Re: [Emc-users] An alternative way to make encoders.

2012-01-07 Thread charles green
if i knew better, i would say that updates are not generally really evil things. --- On Fri, 1/6/12, gene heskett wrote: From: gene heskett Subject: Re: [Emc-users] An alternative way to make encoders. To: [email protected] Date: Friday, January 6, 2012, 6:26 AM On Friday, Janu

Re: [Emc-users] About the board, the rebrand, and the future

2012-01-26 Thread charles green
properly:  N.I.S.T. and E.M.C. for the respective unabbreviated designations.   ruinous lawsuits brought with the immense wealth of multinational corporations are more powerful even than god.  if you disagree with such a statement of the rule of corporate law, you might as well brand yourself a t

Re: [Emc-users] Workpiece is longer than the mill travel

2012-02-04 Thread charles green
acryllic (plexi glass) is fairly rigid. some epoxies are too. there are some hard waxes. crystalline sugar? amber. plaster. concrete. glass. ceramics. very very cold chewing gum. --- On Sat, 2/4/12, gene heskett wrote: > From: gene heskett > Subject: Re: [Emc-users] Workpiece is long

Re: [Emc-users] Need advice on 1/16" end mill

2012-02-12 Thread charles green
some right angle dremel tool attachments have flat sides that can be clamped to other things.  there are also air powered pencil die grinders that have been adapted as high rpm spindles.    for cutting thin sheets, an exacto knife could be chucked up to use the spindle as the rotating element o

Re: [Emc-users] Need advice on 1/16" end mill

2012-02-13 Thread charles green
danger!  the coated tools are terrible on aluminum.  the coating has a micro roughness that nucleates chip welding of soft aluminum.  coatings are good for lubricity of hard material chips against the cutter, but a mirror smooth surface is best for carbide in aluminum. --- On Mon, 2/13/12, andy

Re: [Emc-users] Need advice on 1/16" end mill

2012-02-14 Thread charles green
something else to watch out for on the smaller end mills is a long - and therefor flexible - shank.  chuck the tool up into the spindle as far as possible.  this also reduces the effect of any small alignment errors between the cutter's ideal axis of rotation, and its actual (wobbly) rotation ar

Re: [Emc-users] Need advice on 1/16" end mill

2012-02-14 Thread charles green
isopropanol does a nice job as tapping fluid for aluminum, and it doesnt leave a residue.  ..and it is readily available and inexpensive. --- On Mon, 2/13/12, Przemek Klosowski wrote: From: Przemek Klosowski Subject: Re: [Emc-users] Need advice on 1/16" end mill To: "Enhanced Machine Controll

Re: [Emc-users] Need advice on 1/16" end mill

2012-02-14 Thread charles green
btw, the cutting edge of the tool is naturally in an oxygen free environment for most of the time that it is cutting anything other than air (or a thin oxide layer, which is not going to oxidize further).  it's in the metal. --- On Mon, 2/13/12, gene heskett wrote: From: gene heskett Subject

Re: [Emc-users] Need advice on 1/16" end mill

2012-02-14 Thread charles green
ry 14, 2012 07:13:58 AM charles green did opine: > something else to watch out for on the smaller end mills is a long - and > therefor flexible - shank.  chuck the tool up into the spindle as far > as possible.  this also reduces the effect of any small alignment > errors between the cutte

Re: [Emc-users] Encoder wheel [Was: Need advice on 1/16" end mill]

2012-02-15 Thread charles green
color some notecard stock black with a sharpie, then spray paint it black to stiffen it more.  or laminate several thicknesses of thin black cloth with black resin of some sort (jb weld is kinda blackish), then paint that black.  or, put a bunch of staples on the circumference of a dowel, clip a

Re: [Emc-users] Encoder wheel [Was: Need advice on 1/16" end mill]

2012-02-16 Thread charles green
i've mostly dealt a proprietary formula called GFY, mostly.   --- On Thu, 2/16/12, andy pugh wrote: From: andy pugh Subject: Re: [Emc-users] Encoder wheel [Was: Need advice on 1/16" end mill] To: [email protected], "Enhanced Machine Controller (EMC)" Date: Thursday, February 16, 2012,

Re: [Emc-users] Another OT subject. Milling Vise

2012-02-18 Thread charles green
swivel base = ballast --- On Sat, 2/18/12, Mark Cason wrote: From: Mark Cason Subject: [Emc-users] Another OT subject. Milling Vise To: "Enhanced Machine Controller (EMC)" Date: Saturday, February 18, 2012, 12:40 AM    I'm looking at getting a new milling vise, and I'm looking for recommen

Re: [Emc-users] Latency - was Re: Which video card/driver for LinuxCNC?

