Talk:Milling machine

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Senses of the term "engraving"

I've partially removed "Most CNC milling machines, also known as engraving machines, " I've never come across the term, but I'm not in that field so I'll leave it to others - Graibeard 12:27, 27 August 2005 (UTC)[reply]

I also wondered about that for a long time. Recently I came across an old use of the term "engraving" where it was meant to mean the same thing as "diesinking". This explains the terminology usage, but it's just as well that the lede currently does not include that term, because I think nowadays everyone would say "diesinking" or "contour milling" in that sense, with "engraving" referring to, e.g., carving some text into a surface. At least in my neck of the woods. — ¾-10 17:38, 24 June 2008 (UTC)[reply]

I'll put the same comment here as I put in the engraving topic. If you ask an engraver, then "engraving" is the incision of lines by essentially carving with chisels (gravers, burins), which raise a bur or chip in the process. To them, anything involving wheels and abrasives is NOT engraving. In fact, to some the term only applies to a two dimensional result - any deeper is called carving. True automated engraving machines do that very thing - they drag a chisel point across metal with a pantographic control. I'm not laying down a definition, and many in the world call cutting glass with wheels "engraving", and other things similar, rightly or wrongly. Just illuminating the point of view. To a professional engraver anything that doesn't involve a point cutting a shallow line, raising a chip in the process (as a chisel does) is NOT engraving. Jjdon (talk) 19:32, 11 February 2009 (UTC)[reply]

caption change for endmill picture

I changed the title from cutters to endmills in the interests of accuracy, as endmills are what they are called by those who use, sell, produce or otherwise handles them. Ollin —The preceding unsigned comment was added by 69.12.136.223 (talk) 23:58, 26 March 2007 (UTC).[reply]

B... but... but what about face mills, slab mills, shell mills, slitting saws, side mills, flycutters, drills, reamers, boring heads, burnishing tools, and all the other cutters a milling machine uses? ='( - Toastydeath 01:16, 27 March 2007 (UTC)[reply]

Oh, I get it. NEVERMIND I AM RETARDED. - Toastydeath 01:17, 27 March 2007 (UTC)[reply]

Please cite facts

Can anyone cite information supporting the suggestion that CNC machines were developed to short circuit organised labor? I suspect this in someone's subjective opinio and not fact. As a machinist, I would suspect that this was done to increase accuracy and interchangability of parts. Manually operated machines are more likely to lead to variances in product from one day to the next. Irritantno9 (talk) 14:05, 12 August 2008 (UTC)[reply]

This is an interesting and complicated topic. It's a situation complex enough that everyone can see in it what they want to see, because there's some truth to all sides. I had the exact same reaction as you when I first caught an inkling of this over at Talk:Numerical control. The argument about social power's influence on NC/CNC development is presented at length in Noble, David F. (1984), Forces of production: a social history of industrial automation, New York: Knopf, ISBN 978-0-394-51262-4 LCCN 83-0. However, there are some formidable problems with breezily mentioning the argument in Wikipedia articles such as this one. For the moment, I would say that anyone interested in the history of machine tools should definitely read Noble 1984 (which I just did), because regardless of whether (or to what degree) you come away accepting his central argument, the book offers a very interesting and detailed look at the profusion of automating technologies that were on the horizon in the 1940s and what happened with them in subsequent decades. I think that Wikipedia will inevitably need to address this in better fashion in future, but it will require some thought and time. Honestly I think the thing to do for the moment is to remove the reference to the motivations behind the development, simply because you should keep the lid on the can of worms until you're ready to adequately explore it. (Just lifting the lid and then stopping makes people ask "WTF?" like you and I both did.) I also think that eventually WP will need to have a separate article called "machine tool control", because you can't talk about control development just in reference to one particular class of machine tools (e.g., milling machines in this article's case). Well, I'm rambling, but to summarize, I'm going to remove the passing reference to the can of worms until it can be adequately explored. — ¾-10 01:14, 13 August 2008 (UTC)[reply]

language box

why does the Spanish version link has a star? —Preceding unsigned comment added by 77.54.98.25 (talk) 13:49, 21 September 2008 (UTC)[reply]

The star indicates that the Spanish article is a featured article on the Spanish Wikipedia. — ¾-10 02:51, 22 September 2008 (UTC)[reply]

"Portical mills"????

The list of "Other milling machine variants and terminology" includes the following "type":

Portical mills It has the spindle mounted in a T structure

... huh? I've searched all over, and the only instances of "portical mills" are duplicates of this page (complete with grammatical error). Is this a real type of milling machine, or just a misspelled "vertical mill"? (Note that a year and a half ago I wrote this same comment about the initial picture's caption; the caption has been changed but my comment was deleted. I'm still not sure whether there is or is not such a thing as "portical"...) --Dan Griscom (talk) 03:48, 19 February 2009 (UTC)[reply]

Yeah, I did a search and couldn't come up with a lick of info (other than dupes of this page). I've never heard of such a thing, so I say it's garbage. Wizard191 (talk) 14:04, 19 February 2009 (UTC)[reply]

Gone. -- Dan Griscom (talk) 01:52, 28 February 2009 (UTC)[reply]

Description

We need a whole section started for the description of a mill. The lathe article does this well.

As a side note, I've move this sentence from back gear which can be incorporated into the section: "On a metalworking lathe or milling machine a back gear is a set of gears that reduces the spindle speed in half." Wizard191 (talk) 18:43, 29 June 2009 (UTC)[reply]

Milling machine

Perhaps the Elektor Profiler milling machine may be mentioned. See http://www.elektor.com/products/kits-modules/kits-(-7x)/profiler-(060232-71).91441.lynkx This as it is very low-cost