From ee2c684a9c57511a79074a6ee4e110ba02e47750 Mon Sep 17 00:00:00 2001 From: Marius Stanciu Date: Sun, 3 Feb 2019 00:11:17 +0200 Subject: [PATCH] - added a new postprocessor file named: 'probe_from_zmove' which allow probing to be done from z_move position on toolchange event --- README.md | 1 + postprocessors/probe_from_zmove.py | 211 +++++++++++++++++++++++++++++ 2 files changed, 212 insertions(+) create mode 100644 postprocessors/probe_from_zmove.py diff --git a/README.md b/README.md index 876357ef..264ebcd4 100644 --- a/README.md +++ b/README.md @@ -15,6 +15,7 @@ CAD program, and create G-Code for Isolation routing. - some GUI structure optimization's - added protection against entering float numbers with comma separator instead of decimal dot separator in key points of FlatCAM (not everywhere) - added a choice of plotting the kind of geometry for the CNC plot (all, travel and cut kind of geometries) in CNCJob Selected Tab +- added a new postprocessor file named: 'probe_from_zmove' which allow probing to be done from z_move position on toolchange event 1.02.2019 diff --git a/postprocessors/probe_from_zmove.py b/postprocessors/probe_from_zmove.py new file mode 100644 index 00000000..02491a29 --- /dev/null +++ b/postprocessors/probe_from_zmove.py @@ -0,0 +1,211 @@ +from FlatCAMPostProc import * + + +class default(FlatCAMPostProc): + + coordinate_format = "%.*f" + feedrate_format = '%.*f' + + def start_code(self, p): + units = ' ' + str(p['units']).lower() + coords_xy = p['toolchange_xy'] + gcode = '' + + xmin = '%.*f' % (p.coords_decimals, p['options']['xmin']) + xmax = '%.*f' % (p.coords_decimals, p['options']['xmax']) + ymin = '%.*f' % (p.coords_decimals, p['options']['ymin']) + ymax = '%.*f' % (p.coords_decimals, p['options']['ymax']) + + if str(p['options']['type']) == 'Geometry': + gcode += '(TOOL DIAMETER: ' + str(p['options']['tool_dia']) + units + ')\n' + + gcode += '(Feedrate: ' + str(p['feedrate']) + units + '/min' + ')\n' + + if str(p['options']['type']) == 'Geometry': + gcode += '(Feedrate_Z: ' + str(p['feedrate_z']) + units + '/min' + ')\n' + + gcode += '(Feedrate rapids ' + str(p['feedrate_rapid']) + units + '/min' + ')\n' + '\n' + gcode += '(Z_Cut: ' + str(p['z_cut']) + units + ')\n' + + if str(p['options']['type']) == 'Geometry': + if p['multidepth'] is True: + gcode += '(DepthPerCut: ' + str(p['depthpercut']) + units + ' <=>' + \ + str(math.ceil(abs(p['z_cut']) / p['depthpercut'])) + ' passes' + ')\n' + + gcode += '(Z_Move: ' + str(p['z_move']) + units + ')\n' + gcode += '(Z Toolchange: ' + str(p['toolchangez']) + units + ')\n' + + if coords_xy is not None: + gcode += '(X,Y Toolchange: ' + "%.4f, %.4f" % (coords_xy[0], coords_xy[1]) + units + ')\n' + else: + gcode += '(X,Y Toolchange: ' + "None" + units + ')\n' + + gcode += '(Z Start: ' + str(p['startz']) + units + ')\n' + gcode += '(Z End: ' + str(p['endz']) + units + ')\n' + gcode += '(Steps per circle: ' + str(p['steps_per_circle']) + ')\n' + + if str(p['options']['type']) == 'Excellon' or str(p['options']['type']) == 'Excellon Geometry': + gcode += '(Postprocessor Excellon: ' + str(p['pp_excellon_name']) + ')\n' + else: + gcode += '(Postprocessor Geometry: ' + str(p['pp_geometry_name']) + ')\n' + '\n' + + gcode += '(X range: ' + '{: >9s}'.format(xmin) + ' ... ' + '{: >9s}'.format(xmax) + ' ' + units + ')\n' + gcode += '(Y range: ' + '{: >9s}'.format(ymin) + ' ... ' + '{: >9s}'.format(ymax) + ' ' + units + ')\n\n' + + gcode += '(Spindle Speed: %s RPM)\n' % str(p['spindlespeed']) + + gcode += ('G20\n' if p.units.upper() == 'IN' else 'G21\n') + gcode += 'G90\n' + gcode += 'G94\n' + + return gcode + + def startz_code(self, p): + if p.startz is not None: + return 'G00 Z' + self.coordinate_format%(p.coords_decimals, p.startz) + else: + return '' + + def lift_code(self, p): + return 'G00 Z' + self.coordinate_format%(p.coords_decimals, p.z_move) + + def down_code(self, p): + return 'G01 Z' + self.coordinate_format%(p.coords_decimals, p.z_cut) + + def toolchange_code(self, p): + toolchangez = p.toolchangez + toolchangexy = p.toolchange_xy + f_plunge = p.f_plunge + gcode = '' + + if toolchangexy is not None: + toolchangex = toolchangexy[0] + toolchangey = toolchangexy[1] + + no_drills = 1 + + if int(p.tool) == 1 and p.startz is not None: + toolchangez = p.startz + + if p.units.upper() == 'MM': + toolC_formatted = format(p.toolC, '.2f') + else: + toolC_formatted = format(p.toolC, '.4f') + + if str(p['options']['type']) == 'Excellon': + for i in p['options']['Tools_in_use']: + if i[0] == p.tool: + no_drills = i[2] + + if toolchangexy is not None: + gcode = """G00 Z{toolchangez} +G00 X{toolchangex} Y{toolchangey} +T{tool} +M5 +M6 +(MSG, Change to Tool Dia = {toolC} ||| Total drills for tool T{tool} = {t_drills}) +M0 +""".format(toolchangex=self.coordinate_format % (p.coords_decimals, toolchangex), + toolchangey=self.coordinate_format % (p.coords_decimals, toolchangey), + toolchangez=self.coordinate_format % (p.coords_decimals, toolchangez), + tool=int(p.tool), + t_drills=no_drills, + toolC=toolC_formatted) + + gcode += '\n(MSG, Probing from Z_Move = ' + \ + self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n' + gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n' + gcode += 'M0' + else: + gcode = """G00 Z{toolchangez} +T{tool} +M5 +M6 +(MSG, Change to Tool Dia = {toolC} ||| Total drills for tool T{tool} = {t_drills}) +M0""".format(toolchangez=self.coordinate_format % (p.coords_decimals, toolchangez), + tool=int(p.tool), + t_drills=no_drills, + toolC=toolC_formatted) + gcode += '\n(MSG, Probing from Z_Move = ' + \ + self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n' + gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n' + gcode += 'M0' + + if f_plunge is True: + gcode += '\nG00 Z%.*f' % (p.coords_decimals, p.z_move) + return gcode + + else: + if toolchangexy is not None: + gcode = """G00 Z{toolchangez} +G00 X{toolchangex} Y{toolchangey} +T{tool} +M5 +M6 +(MSG, Change to Tool Dia = {toolC}) +M0""".format(toolchangex=self.coordinate_format % (p.coords_decimals, toolchangex), + toolchangey=self.coordinate_format % (p.coords_decimals, toolchangey), + toolchangez=self.coordinate_format % (p.coords_decimals, toolchangez), + tool=int(p.tool), + toolC=toolC_formatted) + gcode += '\n(MSG, Probing from Z_Move = ' + \ + self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n' + gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n' + gcode += 'M0' + else: + gcode = """G00 Z{toolchangez} +T{tool} +M5 +M6 +(MSG, Change to Tool Dia = {toolC}) +M0""".format(toolchangez=self.coordinate_format%(p.coords_decimals, toolchangez), + tool=int(p.tool), + toolC=toolC_formatted) + gcode += '\n(MSG, Probing from Z_Move = ' + \ + self.coordinate_format % (p.coords_decimals, p.z_move) + ')\n' + gcode += 'G00 Z' + self.coordinate_format % (p.coords_decimals, p.z_move) + '\n' + gcode += 'M0' + + if f_plunge is True: + gcode += '\nG00 Z%.*f' % (p.coords_decimals, p.z_move) + return gcode + + def up_to_zero_code(self, p): + return 'G01 Z0' + + def position_code(self, p): + return ('X' + self.coordinate_format + ' Y' + self.coordinate_format) % \ + (p.coords_decimals, p.x, p.coords_decimals, p.y) + + def rapid_code(self, p): + return ('G00 ' + self.position_code(p)).format(**p) + + def linear_code(self, p): + return ('G01 ' + self.position_code(p)).format(**p) + + def end_code(self, p): + coords_xy = p['toolchange_xy'] + gcode = ('G00 Z' + self.feedrate_format %(p.fr_decimals, p.endz) + "\n") + + if coords_xy is not None: + gcode += 'G00 X{x} Y{y}'.format(x=coords_xy[0], y=coords_xy[1]) + "\n" + return gcode + + def feedrate_code(self, p): + return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate)) + + def feedrate_z_code(self, p): + return 'G01 F' + str(self.feedrate_format %(p.fr_decimals, p.feedrate_z)) + + def spindle_code(self, p): + if p.spindlespeed: + return 'M03 S' + str(p.spindlespeed) + else: + return 'M03' + + def dwell_code(self, p): + if p.dwelltime: + return 'G4 P' + str(p.dwelltime) + + def spindle_stop_code(self,p): + return 'M05'