Re: Need to Make A Vise

["Bob La Londe" <nospam@xxxxxxxxx>]

"Jim" <alarminex@xxxxxxx> wrote in message
news:dfff2208-e1b5-4ef1-9d20-388b97978416@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> On Sep 5, 2:10 pm, "Bob La Londe" <nos...@xxxxxxxxx> wrote:
>> 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.
>
> You didn't give great detail but could you use a construction similar
> to a pair of Vicegrips ? Much of the strength of Vicegrips is derived
> from the "channel" shape of the handles and 100 pounds is not that
> much of a force requirement. Only the teeth of the Vice grip pliers
> are really hard metal and if you are only looking for a flat face and
> not a rippled grip, that part could be a seperate part of harder metal
> and just ground flat. And again, 100 pounds of pressure is not that
> much so it wouldn't have to be that hard to begin with.

Actually a screw less vise is a pretty specific design already.  In the
metalworking newsgroup I meant to post that in all those guys know exactly
what it is.  My specific idea as an application specific version.