[sdiy] modular mounting rails?

[John L Marshall]

Use cutting oil.

To get a perpendicular start I use a block of aluminum with a hole in it
just large enough for the tap to drop through and hold the block against the
hole.


----- Original Message -----
From: Scott Gravenhorst <music.maker at gte.net>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Sunday, November 04, 2001 5:09 PM
Subject: Re: [sdiy] modular mounting rails?


> How thick was the steel?  I used to have to do alot
> of tapping with 1/8 inch steel.  I was shown by one
> of the machinists to lubricate the hole, and you turn
> the tap in a bit and back it out, in a bit and back
> it out.  Every so often, clear the bits of metal.
> I never broke a tap doing what they said.  6-32 thru
> 10-32 mostly.  I used a hand held tapping tool.
>
> Don Tillman <don at till.com> wrote:
> >   From: ElmacacoX at aol.com
> >   Date: Sun, 4 Nov 2001 15:47:15 EST
> >
> >   those of you who build your own modular cabinates and stuff, what
> >   do you use for the rails?  and where can I get them?
> >
> >I just built a modular enclosure with MOTM-compatible mounts.  I tried
> >to do a nice job and it turned out to be a lot of work.  (Surprise.)
> >
> >For the rails I used an L-shaped 3/4-inch by 3/4-inch, 1/8-inch thick,
> >aluminum beam, available at Home Depot or any well-stocked hardware
> >store, drilled holes with a #29 drill, tapped them to 8-32, and took a
> >slice of the beam off with a band saw to bring it down to 1/2-inch by
> >3/4-inch.
> >
> >(I attempted using an L-shaped 1/2-inch by 1/2-inch steel beam, also
> >available at Home Depot, but tapping steel screw holes must require
> >special skills and knowledge that I don't have.  I kept breaking the
> >taps.)
> >
> >If you don't have access to a drill press and band saw (or if you're
> >smarter than me and you don't want to go through that much trouble)
> >you can either get mounting brackets from SynthTech or use wood rails.
> >
> >  -- Don
> >
> >--
> >Don Tillman
> >Palo Alto, California, USA
> >don at till.com
> >http://www.till.com
> >
>
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