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Machsupport Forum
Mach Discussion
General Mach Discussion
feed rate
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Topic: feed rate (Read 1002 times)
0 Members and 2 Guests are viewing this topic.
BR549
Active Member
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Posts: 2,555
Re: feed rate
«
Reply #20 on:
September 19, 2010, 10:57:38 AM »
If that does not fix it permanaently.
x = GetToolChangeStart( 0 )
y = GetToolChangeStart( 1 )
z = GetToolChangeStart( 2 )
a = GetToolChangeStart( 3 )
b = GetToolChangeStart( 4 )
c = GetToolChangeStart( 5 )
if(IsSafeZ() = 1) Then
SafeZ = GetSafeZ()
if SafeZ > z then StraightTraverse x, y,SafeZ, a, b, c ****** LOOK here it does a straight traverse at rapid IF condition is met
StraightFeed x, y, z , a, b, c ****** THEN it does a straight FEED possibly at feedrate
else
Code"G00 X" & x & "Y" & y ******* OR just returns at Rapid
end if
ALSO please remember that IF you manually reset the Feedrate to a RAPID rate during a tool change MACRO. Then double check your program code right after it returns to work. MAKE sure it recalls for the proper Frate or else it may try to cut at a rapid rate.
SOme Cams reset the Frate every time. SOME only reset it IF it changed from the last MODAL rate
Just a thought, (;-) TP
«
Last Edit: September 19, 2010, 11:06:08 AM by BR549
»
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ger21
Global Moderator
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Posts: 2,616
Re: feed rate
«
Reply #21 on:
September 19, 2010, 11:12:01 AM »
Quote from: big-tex on September 19, 2010, 02:03:10 AM
Ok now that I found where it comes from and tested it.
I would like to add command to my script f=rapid feed rate
How would I do that?
Just use G0 moves for rapid feedrate moves. Then you don't need to change to the rapid feedrate.
Logged
Gerry
2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
big-tex
Active Member
Offline
Posts: 40
Re: feed rate
«
Reply #22 on:
September 20, 2010, 07:22:09 PM »
Rem Rem VBScript To probe In the z axis 'Written by Big-Tex May 23 2010
If GetOemLED(801) Then 'NOTE: This part of script is for Inches as Native Units
If GetOemLed (825) <> 0 Then 'Check to see if the probe is already grounded or faulty
Code "(Z-Plate is grounded, check connection and try again)" 'this goes in the status bar if aplicable
Else
Code "G4 P1" 'Pause 1 seconds to give time to position probe plate
PlateOffset = GetUserDRO(1151) 'Get plate offset DRO
CurrentFeed = GetOemDRO(818) 'Get the current feedrate to return to later
Code "F12" 'slow down feedrate to 12 ipm
Rem Probe In the z direction
ZNew = GetDro(2) - 6 'probe move to current z - 6 inches
Code "G31Z" &ZNew
While IsMoving() 'wait for probe move to finish
Wend
ZNew = GetVar(2002) 'read the touch point
Code "G0 Z" &ZNew +.1 'move back +.1 to hit point incase there was overshoot +.1
While IsMoving ()
Wend
Rem End add lines
Code "F4" 'slow down feedrate to 4 ipm
ZNew = GetDro(2) - .25 'probe move to current z - .25 inches
Code "G31Z" &ZNew
While IsMoving() 'wait for probe move to finish
Wend
ZNew = GetVar(2002) 'read the touch point
Code "G0 Z" &ZNew 'move back to hit point incase there was overshoot
While IsMoving ()
Wend
If PlateOffset <> 0 Then
Call SetDro (2, PlateOffset) 'set the Z axis DRO to plate thickness
Code "G4 P0.25" 'Pause for Dro to update.
ZNew = PlateOffset + 2.6315 'calc retract
Code "G0 Z" &ZNew 'put the Z retract height you want here
While IsMoving ()
Wend
Code "(Z axis is now zeroed)" 'puts this message in the status bar
End If
Code "F" &CurrentFeed 'Returns to prior feed rate
End If
Else 'NOTE: This portion of script is for Metric as Native Units
If GetOemLed (825) <> 0 Then 'Check to see if the probe is already grounded or faulty
Code "(Z-Plate is grounded, check connection and try again)" 'this goes in the status bar if aplicable
Else
Code "G4 P1" 'Pause 1 seconds to give time to position probe plate
PlateOffset = GetUserDRO(1151) 'Get plate offset DRO
CurrentFeed = GetOemDRO(818) 'Get the current feedrate to return to later
Code "F300" 'slow down feedrate to 300 mmpm
Rem Probe In the z direction
ZNew = GetDro(2) - 150 'probe move to current z - 150 mm
Code "G31Z" &ZNew
While IsMoving() 'wait for probe move to finish
Wend
ZNew = GetVar(2002) 'read the touch point
Code "G0 Z" &ZNew + 3 'move back + 3 mm to hit point incase there was overshoot + 3 mm
While IsMoving ()
Wend
Rem End add lines
Code "F100" 'slow down feedrate to 100 mmpm
ZNew = GetDro(2) - 6 'probe move to current z - 6 mm
Code "G31Z" &ZNew
While IsMoving() 'wait for probe move to finish
Wend
ZNew = GetVar(2002) 'read the touch point
Code "G0 Z" &ZNew 'move back to hit point incase there was overshoot
While IsMoving ()
Wend
If PlateOffset <> 0 Then
Call SetDro (2, PlateOffset) 'set the Z axis DRO to plate thickness
Code "G4 P0.25" 'Pause for Dro to update.
ZNew = PlateOffset + 60 'calc retract
Code "G0 Z" &ZNew 'put the Z retract height you want here
While IsMoving ()
Wend
Code "(Z axis is now zeroed in metric Units)" 'puts this message in the status bar
End If
Code "F" &CurrentFeed 'Returns to prior feed rate
End If
End If
Now` that is about most of the code this line is setting feedrate to previous tool path
Code "F" &CurrentFeed 'Returns to prior feed rate
Now I know where its coming from
Now Gerry
you say to change to GO
Code"G00 X" & x & "Y" & y ******* OR just returns at Rapid
Code"G0 X" & x & "Y" & y ******* OR just returns at Rapid
Is that right?
Logged
Thomas
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