[modeleng] Re: milling chuck
- From: John Browning <jgb7573@xxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Thu, 8 Jan 2009 13:51:00 +0000
Hi Dennis.
I'm a bit out of my league here but here are a couple of thoughts.
Is it possible that the problem is with the register rather than the thread? If
the thread goes right through the faceplate, you should be able to put that on
the DW nose back to front, ie with the register outwards. If it goes on OK,
then the thread is OK.
Hope that helps.
John
> From: dennis.rayner@xxxxxxxxxxxx
> To: modeleng@xxxxxxxxxxxxx
> Subject: [modeleng] Re: milling chuck
> Date: Thu, 8 Jan 2009 13:15:15 +0000
>
> First of all may I thank everybody that has offered help and ideas to help
> solve this problem. I'm in a position now where I still have the problem and
> am even more confused than before! - here is what I have done...
>
> I was originally using the die unconstrained. I do not have a 3" die holder
> so I put a large jubilee clip round the die which has a screw built in
> across the gap to open the die up. I have progressively undone this screw ¼
> turn at a time and used the jubilee clip to close the gap. Each time I do a
> pass with the die I first use it with the taper entry forward and then I
> reverse it and run it up again to shoulder against the register.
>
> Lots of swarf has been removed - the die is very sharp and I use Rocol
> cutting compound.
>
> After several passes I miked over the threads and measured it as about 4
> thou under the nominal 1.125". PANIC.
>
> Then I did the same measurement on my ML7 and found that, over the threads,
> it is about 7-8 thou under the 1.125" .
>
> So carry on dieing!
>
> Now the threads on the D/W mike as 10 thou under 1.125"
>
> Still neither the lathe faceplate nor the 4-jaw chuck will fit on the D/W.
> In fact they still only engage to about 1 turn which is what they have
> always done.
>
> I thought a hobby was supposed to be fun!
>
> Any further ideas please.
>
> Many thanks
> Dennis
>
>
>
>
>
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