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# NX Version:NX 2412
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# Email:809262979@qq.com
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# python .py created by deepseek
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import math
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import NXOpen
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import NXOpen.CAM
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import NXOpen.Features
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import NXOpen.SIM
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# ----------------------------------------------
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# 初始化CAM Session
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# ----------------------------------------------
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def init_cam():
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session = NXOpen.Session.GetSession()
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session.ApplicationSwitchImmediate("UG_APP_MANUFACTURING")
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session.IsCamSessionInitialized()
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return session
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# ----------------------------------------------
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# 初始化CAM WorkPart
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# ----------------------------------------------
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def init_workpart(arg_session):
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workpart = arg_session.Parts.Work
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return workpart
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# ----------------------------------------------
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# 初始化GENERIC_MACHINE父级
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# ----------------------------------------------
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def init_parent_generic_machine(arg_workpart):
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temp_machine = arg_workpart.CAMSetup.CAMGroupCollection.FindObject("GENERIC_MACHINE")
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return temp_machine
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# ----------------------------------------------
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# 初始化GEOMETRY父级
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# ----------------------------------------------
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def init_parent_geometry(arg_workpart):
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temp_geometry = arg_workpart.CAMSetup.CAMGroupCollection.FindObject("GEOMETRY")
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return temp_geometry
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# ----------------------------------------------
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# 初始化方法组父级
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# ----------------------------------------------
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def init_parent_nc_method(arg_workpart):
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temp_method = arg_workpart.CAMSetup.CAMGroupCollection.FindObject("METHOD")
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return temp_method
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# ----------------------------------------------
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# 初始化方法组父级
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# ----------------------------------------------
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def init_parent_nc_program(arg_workpart):
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temp_nc_program = arg_workpart.CAMSetup.CAMGroupCollection.FindObject("NC_PROGRAM")
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return temp_nc_program
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# ----------------------------------------------
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# 初始化加工模板
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# ----------------------------------------------
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def init_template_name():
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temp_template_name="mill_contour"
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return temp_template_name
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# ----------------------------------------------
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# 初始化刀具
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# ----------------------------------------------
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def create_tool(arg_workpart,arg_machine,arg_template_name,arg_tool_name,arg_tool_diameter):
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#先用FindObject函数通过arg_tool_name查找刀具对象是否存在,
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#如果FindObject查找的对象不存在则创建
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#这里建议使用Try容错处理
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temp_tool = None
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try:
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#查找刀具对象
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temp_tool = arg_workpart.CAMSetup.CAMGroupCollection.FindObject(arg_tool_name)
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except Exception as e:
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#创建刀具对象
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tool_group = arg_workpart.CAMSetup.CAMGroupCollection.CreateToolWithUserName(arg_machine, arg_template_name, "MILL", NXOpen.CAM.NCGroupCollection.UseDefaultName.TrueValue, "MILL", "Mill")
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millToolBuilder = arg_workpart.CAMSetup.CAMGroupCollection.CreateMillToolBuilder(tool_group)
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#设定刀具半径
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millToolBuilder.TlDiameterBuilder.Value = arg_tool_diameter
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temp_tool = millToolBuilder.Commit()
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millToolBuilder.Destroy()
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return temp_tool
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# ----------------------------------------------
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# 初始化加工坐标系
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# ----------------------------------------------
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def create_mcs(arg_workpart,arg_geometry,arg_template_name,arg_mcs_name):
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#先用FindObject函数通过arg_mcs_name查找刀具对象是否存在,
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#如果FindObject查找的对象不存在则创建
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#这里建议使用Try容错处理
