Pillar Drill Vice Question

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Subject Author Date
Pillar Drill Vice Question Steve 09-10-2006
Posted by =?ISO-8859-1?Q?Nick_M=FCller?= on September 11, 2006, 6:11 pm
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> I thought about using the vice loose and then wondered about that
> moment when it bit in something thin and went around.

You have to hold it with your hand at the spindle!

Nick
--
The modular DRO
<http://www.yadro.de>
Engine models
<http://www.motor-manufaktur.de>

Posted by Mark Rand on September 11, 2006, 7:45 pm
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>
>Mark
>This one never had an intermediate table, I called Meddings who were
>very helpful and identified the model as MB4HRM. Its a 2 3/4inch by 3
>foot solid column and has a clamp with a worm and rack which can be
>used to move the head up and down. That kind of blocks adding an
>intermediate table, unless I junk the head raising mechanism (HRM), as
>the rack is next to the column.

OK, if the head will move with a rack and worm then you don't need an
additional table.

>
>I thought about using the vice loose and then wondered about that
>moment when it bit in something thin and went around.

It only happens once, and usually most of the hand grows back <G>.

> An X-Y table
>sounds a good option, and they don't seem too expensive. I wondered
>about using magnetic blocks either to locate the drill vice, or one of
>those magnetic surface grinder plates to hold the vice down - though
>they seem rather pricey. I suppose the swarf sticks to everything and
>you end up in a right mess. Also it just occurred to me that I could
>drill and tap the base table - I could use the drill itself to do one
>either side - maybe thats all I need for now.


Just use a drill vice and steady it by hand. There are very few occasions when
things get exciting. If they ever do, learn to ease up on the pressure when
breaking through the bottom of the hole.


regards
Mark Rand
RTFM

Posted by =?ISO-8859-1?Q?Nick_M=FCller?= on September 11, 2006, 6:07 am
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> Should I be looking for a big drill vice, or maybe a compound slide so
> that I have more options for nailing down tricky bits for drilling ? As
> I have to drill against the base-plate I can't use G-clamps.

As Mark sayed, you very rarely have to clamp down the work. You have a
vice and that's enough. Clamping the vice to the table is only usefull
when you do serial work.
But the thing that should go into one T-slot is a stop that prevents the
vice from rotating if the drill bites. Especially when boring bigger
holes.


Nick
--
The modular DRO
<http://www.yadro.de>
Engine models
<http://www.motor-manufaktur.de>

Posted by Mark Rand on September 11, 2006, 2:46 pm
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>I have followed the advice given to me here and bought a Meddings MB4
>7/8 inch bench drill - and I am very pleased with its condition and
>capability (and price) given it dates back to 1964. But I am going to
>ask a really dumb question - you see they never did metalwork at my
>school !
>
>How do I best hold the work ?
>
>This drill has just the bench base-plate, no intermediate plate. The
>base-plate has two big parallel t-slots 175mm apart. I have a couple of
>drill vices but nothing that size. I have been using my lathe to do any
>half-precision drilling up to now, and that means the work is well
>clamped to the vertical slide, but what do I need for this drill ?
>Should I be looking for a big drill vice, or maybe a compound slide so
>that I have more options for nailing down tricky bits for drilling ? As
>I have to drill against the base-plate I can't use G-clamps.
>
>I am sure there is loads of experience out there, so what do you guys
>use ?
>
>Thanks
>Steve


I have a Pacera (predecessor to Meddings) drill press that you are welcome to
the table from free for the taking if it fits. The column diameter is 2 3/4".

The drill itself is battered and has a slightly bent spindle top. but it will
do me without the table for the last couple of holes I need to do with it
before I take it to the tip.... The holes I have been using it for are 5"
diameter holes in a concrete floor so the table is a bit irrelevant.




Mark Rand
RTFM

Posted by Steve on September 13, 2006, 4:14 am
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> I have a Pacera (predecessor to Meddings) drill press that you are welcome to
> the table from free for the taking if it fits. The column diameter is 2 3/4".
>
> The drill itself is battered and has a slightly bent spindle top. but it will
> do me without the table for the last couple of holes I need to do with it
> before I take it to the tip.... The holes I have been using it for are 5"
> diameter holes in a concrete floor so the table is a bit irrelevant.

> Mark Rand
> RTFM

Does the Pacera have a high low gearchange?. I need a high/low lever
and am about to make one as Meddings can't supply, but scrounging one
would be quicker ! All I have at the moment is a slightly tortured
shaft - I think someone has been using molegrips ! Fortunately the
inside of the box is fine.

Steve


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