Rounded corners and "rounded down".
23 Feb 2016 14:59 #70514
by aparecido
Rounded corners and "rounded down". was created by aparecido
Hello, I posted a little while a topic about a problem he was having with latency and it was resolved, now I have another problem, to simulate the operation of the G code sample that opens with the LinuxCNC, it happens what is in the picture below, the tool moves before reaching the surface of the material to be milled, the corners are rounded, begotten g pci'se code is the same 'problem', I changed the speed of the shaft and does not solve.
Detail I am simulating the code in the program did not call the machine because I want to let all of software and ready configuration to avoid problems.
Has some setting or option should I enable / disable to change this?
Thank you.
photoupload
Detail I am simulating the code in the program did not call the machine because I want to let all of software and ready configuration to avoid problems.
Has some setting or option should I enable / disable to change this?
Thank you.
![File Attachment:](http://s21.postimg.org/nj5zjp31z/print_cnc_Copia.jpg)
photoupload
Please Log in or Create an account to join the conversation.
23 Feb 2016 15:14 #70519
by BigJohnT
Replied by BigJohnT on topic Rounded corners and "rounded down".
Depending on the update frequency of the monitor is how accurate the tool path is represented in the back plot.
And: linuxcnc.org/docs/2.7/html/user/user-con...#_trajectory_control
JT
And: linuxcnc.org/docs/2.7/html/user/user-con...#_trajectory_control
JT
The following user(s) said Thank You: aparecido
Please Log in or Create an account to join the conversation.
23 Feb 2016 15:42 #70524
by aparecido
Replied by aparecido on topic Rounded corners and "rounded down".
So I tested now tried with G64 P0.0125 code and it did not work, I tested with F1500 G61 code and also did not work, the simulation also takes place as the image above. Researching the topic, I read that in the Mach3 has an option that changes the rounding of the corners (if I did not wrong), in LinuxCNC / EMC2 does not have an equal option? Thank you.
Please Log in or Create an account to join the conversation.
23 Feb 2016 22:58 - 23 Feb 2016 23:03 #70540
by BigJohnT
Replied by BigJohnT on topic Rounded corners and "rounded down".
G61 is exact path mode, if your monitor is slow it may not update well. Try a real slow speed with G61. I ran the splash screen on my computer and get perfect square corners right out of the box. Did you run the latency test?
JT
JT
Last edit: 23 Feb 2016 23:03 by BigJohnT.
The following user(s) said Thank You: aparecido
Please Log in or Create an account to join the conversation.
24 Feb 2016 01:55 - 24 Feb 2016 02:44 #70548
by aparecido
Replied by aparecido on topic Rounded corners and "rounded down".
Hi, so I downloaded the movement speed, literally almost stopped and the same thing happened. The latency you test was less than 17,000 with various things open, including mp3, videos, programs etc.
Can post example of how to use the G61 and the G64 command to identical test your test? Thank you.
Can post example of how to use the G61 and the G64 command to identical test your test? Thank you.
Last edit: 24 Feb 2016 02:44 by aparecido.
Please Log in or Create an account to join the conversation.
24 Feb 2016 07:18 #70559
by Rick G
Replied by Rick G on topic Rounded corners and "rounded down".
Something like this...
When you are in MDI mode the active g codes will be listed on the lower left of the screen.
Rick G
%
G17 (xy plane)
G20 (inches)
G40 (cancel cutter radius compensation)
G49 (cancel tool length offset)
G90 (absolute distance mode)
G94 (units/min feed rate)
G64 P.001 Q.001 (set path tolerance)
F10
G0 XOYO
G1 X5
G1 Y5
G1 X0
G1 Y0
%
When you are in MDI mode the active g codes will be listed on the lower left of the screen.
Rick G
The following user(s) said Thank You: aparecido, Sadmeatball
Please Log in or Create an account to join the conversation.
24 Feb 2016 12:24 #70566
by BigJohnT
I did nothing more than run the splash code on the Axis Sim as is.
JT
Replied by BigJohnT on topic Rounded corners and "rounded down".
Hi, so I downloaded the movement speed, literally almost stopped and the same thing happened. The latency you test was less than 17,000 with various things open, including mp3, videos, programs etc.
Can post example of how to use the G61 and the G64 command to identical test your test? Thank you.
I did nothing more than run the splash code on the Axis Sim as is.
JT
The following user(s) said Thank You: aparecido
Please Log in or Create an account to join the conversation.
24 Feb 2016 16:09 - 11 Mar 2016 00:55 #70574
by aparecido
Replied by aparecido on topic Rounded corners and "rounded down".
Tested here and now it is running without rounding, only the command "G64 P.001 Q.001 (set path tolerance)" already solved the problem.
Thanks a lot for help, hugs.
Thanks a lot for help, hugs.
Last edit: 11 Mar 2016 00:55 by aparecido.
Please Log in or Create an account to join the conversation.
11 Mar 2016 00:55 #71368
by aparecido
Replied by aparecido on topic Rounded corners and "rounded down".
I will take this topic not to open another, set up the stepconf and jog test correctly handled axis with the distance set + -15mm, but when trying to run gcode in linuxcnc engines remain standing despite the simulator to be moving. My driver is CNC3AX that is based on the L297, if I'm not mistaken the project is a French.
In turbocnc and stepconf jog the motors move correctly, but in Linuxcnc both in jog and the execution of gcode, the engines are stopped.
What should I do? From what already googled, just open the Linuxcnc, out of emergency mode and 'connect' to the homing and run gcode in my case using the example he carries when opening the program.
In turbocnc and stepconf jog the motors move correctly, but in Linuxcnc both in jog and the execution of gcode, the engines are stopped.
What should I do? From what already googled, just open the Linuxcnc, out of emergency mode and 'connect' to the homing and run gcode in my case using the example he carries when opening the program.
![:( :(](/media/kunena/emoticons/sad.png)
Please Log in or Create an account to join the conversation.
11 Mar 2016 13:05 #71393
by andypugh
This is almost always because the drive enable inputs to the stepper drivers are being operated in the inverted sense.
Stepconf does not do anything to enable the drives. It is likely that LinuxCNC is trying to enable the drives but is, in fact, disabling them.
To test this, see if the motors are locked when LinuxCNC is in e-stop mode, and turn freely when LinuxCNC is enabled.
Replied by andypugh on topic Rounded corners and "rounded down".
In turbocnc and stepconf jog the motors move correctly, but in Linuxcnc both in jog and the execution of gcode, the engines are stopped
This is almost always because the drive enable inputs to the stepper drivers are being operated in the inverted sense.
Stepconf does not do anything to enable the drives. It is likely that LinuxCNC is trying to enable the drives but is, in fact, disabling them.
To test this, see if the motors are locked when LinuxCNC is in e-stop mode, and turn freely when LinuxCNC is enabled.
The following user(s) said Thank You: aparecido
Please Log in or Create an account to join the conversation.
Time to create page: 0.166 seconds