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Re: Need to Make A Vise



"nick markowitz" <nmarkowitz@xxxxxxxxx> wrote in message
news:1144b0ab-88fd-4e84-810b-ee15ba84b2f1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> On Sep 5, 2:11 pm, "Bob La Londe" <nos...@xxxxxxxxx> wrote:
>> Oops.  Wrong group.  Sorry.
>>
>> "Bob La Londe" <nos...@xxxxxxxxx> wrote in
>> messagenews:i60mfg$grb$1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>
>> > I have been bouncing around an idea for a specialty screwless vise.
>> > I've
>> > got the shape and design figured out, and I think I have the machine
>> > processes to make it figured out.  I'm still struggling with the exact
>> > best way to drill the pin holes, but that's not my hold up.  I'm trying
>> > to
>> > decided what material to make it out of.  The cheap steel that the
>> > Harbor
>> > freight vises are cast from machines nicely, but I don't know what it
>> > is,
>> > and I'm not sure it would be rigid enough.  I could do it with aluminum
>> > easily enough, but I really don't think that would work very well.  If
>> > the
>> > design works I can see myself using this vise for many many years, and
>> > even custom designing it for other machines.  It doesn't have to
>> > withstand
>> > tons of holding force, but it should be able to handle upto 100 lbs of
>> > holding force with minimal distortion.  I know, make it heavy, but the
>> > idea is really geared towards mini machines, so heavy really is not an
>> > option.  I suspect a 75 lb vise would cause or contribute to motor
>> > stalling on some of these machines.
>
> No problem here bob I screw post up to.
> I would look at some of the newer aluminum alloys like those used in
> pipe wrenches very strong yet light weight.
> also very machinable.
> I have several machine shops for customers i could run your idea by if
> you like.

Aluminum is not a bad idea.  I was actually considering a hard temper of
7075.  It machines nice and is very strong.  With my light (relatively)
necessary holding force it should be ok.  I'll need to remember to mark any
leftover pieces though as 7075 doesn't weld worth a darn.



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