Re: Tiny clock hands - advice please
I see is clocks and watches
Here a chart for the mini rotary table 36 tooth worm and cutting a 59 tooth moon phase.
The second file is for simple indexing 3, 4 ,5 and 7 indexing drum
Dave
By
davesmith1800
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#64530
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Re: 24V DC motor
#unimat3
It is current you have to watch for and cooling
Some will put current limiting resistor and a threamal switch.
The rule of thumb on motors max 10% over voltage.
I have always like this lathe
A year
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davesmith1800
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#64529
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Re: Taper pins
Buy extra pins that size, then. You'll likely chew them up getting them out if you do it frequently.?
Bill in OKC?
William R. Meyers, MSgt, USAF(Ret.)
Aphorisms to live by:Good judgement comes
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Bill in OKC too
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#64528
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Re: Taper pins
To add to my last comment about tapping a dowel for removal, standard dowel pins are only case hardened so they can easily be drilled and tapped.
Dick
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http://www.homemadetools.net/ forum/ OFF-
By
OldToolmaker
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#64527
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Re: Taper pins
Peter, I have tapped dowels to allow them to be removed.
Dick
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http://www.homemadetools.net/ forum/ OFF- SET-tailstock-center-65965#post105972
http://www.homemadetools.net/ forum/s...995#post112113
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OldToolmaker
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#64526
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Re: Taper pins
Many thanks everyone!
My immediate (and very temporary) use is to register the fingerboard on a classical (nylon strung) guitar before removing and re-shaping it (and the neck). I¡¯ll be adding some
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Peter Brooks
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#64525
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Re: Taper pins
Peter,
Straight dowels will likely give you all the accuracy you need. Since wood changes size with humidity and the seasons, one usually needs to allow for this by locking two pieces together at
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Gerald Feldman
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#64524
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Re: Taper pins
There are two ways to use dowels for location. The traditional way is to assemble your mechanism, or whatever, and when it is right drill and dowel the joints so it can be dismantled and rebuilt to
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Keith S. Angus
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#64523
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Re: Taper pins
Hi Peter:
McMaster-Carr has a excellent online catalog, and will ship overseas. I think they would get you good rates.
Also they sell dowel pins with tapped holes so you can pull them from blind
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Carl
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#64522
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Re: Taper pins
Thanks Dick, I¡¯m in the UK though¡
I can see a blind hole being a problem for a pin that is tapped all the way in - to fix a handwheel for instance. My purpose would be to repeatedly locate two
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Peter Brooks
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#64521
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Re: Taper pins
Good call I forgot to mention that.
Phill
By
phill005
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#64520
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Re: Taper pins
A blind taper pin cannot be removed.
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http://www.homemadetools.net/ forum/ OFF- SET-tailstock-center-65965#post105972
http://www.homemadetools.net/ forum/s...995#post112113 (
By
OldToolmaker
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#64519
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Re: Taper pins
Peter, look at MacMaster Carr for taper pin reamers and taper pins. This is a great source and they have anything.
Dick
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http://www.homemadetools.net/ forum/ OFF-
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OldToolmaker
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#64518
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Re: Taper pins
Brilliant, thanks Phil, just what I needed.
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Peter Brooks
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#64517
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Re: Taper pins
Yes no problem pre-drill a hole to depth then use the reamer to depth, you might have to do a test cut in some scrap to achieve a snug fit for the pin as you don't want the pin to bottom out.
Have a
By
phill005
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#64516
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Re: Taper pins
Thanks Phil.
Is it possible to make blind tapered holes? The broaches I¡¯ve looked at on clockmakers sites have angular points (as you have), but I see you also have what looks like a tapered
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Peter Brooks
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#64515
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Re: Taper pins
This is something I have been using for years on many different projects from clocks to holding small plates whilst cutting out shapes in metal, wood, plastic on a panto-graph mill they range from
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phill005
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#64514
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Re: Taper pins
Hi Gang:
The tapered drift handles on spud wrenches are not quite the same. They do align the holes enough to get a rivet or bolt in, but do not provide the precision location a tapered pin in a hole
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Carl
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#64513
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Re: Taper pins
Podge or a podger spanner in UK - Australian parlance if you need an extra search term.
Yahoo Mail: Search, organise, conquer
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Andrew F in Australia
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#64512
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Re: Taper pins
Thanks Davis. Yeah, I might have been guilty of using a screwdriver in a similar (if not remotely accurate) manner to get larger things ¡®more or less¡¯ aligned!
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Peter Brooks
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#64511
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