[AT] Machinist setup???

[charlie hill]

Hahaha.  Gene I PROMISE I didn't read your post before I wrote mine.  I
guess we think alike.  You explained it better than I did.

Charlie
----- Original Message ----- 
From: "Gene Dotson" <gdotsly at loganrec.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Tuesday, April 27, 2004 5:34 AM
Subject: Re: [AT] Machinist setup???


>     Dean;
>     Make up a fixture from angle iron a little longer than the
> part you are drilling. With the open side of the vee up, weld
> it to a plate that can be clamped to the drill press table or
> clamped in the machinist vise bolted to the table. Drill a 1/4
> inch hole near one end of the angle through the bottom of the
> vee so it can be mounted securely at the proper distance to
> drill the second hole. Drill the first hole then turn the rod
> around and insert a bolt or pin through the drilled hole into
> the pilot hole in the angle iron and drill the second hole.
>
>                     Gene
>
>
>
> ----- Original Message -----
> From: Dean VP <deanvp at att.net>
> To: <at at lists.antique-tractor.com>
> Sent: Tuesday, April 27, 2004 3:26 AM
> Subject: [AT] Machinist setup???
>
>
> : I would like to get some help on how to set up a drill press
> to do a small
> : amount of repeat drilling. I'm not a machinist but I know
> there must be a
> : simple way to set up a fixture or jig so that I can produce
> several
> : identical drilled parts using a drill press.  I do have a
> large and small
> : machinist vice that I can lock down on the drill press table.
> :
> : As an example I need to drill two 1/4" holes near the ends of
> a 3/4"
> : diameter steel rod. The critical dimension is the distance
> between the holes
> : not the distance from the ends of the rods. The tolerances
> are not tight. If
> : I can get within + or - 0.100" between the holes I would be
> ecstatic. I am
> : cutting the rods to length with a steel band saw so the
> lengths of the rods
> : will vary a little bit and that isn't critical. I would like
> to get the
> : holes at each end of the rod fairly centered, end to end but
> the dimension I
> : need to control is the distance between holes, center to
> center.
> :
> : Is there a simple way to fixture this so I can get some
> repeatability and
> : consistency with the tools I have available to me? I suspect
> those of you
> : who are machinists or have machinists skills have had to do
> this several
> : times.  I'm a shade tree mechanic trying to do something I
> don't have
> : experience doing. Any help would be appreciated.
> :
> : Dean A. Van Peursem
> : Snohomish, WA 98290
> :
> : A failure establishes only this, that our determination to
> succeed was not
> : strong enough.--John Christian Bovee
> :
> : www.deerelegacy.com
> :
> : http://members.cox.net/classicweb/email.htm
> :
> :
> :
> :
> :
> :
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