3D Component Modelling: Model 3
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3D Component Modelling: Model 3

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Questions and Answers

Which tool is used to create a cut in a 3D model?

  • Fillet
  • Smart Dimension
  • Combine
  • Extruded Cut (correct)
  • The Radius for the rounded edges in the model is set to 14mm.

    False

    What setting needs to be adjusted to set the depth of the cut in the model?

    Depth

    To combine the bodies in the CAD software, use the ______ tool.

    <p>Combine</p> Signup and view all the answers

    Match the following CAD operations to their descriptions:

    <p>Extruded Cut = Cuts material away from a 3D object Fillet = Rounds off edges of a part Smart Dimension = Applies measurements to a sketch Edit Appearance = Changes the visual properties of a model</p> Signup and view all the answers

    Which of the following steps is NOT part of the sketching process?

    <p>Setting the depth for an extruded cut</p> Signup and view all the answers

    Viewing the model in Isometric view helps in understanding its three-dimensional structure.

    <p>True</p> Signup and view all the answers

    The distance from Face - 1 to Reference Plane - 1 is ______ mm.

    <p>41</p> Signup and view all the answers

    What is the first step in starting a project in SolidWorks?

    <p>Select Part from the Welcome dialog box</p> Signup and view all the answers

    The unit system used in the document properties is MMGS.

    <p>True</p> Signup and view all the answers

    What command is used to create a sketch on the Right Plane?

    <p>Extruded Boss/Base</p> Signup and view all the answers

    The default depth for the first extrusion is set to _____ mm.

    <p>82</p> Signup and view all the answers

    Match the following SolidWorks features with their functions:

    <p>Extruded Boss/Base = Creates a 3D solid from a 2D sketch Smart Dimension = Modifies dimensions of sketch entities Sketch Fillet = Creates rounded corners on sketch entities Reference Plane = Creates a new plane for sketching</p> Signup and view all the answers

    Which of these relations can be applied during sketching?

    <p>Equal</p> Signup and view all the answers

    In SolidWorks, you can only modify dimensions after creating the sketch.

    <p>False</p> Signup and view all the answers

    What feature is used to create a reference plane at a specified distance?

    <p>Plane</p> Signup and view all the answers

    What is the purpose of viewports in CAD software?

    <p>To visualize and manipulate the model from different angles.</p> Signup and view all the answers

    In CAD software, it is possible to only view the model in 2D.

    <p>False</p> Signup and view all the answers

    What is the significance of using a reference plane in 3D modeling?

    <p>Reference planes serve as a foundation for sketching and defining features in 3D space.</p> Signup and view all the answers

    The axis around which a rotation is centered is referred to as the ______.

    <p>pivot</p> Signup and view all the answers

    Match the following CAD tools to their functions:

    <p>Extrude = Transform a 2D shape into a 3D object Revolve = Create a 3D shape by rotating a 2D profile Fillet = Create a rounded edge between two surfaces Chamfer = Create a sloped edge at a corner or intersection</p> Signup and view all the answers

