When a voltage is applied to an AC induction motor, it runs at a certain speed. Variable speed requirements for AC induction motors are typically fulfilled by a 3-phase motor and an inverter, or VFD. This blog post introduces another option.
Welcome to Oriental Motor's "Engineering Notes" Blog:
Products and technology are only valuable when coupled with skilled people and services to support them. ORIENTAL MOTOR U.S.A. CORP. has dedicated over 33 years to establishing a service and support system to better serve customers. It is our goal to provide the best product and service from the design phase, through the sale and beyond.
Our blog will feature:
- Introductions to New Products and Technology
- Application Examples, Improvements and Problem Solving
- Tips and Recommendations for Motor Selection, Installation and Use
There are three main types of stepper motors available in the market: PM type, VR type, and hybrid type. What are their differences, and which one should you use?
No matter how many functions a product offers, without an intuitive, easy-to-use software, those functions can be difficult to implement.
An easy way to alter the speed and torque characteristics of a stepper motor is to connect it to a different type of driver or change its wiring configuration. However, there's more to it. Knowing the pros and cons between "unipolar" and "bipolar" can make or break your stepper motor performance.
For someone who has never had experience wiring I/O for motion control, it can be scary the first time. If devices are not wired correctly, it can cause a range of issues from a motor simply not doing what's expected to irreversible product damage. I still get that nervous feeling before I press the START button on a demo. Murphy's Law, anyone?
The significance of position control accuracy of motors varies depending on the application. For an AGV in a farm with DC motor-driven wheels, position control accuracy is probably not as crucial as a surgical robot where incisions are controlled by servo motors or stepper motors.
Besides load torque, acceleration torque, speed, and load inertia, overlooking certain sizing parameters during the motor sizing process can literally make or break your machine.
Now that we understand the calculations behind load torque and load inertia, we're two steps closer to motor selection. You might be wondering why I separated load torque and acceleration torque calculations. That's because in order to calculate for acceleration torque, load inertia and speed must be calculated first.