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temp_mcs=None
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try:
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#通过arg_mcs_name查找坐标系对象
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temp_mcs = arg_workpart.CAMSetup.CAMGroupCollection.FindObject(arg_mcs_name,NXOpen.CAM.CAMGroup.CAMGroupType.MachineCoordinateSystem)
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except Exception as e:#查找对象错误则转到创建mcs坐标系对象
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#创建mcs坐标系对象
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orient_geometry = arg_workpart.CAMSetup.CAMGroupCollection.CreateGeometryWithUserName(arg_geometry, arg_template_name, "MCS", NXOpen.CAM.NCGroupCollection.UseDefaultName.TrueValue, arg_mcs_name, "MCS")
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millOrientBuilder = arg_workpart.CAMSetup.CAMGroupCollection.CreateMillOrientGeomBuilder(orient_geometry)
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millOrientBuilder.GetCsysPurposeMode()
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millOrientBuilder.GetSpecialOutputMode()
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millOrientBuilder.GetToolAxisMode()
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unit1 = arg_workpart.UnitCollection.FindObject("MilliMeter")
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millOrientBuilder.GetLowerLimitMode()
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millOrientBuilder.TransferClearanceBuilder.SafeDistance = 10.0 #安全高度
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arg_workpart.Expressions.CreateSystemExpressionWithUnits("0", unit1)
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temp_mcs = millOrientBuilder.Commit()
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millOrientBuilder.Destroy()
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return temp_mcs
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# ----------------------------------------------
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# 创建几何体
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# ----------------------------------------------
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def create_cam_feature(arg_workpart,arg_mcs,arg_template_name):
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feature_geometry = arg_workpart.CAMSetup.CAMGroupCollection.CreateGeometryWithUserName(arg_mcs, arg_template_name, "WORKPIECE", NXOpen.CAM.NCGroupCollection.UseDefaultName.TrueValue, "WORKPIECE", "Workpiece")
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feature_mill_geom_builder = arg_workpart.CAMSetup.CAMGroupCollection.CreateMillGeomBuilder(feature_geometry)
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feature_mill_geom_builder.PartGeometry.InitializeData(False)
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geometrySetList = feature_mill_geom_builder.PartGeometry.GeometryList
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taggedObject = geometrySetList.FindItem(0)
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geometrySet = taggedObject
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partLoadStatus = arg_workpart.LoadThisPartFully()
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partLoadStatus.Dispose()
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selectionIntentRuleOptions = arg_workpart.ScRuleFactory.CreateRuleOptions()
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selectionIntentRuleOptions.SetSelectedFromInactive(False)
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bodies1 = [NXOpen.Body.Null] * 1
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body = arg_workpart.Bodies.FindObject("UNPARAMETERIZED_FEATURE(1)")
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bodies1[0] = body
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bodyDumbRule1 = arg_workpart.ScRuleFactory.CreateRuleBodyDumb(bodies1, True, selectionIntentRuleOptions)
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selectionIntentRuleOptions.Dispose()
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scCollector = geometrySet.ScCollector
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rules1 = [None] * 1
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rules1[0] = bodyDumbRule1
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scCollector.ReplaceRules(rules1, False)
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feature = feature_mill_geom_builder.Commit()
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feature_mill_geom_builder.Destroy()
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return feature,body
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# ----------------------------------------------
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# 创建毛坯
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# ----------------------------------------------
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def create_block_feature(arg_workpart,arg_cam_feature,arg_body):
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block_mill_geom_builder = arg_workpart.CAMSetup.CAMGroupCollection.CreateMillGeomBuilder(arg_cam_feature)
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block_mill_geom_builder.BlankGeometry.InitializeData(False)
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block_mill_geom_builder.BlankGeometry.GeometryList
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block_mill_geom_builder.BlankGeometry.BlankIpwMultipleSource.SetList
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block_mill_geom_builder.BlankGeometry.BlankDefinitionType = NXOpen.CAM.GeometryGroup.BlankDefinitionTypes.AutoBlock
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toolingBoxBuilder1 = arg_workpart.Features.ToolingFeatureCollection.CreateToolingBoxBuilder(NXOpen.Features.ToolingBox.Null)
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selections1 = [NXOpen.NXObject.Null] * 1
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selections1[0] = arg_body
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deselections1 = []
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toolingBoxBuilder1.SetSelectedOccurrences(selections1, deselections1)
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toolingBoxBuilder1.OffsetPositiveZ
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temp_block_geom = block_mill_geom_builder.Commit()
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block_mill_geom_builder.Destroy()
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millGeomBuilder3 = arg_workpart.CAMSetup.CAMGroupCollection.CreateMillGeomBuilder(temp_block_geom)
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block_feature = millGeomBuilder3.Commit()
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millGeomBuilder3.Destroy()
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return block_feature
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# ----------------------------------------------
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# 创建工序
