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Mechanical

Modified on

11 Sep 2024 07:16 pm

Creating USB Drive in CATIA V5: A Comprehensive Guide

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Skill-Lync

Welcome back to the CATIA Design Series! In this session, we will walk through how to design a USB drive using key tools in the Part Design Workbench. This exercise is perfect for those looking to enhance their 3D modeling skills and get comfortable with commands like Pad, Pocket, and Chamfer. 

If you have been following the previous blogs, feel free to use the shortcuts we created earlier to speed up your workflow.  

Now, let’s dive into building this USB drive model, one step at a time. 


Step 1: Creating the base block with pad command 

Time to lay the groundwork!  

Let’s create a solid block as the foundation for our USB drive using the Pad Command  

  1. Start a new part design by clicking on Part Design from your shortcut menu. 
  2. Create a point at the center, and start a Position Sketch on the YZ plane, using Point 1 as the origin. 

Now, we’ll draw the base rectangle: 

  1. Select the Centered Rectangle command and input the dimensions as shown in the reference image. 
  2. Use the Constraint Command to manually apply dimensions to the rectangle. 
  3. Exit the Sketcher Workbench and select the Pad Command from the Sketch-Based Features Toolbar

Set the Pad length to 6 mm and check the Mirrored Extent box to ensure that thickness is added equally on both sides of the rectangle. Click Preview to see the result, and then OK to complete the command. 


Step 2: Adding a reference plane  

Next, we’ll add a reference plane to build on top of our base. 

  1. From the Reference Elements Toolbar, select the Plane Command. 
  2. In the Plane Definition Window, choose Offset from Plane, and select the face of the pad as the reference. 
  3. Set the offset distance to 15mm and click Reverse Direction if needed. Preview, then click OK. 


Now you can see the reference plane hovering above the base in the graphics area. 


Step 3: Drawing a new sketch and creating a thin pad 

With the reference plane ready, let’s sketch on the pad and create a thin pad with precise dimensions. 

  1. Select the face of the pad and click on Position Sketch. 
  2. Using the Centered Rectangle Command, draw the rectangle as shown and apply the dimensions using the Constraint Command. 

Now, we’ll create a Thin Pad: 

  1. Select the Pad Command, and in the Pad Definition Window, change the First Limit Type to Up to Plane. 
  2. Select Plane 1 as the reference from the graphics area or the Specification Tree
  3. Check the Thick option and set the thickness to 2 mm
  4. Click Preview and then OK to complete the command.


Interactive Tip: If you want to explore an alternative, use Ctrl + Z to undo the last step and try using the Offset Command to adjust the sketch before applying the Pad Command again. 

Step 4: Creating grooves with pocket and mirror commands 

Now we will add grooves on the top pad. 

  1. Select the face of the pad, click on Position Sketch, and use the Rectangle Command to draw a rectangle above the H Direction Axis. 
  2. Apply dimensions and fully constrain the sketch. 

Exit the Sketcher and select the Pocket Command. Set the depth to 0.5mm, preview the pocket, and adjust the direction if necessary. 

To mirror the pocket feature: 

  1. Go to the Transformation Toolbar and select the Mirror Command. 
  2. Choose the XY plane as the mirroring element and select Pocket 1 as the object to mirror. 
  3. Preview the feature, then click OK to complete the command. 

Step 5: Smoothing edges with chamfer command 

With the grooves locked in, it’s all about finesse! Use the Chamfer Command to soften the edges and perfect your design. 

  1. Select the Chamfer Command from the Dress Up Features Toolbar. 
  2. Set the length to 4mm and the angle to 45°. 
  3. Select the edges at the back of the USB model and apply the chamfer. Click OK to complete the operation. 


Observe how the sharp corners are now flattened, making the model more realistic. 


Step 6: Adding another pocket feature 

Let’s add a pocket feature to the upper surface. 

  1. Select the top face of the pad, then click on Position Sketch
  2. Use the Centered Rectangle Command to draw a new rectangle, aligning it with the yellow axis for accuracy. Apply the dimensions. 
  3. Next, use the Pocket Command, set the depth to 1 mm, and complete the pocket. 

Quick Fix Tip: If you realize the pocket was created on the wrong face, you don’t need to delete it. Right-click on the relevant sketch in the Specification Tree, select Change Sketch Support, and update the reference to the correct face. The pocket will automatically move along with the sketch. 


Step 7: Finalizing with a fillet and thin pad 

For the last part of our design, we’ll apply an Edge Fillet and create a thin pad on the new pocket. 

  1. Select the Edge Fillet Command and apply a fillet with a 0.5 mm radius to smooth all the sharp edges. 
  2. Now, draw a new sketch on the pocket, using Line and Profile Commands to create the desired shape. Apply dimensions to fully constrain the sketch. 
  3. Select the Pad Command, and in the Pad Definition Window, enable the Thick option. Set the thin pad thickness to 0.3 mm and the Pad length to 0.5 mm


Wrapping up the design 

Congratulations! You’ve successfully designed a USB drive in CATIA V5. We have covered essential features like Pad, Pocket, Mirror, Chamfer, and Fillet - each a critical part of any product design process. 

Before you finish, don’t forget to save your work. You can also explore the Specification Tree to review how each feature and sketch is organized and make any final adjustments. 


What's Next? 

You have now mastered some of the most fundamental commands in Part Design.  

For your next challenge, try applying these techniques to a more complex model or modify the dimensions and features of this USB design to make it your own. 

This blog is part of our ongoing CATIA Design Series. If you missed the previous posts, check them out here

Would you like to have a more interactive experience going through the CATIA user interface? 

Skill-Lync has released a FREE comprehensive course covering CATIA in detail! Check it out here

Right from the user interface's fundamentals, menus and options, this course covers most aspects of the tool from a practical perspective. It even includes a certificate to add to your resume after completion! 

Check out our hands-on course today and add CATIA to your list of skills!  

Let’s get #IndustryReady together, one skill at a time! 

Start Course Now


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