The ratings are continuous and intermittent. Just like many consumer products, the treadmill manufacturers have fallen to run-away ratings pressure. The continuous rating of the motor is the manufacturers rating at speed, current and voltage, under the thermal limit. However, since the treadmill...
Looking for some technical reference (International standard, ASME, etc) for specifying set screw material.
Good practice is for the hardness and material of the set screw to exceed the shaft, so that the set screw bites into the shaft.
Today we are using a 400sst shaft and 400sst set screw...
I have two rotating parts, one is 440 stainless the other is 1117 steel with oxide coat. Rust is forming between the two parts, but only where they come in contact. This happens in a normal 40-50% humidity environment.
The sst part does not rust on its own. The steel part has an oxide coat...