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SMT Intelligent Device Manufacturing (Zhejiang) Co., Ltd. News

Successful Vietnam Exhibition for motor manufacturing devices.

Successful Vietnam Exhibition for motor manufacturing devices.

August 16, 2023
What is the principle of 3 phase induction motor?

Consider a small ferromagnetic substance like a small iron pin pointed on a table at the centre with a screw such that the pin is free to rotate. Now if a magnet is brought nearby the pin, the pin will get an attraction force towards magnet. If the magnet begins to rotate, the pin will also rotate ...

January 9, 2018
New Stator Winding Line for F112/F132/F160/F180 are waiting for shipment

New Stator Winding Line for F112/F132/F160/F180 are waiting for shipment

April 8, 2022
One Stator Winding Line has been loaded into container

This is one set of complete stator winding line, used for three phase, 8 poles motor winding, which includes following machines: 1. Slot Insulation Machine; 2. Coil Winding Machine; 3. Coil Inserting Machine; 4. Coil Expanding Machine; 5. Intermediate Forming Machine; 6. Lacing Machine; 7. Final ...

March 24, 2022
SMT New Factory Starts Working

SMT new factory starts working now, totally landed 38000 m2 with three buildings, and can manufacture 100-150 motor winding lines in one year.

March 15, 2022
Is A Magnetic Motor That Produces Free Energy Possible?

A motor based on permanentmagnets in both stator and rotor will never work. Whishful hobbyists has tried to “break the code” for decades, but has never achieved a working motor. Lots of claims out there that it is possible. Even projects that has been founded with high amount of money. The problem ...

February 28, 2018
Which Type Of Motor Is Used In Fans?

Induction motors Vs BLDC motors: The technology explained The ceiling fan industry isin the cusp of such a transition. BLDC is the new revolution in the fan industry. And it is only a matter of time before all old inefficient induction motor fans will be replaced by smart super efficient BLDC fans. ...

February 28, 2018
Why should a DC series motor never be started on no-load?

In series motor field winding is in series to armature winding. In any DC motor the speed depends inversely on the flux and directly proportional to emf, N ~E/flux. Motor armature current is decided by the load.On no load the armature current drawn by the motor will very small. For d.c. series motor...

February 28, 2018
What are the differences between a DC motor and an AC motor?

A DC motor works in the same principle as an AC motor, with a mechanism to allow it to rotate even if the supply is not alternating. After all, simple motors work because the the direction of current reverses (alternates) every half cycle, rendering the armature to rotate. Now why does the current ...

February 28, 2018
How can I convert the single phase to three phase?

There are 3 ways (or more ) 1. Couple a single phase motor with 3-ph generators (this method is not much practical ) 2. You can go for Ernoconverter . Let me explain ……. Suppose you are having a 3ph induction motor . Connect it in delta configuration . Apply 1ph supply to any of it's winding amd ...

January 9, 2018
What Happen When One Phase Is Cut Off In Three Phase Motor?

If motor is switched on while one phase is cut off, motor will fail to start. It will make noise and draw considerable current. If proper protection (thermal overload relay / single phase preventer relay) is provided, it will trip supply to the motor. In absence of protection, motor will burn. ...

January 9, 2018
Why don't electric cars have an electric motor inside each wheel?

I’m not an EV designer, but here are 6 good reasons from first principles… Weight. Four motors are heavier than one motor and a transaxle, even with a differential to allow the left and right driven wheels to turn at different speeds while cornering. Unsprung weight. Weight that tracks the bumps in ...

November 29, 2017
What is the most unique electric motor you know of?

High torque servo motors. These look like a bracelet made of copper wire and have awesome torque. They come out of the box inside a ring-shaped neodymium permanent field magnet, from which they must never be separated, and their magnetic field is so intense that you must never, ever, overload them ...

November 29, 2017
What are a compound DC motor’s advantages? Speed Variation or Torque?

There are two primary advantages to DC motors: Speed Variation and Torque. Speed Variation Speed variation is accomplished by changing either the armature voltage or field voltage, or a combination of both. For example, a motor with a base speed of 1750 RPM and armature voltage of 500 VDC will run ...

November 16, 2017
What is the difference between servo motor & DC motor?

DC motor -DC (Direct Current) Motors are two wire (power & ground), continuous rotation motors. -The speed of DC motors is controlled using pulse width modulation (PWM), a technique of rapidly pulsing the power on and off. The percentage of time spent cycling the on/off ratio determines the speed of ...

November 16, 2017
What type of motor is used in a lift?

Older days Elevators were run by DC motors, since their RPM was easy to control, and was much cheaper. But it had a worse torque characteristics, hence has a lot of jerks and bumps for the users. Then as time passed Induction motors began to hit the market and most of the industries now use them ...

March 31, 2017

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