Re: [CAD_CAM_EDM_DRO] cnc tapping options for making cnc tooling table
Posted by
R Rogers
on 2004-09-03 13:19:33 UTC
Hey Rick,
Make the holes M8-1.25 (.265 tap minor, two flute) and do them with a 1/2" variable speed hand drill. Common metric taps are much more durable than Standard English. Like 1/4-20 and 10-24 are just looking for a place to break.
This board is for CNC related electronics questions. The list mom already pulled our "part holding" posts I think. I dont see the problem with general machining issues as often times it does relate to CNC programming but, it's not my list. You need to go to a machining forum for those questions.
Ron
skykotech <rick@...> wrote:
I want to make a tooling table for my cnc mill, and possibly another
table for a medium gantry mill I am building. I haven't exactly
decided how large the table will be or what size holes it will have,
but something along the lines of 16" x 32" x 1" with 420 tapped holes
would probably be the largest. Now, I am not going to hand tap 420
holes, so I need an option for a cnc tapper.
Option 1: Procunier tapping head - fast but expensive ($500+ new)
Option 2: Threadmilling - slow, but possibly much cheaper
I am using EMC and can do full three axis moves, but I don't have
computer control over the spindle speed, position or direction. All
of this is making me lean toward threadmilling, perhaps 1/4" 20TPI
holes using a single point right hand tool like the Micro 100 1801000
which has a min. hole dia. of .180", a projection of 0.040", a shank
of 0.25" and a depth of 1.0". I have no clue if this would be the
right tool for threadmilling holes in an aluminum cnc tooling table,
but it is pretty cheap, solid carbide for $22.
Opinions?
Thanks,
Rick
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Make the holes M8-1.25 (.265 tap minor, two flute) and do them with a 1/2" variable speed hand drill. Common metric taps are much more durable than Standard English. Like 1/4-20 and 10-24 are just looking for a place to break.
This board is for CNC related electronics questions. The list mom already pulled our "part holding" posts I think. I dont see the problem with general machining issues as often times it does relate to CNC programming but, it's not my list. You need to go to a machining forum for those questions.
Ron
skykotech <rick@...> wrote:
I want to make a tooling table for my cnc mill, and possibly another
table for a medium gantry mill I am building. I haven't exactly
decided how large the table will be or what size holes it will have,
but something along the lines of 16" x 32" x 1" with 420 tapped holes
would probably be the largest. Now, I am not going to hand tap 420
holes, so I need an option for a cnc tapper.
Option 1: Procunier tapping head - fast but expensive ($500+ new)
Option 2: Threadmilling - slow, but possibly much cheaper
I am using EMC and can do full three axis moves, but I don't have
computer control over the spindle speed, position or direction. All
of this is making me lean toward threadmilling, perhaps 1/4" 20TPI
holes using a single point right hand tool like the Micro 100 1801000
which has a min. hole dia. of .180", a projection of 0.040", a shank
of 0.25" and a depth of 1.0". I have no clue if this would be the
right tool for threadmilling holes in an aluminum cnc tooling table,
but it is pretty cheap, solid carbide for $22.
Opinions?
Thanks,
Rick
Addresses:
FAQ: http://www.ktmarketing.com/faq.html
FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
Post Messages: CAD_CAM_EDM_DRO@yahoogroups.com
Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@..., timg@...
Moderator: pentam@... indigo_red@... davemucha@... [Moderators]
URL to this group: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
OFF Topic POSTS: General Machining
If you wish to post on unlimited OT subjects goto: aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if you have trouble.
http://www.metalworking.com/news_servers.html
http://groups.yahoo.com/group/jobshophomeshop I consider this to be a sister site to the CCED group, as many of the same members are there, for OT subjects, that are not allowed on the CCED list.
NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM. DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
bill
List Mom
List Owner
Yahoo! Groups Links
---------------------------------
Do you Yahoo!?
New and Improved Yahoo! Mail - 100MB free storage!
[Non-text portions of this message have been removed]
Discussion Thread
skykotech
2004-09-03 12:27:21 UTC
cnc tapping options for making cnc tooling table
R Rogers
2004-09-03 13:19:33 UTC
Re: [CAD_CAM_EDM_DRO] cnc tapping options for making cnc tooling table
Bob Muse
2004-09-03 13:26:31 UTC
Re: [CAD_CAM_EDM_DRO] cnc tapping options for making cnc tooling table
skykotech
2004-09-03 14:04:55 UTC
Re: cnc tapping options for making cnc tooling table
Jon Elson
2004-09-03 18:37:23 UTC
Re: [CAD_CAM_EDM_DRO] cnc tapping options for making cnc tooling table
Paul Killoy
2004-09-03 18:47:10 UTC
Re: [CAD_CAM_EDM_DRO] cnc tapping options for making cnc tooling table
rogersmach
2004-09-04 09:37:16 UTC
Re: cnc tapping options for making cnc tooling table