[modeleng] Re: Rotary tables
- From: Patrick Coppens- Marian Lynch <sb286643@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Tue, 05 Dec 2006 16:28:48 +0100
I live in this hell , trust me 'Belgium, man Belgium!' is right...!
Patrick,
Flanders
(the Rotten state of Belgium)
peter.chadwick@xxxxxxxxxxx wrote:
>How much error is to be expected on a rotary table in terms of
>eccentricity? With a #1 Morse tapor arbor fitted into the thing (the end
>of the arbor is about 1 inch diameter) I get a peak to peak eccentricity
>of 0.004 inches. Is this a normal level of error? The error does seem to
>be mainly semi circular, although there may be a bit of quadrantal error
>as well: that's a lot less, though.
>I did have things a lot worse: the mounting plate supplied for the three
>jaw chuck proved, on inspection, to not have had the holes for the bolts
>holding the chuck down to have been counterbored sufficiently. As a
>result, the chuck wasn't square to the table. Another reason why I'll
>never go back to that supplier for anything but spares. A colleague who
>had multiple problems with that firm now claims that the Hitchhiker's
>Guide to the Universe worst curse of 'Belgium, man Belgium!' should
>actually be 'C^&*$£ UK Limited'!
>
>Peter Chadwick
>Swindon
>MODEL ENGINEERING DISCUSSION LIST.
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