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# ----------------------------------------------
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def cam_program(arg_workpart,arg_nc_program,arg_method,arg_tool,arg_feature,arg_template_name):
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operation = arg_workpart.CAMSetup.CAMOperationCollection.CreateWithUserName(nc_program, method, tool, block_feature, template_name, "CAVITY_MILL", NXOpen.CAM.OperationCollection.UseDefaultName.TrueValue, "CAVITY_MILL", "Cavity Mill")
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cavityMilling = operation
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cavityMillingBuilder = arg_workpart.CAMSetup.CAMOperationCollection.CreateCavityMillingBuilder(cavityMilling)
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cavityMillingBuilder.CutLevel.InitializeData()
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# 切削参数
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cavityMillingBuilder.CutLevel.GlobalDepthPerCut.DistanceBuilder.Value = 0.5
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cavityMillingBuilder.CutLevel.ApplyGlobalDepthPerCut()
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cavityMillingBuilder.CutPattern.CutPattern = NXOpen.CAM.CutPatternBuilder.Types.FollowPeriphery
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cavityMillingBuilder.CutParameters.PatternDirection = NXOpen.CAM.CutParametersPatternDirectionTypes.Inward
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cavityMillingBuilder.NonCuttingBuilder.TransferAvoidanceFromBuilder.ToolAxis = NXOpen.Direction.Null
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cavityMillingBuilder.NonCuttingBuilder.TransferAvoidanceGohomeBuilder.ToolAxis = NXOpen.Direction.Null
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cavityMillingBuilder.NonCuttingBuilder.EngageOpenAreaBuilder.Vector = NXOpen.Direction.Null
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cavityMillingBuilder.NonCuttingBuilder.ClearanceBuilder.AxisObject = NXOpen.Direction.Null
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cavityMillingBuilder.CutParameters.CutOrder = NXOpen.CAM.CutParametersCutOrderTypes.DepthFirst
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cavityMillingBuilder.CutParameters.PartStock.Value = 0.14999999999999999
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cavityMillingBuilder.FeedsBuilder.SpindleRpmBuilder.Value = 5000.0
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cavityMillingBuilder.NonCuttingBuilder.RetractAreaBuilder.Vector = NXOpen.Direction.Null
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cavityMillingBuilder.NonCuttingBuilder.RetractFinalBuilder.Vector = NXOpen.Direction.Null
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cavityMillingBuilder.FeedsBuilder.RecalculateData(NXOpen.CAM.FeedsBuilder.RecalculateBasedOn.SpindleSpeed)
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cavityMillingBuilder.NonCuttingBuilder.EngageOpenAreaBuilder.EngRetType = NXOpen.CAM.NcmPlanarEngRetBuilder.EngRetTypes.Linear
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nXObject6 = cavityMillingBuilder.Commit()
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objects1 = [NXOpen.CAM.CAMObject.Null] * 1
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cavityMilling2 = nXObject6
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objects1[0] = cavityMilling2
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arg_workpart.CAMSetup.GenerateToolPath(objects1)
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cavityMillingBuilder.Destroy()
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cavityMillingBuilder2 = arg_workpart.CAMSetup.CAMOperationCollection.CreateCavityMillingBuilder(cavityMilling2)
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isupdated2 = cavityMillingBuilder2.CutLevel.InitializeData()
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toolpath=cavityMillingBuilder2.Commit()
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cavityMillingBuilder2.Destroy()
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#显示刀路
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session.CAMSession.PathDisplay.ShowToolPath(toolpath)
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session.CAMSession.PathDisplay.Jump(False)
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if __name__ == '__main__':
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# ----------------------------------------------
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# tool_diameter变量为刀具直径,数值类型双精度
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# tool_name变量为刀具名字,根据tool_diameter生成
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# nc_program_name变量默认为字符串"NC_PROGRAM"
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# nc_method_name变量默认为"METHOD"
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# 四个变量必须生成
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# example:
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# tool_diameter=8.0
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# tool_name="8.0铣刀"
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# nc_program_name="NC_PROGRAM"
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# nc_method_name="METHOD"
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# mcs_name ="MCS"
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# ----------------------------------------------
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tool_name = None
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tool_diameter = None
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nc_program_name = None
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nc_method_name = None
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mcs_name = None
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session=init_cam()
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workpart=init_workpart(session)
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generic_machine=init_parent_generic_machine(workpart)
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geometry=init_parent_geometry(workpart)
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nc_program=init_parent_nc_program(workpart,nc_program_name)
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nc_method=init_parent_nc_method(workpart,nc_method_name)
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template_name=init_template_name()
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tool=create_tool(workpart,generic_machine,template_name,tool_name,tool_diameter)
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mcs=create_mcs(workpart,geometry,template_name,mcs_name)
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cam_feature,body=create_cam_feature(workpart,mcs,template_name)
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block_feature=create_block_feature(workpart,cam_feature,body)
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cam_program(workpart,nc_program,nc_method,tool,cam_feature,template_name)
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