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Homebrew PCBs

Index last updated: 2026-04-28 23:05 UTC

Message

Re: [Homebrew_PCBs] Re: 1 hour drill press

2005-12-13 by Mycroft2152

Makes sense now.

I see you are using DipTRace. How do you like it? I'm
an old EAGLE user and just started using DipRace.

Myc




--- adicont2 <adicont2@...> wrote:

> --- In Homebrew_PCBs@yahoogroups.com, "Stefan
> Trethan" 
> <stefan_trethan@g...> wrote:
> >
> > On Tue, 13 Dec 2005 19:39:37 +0100, Mycroft2152
> <mycroft2152@y...>  
> > wrote:
> > 
> > > Back to the original 'train' of thought... Not
> > >
> > > everyone has a spare valve spring in their
> workshop.
> > >
> > > The rubber ball would replace the spring in a
> long
> > >
> > > lever drill press.
> > >
> > >
> > > The 'wobble' would be controlled by the type of
> hinge
> > >
> > > used, not the ball or spring.
> > >
> > >
> > > It seemed that, an auto shock absorber was a
> clever
> > >
> > > use, it was a serious overkill and huge for a
> simple
> > >
> > > driller with a few mm travel. Now if there were
> some
> > >
> > > 10 cm shock abosrbers, it would be different.
> > >
> > >
> > > Myc
> > 
> > 
> > AH, i see, just to balance the pivoting arm!
> > I thought (and still do) the car shock absorbers
> were intended to be 
> used  
> > as linear slides for a non-pivoting type of press.
> > 
> > I don't think it is very difficult to find a
> spring, and a 
> counterweight  
> > on the back of the arm works well here, but a
> rubber ball of some 
> sort  
> > would surely work as well. I reckon even rubber
> bands can be used if 
> some  
> > standoff mechanism is used.
> > 
> > ST
> >
> 
> 
> 
> 
> My "back door car shock absorber" is a gas spring.
> You can see it at 
> http://www.mcmaster.com/
> Yes there is some missunderstandings here ;-)
> I talk about a linear slides for a non-pivoting type
> of press. A 
> absolutly now play one. This is not a 1 hour
> project, but 2-3 hours...
> Take a look here for a simple schematic:
> http://tinypic.com/view/?pic=ilfuh1
> 
> 
> 
> Adrian
> 
> 
> 
> 
> 
> 
> 


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