Standards covering housing design / gearing alignment 1

[geesamand]

I'm fairly aware of the AGMA standards for gear rating and gear quality. However, a gear is only as good as it's mounting.

I'm looking for quantitative guidance on the in-plane and out-of-plane alignment quality. Is there anything in the standards or literature that describes alignment quality for a given gear quality?

Thanks,

David

 

[tbuelna]

geesamand,

AGMA 915-3-A99 gives some guidance on center distance and shaft parallelism. AGMA 6001-D97 gives guidance on shaft bending effects. While tolerance control of the parts is important, what really matters is the shape/location of the parts under load.

If you have wide face dimensions, you may also have to look at crown and lead correction to optimize load distribution across the face. But I don't know of any reference that would give recommendations for those. It would probably require a good FEA to get right without lots of trial and error.

Hope that helps.
Terry

 

[geesamand]

Thanks, it's 915-3 that had what we were looking for. The same information has been superceded in AGMA / ISO 10064-3.

 

[CDGear]

Terry,

A good reference for lead modifications can be found in AGMA 927:A01. It has some good examples and demonstration spreadsheets and computer flow diagram.

Chris