# *************************************************************************** # * Copyright (c) 2023 edi * # * * # * This program is free software; you can redistribute it and/or modify * # * it under the terms of the GNU Lesser General Public License (LGPL) * # * as published by the Free Software Foundation; either version 2 of * # * the License, or (at your option) any later version. * # * for detail see the LICENCE text file. * # * * # * This program is distributed in the hope that it will be useful, * # * but WITHOUT ANY WARRANTY; without even the implied warranty of * # * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * # * GNU Library General Public License for more details. * # * * # * You should have received a copy of the GNU Library General Public * # * License along with this program; if not, write to the Free Software * # * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * # * USA * # * * # *************************************************************************** """Provides the TechDraw HoleShaftFit Task Dialog.""" __title__ = "TechDrawTools.TaskHoleShaftFit" __author__ = "edi" __url__ = "https://www.freecad.org" __version__ = "00.01" __date__ = "2023/02/07" from PySide.QtCore import QT_TRANSLATE_NOOP import FreeCAD as App import FreeCADGui as Gui from functools import partial import os class TaskHoleShaftFit: def __init__(self,sel): loose = QT_TRANSLATE_NOOP("TechDraw_HoleShaftFit", "loose fit") snug = QT_TRANSLATE_NOOP("TechDraw_HoleShaftFit", "snug fit") press = QT_TRANSLATE_NOOP("TechDraw_HoleShaftFit", "press fit") self.isHole = True self.sel = sel self.holeValues = [["h9","D10",loose],["h9","E9",loose],["h9","F8",loose],["h6","G7",loose], ["c11","H11",loose],["f7","H8",loose],["h6","H7",loose],["h7","H8",loose], ["k6","H7",snug],["n6","H7",snug],["r6","H7",press],["s6","H7",press], ["h6","K7",snug],["h6","N7",snug],["h6","R7",press],["h6","S7",press]] self.shaftValues = [["H11","c11",loose],["H8","f7",loose],["H7","h6",loose],["H8","h7",loose], ["D10","h9",loose],["E9","h9",loose],["F8","h9",loose],["G7","h6",loose], ["K7","h6",snug],["N7","h6",snug],["R7","h6",press],["S7","h6",press], ["H7","k6",snug],["H7","n6",snug],["H7","r6",press],["H7","s6",press]] self._uiPath = App.getHomePath() self._uiPath = os.path.join(self._uiPath, "Mod/TechDraw/TechDrawTools/Gui/TaskHoleShaftFit.ui") self.form = Gui.PySideUic.loadUi(self._uiPath) self.form.setWindowTitle(QT_TRANSLATE_NOOP("TechDraw_HoleShaftFit", "Hole / Shaft Fit ISO 286")) self.form.rbHoleBase.clicked.connect(partial(self.on_HoleShaftChanged,True)) self.form.rbShaftBase.clicked.connect(partial(self.on_HoleShaftChanged,False)) self.form.cbField.currentIndexChanged.connect(self.on_FieldChanged) def setHoleFields(self): '''set hole fields in the combo box''' for i in range(self.form.cbField.count()): self.form.cbField.removeItem(0) for value in self.holeValues: self.form.cbField.addItem(value[1]) self.form.lbBaseField.setText(' '+self.holeValues[0][0]+" /") self.form.lbFitType.setText(self.holeValues[0][2]) def setShaftFields(self): '''set shaft fields in the combo box''' for i in range(self.form.cbField.count()): self.form.cbField.removeItem(0) for value in self.shaftValues: self.form.cbField.addItem(value[1]) self.form.lbBaseField.setText(' '+self.shaftValues[0][0]+" /") self.form.lbFitType.setText(self.shaftValues[0][2]) def on_HoleShaftChanged(self,isHole): '''slot: change the used base fit hole/shaft''' if isHole: self.isHole = isHole self.setShaftFields() else: self.isHole = isHole self.setHoleFields() def on_FieldChanged(self): '''slot: change of the desired field''' currentIndex = self.form.cbField.currentIndex() if self.isHole: self.form.lbBaseField.setText(' '+self.shaftValues[currentIndex][0]+" /") self.form.lbFitType.setText(self.shaftValues[currentIndex][2]) else: self.form.lbBaseField.setText(' '+self.holeValues[currentIndex][0]+" /") self.form.lbFitType.setText(self.holeValues[currentIndex][2]) def accept(self): '''slot: OK pressed''' currentIndex = self.form.cbField.currentIndex() if self.isHole: selectedField = self.shaftValues[currentIndex][1] else: selectedField = self.holeValues[currentIndex][1] fieldChar = selectedField[0] quality = int(selectedField[1:]) dim = self.sel[0].Object value = dim.getRawValue() iso = ISO286() iso.calculate(value,fieldChar,quality) rangeValues = iso.getValues() mainFormat = dim.FormatSpec dim.FormatSpec = mainFormat+selectedField dim.EqualTolerance = False dim.FormatSpecOverTolerance = '(%+.3f)' dim.OverTolerance = rangeValues[0] dim.UnderTolerance = rangeValues[1] Gui.Control.closeDialog() def reject(self): return True class ISO286: '''This class represents a subset of the ISO 286 standard''' def getNominalRange(self,measureValue): '''return index of selected nominal range field, 0 < measureValue < 500 mm''' measureRanges = [0,3,6,10,14,18,24,30,40,50,65,80,100,120,140,160,180,200,225,250,280,315,355,400,450,500] index = 1 while measureValue > measureRanges[index]: index = index+1 return index-1 def getITValue(self,valueQuality,valueNominalRange): '''return IT-value (value of quality in micrometers)''' '''tables IT6 to IT11 from 0 to 500 mm''' IT6 = [6,8,9,11,11,13,13,16,16,19,19,22,22,25,25,25,29,29,29,32,32,36,36,40,40] IT7 = [10,12,15,18,18,21,21,25,25,30,30,35,35,40,40,40,46,46,46,52,52,57,57,63,63] IT8 = [14,18,22,27,27,33,33,39,39,46,46,54,54,63,63,63,72,72,72,81,81,89,89,97,97] IT9 = [25,30,36,43,43,52,52,62,62,74,74,87,87,100,100,100,115,115,115,130,130,140,140,155,155] IT10 = [40,48,58,70,70,84,84,100,100,120,120,140,140,160,160,160,185,185,185,210,210,230,230,250,250] IT11 = [60,75,90,110,110,130,130,160,160,190,190,220,220,250,250,250,290,290,290,320,320,360,360,400,400] qualityTable = [IT6,IT7,IT8,IT9,IT10,IT11] return qualityTable[valueQuality-6][valueNominalRange] def getFieldValue(self,fieldCharacter,valueNominalRange): '''return es or ES value of the field in micrometers''' cField = [-60,-70,-80,-95,-95,-110,-110,-120,-130,-140,-150,-170,-180,-200,-210,-230,-240,-260,-280,-300,-330,-360,-400,-440,-480] fField = [-6,-10,-13,-16,-16,-20,-20,-25,-25,-30,-30,-36,-36,-43,-43,-43,-50,-50,-50,-56,-56,-62,-62,-68,-68] gField = [-2,-4,-5,-6,-6,-7,-7,-9,-9,-10,-10,-12,-12,-14,-14,-14,-15,-15,-15,-17,-17,-18,-18,-20,-20] hField = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] kField = [6,9,10,12,12,15,15,18,18,21,21,25,25,28,28,28,33,33,33,36,36,40,40,45,45] nField = [10,16,19,23,23,28,28,33,33,39,39,45,45,52,52,60,60,66,66,73,73,80,80] rField = [16,23,28,34,34,41,41,50,50,60,62,73,76,88,90,93,106,109,113,126,130,144,150,166,172] sField = [20,27,32,39,39,48,48,59,59,72,78,93,101,117,125,133,151,159,169,190,202,226,244,272,292] DField = [60,78,98,120,120,149,149,180,180,220,220,260,260,305,305,305,355,355,355,400,400,440,440,480,480] EField = [39,50,61,75,75,92,92,112,112,134,134,159,159,185,185,185,215,215,215,240,240,265,265,290,290] FField = [20,28,35,43,43,53,53,64,64,76,76,90,90,106,106,106,122,122,122,137,137,151,151,165,165] GField = [12,16,20,24,24,28,28,34,34,40,40,47,47,54,54,54,61,61,61,69,69,75,75,83,83] HField = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0] KField = [0,3,5,6,6,6,6,7,7,9,9,10,10,12,12,12,13,13,13,16,16,17,17,18,18] NField = [-4,-4,-4,-5,-5,-7,-7,-8,-8,-9,-9,-10,-10,-12,-12,-12,-14,-14,-14,-14,-14,-16,-16,-17,-17] RField = [-10,-11,-13,-16,-16,-20,-20,-25,-25,-30,-32,-38,-41,-48,-50,-53,-60,-63,-67,-74,-78,-87,-93,-103,-109] SField = [-14,-15,-17,-21,-21,-27,-27,-34,-34,-42,-48,-58,-66,-77,-85,-93,-105,-113,-123,-138,-150,-169,-187,-209,-229] fieldDict = {'c':cField,'f':fField,'g':gField,'h':hField,'k':kField,'n':nField,'r':rField,'s':sField, 'D':DField,'E':EField,'F':FField,'G':GField,'H':HField,'K':KField,'N':NField,'R':RField,'S':SField} return fieldDict[fieldCharacter][valueNominalRange] def calculate(self,value,fieldChar,quality): '''calculate upper and lower field values''' self.nominalRange = self. getNominalRange(value) self.upperValue = self.getFieldValue(fieldChar,self.nominalRange) self.lowerValue = self.upperValue-self.getITValue(quality,self.nominalRange) if fieldChar == 'H': self.upperValue = -self.lowerValue self.lowerValue = 0 # hack to print zero tolerance value as (+0.000) if self.upperValue == 0: self.upperValue = 0.1 if self.lowerValue == 0: self.lowerValue = 0.1 def getValues(self): '''return range values in mm''' return (self.upperValue/1000,self.lowerValue/1000)