Re: [CAD_CAM_EDM_DRO] Re: machine ways

Bearing in mind that hardness/temper can be an issue. After Heat treating, most
steel parts up to a foot or two long can be minimally tempered by placing them
in an oven set at 3-4 hundred degrees for an hour or two. Minimally means that
the hardness will mostly remain while the brittleness is drawn down. Not quite
a true spring temper, but closer than full hard. Good for blades and most other
sharp stuff, in that it will retain an edge fairly well. Your mileage may vary
on machine tooling, however, as I haven't done anything like that. For
differential heat treating, you probably wouldn't want to do it at all, as it
might weaken the spring temper section, and soften the full hard section of
whatever you're working on.

Bill

On Sat Jan 5 11:13:36 2002, Smoke, <smoke@...> wrote:

>Speaking of plastics for use on ways:
>
>I was reading the other day how PTFE is put on ubiquitous pots and pans
>since it sticks to almost nothing. It is sprayed on and then baked.
>
>This lead me to wonder 'suppose (during manufacture of course) one were get
>a can of spray on PTFE and apply it to the sliding parts and bake them in
>an oven'. That, combined with normal lubing should make for some pretty low
>friction coefficients. An extra boon would be no extra machine work would
>be required.
>
>Sounds like a good experiment to try (with some small parts of course).
>
>Smoke
>
>> ubiquitous(means everywhere!).
>>
>> 2)PTFE- (PolyTetraFluoroEthylene) also called teflon, VERY soft, when
>> used for linear bearings it is backed up with a harder material and
>> used in very thin layers. The slippery-est (lowest friction co-
>> efficient) stuff we have so far in commercial quantities.
>
>> Ballendo
>
>
>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@...
>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/
>
>
>

--
----------------------------------------------------------------------------
RKBA! ***** Blessings On Thee, Oh Israel! ***** 4-19!
----------------+----------+--------------------------+---------------------
An _EFFECTIVE_ | Insured | All matter is vibration. | Let he who hath no
weapon in every | by COLT; | -- Max Plank | weapon sell his
hand = Freedom | DIAL | In the beginning was the | garment and buy a
on every side! | 1911-A1. | word. -- The Bible | sword.--Jesus Christ
----------------+----------+--------------------------+---------------------

Constitutional Government is dead, LONG LIVE THE CONSTITUTION!!!!!

----------------------------------------------------------------------------