blendercam/scripts/addons/fabex/post_processors/emc2tap.py

106 wiersze
2.9 KiB
Python

from . import nc
from . import iso_codes
from . import emc2
class CodesEMC2(iso_codes.Codes):
def SPACE(self):
return " "
def TAP(self):
return "G33.1"
def TAP_DEPTH(self, format, depth):
return self.SPACE() + "K" + (format % depth)
# This version of COMMENT removes comments from the resultant GCode
# def COMMENT(self,comment): return('')
iso_codes.codes = CodesEMC2()
class CreatorEMC2tap(emc2.CreatorEMC2):
def init(self):
iso.CreatorEMC2.init(self)
# G33.1 tapping with EMC for now
# unsynchronized (chuck) taps NIY (tap_mode = 1)
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,
):
# mystery parameters:
# zretract=None, dwell_bottom=None,pitch=None, stoppos=None, spin_in=None, spin_out=None):
# I dont see how to map these to EMC Gcode
if standoff == None:
# This is a bad thing. All the drilling cycles need a retraction (and starting) height.
return
if z == None:
return # We need a Z value as well. This input parameter represents the top of the hole
if pitch == None:
return # We need a pitch value.
if direction == None:
return # We need a direction value.
if tap_mode != 0:
self.comment("only rigid tapping currently supported")
return
self.write_preps()
self.write_blocknum()
self.write_spindle()
self.write("\n")
# rapid to starting point; z first, then x,y iff given
# Set the retraction point to the 'standoff' distance above the starting z height.
retract_height = z + standoff
# unsure if this is needed:
if self.z != retract_height:
self.rapid(z=retract_height)
# then continue to x,y if given
if (x != None) or (y != None):
self.write_blocknum()
self.write(iso_codes.codes.RAPID())
if x != None:
self.write(iso_codes.codes.X() + (self.fmt % x))
self.x = x
if y != None:
self.write(iso_codes.codes.Y() + (self.fmt % y))
self.y = y
self.write("\n")
self.write_blocknum()
self.write(iso_codes.codes.TAP())
self.write(iso_codes.codes.TAP_DEPTH(self.ffmt, pitch) + iso_codes.codes.SPACE())
# This is the 'z' value for the bottom of the tap.
self.write(iso_codes.codes.Z() + (self.fmt % (z - depth)))
self.write_misc()
self.write("\n")
self.z = (
retract_height # this cycle returns to the start position, so remember that as z value
)
nc.creator = CreatorEMC2tap()