Re: Metal Finishing Questions

On May 10, 10:57 pm, Joe788 <joemama...@xxxxxxx> wrote:
On May 10, 7:39 pm, mil...@xxxxxxx wrote:



On May 10, 10:36 am, jon_banquer <jon_banq...@xxxxxxxxx> wrote:

On May 10, 3:36 am, mil...@xxxxxxx wrote:

Vinny's got it. Thats they way to it. Being a moldmaker for a few
years you basicaly have to learn how to "hide" surface imperfections,
ususlaly caused by handling the blocks/ sliding plates ect. before the
mold is shipped to the customer. Its the last little step that gives
your mold that "wow" by the customer when they inspect it. By looking
closely & determining the direction of the original surface grind ,
sanding in that direction will easily hide scratches & shallow
imperfections. To put it another way, you are scratching up the
surface with fine emery paper making a new consistent surface finish
emulating a surface ground finish.

Very helpful background information as well as the logic to dealing
with this problem.

The only thing I have to add to polisher Vinny's :-)  technique, is
use mineral spirits as a lubricant. It will help "float" the particles
away & keep the emery cutting & not loading up.

I prefer jet fuel... kerosene. Is there a reason I have to use mineral
spirits?

Next step: surface preparation for class A #1 lens finish diamond
polish<g> man I'm glad I'm not a polisher. Too many vibrations with
the hand reciprocater (j-off machine) Those ultrasonic units are
sweeeeeeeeet.

If you wish to describe this specific process in detail such as how
many times you have to change grits of diamond polish, exactly what
kind of tool is used (I have an Engis (sp?) catalog around somewhere)
I'll read your post with the care that I read this one.

It's unfortunate in your push of Cimatron that you won't provide the
kind of specifics and attention to detail (for drilling holes) that
you have shown you can provide in this post. You criticize Cimatron
horrible marketing (rightly so) but yet you are guilty of exactly the
same kind of thing when it comes to describing Cimatron. There are
still a few people left in this world that are interested in the
important specifics rather than broad sweeping generalities such as
are most often posted about Siemens NX by Bill Triffet. There is
something very seriously wrong when I learn more on 3 minutes of a
sales presentation of NX than I have from many, many years of reading
posts on UG / NX from Bill Triffet.

Jon Banquer
San Diego, CA

Specifics are very time consuming & much thought is required to get
your point across. Short if me actually doing it whilst filiming a
video is about my way to explain something.

Don't waste your time Milgil. He'll turn on you, just like he's turned
on everybody else that's ever helped him forward the cause of his
Jihad.

I'm sure Bill is just thrilled that Jon constantly uses his name as a
reference in his insane, uninformed, press-release fueled, CADCAM
Jihad.

I don't feel I'm wasting time on him personally any more than wasting
time on Cliff. Hell as far as wasting time..... I'm doing it just by
sitting at this keyboard. Not to much being produced or archived or
personally gained for me. Thats not totally true. Plus I aint makin
any money! Now thats a waste of time.<g>
Its a public place & may help some lurker, as I was for years. Reading
between the flames,Jihads & political views there is some usefull
stuff one can learn to add to the ol skill set. Again a sort of those
views & opinions is necessary for your application. Sort thru the BS &
use what you can. Its like going dumpster shopping.
Any hoot.. I like the orderless mineral spirtits. Its a bit more
expensive & works fine without much stink. Hell I've used spit when
out in the wilderness camping to sharpen my pocket knife against a
220g rock<g> Ah piss on it!..



\|||/
(o o)
______.oOO-(_)-OOo.____________________
~ Gil ~
the HOLDZEM©® king
.

Relevant Pages

  • Re: Metal Finishing Questions
    ... years you basicaly have to learn how to "hide" surface imperfections, ... important specifics rather than broad sweeping generalities such as ... are most often posted about Siemens NX by Bill Triffet. ... Jihad. ...
    (alt.machines.cnc)
  • Re: Metal Finishing Questions
    ... years you basicaly have to learn how to "hide" surface imperfections, ... It's unfortunate in your push of Cimatron that you won't provide the ... important specifics rather than broad sweeping generalities such as ... are most often posted about Siemens NX by Bill Triffet. ...
    (alt.machines.cnc)