Hello Guest it is August 19, 2019, 09:37:45 PM

Author Topic: issues with PCB milling - newbie  (Read 6349 times)

0 Members and 1 Guest are viewing this topic.

Offline Tweakie.CNC

*
  • *
  •  7,884 7,884
  • Super Kitty
    • View Profile
    • Tweakie.CNC
Re: issues with PCB milling - newbie
« Reply #20 on: May 06, 2012, 05:17:16 AM »
Hi Thomas,

My choice would be to reduce the backlash mechanically.

For a test program, you could try something like this where the central line is composed of 3 separate segments approached from alternate directions – if it is stepped, then that would show the backlash on the Y axis.

Tweakie.


Code: [Select]
f100
g21
g0 z2
g0 y0 x0
g1 Z-0.5
g1 X10
g0 Z2
g0 y75 x0
g1 Z-0.5
g1 X10
g0 Z2
g0 y150 x0
g1 Z-0.5
g1 X10
g0 Z2
g0 y75
g1 Z-0.5
g1 X20
g0 Z2
g0 y0 x10
g1 Z-0.5
g1 X20
g0 Z2
g0 y75
g1 Z-0.5
g1 X30
g0 Z2
g0 y0 x0
m30
%
Success consists of going from failure to failure without loss of enthusiasm.  Winston Churchill.
Re: issues with PCB milling - newbie
« Reply #21 on: May 06, 2012, 05:34:41 AM »
yes - it is stepped. Now for my Allen key...

thanks for the code.. I will have more questions in 30 mins I am sure!

Thomas