def make(self,app, XStart=0.0, YStart=0.0, ZStart=30., AlignAxis="Y", \
RotAxis="A", StockLeng=20, ReduceDepth=-1, PassDepth=1, \
Stepover=1, ZApproach=35, SpiralType="Spiral", CutBoth="True", LiftPass="******"):
#GCode Blocks
blocks = []
# Load tool and material settings
toolDiam = CNC.vars['diameter']
toolRadius = toolDiam / 2.
#Calc tool diameter with Maximum Step Over allowed
StepOverInUnitMax = toolDiam * CNC.vars['stepover'] / 100.0
#Check parameters
if RotAxis == "":
app.setStatus(_("Spiral abort: Rotary Axis is undefined"))
return
if SpiralType == "":
app.setStatus(_("Spiral abort: Spiral Type is undefined"))
return
if ZApproach <= ZStart :
app.setStatus(_("Spiral abort: Approach height must be greater than Z Start"))
return
if ReduceDepth > 0 :
app.setStatus(_("Spiral abort: Depth Reduction must be negative"))
return
if Stepover > StepOverInUnitMax and SpiralType == "Spiral": #if Type is Lines then stepover is degrees not mm
app.setStatus(_("Spiral abort: Step Over exceeds tool limits"))
return
elif Stepover > StepOverInUnitMax and SpiralType == "Lines": # This could cause a tool crash, but could also be used to make faceted shapes.
dr=tkMessageBox.askyesno("Crash Risk","WARNING: Using a larger stepover value than tool's maximum with lines operation may result in a tool crash. Do you want to continue?")
sys.stdout.write("%s"%(dr))
if dr == True or dr == "yes" :
app.setStatus(_("Risk Accepted")) #Using positive logic, if python returns ANYTHING other than True/yes this will not make g-code. Incase Python uses No instead of False
else:
return
if StockLeng <= 0 :
app.setStatus(_("Spiral abort: Stock Length to cut must be positive"))
return
#Add Region disabled to show worked area
block = Block(self.name + " Outline")
block.enable = False
block.append(CNC.grapid(CNC.vars["wx"],CNC.vars["wy"],ZApproach)) ## Cannot trust Safe-Z with 4th axis!!
if AlignAxis == "X":
outlineWidth = StockLeng
else:
outlineWidth = 0
if AlignAxis == "Y":
outlineHeight = StockLeng
else:
outlineHeight = 0
xR,yR = self.RectPath(XStart,YStart,outlineWidth,outlineHeight)
for x,y in zip(xR,yR):
block.append(CNC.gline(x,y))
blocks.append(block)
if StockLeng < toolDiam :
app.setStatus(_("Spiral abort: Stock Length is too small for this End Mill."))
return
#Prepare points for pocketing
xP=[]
yP=[]
rP=[]
zP=[]
gP=[]
#---------------------------------------------------------------------
#Line approach
if SpiralType == "Lines":
#Calc number of indexes
IndexNum = math.ceil(360/Stepover) # Using the step over as Degrees
#Calc number of pass
VerticalCount = math.ceil(abs(ReduceDepth) / PassDepth)
#Calc even depths of cut
EvenCutDepths = ReduceDepth / VerticalCount
currentR = 0
currentZ = ZStart - EvenCutDepths
direction = 1
if AlignAxis == "X" :
currentX = XStart + toolRadius
currentY = YStart
elif AlignAxis == "Y":
currentX = XStart
currentY = YStart + toolRadius
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
while (currentZ >= (ZStart + ReduceDepth)):
#sys.stdout.write("~~~~~%s,%s,%s,%s,%s!"%(currentZ,ZStart,ReduceDepth,EvenCutDepths,VerticalCount))
while (currentR < 360):
#sys.stdout.write("~~~~~%s,%s,%s,%s,%s!"%(currentR,Stepover,currentX,currentY,VerticalCount))
#Plunge in
gP.append(1)
rP.append(currentR)
zP.append(currentZ)
xP.append(currentX)
yP.append(currentY)
if direction == 1:
if AlignAxis == "X" :
currentX = StockLeng - toolRadius
currentY = YStart
elif AlignAxis == "Y":
currentX = XStart
currentY = StockLeng - toolRadius
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
if CutBoth == "True" :
direction = -1
else :
if AlignAxis == "X" :
currentX = XStart + toolRadius
currentY = YStart
elif AlignAxis == "Y":
currentX = XStart
currentY = YStart + toolRadius
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
direction = 1
gP.append(1)
zP.append(currentZ)
xP.append(currentX)
yP.append(currentY)
rP.append(currentR)
# Lift before rotating if required, useful to make non-round shape
if CutBoth == "False" : # Return to start
#Lift Before return
gP.append(0)
rP.append(currentR)
zP.append(ZApproach)
xP.append(currentX)
yP.append(currentY)
#Return to start
if AlignAxis == "X" :
currentX = XStart + toolRadius
currentY = YStart
elif AlignAxis == "Y":
currentX = XStart
currentY = YStart + toolRadius
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
gP.append(0)
xP.append(currentX)
yP.append(currentY)
rP.append(currentR)
zP.append(ZApproach)
#Rotate
currentR += Stepover
