Practical Exam 1, Model 3 PDF
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This document is a set of instructions for creating a 3D model using Solidworks. It provides step-by-step guidance, including the creation of various 2D and 3D components, dimensions and relations, and adjustments of the model for different views and shapes.
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## Ex.No.3. 3D COMPONENT MODELLING : MODEL – 3 ### Aim: To draw the given 3D drawing using 3D modelling commands in a parametric modelling software. ### Requirements: 1. Parametric modelling software (Solidworks) 2. Computer system with 250GB hard disk, 8 GB RAM, 4 GHz Processor, 2 GB Graphics C...
## Ex.No.3. 3D COMPONENT MODELLING : MODEL – 3 ### Aim: To draw the given 3D drawing using 3D modelling commands in a parametric modelling software. ### Requirements: 1. Parametric modelling software (Solidworks) 2. Computer system with 250GB hard disk, 8 GB RAM, 4 GHz Processor, 2 GB Graphics Card, Monitor, Keyboard and Mouse. 3. Laser printer or Plotter. ### Procedure: 1. Start SOLIDWORKS by clicking SOLIDWORKS 2020 in Windows Start Menu 2. Select **Part** from Welcome dialog box to open a new document. 3. Click **Options** (Standard toolbar) * System options >Sketch> Relations/Snaps >Check Automatic relations * Document Properties > Units > Unit system - MMGS (millimeter, gram, second) and Decimals - None 4. Click **Extruded Boss/Base** on the Features toolbar. 5. Select **Right Plane** from Graphics Area. The Orientation is changed normal to Right Plane. 6. Now the **Sketch** toolbar is displayed. Draw a sketch as shown in Fig.A3.1. Use **Line**, **Rectangle**, **Circle** and **Offset Entities**. 7. Wherever necessary, apply suitable relations such as **F**, **Horizontal**, **Vertical**, **Collinear** and **Equal**. 8. Modify the dimensions using **Smart Dimension**. Remove unwanted lines using **Trim Entities** 9. Create two fillets of radius R12 and R14 as shown in Fig.A3.2 using **Sketch Fillet** on the **Sketch** toolbar. Click Exit Sketch. 10. Now **Extrude PropertyManager** will be displayed. Set the **Depth** as 82mm. Click ** 11. Press SPACEBAR and select **Isometric** from the toolbar. 12. Now the model will be as shown in Fig.A3.3. 13. Create a reference plane parallel to and at a distance of 41mm from Face - 1. * Click **Plane** (Reference Geometry toolbar) or **Insert** > **Reference Geometry** > **Plane**. * In the Property Manager, select **Face 1** for **First Reference** * Click on **Flip offset** and set offset distance **41mm**. Click **Now** * **Reference Plane - 1** is created as shown in Fig.A3.4. 14. Select **Plane - 1**. Press SPACEBAR and select **Normal to** from the toolbar 15. Click **Extruded Boss/Base** on the **Features** toolbar. 16. Draw the sketch as shown in Fig.A3.5 on Plane -1 using **Line** and **Sketch Fillet** 17. Modify the dimensions using **Smart Dimension**. Click **Exit Sketch** 18. Now **Extrude PropertyManager** will be displayed. Select **Mid Plane** for Direction 1. Set the **Depth** as 12mm. Click. 19. Press SPACEBAR and select **Isometric** from the toolbar. 20. Now the model will be as shown in Fig.A3.6. 21. Select **Face-2**. Press SPACEBAR and select **Normal to** from the toolbar. 22. Click **Extruded Cut** on the **Features** toolbar. 23. Draw two **Circles** as shown in Fig.A3.7. 24. Modify the dimensions using **Smart Dimension**. Click **Exit Sketch** 25. Now **Cut-Extrude PropertyManager** will be displayed. Set the **Depth** as 106mm. Click 26. Press SPACEBAR and select **Isometric** from the toolbar. 27. Rotate the view as shown in Fig.A3.8. Press and Scroll the middle mouse button or press **Shift + Up arrow**. 28. Click **Fillet** on the **Features** toolbar. Select the edges 1, 2, 3 and 4. 29. Set the **Radius** as 12mm. Click. 30. Combine the bodies using **Combine** (Features toolbar) or **Insert** > **Features** > **Combine**. 31. Dimension the model using **Smart Dimension** 32. Change the appearance (colour) of the model by clicking **Edit Appearance** (Heads-up View toolbar). 33. The final model will be as shown in the Fig.A3.9. ### Result: The given 3D drawing is drawn using 3D modelling commands in a parametric modelling software. **Fig.A3.1** - This figure depicts a 2D drawing of a custom-shaped part. - It shows various dimensions: 36, 20, 12, 12, 106. - The part includes a rectangular shape with a cut-out in the middle, leaving a rounded shape at the top. **Fig.A3.2** - This figure shows the same 2D shape shown in Fig.A3.1. - It emphasizes the curved sections by highlighting them in gray. - Two radius values are labeled: R12 and R14. - Both of these sections are part of the rounded shape at the top of the part. **Fig.A3.3** - This figure is a 3D isometric view of the part from Fig.A3.1 and Fig.A3.2. - The part is rendered in a solid grey color. **Fig.A3.4** - This figure shows a different angle of the 3D model in a shaded view. - This angle features that top rounded shape. - The 3D sketch is based on Reference Plane - 1. - In addition, the figure shows that this plane is created at a distance of 41mm from Face - 1. **Fig.A3.5** - This figure shows a 2D drawing of a cut-out from the part. - This cut-out is used to create the shape in Fig 3.6. - The cut-out is 12mm wide and is a slight angle. **Fig.A3.6** - This figure shows the model after the cut-out is created. - Additionally, it depicts the new shape is created as a result of the cut-out. - The cut-out is labelled as Face - 2. **Fig.A3.7** - This figure is a 2D drawing of two circles that are drawn in the top section of the part to create a cut-out. **Figure.A3.8** - This figure shows the model with the two circles drawn in Fig.A3.7 as a cut-out in the model. - The cut-out is labeled as Edge - 2. **Fig.A3.9** - This figure shows the final detailed 3D model with all the features combined. - It shows various dimensions: 36, 12, 12, 12, 12, 82, 12, 12, 106. - It shows a cut-out in the front section and the top section with circular shapes. - It also shows various radius values: R12, R10, R14, and R22.