    Study Notes

    3D Component Modelling: Model 3

    • Aim: To create a 3D model of a custom-shaped component using a parametric modelling software.
    • Software: SOLIDWORKS
    • Requirements:
      • Parametric Modelling Software (Solidworks)
      • Computer System with specific requirements: 250GB hard disk, 8GB RAM, 4GHz processor, 2GB graphics card, Monitor, Keyboard, and Mouse
      • Laser printer or Plotter
    • Procedure:
      • Start SOLIDWORKS
      • Select Part to create a new document
      • Configure SOLIDWORKS options
        • System options > Sketch> Relations/Snaps > Check Automatic relations
        • Document Properties > Units > Unit system - MMGS (millimeter, gram, second) and Decimals - None
      • Extrude Boss/Base:
        • Select Right Plane for orientation
        • Draw the sketch as shown in Fig.A3.1 using Line, Rectangle, Circle, and Offset Entities.
        • Apply relations: F, Horizontal, Vertical, Collinear, and Equal.
        • Modify dimensions using Smart Dimension
        • Remove unwanted lines using Trim Entities
        • Create fillets (R12 and R14) as shown in Fig.A3.2
        • Exit Sketch
        • Set Depth to 82mm in Extrude PropertyManager
      • Rotate view to Isometric
      • Create a reference plane parallel to Face 1 at a distance of 41mm:
        • Select Plane tool
        • In Property Manager, select Face 1 as First Reference
        • Click Flip Offset and set offset distance to 41mm
      • Select Plane - 1 and orient it Normal to
      • Extrude Boss/Base on Plane - 1
        • Draw sketch as shown in Fig.A3.5 using Line and Sketch Fillet
        • Modify dimensions using Smart Dimension
        • Exit Sketch
        • Set Direction 1 to Mid Plane and Depth to 12mm in Extrude PropertyManager
      • Rotate view to Isometric
      • Create a cut-out using Extruded Cut:
        • Select Face-2 and orient it Normal to
        • Draw two circles as shown in Fig.A3.7 using Circle tool.
        • Modify dimensions using Smart Dimension
        • Exit Sketch
        • Set Depth to 106mm in Cut-Extrude PropertyManager
      • Rotate view to Isometric
      • Create fillets with a Radius of 12mm on edges 1, 2, 3, and 4.
      • Combine bodies using Combine tool
      • Dimension the model using Smart Dimension
      • Change appearance (colour) using Edit Appearance tool
      • Final result: The final model will be as shown in Fig.A3.9.

    3D Modeling Tools

    • Cut: A tool within 3D modeling software used to create an incision or opening within a model.
    • Depth: The setting that controls how far into the model the cut extends.
    • Combine Bodies: A tool used in CAD software to merge multiple individual bodies into a single, unified object.
    • Isometric View: Provides a three-dimensional perspective of the model, aiding in visualization and understanding of its spatial relationships.
    • Reference Plane: A flat surface used in 3D modeling as a reference point for creating features and dimensions.
    • Sketching Process: Involves creating 2D shapes and curves that form the foundation for 3D features.
    • SolidWorks: A prominent 3D CAD software known for its features and applications in product design.
    • Unit System: Refers to the measurement units (e.g., millimeters, inches) used within the software file.
    • Extrusion: A 3D modeling feature that extends a 2D shape along a specified direction to create a solid volume.
    • Relations: Constraints used in sketching to define relationships between geometric entities.
    • Viewport: Window within the CAD software that allows for viewing and interacting with the model from different angles.
    • Rotation Axis: The imaginary line about which an object rotates.

    SolidWorks

    • SolidWorks uses MMGS (Millimeters, Grams, Seconds) as its default unit system.
    • The Right Plane is a default plane in SolidWorks, which can be used to create a sketch by using the Sketch command.
    • You can apply relations during sketching to define constraints between geometric elements, establishing specific relationships between them.
    • By default, the depth for the first extrusion in SolidWorks is set to 10 mm.

    CAD Operations

    • Offset: A tool used to create a new entity parallel to an existing one.
    • Fillet: A tool to create rounded corners or edges, as in the provided example with a radius of 14 mm.
    • Mirroring: Involves creating a symmetrical copy of an existing object.

    General CAD Concepts

    • Reference Plane: Use in 3D modeling plays a critical role in creating features and establishing the spatial positioning of objects.
    • It is possible in CAD software to view the model in 2D, allowing you to explore the model from specific planar perspectives.
    • It is not necessary to create a sketch before applying a feature in SolidWorks.
    • The sketch process does not include "Modifying Dimensions after the sketch creation", as this is done after the design is complete.
    • The distance from Face -1 to Reference Plane - 1 can be directly measured within the software to obtain the precise value.
    • The first step in starting a project in SolidWorks is to create a new file.

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    Related Documents

    Practical Exam 1, Model 3 PDF
    Practical Exam 2, Model 4 PDF

    Description

    Test your skills in creating a custom 3D model using SOLIDWORKS. This quiz covers key procedures and settings needed for parametric modelling. Ensure you are familiar with the extrude boss/base operations and SOLIDWORKS configurations.

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