2012-02-21 Thread charles green
the allocation of computing resources seems to be a recurring theme with pc based machine controllers.   while i have wished for an accesible pocket calculator gui more than one time while standing in front of a machining center console, i have almost never wanted to surf the web or send emails

Re: [Emc-users] Brass finish question?

2012-02-24 Thread charles green
sulfuic acid (battery acid) wont eat copper. might make a matte surface on brass. then, if silver blackens better than copper, so might a silver plating applied over matte copper/brass. http://www.swdinc.com/black_oxide.htm if you have a tin can and a pressure cooker. --- On Thu, 2/23/12, ge

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-25 Thread charles green
if you can work in 35mm space, make a large laser print of the wheel, photograph it a few stops under exposed, over develop it, and cut the finished disk out of the negative. works for crude diffractive lenses too. --- On Sat, 2/25/12, Lars Andersson wrote: > From: Lars Andersson > Subject:

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-25 Thread charles green
a focussed 1W 808nm diode laser is sufficient to fuse absorptive ceramic material to a glass substrait, or to vaporize absorptive organic material. --- On Fri, 2/24/12, Kirk Wallace wrote: > From: Kirk Wallace > Subject: [Emc-users] Film Emulsion for Encoder Wheels? > To: "LinuxCNC Users List"

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
wow.  goodwill is just barely a thrift store.  might as well shop ebay. --- On Sun, 2/26/12, Walt Rogers wrote: From: Walt Rogers Subject: Re: [Emc-users] Film Emulsion for Encoder Wheels? To: [email protected] Date: Sunday, February 26, 2012, 12:07 AM On 2/26/2012 12:01 AM, Wa

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
never had occasion to try one, but:   http://www.use-enco.com/cgi/INSRIT?PARTPG=INSRAR2&PMAKA=317-4576&PMPXNO=19497976   --- On Sat, 2/25/12, Przemek Klosowski wrote: From: Przemek Klosowski Subject: Re: [Emc-users] Film Emulsion for Encoder Wheels? To: "Enhanced Machine Controller (EMC)" Da

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
the first diffraction gratings were made of a warp of very fine wire. --- On Sat, 2/25/12, Jon Elson wrote: From: Jon Elson Subject: Re: [Emc-users] Film Emulsion for Encoder Wheels? To: "Enhanced Machine Controller (EMC)" Date: Saturday, February 25, 2012, 12:22 PM Kirk Wallace wrote: > I

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
, February 25, 2012 02:36:41 PM Kirk Wallace did opine: > On Sat, 2012-02-25 at 08:25 -0800, charles green wrote: > > if you can work in 35mm space, make a large laser print of the wheel, > > photograph it a few stops under exposed, over develop it, and cut the > > finished dis

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
? To: "Enhanced Machine Controller (EMC)" Date: Saturday, February 25, 2012, 9:41 AM On Sat, 2012-02-25 at 08:25 -0800, charles green wrote: > if you can work in 35mm space, make a large laser print of the wheel, > photograph it a few stops under exposed, over develop it, and cu

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
m Emulsion for Encoder Wheels? To: [email protected] Date: Sunday, February 26, 2012, 5:02 AM On Sunday, February 26, 2012 07:34:30 AM charles green did opine: > color photography is a whole other thing.  why not make an rgb encoder > system? Most dyes are organic.  With

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
, February 26, 2012 10:52:25 AM charles green did opine: > what does "IOW" mean? >  In Other Words > so use mineral pigments rather than organic dyes.  mineral pigment > encodings of hundreds of years age are bought and sold for vast piles > of money, implying stability. B

Re: [Emc-users] Film Emulsion for Encoder Wheels?

2012-02-26 Thread charles green
, gene heskett wrote: From: gene heskett Subject: Re: [Emc-users] Film Emulsion for Encoder Wheels? To: [email protected] Date: Sunday, February 26, 2012, 9:00 PM On Sunday, February 26, 2012 11:08:20 PM charles green did opine: > take lots of lower quality pics, crop for the g

Re: [Emc-users] Bringing linuxcnc to its knees, begging for mercy!

