delivery?

A: We accept EXW,FOB,CFR,CIF,etc. You can choose the one which is the most convinent or cost effective for you.

6Q:Can you make my customised designed products?

A: Yes, we can make the micro dc gear motor according to customer's request, like the size, color, logo and other details.

Hot Tags: 3272 coreless motor with planetary gearbox, manufacturers, suppliers, factory, price, quotation, customized
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  • Building 25, Feipeng Industry Park, Fumin Industry Zone, Pinghu Town, Longgang District, Shenzhen City, China.

  • wanling@sinbad-motor.com

  • +86-755-85215266

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