gP.append(0)
xP.append(currentX)
yP.append(currentY)
rP.append(currentR)
zP.append(ZApproach)
elif LiftPass == "True" and CutBoth == "True" :
gP.append(0)
rP.append(currentR)
zP.append(ZApproach)
xP.append(currentX)
yP.append(currentY)
currentR += Stepover
gP.append(0)
xP.append(currentX)
yP.append(currentY)
rP.append(currentR)
zP.append(ZApproach)
elif LiftPass == "False" and CutBoth == "True" :
currentR += Stepover
gP.append(0)
xP.append(currentX)
yP.append(currentY)
rP.append(currentR)
zP.append(ZApproach)
currentR=0
gP.append(0)
xP.append(currentX)
yP.append(currentY)
rP.append(currentR)
zP.append(ZApproach)
#Step Down
currentZ += EvenCutDepths
#---------------------------------------------------------------------
#Spiral approach
if SpiralType == "Spiral":
#Calc number of pass
StepsPerRot = math.ceil(StockLeng/Stepover)
TotalRot = 360 * StepsPerRot
#Calc steps in depth
VerticalCount = math.ceil(abs(ReduceDepth) / PassDepth)
#Calc even depths of cut
EvenCutDepths = ReduceDepth / VerticalCount
direction = 1
currentZ = ZStart - EvenCutDepths
if AlignAxis == "X" :
currentX = XStart + toolRadius
currentY = YStart
elif AlignAxis == "Y":
currentX = XStart
currentY = YStart + toolRadius
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
currentR = 0
while (currentZ >= (ZStart + ReduceDepth)):
# Plunge to depth
currentR += 90 # Ramp the Plunge
gP.append(1)
rP.append(currentR)
zP.append(currentZ)
xP.append(currentX)
yP.append(currentY)
# One Full Rotation for a clean shoulder
currentR += 360
gP.append(1)
rP.append(currentR)
zP.append(currentZ)
xP.append(currentX)
yP.append(currentY)
if AlignAxis == "X" :
if direction == 1:
currentX = StockLeng - toolRadius
else:
currentX = XStart + toolRadius
currentY = YStart
elif AlignAxis == "Y":
currentX = XStart
if direction == 1:
currentY = StockLeng - toolRadius
else:
currentY = YStart + toolRadius
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
currentR += TotalRot
gP.append(1)
rP.append(currentR)
zP.append(currentZ)
xP.append(currentX)
yP.append(currentY)
# One Full Rotation for a clean shoulder
currentR += 360
gP.append(1)
rP.append(currentR)
zP.append(currentZ)
xP.append(currentX)
yP.append(currentY)
if CutBoth == "True" :
direction *= - 1
else:
#Retract
gP.append(0)
rP.append(currentR)
zP.append(ZApproach)
xP.append(currentX)
yP.append(currentY)
# Return and Rewind
gP.append(0)
rP.append(currentR)
zP.append(ZApproach)
if AlignAxis == "X" :
currentX = XStart + toolRadius
currentY = YStart
elif AlignAxis == "Y":
currentX = XStart
currentY = YStart + toolRadius
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
xP.append(currentX)
yP.append(currentY)
currentZ += EvenCutDepths
#Start G-Code Processes
#Blocks for pocketing
block = Block(self.name)
block.append("(Reduce Rotary by Y=%g)"%(ReduceDepth))
block.append("(Approach: %s )" % (SpiralType))
#Move safe to first point
block.append(CNC.grapid(CNC.vars["mx"],CNC.vars["my"],ZApproach)) ## Cannot trust Safe-Z with 4th axis!!
if AlignAxis == "X" :
block.append(CNC.grapid(XStart + toolRadius,YStart))
elif AlignAxis == "Y":
block.append(CNC.grapid(XStart,YStart + toolRadius))
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
block.append(CNC.zenter(ZApproach))
block.append(CNC.gcode(1, [("f",CNC.vars["cutfeed"])]))
for g,x,y,z,r in zip(gP, xP,yP,zP, rP):
if RotAxis == "A" :
if g==0:
block.append(CNC.grapidABC(x,y,z,r,CNC.vars["wb"],CNC.vars["wc"]))
#sys.stdout.write("%s,%s,%s,%s,%s"%(g,x,y,z,r))
else:
block.append(CNC.glineABC(x,y,z,r,CNC.vars["wb"],CNC.vars["wc"]))
#sys.stdout.write("%s,%s,%s,%s,%s"%(g,x,y,z,r))
elif RotAxis == "B" :
if g==0:
block.append(CNC.grapidABC(x,y,z,CNC.vars["wa"],r,CNC.vars["wc"]))
else:
block.append(CNC.glineABC(x,y,z,CNC.vars["wa"],r,CNC.vars["wc"]))
elif RotAxis == "C" :
if g==0:
block.append(CNC.grapidABC(x,y,z,CNC.vars["wa"],CNC.vars["wb"],r))
else:
block.append(CNC.glineABC(x,y,z,CNC.vars["wa"],CNC.vars["wb"],r))
block.append(CNC.grapid(CNC.vars["wx"],CNC.vars["wy"],ZApproach)) ## Cannot trust Safe-Z with 4th axis!!
if AlignAxis == "X" :
block.append(CNC.grapid(XStart + toolRadius,YStart))
elif AlignAxis == "Y":
block.append(CNC.grapid(XStart,YStart + toolRadius))
else:
app.setStatus(_("Spiral abort: Rotary Axis Not Assigned."))
return
block.append(CNC.zexit(ZApproach))
blocks.append(block)
tkMessageBox.showinfo("Crash Risk","WARNING: Check CAM file Header for Z move. If it exists, remove it to prevent tool crash.")
return blocks