2012-03-05 Thread charles green
fine example of the shortcomings of a doitall pc tyrant vs a dedicated machine controller. the axis simulation should be reserved for the purpose of simulation exclusively. --- On Sun, 3/4/12, gene heskett wrote: > From: gene heskett > Subject: Re: [Emc-users] Bringing linuxcnc to its knees

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-06 Thread charles green
another argument if favor of the dedicated operation of machine controller pc's. --- On Mon, 3/5/12, Jack Coats wrote: > From: Jack Coats > Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: "Enhanced Machine Controller (EMC)" > Date: Monday, March 5, 2012, 9:25 PM > Unless

Re: [Emc-users] IRAMS Plan, FAN7382 with BUZ11

2012-03-06 Thread charles green
what are the differences between one phase motors, two phase motors, and three phase motors? --- On Sun, 3/4/12, Jon Elson wrote: > From: Jon Elson > Subject: Re: [Emc-users] IRAMS Plan, FAN7382 with BUZ11 > To: "Enhanced Machine Controller (EMC)" > Date: Sunday, March 4, 2012, 11:29 AM > Jo

Re: [Emc-users] IRAMS Plan, FAN7382 with BUZ11

2012-03-07 Thread charles green
Tuesday, March 6, 2012, 10:13 AM > charles green wrote: > > what are the differences between one phase motors, two > phase motors, and three phase motors? > > > > > >    > A single-phase motor needs something to get it started, as > there is no phase > rota

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-07 Thread charles green
[email protected] > Date: Tuesday, March 6, 2012, 4:34 AM > On 03/06/2012 07:13 AM, charles green > wrote: > > another argument if favor of the dedicated operation of > machine controller pc's. > >    > I've been allowing updates for the last five years and have &

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-07 Thread charles green
rge.net > Date: Wednesday, March 7, 2012, 6:13 AM > On 03/07/2012 09:01 AM, charles green > wrote: > > excess capacity is great if you are into excess > capacity.  i junked at least three pc boxes before i > found something that could support all that capacity.  > my intentio

Re: [Emc-users] State of Wizards/Druids for simple machining.

2012-03-07 Thread charles green
cutting and pasting is actually a huge timesaver for editing gcodes. in my experience, automated coding comes with a large supply of automated disasters. --- On Wed, 3/7/12, John Stewart wrote: > From: John Stewart > Subject: [Emc-users] State of Wizards/Druids for simple machining. > To: "En

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-07 Thread charles green
hmm. has anyone else tried turbo cnc? --- On Wed, 3/7/12, Mark Wendt wrote: > From: Mark Wendt > Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: [email protected] > Date: Wednesday, March 7, 2012, 7:17 AM > On 03/07/2012 10:11 AM, charle

Re: [Emc-users] IRAMS Plan, FAN7382 with BUZ11

2012-03-08 Thread charles green
on > Subject: Re: [Emc-users] IRAMS Plan, FAN7382 with BUZ11 > To: "Enhanced Machine Controller (EMC)" > Date: Wednesday, March 7, 2012, 10:38 AM > charles green wrote: > > so the motor in, say, a small drill press or a _bench > grinder_ is probably of the resistive

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
that buying > stuff over 2-3 > years old is of questionable value. > > The people on this list are somewhat jaded when it comes to > preferable > PC based CNC controls.  ;-) > > Dave > > > On 3/7/2012 10:33 AM, charles green wrote: > > hmm.  has anyone else

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
om: Viesturs Lācis > Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: "Enhanced Machine Controller (EMC)" > Date: Wednesday, March 7, 2012, 8:34 AM > 2012/3/7 charles green : > > hmm.  has anyone else tried turbo cnc? > > > > I guess th

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
? > To: "Enhanced Machine Controller (EMC)" > Date: Thursday, March 8, 2012, 5:08 AM > 2012/3/8 charles green : > > > > the disposal liabilty pcs of a decade vintage have > plenty of capacity to function as machine controllers, so > why not repurpose them to that task

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
s. --- On Thu, 3/8/12, Mark Wendt wrote: > From: Mark Wendt > Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: [email protected] > Date: Thursday, March 8, 2012, 5:36 AM > On 03/08/2012 08:24 AM, charles green > wrote: > > that was my q

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
; Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: [email protected] > Date: Thursday, March 8, 2012, 4:46 AM > On 03/08/2012 07:17 AM, charles green > wrote: > > the overcapacity problem is a problem of going to > unnecessary lengths to accompl

