CAD CAM EDM DRO - Yahoo Group Archive

Re: NEMA 34 motor mounting question

on 2003-01-10 19:55:31 UTC
Hi Hans,

The raised section is the alignment section.
It should be machined and your relief should be machined so it is a
tight fit.

The holes for bolting are to keep the unit it place, not for
alignment purposes.


Dave

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Hans Wedemeyer <xyz@h...>
wrote:
> I about to mount a NEMA 34 motor, it has a square front plate with
four equally space mounting holes.
> The hole diameter is 0.218 which seems sloppy for 10-32 and too
tight for 12-32.
> I feel like I should be using 12-32.
> Is it normal to expect the end user to drill these mounting hole to
suit !
>
> Next question:
> The front mounting plate is not complete flat, it has a raised
portion (0.06") and round (2.872 diameter) .
> When I mount this to a plate I will have to remove that same amount
of metal ( and a little extra) to ensure the motor is bolted flat to
the mounting plate.
>
> What is the purpose of round raised portion !
> To me it would be better if front was flat ?
> I expect there is a good reason for this strange arrangement....
May be to make more work for machine shops !
>
> Thanks for any help...
> Hans W

Discussion Thread

Hans Wedemeyer 2003-01-10 19:39:25 UTC NEMA 34 motor mounting question turbulatordude <davemucha@j... 2003-01-10 19:55:31 UTC Re: NEMA 34 motor mounting question Matt Shaver 2003-01-10 20:26:53 UTC Re: [CAD_CAM_EDM_DRO] NEMA 34 motor mounting question Alan Marconett KM6VV 2003-01-10 20:46:05 UTC Re: [CAD_CAM_EDM_DRO] NEMA 34 motor mounting question wanliker@a... 2003-01-10 20:48:40 UTC Re: [CAD_CAM_EDM_DRO] NEMA 34 motor mounting question JanRwl@A... 2003-01-10 21:07:50 UTC Re: [CAD_CAM_EDM_DRO] NEMA 34 motor mounting question Hans Wedemeyer 2003-01-10 22:11:19 UTC Re: [CAD_CAM_EDM_DRO] NEMA 34 motor mounting question Raymond Heckert 2003-01-11 18:33:30 UTC Re: [CAD_CAM_EDM_DRO] NEMA 34 motor mounting question