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Topics - bill_burgess

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1
General Mach Discussion / Estop at wrong times web cam how do i ? help
« on: December 26, 2007, 01:47:16 PM »
Hi  All Been a while since  i  have  been back  here 
its  xmass  what  beter   time  to  play  with  my  toy  and  create  myself  more  problems
any  help  or  pointers  to  posts  that  may  help  apreaciated

ok  i  upgraded to  day  to  ver  R2.62   checked  opration  all  seems  good

ok  i have  my  system  set  up  with  soft  limits   this  works  very  good  but  i  have  to  remeber  to  switch  off befor doing a  ref all
if  i  do  not  then  it  seems  to  ref  the  z axis   ok but  when  it  hits  the  limit  switch on  the y axis  it  trips the  estop  with  the  warning
limits .  I  have  to  switch  of  limits  then  ref  then move all the axis away from  the  limit switches  then  switch  on soft limits again.
this  was also happing on  the old  version  that i was using .  is  there a way  that  i  can  change the code  behind  the  ref all button to  do  the above  automaticly  ie  switch  of  soft limits  ref all drives then move drives to  a set  position  then  switch  soft limits  on  again .
or  is  somthing  not  right  on  my  system .

I also  find a  problem  when i  call  for  NFS wizards  to  load  this also  caused my  system  to  trip  the  estop  i  can  only  think  that  the reset  is  not  sent  to  the  cambell board that  i  am  using  and  the watchdog times  out and  trips  the system  while  these are  loading
any  one  had  this  problem  befor .

Now  the  good  news  i  have  set  up  my  webcam  and  seem  to  have  this  working ok  but  cant  find  any  instructions  on  using  it
my intention  was  to  have  it  set  with an  offset   x+50 y-50   this  i  have  done I  can  now use  the camra to   center  on  say  a 6mm hole  then  type  the offset value into the dro for x and  y  this  then allowes  me  to  put  the  cutter back into  the  hole at x=0 y=0
I  was  looking   for a  button that  would  let  me  do  this automaticly   or  have  i  missed  somthing  here

anyway  thanks  for  reading  this   and  any  help you  can  give   

Bill

2
LazyCam (Beta) / lazy cam with version 2 mach 3 photo engraving prob
« on: December 02, 2006, 06:33:04 PM »
Hi guys   at present  use  lock down version of  mach 3 on  my  cnc   but have  latest version with lazy cam  on  laptop  to  learn  to drive befor i upgrade   
I have been  trying to use lazy cam  to generate g code  to do photo engraving  i have generated g code  using the  V drill module
have set  to max depth  of  0.8 mm  with 60 deg  cutter

when i  generate  code  it gives  X  and  Y  locations  but  no  commands to  drive  the z axis   
any ideas  what i am doing wrong ?

thanks  Bill

ps  any one  know  if  in  latest  Mach 3  if  the spindle speed control  works  with the feedback  loop

3
Hi Guys  i have enter details in to this wizard and all seems to work well apart from the last  section that looks as if it is doing the finish cut

the idea is to cut a pocket  100 x 50  3 mm deep 
have put deatails in to wizard and it generats the following code
this all works as expected apart from the last section that  puts the tool  3 mm above the work and then proceds to cut  air ?
am i missing somthing ?
or is this a bug in the code
this is the wizaed that is supplied with 1.84 march3
brain  & kiran
details  that i put in wizard are as follows

 
 
tool  dia   +6mm
feed plunge  +20
rough feed  +1500
job z +0.000
rapid hight  +0.1
Xposition     +0.0000
Ypoaition     +0.0000
step depth    +0.8000
% stepover   50
Clearance  +0.9000
Length 100.0000
width  50.0000
depth +3.0000
rough pass  conv mill
finish Pass  conv mill
finish feed +1800.00
finish amount +0.4000
 
 
 

thanks
G00 X25 Y25
G0 Z0.1
G01 Z-0.8 F20
X75 F1500
X78 Y28
Y22
X22
Y28
X78
X81 Y31
Y19
X19
Y31
X81
X84 Y34
Y16
X16
Y34
X84
X87 Y37
Y13
X13
Y37
X87
X90 Y40
Y10
X10
Y40
X90
X93 Y43
Y7
X7
Y43
X93
X96 Y46
Y4
X4
Y46
X96
X96.6 Y46.6
Y3.4
X3.4
Y46.6
X96.6
G00 Z0.1
G00 X25 Y25
G0 Z-0.7
G01 Z-1.6 F20
X75 F1500
X78 Y28
Y22
X22
Y28
X78
X81 Y31
Y19
X19
Y31
X81
X84 Y34
Y16
X16
Y34
X84
X87 Y37
Y13
X13
Y37
X87
X90 Y40
Y10
X10
Y40
X90
X93 Y43
Y7
X7
Y43
X93
X96 Y46
Y4
X4
Y46
X96
X96.6 Y46.6
Y3.4
X3.4
Y46.6
X96.6
G00 Z0.1
G00 X25 Y25
G0 Z-1.5
G01 Z-2.4 F20
X75 F1500
X78 Y28
Y22
X22
Y28
X78
X81 Y31
Y19
X19
Y31
X81
X84 Y34
Y16
X16
Y34
X84
X87 Y37
Y13
X13
Y37
X87
X90 Y40
Y10
X10
Y40
X90
X93 Y43
Y7
X7
Y43
X93
X96 Y46
Y4
X4
Y46
X96
X96.6 Y46.6
Y3.4
X3.4
Y46.6
X96.6
G00 Z0.1
G00 X25 Y25
G0 Z-2.1
G01 Z-3 F20
X75 F1500
X78 Y28
Y22
X22
Y28
X78
X81 Y31
Y19
X19
Y31
X81
X84 Y34
Y16
X16
Y34
X84
X87 Y37
Y13
X13
Y37
X87
X90 Y40
Y10
X10
Y40
X90
X93 Y43
Y7
X7
Y43
X93
X96 Y46
Y4
X4
Y46
X96
X96.6 Y46.6
Y3.4
X3.4
Y46.6
X96.6
G00 Z0.1
X50 Y46.2
G0 Z3
G01 Z3 F20
Y47 F1800
X97
Y3
X3
Y47
X50
Y46.6
G00 Z0.1
M5 M9
M30

4
General Mach Discussion / cut circle wizard by Kiran problem
« on: January 04, 2006, 02:16:04 PM »
Hi guys  have got my toy working now and have started to try out some of the wizards 
I am having a problem with the on  for cut circle    by kiran

when i first try to use this i asked for a 50 mm dia  circle  but  my cnc  cut a circle  about 200 mm  dia and ofset from the point it should have centerd on

i have tryed to simulate this  and run in software only by the following

start mach  3  and reset 
home mach 3
zero all dros
call up the wizard  and set up a circle  of 50 mm dia
set x  and y  to 0.0
set tool to 2mm dia
post g code
regen tool path
run program
the x dro will drive to +23.9 mm
the y dro will drive 
then as the cutter comes round the x dro will then drive to -71.0 mm

this is the bit that i think is going wrong    this adds up to    71 +23.9    = 94.9  mm    not the 50 mm - cuting tool dia  that i expected

any one know is it the wizard that  is wrong  or i am i missing something

regards Bill

5
General Mach Discussion / spindel speed pulse count setting
« on: November 06, 2005, 06:45:17 PM »

well  i am sure i see it some where  but cant find it now

how do i tell  Mc 3  that i have 4 pulses per rev  if i go spindel calibrate i see box  but it wont let me  change value

i have looked all other places  but i cant see how i can  ajust this

any one help ?

regards Bill

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