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Author Topic: Pie Blank maker  (Read 5220 times)
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ArtF
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« on: November 04, 2010, 01:48:34 PM »

Thx to Chuck for this utility that seems to create pie wedge gear blanks so the grain can be properly aligned. Warpage is always a problem when designing wooden clocks, so you may want
to check this one out..

Art
 

* GEARBLANK.zip (72.13 KB - downloaded 392 times.)
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Chuck
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« Reply #1 on: November 04, 2010, 09:30:39 PM »

Art,

Wood Gearblank

This is a FREE Windows program I wrote to create G code file to mill PIE shaped wood segments.
The segments are then glued up into any size gear blank.  The G code from your program then is used to mill the finished gear.

Here is Alpha version 0.13.  Everythin g I have tested is working for wooden gear blanks.

The .ZIP has a readme.tx t that gives a discripti on of it's operation and input fields.

Just unzip it anywhere and click on the Gearblank .exe.  Or put it on your desktop.

This program does not connect to the internet or mess with anything in your system.

Chuck

Updated with minor fixes

******* DOWNLOAD HERE !!! ********  current version

* GEARBLANK0_13.zip (68.35 KB - downloaded 307 times.)
« Last Edit: May 24, 2011, 11:21:13 AM by Chuck » Logged
John T
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« Reply #2 on: May 22, 2011, 06:26:21 AM »

Hi Art,
I just took a look and download the Pie Generator and the program won't instal for me .
John
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1% inspirati on 99% try, try again
ArtF
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« Reply #3 on: May 22, 2011, 07:23:09 AM »

John:

  I think you mean Chuck. Smiley

Chuck:

     Very nicely written program.. very complex code output. Smiley , but I laughed when I saw you had an identical problem to mine
in this one.. He'res an output of the Z var setting..

#100=20.0000 ;main feedrate
#101=10.0000 ;plunge feedrate
#102=0.5000 ;safe Z level
#103=1707274246351832000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0000 ;cutting level
;*****NOTE:look down the code you may move segments

   That looked so familiar after the last couple weeks I couldnt help but smile.

Art
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Chuck
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« Reply #4 on: May 24, 2011, 11:03:23 AM »

Art,

It looks just the same.... interesti ng.... at least you had some fun from it!

If you want to see the source for this let me know.  Here is the line of C code that created it:

    fprintf(gcout,"#103=%0.4f ;cutting level\n",thiscut);

Doing a quick check the variable "thiscut" is not initializ ed by me so this is compiler's runtime default initializ ation. Poor programmi ng and all bets are off for it's content.  I will post an update with this fixed.  I did make it clear this was an ALPHA release?!

John,

The Gcode variable #103 is updated so the quick fix is to set it to zero at that point in your example code.

These variables allow you to flip, rotate and move the segments.  Wood doesn't always provide you with the best grain and sitting at the computer is different than standing at the machine trying to dodge a knot and make the part.

Check my first post for and updated program, I added a line to initializ e:      thiscut=0.;


Chuck
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