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
gt; Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: "Enhanced Machine Controller (EMC)" > Date: Thursday, March 8, 2012, 6:06 AM > 2012/3/8 charles green : > >> It's true if all you want is a machine controller > and > >> noth

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
hanced Machine Controller (EMC)" > Date: Thursday, March 8, 2012, 6:01 AM > On 03/08/2012 08:55 AM, charles green > wrote: > >> It's true if all you want is a machine controller > and > >> nothing else. > >>      > > so, again, strictly in the capa

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-08 Thread charles green
e: > From: Viesturs Lācis > Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: "Enhanced Machine Controller (EMC)" > Date: Thursday, March 8, 2012, 6:01 AM > 2012/3/8 charles green : > > the machines i work with only have tape drives and > serial

Re: [Emc-users] State of Wizards/Druids for simple machining.

2012-03-09 Thread charles green
it would be impressive to set up a 6m radius cut on a lathe tho. it's the stuff of blogging. --- On Thu, 3/8/12, Peter Blodow wrote: > From: Peter Blodow > Subject: Re: [Emc-users] State of Wizards/Druids for simple machining. > To: "Enhanced Machine Controller (EMC)" > Date: Thursday, Marc

Re: [Emc-users] IRAMS Plan, FAN7382 with BUZ11

2012-03-09 Thread charles green
t; > Date: Thursday, March 8, 2012, 11:41 AM > On Thu, 2012-03-08 at 03:19 -0800, > charles green wrote: > > it is a cost sensitive application, as always, and > limited to single > > 115v phase mains supply.  there are the sherline > spindles/motors with > > decent

Re: [Emc-users] Subject change: Linux vs Turbocnc

2012-03-09 Thread charles green
n 4-5 machines. > > If your using Fanuc machines, why would you want to port > them to TurboCNC? > > > > > On Thu, Mar 8, 2012 at 9:56 AM, charles green > wrote: > > > that is certain to require a fresh clock battery and > some floppy drive > > clea

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-09 Thread charles green
like jay-leno-people-on-the-street-survey-well-understood, right? "excuse me sir, would you like to take a shot at describing a 'multivibrator'?" --- On Thu, 3/8/12, Jon Elson wrote: > From: Jon Elson > Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: [email protected]

Re: [Emc-users] EMC2/Ubuntu updates - safe to install?

2012-03-09 Thread charles green
informative. thanks. --- On Thu, 3/8/12, Viesturs Lācis wrote: > From: Viesturs Lācis > Subject: Re: [Emc-users] EMC2/Ubuntu updates - safe to install? > To: "Enhanced Machine Controller (EMC)" > Date: Thursday, March 8, 2012, 7:21 AM > 2012/3/8 charles green : &g

Re: [Emc-users] linuxcnc, possibly bug, or global isn't global

2012-03-09 Thread charles green
..so, instead of linuxcnc, emc++? --- On Thu, 3/8/12, Jan de Kruyf wrote: > From: Jan de Kruyf > Subject: Re: [Emc-users] linuxcnc, possibly bug, or global isn't global > To: "Enhanced Machine Controller (EMC)" > Date: Thursday, March 8, 2012, 3:40 AM > Gene, > I dont know, but sometimes Cprog

Re: [Emc-users] Subject change: Linux vs Turbocnc

2012-03-10 Thread charles green
.org/tutorials/apicarticle.txt > > Dave > > > > On 3/9/2012 2:19 PM, BRIAN GLACKIN wrote: > > On Fri, Mar 9, 2012 at 7:21 AM, Viesturs > > Lāciswrote: > > > >    > >> 2012/3/9 charles green: > >>      > >>> the fanuc

Re: [Emc-users] ubuntu 10.04 + emc cd from the emc build problem

2012-03-11 Thread charles green
> No way in hell can a decent, honest man > run for office & hasn't been since about 1830 or so. dont know where you get your dates. decent people run FROM office. -- Virtualization & Cloud Management Using Capacity Pl

Re: [Emc-users] (no subject)

2012-03-14 Thread charles green
what do you suppose the laser wattage is? --- On Tue, 3/13/12, dave wrote: > From: dave > Subject: [Emc-users] (no subject) > To: "Enhanced Machine Controller (EMC)" > Date: Tuesday, March 13, 2012, 11:38 AM > This was sent to me by a guy at > Boeing. Thought a few of you would > appreciate th

Re: [Emc-users] Marketing LinuxCNC, was Re: Trajectory planning and other topics from a EMC(LinuxCNC) newbie

