Welcome to Oriental Motor's "Engineering Notes" Blog:

Now that we understand the calculations behind load torque and load inertia, we're a little 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. 

Other than torque or speed, another factor should be considered when sizing motors.  

Proper sizing of a motor requires that 3 criteria must be met: torque, load inertia, and speed.  For the first part of this Motor Sizing Basics series, I will be explaining what load torque is, how to calculate it for specific application examples, and how it fits into the torque requirement for the application.

In the spirit of Thanksgiving, I thought I'd change gears (pun intended) and write about what Oriental Motor is thankful for.  

First, we are thankful for our customers for being our customers and helping us grow to be a globally reputable motion control manufacturer. 

Second, we are thankful for the awards and recognition we've received over the years.  It's always good to know that we're doing a good job and these accolades definitely serve as motivation to become even better at what we do.

While we are grateful for these awards and recognition, our greatest satisfaction comes from applying our award-winning products to solve motion control challenges for our customers.

Stepper motors vibrate.  It's what they do.  To minimize motor vibration, first we need to understand where they come from.

The terms "absolute" and "incremental" come up frequently in the world of position control.  The exact meaning can be the type of motion done by the motor in programming terms or the type of feedback device used with the motor.  In this article, we will focus on the differences between an incremental closed-loop feedback system and an absolute closed-loop feedback system.

The word, "AlphaStep", describes Oriental Motor's patented Hybrid Control technology, which offers improved stepper motor performance by sensing the rotor position and automatically switching between open-loop and closed-loop operation when necessary.  This post explains the unique technologies offered within the AlphaStep family of products and summarizes the numerous integrated options available.  It also can serve as a website navigation guide (video added).

Along with the advancement of industrial technology, maintenance methods of motion control components of a machine, such as motors, drives, and sensors, have also evolved.

Most of us still use the traditional "reactive" maintenancemethod in many aspects of life, such as replacing a dishwasher in your kitchen.  People don't buy a dishwasher until theirs doesn't work anymore.  Well, for factories that rely on consistent uptime for production, this wasn't the best strategy.  Realizing the need for improvement, maintenance personnel started to estimate life and replace motion control components before they failed.  This is called the "preventive" maintenancemethod, which also wasn't a perfect strategy for cost.  More recently, with the advancement of IIoT (Industrial Internet of Things) technologies and real-time availability of status data, another method was made possible - the "predictive" maintenance method.

Robot adoption is increasing in many industries due to global efforts in reducing long term costs, maintaining quality, and freeing up time for humans to do "human" tasks.  For example, by using a robot to clean floors or restock shelves in a supermarket, human employees can spend more time helping or selling to their customers.  A company can either tap into this robotic trend by buying ready-made robots, or by making their own with less cost. 

If engineering resources are limited, selecting the right components can reduce the difficulty and time for building a robot.

Are you using motors for a start/stop conveyor or similar application?  While AC motors are a common choice for conveyors, there is a unique speed control motor solution available that could improve stop accuracy as well as reduce footprint and cost of machine designs.