Stepper Motor Basic Knowledge

Preface: The first man who invent unprecedented tools for human, which cause a earth-shaking changes for human’s travel mode, even transportation. Simultaneously, New industries come into being in the world, which emerges various of job occupation for working-class.

It has been past over around 100 years since the first tricycle, running 18miles/hour, produced by Karl Bentz. Until now, 100miles/hour for supper-car has been achieved by human, the speed just takes 3 seconds from 0miles to 100miles/hour. During the 1 century, it has emerged countless car industry giant in the world. Such as, GM, Ford, Toyota, Honda. Owing to the increasing cars, which also emerges some auto parts industry to produce auto parts for different model’s car. Or some factory will remanufacture the auto parts to solve some auto parts’ issues. Sacer is such a company to help customer investigate or solve problems. We concentrate on investigating the spare auto parts for a long time.

Today, Editor will introduce a auto part named as stepper motor which applies on instrument cluster.

Part 1 what is stepper motor?

Stepper motors are DC motors that move in discrete steps. They have multiple coils that are organized in groups called “phases”. By energizing each phase in sequence, the motor will rotate, one step at a time. With a computer controlled stepping you can achieve very precise positioning and/or speed control. For this reason, stepper motors are the motor of choice for many precision motion control applications.

But Stepper motors come in many different sizes and styles and electrical characteristics. This guide details what you need to know to pick the right motor for your car. Especially, some basic steeping motor’s data you should know.

Part 2 What data do we need to know when we are choosing?

such as the step angle, motor length, rate voyage, rate current, phase resistance, phase inductance, holding torque, lead inertia, pulse motor weight and so on. Is it the soldering or not? And what’s the direction of rotation? Is it a clock rotation or counter-clockwise rotation? Or whether the shaft belongs to metal one or plastic one? How many pins do they have on the motor stepper? What’s the specification of its pins.

The above data are vital for a car. So data processing and controlling also require higher technology methods, even, it must have proficient test operation skills when the engineering is testing the stepper motor’s basic data. Otherwise, Inaccurate methods and data will cause a seriously problem for driver, even threaten our family’s life.

Most motors have torque ratings and something else, this is what you need to look at to decide if the motor has the strength to do what you want.

SA1068 is a stepper motor with mental shaft and clockwise rotation. Soldering also is needed by yourself. It is apply for car’s dashboard cluster repair. The stepper motor Applies in Chevrolet Cruz, Vw new Jetta, BMW, Hyundai, Suzuki Swift. Please follow Sacer’s updating article if you need to know more information about auto parts, such as maintenance skills and methods, the methods to choose a perfect auto parts for a car, the basic theory of the auto parts. Editor will connect it and update it patiently.

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