2012-03-17 Thread charles green
if possible, i would like a complete list of cost insensitive customers. --- On Sat, 3/17/12, Viesturs Lācis wrote: > From: Viesturs Lācis > Subject: Re: [Emc-users] Marketing LinuxCNC, was Re: Trajectory planning and > other topics from a EMC(LinuxCNC) newbie > To: "Enhanced Machine Controll

Re: [Emc-users] Tool change question

2012-03-22 Thread charles green
O numbers i think were originally intended to indicate different Operations on a part. O1 would be drill a hole for instance, and then O2 would be to drill another hole, after having rearranged the part in the machine tool to the appropriate orientation, say by rotating it 180 degrees around th

Re: [Emc-users] Tool change question

2012-03-23 Thread charles green
'squiggly' brackets are technically "braces". "["=left bracket, "{"=left brace, and "("=left paren for anyone tempted to call it a curvey bracket. --- On Thu, 3/22/12, Erik Christiansen wrote: > From: Erik Christiansen > Subject: Re: [Emc-users] Tool change question > To: [email protected]

Re: [Emc-users] Tool change question

2012-03-23 Thread charles green
fanuc controls offer the current state of the controller modes via their current parameter values, including the current values of the various axes. so, for example, a g28 x0 command could equivalantly be g#2002 x-#5030, where parameter 5030 is the axis position, and parameter 2002 is 0, 1, 2, o

Re: [Emc-users] Tool change question

2012-03-23 Thread charles green
arted this. show me everything." - ellen ripley --- On Fri, 3/23/12, Sebastian Kuzminsky wrote: > From: Sebastian Kuzminsky > Subject: Re: [Emc-users] Tool change question > To: "Enhanced Machine Controller (EMC)" > Date: Friday, March 23, 2012, 9:23 AM >

Re: [Emc-users] Tool change question

2012-03-24 Thread charles green
> Subject: Re: [Emc-users] Tool change question > To: [email protected] > Date: Friday, March 23, 2012, 9:29 PM > On 03/23/2012 11:42 AM, charles green > wrote: > > nicer, but still only a handful of documented > params.  i was looking at a document dated a lit

Re: [Emc-users] Tool change question

2012-03-24 Thread charles green
From: gene heskett > Subject: Re: [Emc-users] Tool change question > To: [email protected] > Date: Saturday, March 24, 2012, 8:39 AM > On Saturday, March 24, 2012 11:27:23 > AM charles green did opine: > > > looks like there are some numbered params listed in the

Re: [Emc-users] PCB standoff alternatives [Was: Tool change question]

2012-03-25 Thread charles green
super glue, hot glue, elmers glue, polyvinyl acetate, epoxy, melted nylon string, very cold chewing gum. --- On Sat, 3/24/12, Erik Christiansen wrote: > From: Erik Christiansen > Subject: [Emc-users] PCB standoff alternatives [Was: Tool change question] > To: [email protected] >

Re: [Emc-users] Storebro 260, firstEcounter etc...

2012-03-26 Thread charles green
mtbf has a limited scope. instead, the consideration should be of mttvp - mean time to vanishing profit. the trend seems to be generally in the direction of maximizing the product mttvp=l*mtbf by reducing the cost of l=labor by any means. this has a mixed effct in markets where stockholders a

Re: [Emc-users] Highlight to HTML

2012-03-26 Thread charles green
i have been editing gcode all the time, and color coding of word types is a nice thing. g's are blue, x's and y's white, z's red, ..etc. something i have not seen, however, is an editor zoom feature for really long files. for gcode, it would only really work with word color coding, because th

Re: [Emc-users] Storebro 260, firstEcounter etc...

2012-03-27 Thread charles green
ess > elsewhere and > future business is lost. > Worst case:  The customer sues the company since the > contract was not > met.  Any possible profit is erased > and it turns into a legal liability situation. > > Dave > > On 3/26/2012 5:34 AM, charles green wrote: &g

Re: [Emc-users] LAMP stack for robotics

2012-03-30 Thread charles green
sometimes it's fun to read about what people with obese piles of money are up to. --- On Thu, 3/29/12, Eric H. Johnson wrote: > From: Eric H. Johnson > Subject: [Emc-users] LAMP stack for robotics > To: [email protected] > Date: Thursday, March 29, 2012, 8:23 AM > Just an FYI, >

[Emc-users] xyz vs abc feedrates

2012-04-07 Thread charles green
any good ideas on how to figure feeds with abc axes involved? 360 degrees per minute seems to be way different than 360 ipm. -- For Developers, A Lot Can Happen In A Second. Boundary is the first to Know...and Tell You.

