86 lines
3.0 KiB
Python
Executable File
86 lines
3.0 KiB
Python
Executable File
import nc
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import iso_codes
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import emc2
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class CodesEMC2(iso_codes.Codes):
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def SPACE(self): return(' ')
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def TAP(self): return('G33.1')
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def TAP_DEPTH(self, format, depth): return(self.SPACE() + 'K' + (format % depth))
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# This version of COMMENT removes comments from the resultant GCode
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#def COMMENT(self,comment): return('')
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iso_codes.codes = CodesEMC2()
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class CreatorEMC2tap(emc2.CreatorEMC2):
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def init(self):
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iso.CreatorEMC2.init(self)
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# G33.1 tapping with EMC for now
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# unsynchronized (chuck) taps NIY (tap_mode = 1)
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def tap(self, x=None, y=None, z=None, zretract=None, depth=None, standoff=None, dwell_bottom=None, pitch=None, stoppos=None, spin_in=None, spin_out=None, tap_mode=None, direction=None):
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# mystery parameters:
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# zretract=None, dwell_bottom=None,pitch=None, stoppos=None, spin_in=None, spin_out=None):
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# I don't see how to map these to EMC Gcode
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if (standoff == None):
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# This is a bad thing. All the drilling cycles need a retraction (and starting) height.
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return
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if (z == None):
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return # We need a Z value as well. This input parameter represents the top of the hole
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if (pitch == None):
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return # We need a pitch value.
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if (direction == None):
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return # We need a direction value.
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if (tap_mode != 0):
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self.comment('only rigid tapping currently supported')
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return
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self.write_preps()
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self.write_blocknum()
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self.write_spindle()
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self.write('\n')
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# rapid to starting point; z first, then x,y iff given
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# Set the retraction point to the 'standoff' distance above the starting z height.
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retract_height = z + standoff
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# unsure if this is needed:
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if self.z != retract_height:
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self.rapid(z = retract_height)
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# then continue to x,y if given
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if (x != None) or (y != None):
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self.write_blocknum()
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self.write(iso_codes.codes.RAPID() )
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if (x != None):
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self.write(iso_codes.codes.X() + (self.fmt % x))
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self.x = x
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if (y != None):
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self.write(iso_codes.codes.Y() + (self.fmt % y))
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self.y = y
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self.write('\n')
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self.write_blocknum()
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self.write( iso_codes.codes.TAP() )
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self.write( iso_codes.codes.TAP_DEPTH(self.ffmt,pitch) + iso_codes.codes.SPACE() )
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self.write(iso_codes.codes.Z() + (self.fmt % (z - depth))) # This is the 'z' value for the bottom of the tap.
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self.write_misc()
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self.write('\n')
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self.z = retract_height # this cycle returns to the start position, so remember that as z value
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nc.creator = CreatorEMC2tap()
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