Re: [Emc-users] Any Interest or Ideas for a Linuxcnc Fest 2016 ?

2016-06-22 Thread Sebastian Kuzminsky 
On 06/22/2016 10:22 PM, Gregg Eshelman wrote:
> Something that reads in a G-code file then outputs a G-code file that
> is mirror imaged along either the X or Y axis. Then when one wants to
> cut the mirror image of the original, simply load that file. It would
> need to handle cut direction changes if needed.

I wonder if Scorchworks' "Gcoderipper" can do that?

http://www.scorchworks.com/Gcoderipper/gcoderipper.html

It doesn't list 'mirror' as one of its features, but it does list 
'scale', and 'mirror' is just a scale of -1.


I've heard good things about another Scorchworks product called 
F-engrave.  It does text V-carving from Truetype fonts, and other tricks.

Both are open source projects that run on Linux and work well with 
LinuxCNC.  We have f-engrave packages in our debian archive already 
("sudo apt-get install f-engrave"), if there's a success story or two 
about gcoderipper i'll add packages for it too.


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Re: [Emc-users] Any Interest or Ideas for a Linuxcnc Fest 2016 ?

2016-06-22 Thread Gregg Eshelman 
Something that reads in a G-code file then outputs a G-code file that is mirror 
imaged along either the X or Y axis. Then when one wants to cut the mirror 
image of the original, simply load that file. It would need to handle cut 
direction changes if needed.
 
  From: Jon Elson 
 To: Enhanced Machine Controller (EMC)  
 Sent: Wednesday, June 22, 2016 7:37 PM
 Subject: Re: [Emc-users] Any Interest or Ideas for a Linuxcnc Fest 2016 ?
   
On 06/22/2016 01:09 PM, Stuart Stevenson wrote:

I laboriously converted one of my C programs for generating 
G-code to Python, as an attempt to make it into a G-code 
wizard.  I might like to work with one of the Python gurus 
to critique what I've done and eventually convert all of my 
c programs to wizards, and add them to the contributed wizards.

I'm thinking of building a touch probe, but likely won't 
have it done in time.  I'd like to learn about probing routines.

I'm not too sure what else I'd be interested in fiddling 
with, but I'll bet opportunities will pop up.

   
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Re: [Emc-users] Any Interest or Ideas for a Linuxcnc Fest 2016 ?

2016-06-22 Thread Jon Elson 
On 06/22/2016 01:09 PM, Stuart Stevenson wrote:

I laboriously converted one of my C programs for generating 
G-code to Python, as an attempt to make it into a G-code 
wizard.  I might like to work with one of the Python gurus 
to critique what I've done and eventually convert all of my 
c programs to wizards, and add them to the contributed wizards.

I'm thinking of building a touch probe, but likely won't 
have it done in time.  I'd like to learn about probing routines.

I'm not too sure what else I'd be interested in fiddling 
with, but I'll bet opportunities will pop up.

Jon



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Re: [Emc-users] Any Interest or Ideas for a Linuxcnc Fest 2016 ?

2016-06-22 Thread Stuart Stevenson 
Gentlemen,
I want to reiterate the date is not set in stone (unless we want it to be).
I want to facilitate anyone's schedule so if we have conflicts let's change
the date to resolve them.
anytime will work for me but a week prior or a week later would be great
thanks
Stuart


On Wed, Jun 15, 2016 at 2:13 PM, Stuart Stevenson  wrote:

> This will most probably be an October 7th, 8th and 9th event.
> In all honesty anyone can come at any time.
> We schedule it for the entire week including the weekend. People come when
> they can but most get here Thursday and Friday and go home Sunday or Monday.
> We will be set up to start Monday for anyone that arrives then.
>
> On Wed, Jun 15, 2016 at 1:01 PM, Ed  wrote:
>
>> On 06/15/2016 10:48 AM, Stuart Stevenson wrote:
>> > Gentlemen,
>> > I propose the week of Oct 3rd through whenever the last person leaves.
>> > Check your schedules against these dates and let the list know if you
>> have
>> > conflicts.
>> > I think the goal should be to have a schedule set by July 30. That
>> gives us
>> > 45 days to make changes and allow time for travel arrangements to be
>> made
>> > after July 30.
>> > This date is nothing more than my attempt to set a goal to get everyone
>> > here and have a good time. The date is fluid on purpose.
>> >
>> Will this include a weekend? For myself I can get to something within an
>> days drive and on a weekend. Witchita is at the end of a 12 hr drive.
>> The joys of being your own boss and the only employee. I am  a
>> fanboi/user/student more than an integrator or developer.
>>
>> Ed.
>>
>>
>>
>> --
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>>
>
>
>
> --
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Re: [Emc-users] A friend bought an old Monarch lathe

2016-06-22 Thread Ed 
On 06/18/2016 12:39 PM, James Isaac wrote:
> Hello all.
>
> A friend is asking for advice on how to get a 1940 vintage Monarch lathe back 
> working.
> I have emailed what advice I can give,
> (my background was S/W and S/W testing, and am only moving into metal 
> cutting).
>
> You guys have more experience with past machines than I have.
>
> I ask for recommendations on which old lathe / metalworking forums to read 
> and ask advice on.
>
>
> Capabilities of friend:
>  - Farmer.  Dairy cattle.
Been there,done that.


>  - Registered at a college in Mechanical Engineering Technology, a course 
> that has a 30 year history,
>(Algonquin administration is cost conscious.
> They cancel courses with low enrollment, and do not bring the courses 
> back).
>Current status: working his way through first year,
>and is two courses away from the first of two CNC courses.
>He has experience working with lathes, and is

Good start, learn manual then go to CNC

>  - The three jaw chuck is reported to be missing parts.
>  - Original Forward and Reverse starting electronics were removed.  I am 
> not sure how the 3 HP motor runs.

Use a VFD to control the motor. 3 HP means it is a smaller lathe

>  - On original purchase, fine dirt covered everything.
>Cleaning and greasing commenced.
>  - All fifteen speeds, 13 to 500 some rpm, are working, but not verified 
> as  at the correct speed.

Monarchs of that vintage usually had 16 speeds on 4 levers (binary) 
These seem to be the speeds like my model 14AA which had 16" swing.

> - Feeds are not working.
> - At least one knob is missing.  No manual or picture, so more surprises 
> await.

Knobs? CNC don't need no stinking knobs!

> 
>
> Any decision on converting the Monarch to CNC is very premature.
> 1. It is not my lathe.
> 2. The lathe is not working perfectly, (which could be worked around, under 
> the right circumstances).

My 14AA was completely worn out. The plan was to refinish the ways on 
the planer, scrape the carriage to fit, then convert to CNC by leaving 
off the apron and installing a ball screw in place of the feed shaft. 
That all changed when I got a chance on a machine of slightly larger 
capacity with the Fanuc control.

>
>
> My thanks to the person who put the question "Does this colour on my lathe, 
> make my tailstock look fat?".
> It gave a friendly professor the giggles.  This prof did the manufacturing of 
> a satellite chassis, through all design changes.
>
>
> James Isaac.
>
Like that! 

Ed.


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