When motors overheat is the temperature detectable via a handheld laser or IR thermal scanner? I was thinking of investing in one and the students could then experiment to see where a motor overheats and then learn to use it for troubleshooting.
Hello ChrisR246,
After periods of extended use, the motor will heat the plastic casing until it is warm to the touch. You should be able to pick up this higher temperature with a laser, IR scanner, or thermal imaging camera. However, during brief periods of heavy loading, the PTC will trigger, the motor will “overheat,” and the outer casing will remain at room temperature.
When the PTC activates, resistance will suddenly increase and the motor will appear to stop working until the PTC cools. Because of the PTC the motor never actually overheats, though it’s certainly understandable why people would say their motor overheated when the PTC is triggered! Once the PTC cools down, the motor should be unscathed and ready to be used again.
Best regards,
Jessi
Hi Jessi,
That makes complete sense. Thank you! 