CAD CAM EDM DRO - Yahoo Group Archive

New guy with questions

on 2001-10-08 15:47:08 UTC
Hi Rich (KT4IZ),

Nice tapping rig! I could use something like that around the shop.
Yes, already a member of Sherline list.

Also liked the "pen holder", and the "crankshaft turning" views.

I'm using the "Dremel Adapter" to hold a Dremel on a small PCB router
I'm building. I recently made a "special" adapter to fit into the
"Dremel adapter" I have, and was thinking about a pen holder to fit the
Dremel adapter as well. I couldn't remember where I filed your pen
adapter JPG. now I know! Now maybe I can come up with the adapter I
need (luckily, I'm still set up to cut the 3/4-12 "Dremel" threads on
the lathe).

Thanks, Alan, KM6VV
P.S. Nice CALLS guys!


"Rich D." wrote:
>
> Alan, GM4T and KM6VV,
> I have deposited a "hand tapper" drawing/pic made from odds and ends in the
> Sherline Group's Files section in Folder "RichD's....."
> http://groups.yahoo.com/group/sherline/files/Rich%20D%27s%20Views/
> An easy shop tool to put together.
> You are already a member of Yahoo and it won't a sec to join Sherline to
> access the files.
> RichD KT4IZ
>
> Alan Marconett KM6VV wrote:
> >
> > GM4T from KM6VV,
> >
> > Tapping a hole in CRS?
> >
> > Drill the appropriate hole size for a tap, use a tap wrench to hold the
> > tap. Assuming you're drilling hole in drill press or mill, you can use
> > the drills quill after drilling to get the tap lined up.
> >
> > In the Sherline mill, I often chuck the tap in the drill chuck I used to
> > drill the hole, and with the chuck's taper loose enough so that it is
> > about to come out, I bring tap in the chuck down in Z until it enters
> > the work. Then I can *BY HAND* rotate the chuck to engage the hole, and
> > start the threads. Use thread cutting oil, and turn the tap in a turn
> > or two, then back it out 1/2 turn. After the first two turns or so, you
> > can back the Z axis out of the way, and continue to tap by hand. Clear
> > all the cuttings by backing the tap completely out of the hole
> > occasionally, especially if the tap is small, or the threads are fine.
> > If you "feel" the tap get harder to turn, it's an indication that the
> > cuttings are binding up the tap. Too much, an the tap will likely
> > break!
> >
> > On a normal drill press, something similar can be done. Assuming you've
> > just drilled the hole; If the chuck is one that can be similarly
> > "loosened" like the Sherline example above, it is an easy way to get a
> > good square start of the tap. If it can't, then examine the back end of
> > the tap. Does it have a small hole, or a little point? If you have a
> > hole, then a small similarly sized steel rod with a 60 degree or so
> > point on the end can be chucked in the drill press, an with the tap in a
> > tap wrench, centering and slight pressure can be brought to bear on the
> > backside of the tap, keeping it properly square to the work. A small
> > rod with a "cup" end can be made to push against a tap with a point on
> > the backside, or you'll find that even a twist drill of similar size to
> > the tap's shank can be chucked BACKWARDS, and the drill's back end can
> > be used to press against a tap's flat or drilled back end (held in the
> > tap wrench). Do the usual one or two turns into the work, back out 1/2
> > turn to cut the thread, use cutting oil. The chuck can be backed out of
> > the way after a few turns of the tap into the work, as previously
> > mentioned.
> >
> > I might mention that there are blocks made to guide a tap that can be
> > purchased or made, and tapping jigs, etc. as well.
> >
> > That's one question, Hope this helps! Any yeah, I've tapped MANY a hole
> > with a small crescent wrench (don't tell anyone!).
> >
> > Name here is
> > Alan, KM6VV
> > Central coast California
> >
> > P.S. You'll also fine the Sherline list (also on Yahoo) to be a good
> > source of answers to these questions; as a lot of "Amateur Machinists"
> > start out on small Sherline equipment.
> >
> > gm4ta@... wrote:
> > >
> > > Hi I'm new to this group and I have a few questions that may seem so
> > > basic it will probably be ignored. But here goes . . .
> > >
> > > How do I tap a hole (in plain cold rolled steel) with a tap? Could I
> > > do this with a wrench?
> > >
> > > What is the standard (or at least most popular) program for CNC
> > > machines? Just like how AutoCAD is the standard for CAD drawing.
> > >
> > > What is a good price guide that machining services charge?
> > >
> > > I have been making CAD drawings and 3D models of a part I might have
> > > to make if it isn't available for buying later.
> > >
> > > Thanks!
> > > -GM4T
> > >
> > > Addresses:
> > > FAQ: http://www.ktmarketing.com/faq.html
> > > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> > >
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> > > Moderator: jmelson@... timg@... [Moderator]
> > > URL to this page: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> > > bill,
> > > List Manager
> > >
> > >
> > >
> > > Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
> >
> > Addresses:
> > FAQ: http://www.ktmarketing.com/faq.html
> > FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
> >
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> > bill,
> > List Manager
> >
> >
> >
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>
> --
> ~ ~~ ~ ~ ~~ ~~____~,~~ ~~~~
> \------/ |00|_[]_[]__||0
> .|_CMRy_|-|__|________|_|,
> __________''oo__oo__---"0=0=0"=o[]o\\______________________________
> -==Rich=-=Colorado Midland Railway=-=cmsteam@...=-Atlanta-
> ----------See my web site: <http://cmsteamer.homestead.com/> ------
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
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> bill,
> List Manager
>
>
>
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Discussion Thread