[Emc-users] machine tool tapers

2012-04-08 Thread charles green
anyone know if there is any logic to the variety of conical mating surfaces used in machine tools? -- For Developers, A Lot Can Happen In A Second. Boundary is the first to Know...and Tell You. Monitor Your Applications i

Re: [Emc-users] machine tool tapers

2012-04-09 Thread charles green
: Sunday, April 8, 2012, 9:08 AM > > > On 8 Apr 2012, at 05:12, charles green > wrote: > > > anyone know if there is any logic to the variety of > conical mating surfaces used in machine tools? > > > > http://www.tools-n-gizmos.com/specs/Tapers.html > &

Re: [Emc-users] (no subject)

2012-04-09 Thread charles green
is that a link to an easter egg? --- On Sun, 4/8/12, Geoff Roehm <[email protected]> wrote: > From: Geoff Roehm <[email protected]> > Subject: [Emc-users] (no subject) > To: [email protected] > Date: Sunday, April 8, 2012, 8:23 PM > [email protected] >

Re: [Emc-users] German-language documentation, was: Downloading Release 2.5

2012-04-11 Thread charles green
a joint could be a pivot or fulcrum. the machine control regards the mechanical instances of disjointedness as points of relative displacement, whether cartesian or polar or other. the displacements along an axis with respect to another axis seems like it might as well be thought of in terms of

Re: [Emc-users] machine tool tapers

2012-04-11 Thread charles green
Date: Monday, April 9, 2012, 6:22 AM > On 4/9/2012 8:01 AM, Viesturs Lācis > wrote: > > 2012/4/9 charles green: > >> i wonder if there is any math out there on the > ideal taper form, given its use in specifed materials and > load conditions? > > Ohh, conical fits (I h

Re: [Emc-users] machine tool tapers

2012-04-12 Thread charles green
hah! FINO. i always wondered what that thing was called. --- On Wed, 4/11/12, Kent A. Reed wrote: > From: Kent A. Reed > Subject: Re: [Emc-users] machine tool tapers > To: "Enhanced Machine Controller (EMC)" > Date: Wednesday, April 11, 2012, 9:10 AM > On 4/11/20

Re: [Emc-users] Nonplanar arcs

2012-04-19 Thread charles green
..suppose you had a five axis millimg setup with the normal xyz plus alpha-beta rotation of the cutter rotation axis about a shperical center. then suppose that to take advantage of these spindle axes, you wanted to mill a planar facet on a part that was tipped at say five degrees to the x and

Re: [Emc-users] Nonplanar arcs

2012-04-19 Thread charles green
ught and attention to > follow the xyz > zero position. G69 cancels the rotations. > On Apr 19, 2012 10:58 PM, "charles green" > wrote: > > > ..suppose you had a five axis millimg setup with the > normal xyz plus > > alpha-beta rotation of the cutter rotatio

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
a useful thing is a specialized editor for gcode that can operate on selected sections of code. one of the editor's operations is to take a gcode selection, and within a tolerance from the original code, produce a more compact chunk of code. the millions of lines of 3d g1 moves are turned into

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
if speed is an issue, consider the solution of being a doctor: have patience. --- On Thu, 4/19/12, Stephen Dubovsky wrote: > From: Stephen Dubovsky > Subject: Re: [Emc-users] Trajectory planning and other topics from a > EMC(LinuxCNC) newbie (TheNewbie) > To: "Enhanced Machine Controller (EMC

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
feedrate is still a gotcha for short arc segments on some machine controls. g17 g2 arclength around .005", z change 2" faults the servo system at f20". turns out the feed is also interpolated in one of the three usable control interpolation planes, leaving a coordindated helix out of bounds fo

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
that makes the problem four dimensional: for each considered point, there is also an axis of relevance to the consideration. --- On Fri, 4/20/12, andy pugh wrote: > From: andy pugh > Subject: Re: [Emc-users] Trajectory planning and other topics from a > EMC(LinuxCNC) newbie (TheNewbie) > To

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
wikipedia puts a somewhat different spin on nurbs. see the "use" section of the article, first paragraph. --- On Fri, 4/20/12, Viesturs Lācis wrote: > From: Viesturs Lācis > Subject: Re: [Emc-users] Trajectory planning and other topics from a > EMC(LinuxCNC) newbie (TheNewbie) > To: emc-use

