Part JoinEmbed/ru

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Верстак Part

Описание

Применение

1. Select the base object first, then the object to be embedded. The order of selection is important. It is enough to select one sub-shape of each object (e.g. faces).
2. There are several ways to invoke the tool:
   • Press the Embed object button.
   • Select the Part → Join → Embed object option from the menu.
3. A Part JoinFeature object is created, with Mode set to 'Embed'. Original objects are hidden, and the result of embedding is shown in the 3D view.

Свойства

Основные

• ДанныеBase: Reference to base object (the one the other object is to be embedded into). The object should be a single solid.
• ДанныеTool: Reference to tool object (the object to be embedded). The object can be a single solid, or a valid compound of solids.
• ДанныеMode: The mode of operation, equals 'Embed' (Changing that will transform the tool into another Part_JoinXXX). The value of 'bypass' can be used to temporarily disable the long computations (a compound of Base and Tool will be created, which is a fast operation).
• ДанныеRefine: Sets whether to apply Refine operation or not, to the final shape. The default value is determined by a 'Automatically refine shape after boolean operation' checkbox in PartDesign preferences. When Mode property is 'bypass', Refine is ignored (never applied).

Пример

1. Create a pipe by applying thickness to a cylinder:
   
2. Create another, smaller diameter pipe, and place it so that it pierces the wall of the first pipe:
   
3. Select the first pipe, then the second pipe (order of selection is important), and click the 'Embed object' option from the Join tools dropdown toolbar button.
   
4. Use some cross-section tool (Clipping plane, Arch Section Plane, Arch Cut Plane) to reveal internals. On the picture below, Arch Section Plane is used.
   

Алгоритм

Алгоритмы, лежащие в основе инструментов объединения, довольно просты, и понимание принципов их работы важно для правильного использования данных инструментов.

1. Base object is boolean-cut with Tool object. The resulting shape is a set (compound) of non-intersecting solids (typically, two).

2. The resulting compound is filtered: only the largest solid is kept.

3. That largest solid is boolean-fused with Tool object.

4. If Refine property is true, the resulting shape is refined.

Примечания

• If after step 1, the object remains in one piece, the result of Embed will be equivalent to union of Base and Tool, but taking longer to compute.
• Now, the tool will produce unexpected result, if a compound is supplied as Base. This may be changed in the future.
• Because the largest piece is determined by comparing volumes of pieces, the tool can only work with solids. This may be changed in the future.

Программирование

The Join tools can by used in macros and from the python console by using the following function:

JoinFeatures.makePartJoinFeature(name = 'Embed', mode = 'Embed')

• Creates an empty Embed feature (or other Join feature, depending on mode passed). The properties Base and Tool must be assigned explicitly, afterwards.
• Returns the newly created object.

Пример:

import JoinFeatures
j = JoinFeatures.makePartJoinFeature(name = 'Embed', mode = 'Embed' )
j.Base = FreeCADGui.Selection.getSelection()[0]
j.Tool = FreeCADGui.Selection.getSelection()[1]

The tool itself is implemented in Python, see /Mod/Part/JoinFeatures.py (Github link) under where FreeCAD is installed.

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Верстак Part

Part

• Примитивы: Куб(Параллелограмм), Конус, Цилиндр, Сфера, Тор, Полый цилиндр,Примитивы, Связующие формы

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• Создание и правка: Выдавливание, Построение фигуры вращения, Отражение, Скругление, Фаска, Создать плоскость из граней, Ruled Surface, Профиль, Sweep, Section, Cross sections, 3D Offset, 2D Offset, Создать полый объект, Projection on surface, Прикрепление

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• Булевы операции: Соединить, Разорвать связь, Compound Filter, Булевы операции, Cut, Fuse, Common, Connect, Embed, Cutout, Boolean fragments, Slice apart, Slice, XOR

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• Измерительные: Measure Linear, Measure Angular, Measure Refresh, Clear All, Toggle All, Toggle 3D, Toggle Delta

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• Другие инструменты: Импорт, Экспорт, Box selection, Shape from Mesh, Points from mesh, Преобразовать в твердое тело, Reverse shapes, Create simple copy, Create transformed copy, Create shape element copy, Refine shape, Check geometry, Defeaturing, Appearance, Set colors

Документация пользователя

• Начинающим
• Установка: Загрузка, Windows, Linux, Mac, Дополнительных компонентов, Docker, AppImage, Ubuntu Snap
• Базовая: О FreeCAD, Интерфейс, Навигация мыши, Методы выделения, Имя объекта, Настройки, Верстаки, Структура документа, Свойства, Помоги FreeCAD, Пожертвования

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• Помощь: Учебники, Видео учебники
• Верстаки: Std Base, Arch, Assembly, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework

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• Addons: Менеджер дополнений, Внешние верстаки, Cкрипты и макросы

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• Hubs: Уголок пользователя, Уголок опытных пользователей, Уголок разработчиков