부품 작업대
소개
FreeCAD의 견고한 모델링 기능은 고급 3D 형상 생성 및 조작 기능을 갖춘 전문가급 CAD 시스템인 OpenCASCADE 기술(OCCT) 커널을 기반으로 합니다. 부품 작업대는 OCCT 라이브러리 상단에 있는 레이어로, 사용자가 OCCT 기하학적 기본 요소 및 기능에 접근할 수 있습니다. 기본적으로
설계제도 작업대,
스케치 작업대,
부품 작업대 등의 작업대의 모든 2D 및 3D 도면 기능은 부품 작업대에서 노출되는 이러한 기능을 기반으로 합니다.
부품 작업대와 부품설계 작업대에 대한 자세한 설명은 부품 그리고 부품설계에서 확인할 수 있습니다.
부품 작업대에서 만들어지는 모형들은 비교적 단순합니다; 이 작업대에서는 더 복잡한 형상을 만들기 위해 부울 연산(결합 및 잘라내기)을 사용하도록 고안되었습니다. 이러한 모델링 기법은 구성적 고체 기하학(Constructive Solid Geometry)(CSG) 작업 흐름으로 알려져 있으며 초기 CAD 시스템에서 사용되는 전통적인 방법론이었습니다. 반면, 부품설계 작업대에서는 형상을 만들어 나갈 때 보다 현대적인 방법으로 작업합니다: 이는 파라메트릭하게 정의된 스케치를 사용하여 돌출되어 기본 고체 몸통을 형성한 다음 최종 객체를 얻을 때까지 파라메트릭 변환(특징 편집)을 통해 수정됩니다.
Part objects are more complex than mesh objects created with the Mesh Workbench, as they permit more advanced operations like coherent boolean operations, modifications history, and parametric behaviour.
The Part Workbench is the basic layer that exposes the OCCT drawing functions to all workbenches in FreeCAD.
Tools
The tools are located in the Part menu.
Primitives
These are tools for creating primitive objects.
Box: Creates a box.
Cylinder: Creates a cylinder.
Sphere: Creates a sphere.
Cone: Creates a cone.
Torus: Creates a torus.
Tube: Creates a tube.
Create primitives...: A tool to create one of the following primitives:
Plane: Creates a plane.
Box: Creates a box. This object can also be created with the
Box tool.
Cylinder: Creates a cylinder. This object can also be created with the
Cylinder tool.
Cone: Creates a cone. This object can also be created with the
Cone tool.
Sphere: Creates a sphere. This object can also be created with the
Sphere tool.
Ellipsoid: Creates a ellipsoid.
Torus: Creates a torus. This object can also be created with the
Torus tool.
Prism: Creates a prism.
Wedge: Creates a wedge.
Helix: Creates a helix.
Spiral: Creates a spiral.
Circle: Creates a circular arc.
Ellipse: Creates an elliptical arc.
Point: Creates a point.
Line: Creates a line.
Regular polygon: Creates a regular polygon.
Shape builder...: Creates shapes from various primitives.
Creation and modification
These are tools for creating new and modifying existing objects.
Extrude: Extrudes planar faces.
Revolve: Creates a solid by revolving an object (not a solid) around an axis.
Mirror: Mirrors the selected object across a mirror plane.
Scale: Scales one or more shapes. introduced in version 1.0
Fillet: Fillets (rounds) edges of an object.
Chamfer: Chamfers edges of an object.
Make face from wires: Makes a face from a set of wires (contours).
Ruled Surface: Creates a ruled surface.
Loft: Lofts from one profile to another.
Sweep: Sweeps one or more profiles along a path.
Section: Creates a section by intersecting an object with a section plane.
Cross sections...: Creates one or more cross-sections through an object.
Thickness: Hollows out a solid.
Projection on surface: Projects a logo, text or any face, wire or edge onto a surface.
Attachment: Attaches an object to another object.
Boolean
These tools perform boolean operations.
Compound Tools:
Make compound: Creates a compound from the selected objects.
Explode Compound: Splits up compounds.
Compound Filter: Extracts the individual pieces from compounds.
Boolean: Performs boolean operations on objects.
Cut: Cuts (subtracts) one object from another.
Fuse: Fuses (unions) two or more objects.
Common: Extracts the common (intersection) part of two objects.
Splitting tools:
Boolean fragments: Creates all pieces obtained from Boolean operations.
Slice apart: Slices and splits an object by intersecting it with other objects.
Slice: Slices an object by intersecting it with other objects.
XOR: Removes space shared by an even number of objects.
Other tools
Import: Imports from *.IGES, *.STEP, or *.BREP files.
Export: Exports to *.IGES, *.STEP, or *.BREP files.
Box selection: Selects faces from a rectangular area.
Create shape from mesh: Creates a shape object from a mesh object.
Create points object from geometry: Creates a points object from a geometric object.
Convert to solid: Converts a shape object to a solid object.
Reverse shapes: Flips the normals of all faces of selected objects.
- Create a copy:
Create simple copy: Creates a simple copy of a selected object.
Create transformed copy: Creates a transformed copy of a selected object.
Create shape element copy: Creates a copy from an element (vertex, edge, face) of a selected object.
Refine shape: Cleans faces by removing unnecessary lines.
Check geometry: Checks the geometry of selected objects for errors.
Defeaturing: Removes features from an object.
Appearance: Determines the appearance of a whole object (color, transparency etc.).
Color per face: Assigns colors to individual faces of objects.
Obsolete tools
Measure
The Std Measure tool replaces the tools listed below. introduced in version 1.0
Measure Linear: Creates a linear measurement. Not available in version 1.0 and above.
Measure Angular: Creates an angular measurement. Not available in version 1.0 and above.
Measure Refresh: Updates all measurements. Not available in version 1.0 and above.
Clear All and View Measure Clear All: Clears all measurements. Not available in version 1.0 and above.
Toggle All and View Measure Toggle All: Shows or hides all measurements. Not available in version 1.0 and above.
Toggle 3D: Shows or hides 3D measurements. Not available in version 1.0 and above.
Toggle Delta: Shows or hides delta measurements. Not available in version 1.0 and above.
Preferences
Preferences: Preferences available for Part Tools (the Part workbench also uses the PartDesign Preferences).
Import Export Preferences: Preferences available for importing from and exporting to different file formats.
- Fine-tuning: Some extra parameters to fine-tune Part behavior.
Scripting
See Part scripting.
Tutorials
- Import from STL or OBJ: How to import STL/OBJ files in FreeCAD
- Export to STL or OBJ: How to export STL/OBJ files from FreeCAD
- Whiffle Ball tutorial: How to use the Part Workbench
- Primitives: Box, Cylinder, Sphere, Cone, Torus, Tube, Create primitives, Shape builder
- Creation and modification: Extrude, Revolve, Mirror, Scale, Fillet, Chamfer, Make face from wires, Ruled Surface, Loft, Sweep, Section, Cross sections, 3D Offset, 2D Offset, Thickness, Projection on surface, Attachment
- Boolean: Make compound, Explode Compound, Compound Filter, Boolean, Cut, Fuse, Common, Connect, Embed, Cutout, Boolean fragments, Slice apart, Slice, XOR
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