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
hings You listed to be changed makes me > think that > filter is much easier to do (except the math part). > > 2012/4/20 charles green : > > wikipedia puts a somewhat different spin on nurbs. >  see the "use" section of the article, first paragraph. > > > >

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
why not abandon rs274ngc almost entirely? keep it as a supported file type like ascii or html, but the machine control transforms it into nurbs or whatever for functional purposes? --- On Fri, 4/20/12, Michael Haberler wrote: > From: Michael Haberler > Subject: Re: [Emc-users] Trajectory pl

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
..the weakness the borg find irresistably delicious. also, the, "what was the author thinking" question, if you've ever studied soft literature. also, the shyness of REMarks in the harder literature. --- On Fri, 4/20/12, andy pugh wrote: > From: andy pugh > Subject: Re: [Emc-users] Traject

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
#3 <- facebook style "like" --- On Fri, 4/20/12, Kenneth Lerman wrote: > From: Kenneth Lerman > Subject: Re: [Emc-users] Trajectory planning and other topics from a > EMC(LinuxCNC) newbie (TheNewbie) > To: [email protected] > Date: Friday, April 20, 2012, 6:06 AM > On 4/20/2012 4

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-20 Thread charles green
Friday, April 20, 2012, 6:05 AM > Doesn't even G02/G03 result in a > series of very small linear moves sent to > the servo motors? Wouldn't a NURB conversion do the same > thing? > On Apr 20, 2012 8:00 AM, "charles green" > wrote: > > > another ope

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-21 Thread charles green
maybe the constraint should be (neglecting e stop) that the control stops at the next block that could contain a zero velocity, given the machinetool's maximum acceleration. single stepping would then be slower than max possible speed, and pausing continuous block execution would occur at an in

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-21 Thread charles green
total lookahead is a boundless problem, just as creating a 3d preview of the commanded toolpaths is a boundless problem (the backplot). the controller on some level can handle the ngc file in its entirety, so why not deal with machine acceleration limits on the same level, or machine limits in

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-21 Thread charles green
optimum value for planning ahead for a possible stop or maximum acceleration change: take current feed for current block and maximum possible accel of machine to get distance required for stop. then next N blocks that cover that distance, and apply appropriately modified feeds to them. think

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-25 Thread charles green
eff carrot carrot carrot "mom! jonny went on the internet and typed a BAD word!" "now jenny.. dont be upset. you know the censors keep the internet perfectly bland." --- On Sun, 4/22/12, Steve Blackmore wrote: > From: Steve Blackmore > Subject: Re: [Emc-users] Trajectory planning and other

Re: [Emc-users] Trajectory planning and other topics from a EMC(LinuxCNC) newbie (TheNewbie)

2012-04-25 Thread charles green
exaggerated mechanism contraption 3? i am stoked for more lowgrade cable movie series. --- On Sun, 4/22/12, Steve Blackmore wrote: > From: Steve Blackmore > Subject: Re: [Emc-users] Trajectory planning and other topics from a > EMC(LinuxCNC) newbie (TheNewbie) > To: "Enhanced Machine Control

[Emc-users] axis jog increments

2012-05-01 Thread charles green
does anyone know what the relationship between linear axis units and rotary axis units is? the matter is twofold: 1) feedrate. 2) jog increment. -- Live Security Virtual Conference Exclusive live event will cover all t

Re: [Emc-users] Sprinter Easy Install tool for 3D Printer

2012-05-01 Thread charles green
smells like spam --- On Tue, 5/1/12, rob c wrote: > From: rob c > Subject: [Emc-users] Sprinter Easy Install tool for 3D Printer > To: [email protected] > Date: Tuesday, May 1, 2012, 3:13 PM > > For anyone interested in a simple install tool for a open > source 3D printer try htt

Re: [Emc-users] Something for the 3D printer

2012-05-03 Thread charles green
spamathon. who's got the boot? --- On Wed, 5/2/12, rob c wrote: > From: rob c > Subject: [Emc-users] Something for the 3D printer > To: [email protected] > Date: Wednesday, May 2, 2012, 6:32 AM > > http://whatisacnc.com/sprinter a simple install bundle > for a windows system. >

Re: [Emc-users] Join the 3D Printer Revolution

2012-05-07 Thread charles green
if there was a way to make parts out of spam, they would be indestructable. --- On Sun, 5/6/12, Viesturs Lācis wrote: > From: Viesturs Lācis > Subject: Re: [Emc-users] Join the 3D Printer Revolution > To: "Enhanced Machine Controller (EMC)" > Date: Sunday, May 6, 2012, 1:47 AM > Is there a ch

Re: [Emc-users] Behavior of Touch-Off Dialog (and Tool Table Editor?)

