I want to thank everyone that responded to my request. If nothing else, I got some education on worm gears.
We think we have found the problem and a solution.
To give a summary that will cover most of the points that have been brought up:
The unit is used for about 15 seconds at a time...
Thank you both for the responses. They each provided me some insight into my problem.
In response to some of what plasgears said, I have the following: The worm gear is steel, not sure of the HT. But the set is a hard worm with a soft gear. Thought part of the problem is that the gear is...
This is my first experience dealing with a worm gear unit. I have a right-angle worm gear box with a 20:1 reduction. The worm is steel (not sure of the spec) and the worm gear is Copper Alloy C92900. Have a problem with a number of the units having the worm gear failing (teeth breaking)...