gm4ta@i... 2001-10-07 20:53:21 UTC New guy with questions Tim Goldstein 2001-10-07 21:08:38 UTC RE: [CAD_CAM_EDM_DRO] New guy with questions Jon Elson 2001-10-07 21:38:17 UTC Re: [CAD_CAM_EDM_DRO] New guy with questions Alan Marconett KM6VV 2001-10-08 11:18:27 UTC Re: [CAD_CAM_EDM_DRO] New guy with questions Rich D. 2001-10-08 11:57:50 UTC Re: [CAD_CAM_EDM_DRO] New guy with questions Alan Marconett KM6VV 2001-10-08 15:47:08 UTC New guy with questions Smoke 2001-10-08 16:22:22 UTC Re: [CAD_CAM_EDM_DRO] New guy with questions gm4ta@i... 2001-10-10 08:30:18 UTC Re: New guy with questions ccs@m... 2001-10-10 08:53:18 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Tim 2001-10-10 08:56:32 UTC RE: [CAD_CAM_EDM_DRO] Re: New guy with questions johnhe 2001-10-10 09:14:34 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Tim 2001-10-10 09:38:52 UTC RE: [CAD_CAM_EDM_DRO] Re: New guy with questions Alan Marconett KM6VV 2001-10-10 12:40:36 UTC Re: New guy with questions M. SHABBIR MOGHUL 2001-10-10 22:01:30 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions brian 2001-10-11 16:33:06 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Smoke 2001-10-11 19:25:21 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions johnhe 2001-10-12 08:27:39 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Smoke 2001-10-12 08:36:13 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions johnhe 2001-10-12 08:43:18 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Smoke 2001-10-12 08:49:06 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions JanRwl@A... 2001-10-12 09:36:40 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions currinh@O... 2001-10-12 09:41:51 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Smoke 2001-10-12 09:50:10 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions ccs@m... 2001-10-12 10:58:30 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Fred Smith 2001-10-12 12:14:11 UTC Re: New guy with questions Eric Keller 2001-10-12 17:14:54 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions dkowalcz@d... 2001-10-12 20:45:43 UTC Re: New guy with questions Smoke 2001-10-12 20:58:00 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions Ward M. 2001-10-12 23:23:56 UTC RE: [CAD_CAM_EDM_DRO] Re: New guy with questions Ward M. 2001-10-12 23:35:58 UTC RE: [CAD_CAM_EDM_DRO] Re: New guy with questions Smoke 2001-10-13 08:07:22 UTC Re: [CAD_CAM_EDM_DRO] Re: New guy with questions