2012-05-07 Thread charles green
you also might want to set the coordinate system to the value of the tool's offset from the tool offset table.. --- On Mon, 5/7/12, Chris Radek wrote: > From: Chris Radek > Subject: Re: [Emc-users] Behavior of Touch-Off Dialog (and Tool Table Editor?) > To: "Enhanced Machine Controller (EMC)"

Re: [Emc-users] First cut

2012-05-09 Thread charles green
your automated router should make the next one much easier to construct. --- On Wed, 5/9/12, Mike Bennett wrote: > From: Mike Bennett > Subject: Re: [Emc-users] First cut > To: "Enhanced Machine Controller (EMC)" > Date: Wednesday, May 9, 2012, 4:40 AM > > > > > > >Good work. I note the prese

Re: [Emc-users] First cut

2012-05-10 Thread charles green
that is a nice solution. i had always imagined two screws coupled with a belt or chain. --- On Wed, 5/9/12, Mike Bennett wrote: > From: Mike Bennett > Subject: Re: [Emc-users] First cut > To: "Enhanced Machine Controller (EMC)" > Date: Wednesday, May 9, 2012, 8:25 AM > The gantry is driven

Re: [Emc-users] OT-Retrofitting machines

2012-05-12 Thread charles green
what is this 'spare time' that you mention? i'm intrigued. --- On Sat, 5/12/12, cogoman wrote: > From: cogoman > Subject: Re: [Emc-users] OT-Retrofitting machines > To: "Enhanced Machine Controller (EMC)" > Date: Saturday, May 12, 2012, 8:36 AM > On 05/12/2012 10:15 AM, [email protected] > wrot

Re: [Emc-users] Some advice needed

2012-05-12 Thread charles green
easy solution: segment the program into a sequence of files, one for each different tool. this is similar to a slightly more tedious workaround for a controller with limited amount of program memory. --- On Fri, 5/11/12, Mike Bennett wrote: > From: Mike Bennett > Subject: Re: [Emc-users] S

Re: [Emc-users] Emc-users Digest, Vol 73, Issue 56

2012-05-13 Thread charles green
viesturs, that sounds like love. --- On Sun, 5/13/12, Viesturs Lācis wrote: > From: Viesturs Lācis > Subject: Re: [Emc-users] Emc-users Digest, Vol 73, Issue 56 > To: "Enhanced Machine Controller (EMC)" > Date: Sunday, May 13, 2012, 3:41 AM > 2012/5/13 Roger Holmquist : > > > > Well, I haven't

Re: [Emc-users] Some advice needed

2012-05-13 Thread charles green
wire electric discharge cutting? --- On Sun, 5/13/12, Viesturs Lācis wrote: > From: Viesturs Lācis > Subject: Re: [Emc-users] Some advice needed > To: "Enhanced Machine Controller (EMC)" > Date: Sunday, May 13, 2012, 12:32 AM > 2012/5/13 charles green : > > easy

Re: [Emc-users] Some advice needed

2012-05-13 Thread charles green
with linux, but dont know what it is. remote control and data pipes maybe? --- On Sat, 5/12/12, dave wrote: > From: dave > Subject: Re: [Emc-users] Some advice needed > To: [email protected] > Date: Saturday, May 12, 2012, 10:40 PM > On Sat, 12 May 2012 16:43:29

Re: [Emc-users] Some advice needed

2012-05-13 Thread charles green
. --- On Sun, 5/13/12, Viesturs Lācis wrote: > From: Viesturs Lācis > Subject: Re: [Emc-users] Some advice needed > To: "Enhanced Machine Controller (EMC)" > Date: Sunday, May 13, 2012, 4:12 AM > 2012/5/13 charles green : > > wire electric discharge cuttin

Re: [Emc-users] Some advice needed

2012-05-13 Thread charles green
"Enhanced Machine Controller (EMC)" > Date: Sunday, May 13, 2012, 4:38 AM > On 13 May 2012 12:04, charles green > > wrote: > > wire electric discharge cutting? > > I was thinking that might be the easiest approach for low > volume. > > How many of these do you

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