In this Creo Parametric 4.0 tutorial, we will learn about the advance feature of 'Blend Tool'. This tool is quite similar to 'Loft' tool available in Autodesk Inventor and Solidworks software. Recently while creating the model of 'Engine Cylinder Head' I got a chance to utilize it. This tool is used when we want to create a solid by joining two or more closed profiles.
Video Transcription
- We want to create the following opening in our model. So for this, we will use the Blend Tool.
- Start a new sketch on this face of the model.
- Draw a sketch using dimensions and proper constraints in the following way.
- This is the sketch which we are going to create.
- Our sketch is complete and it is fixed at its position because there is no auto dimension left.
- Now exit from the sketching mode.
- Create another sketch on the same plane. We will use this only for reference purpose.
- Next, create a sketch on this face of the model.
- Take the reference of the previous edge to get the centre point and draw a circle of the specified dimension.
- Take the project of these lines so that we can get end point of line and arcs that we drew previously.
- Next, create four vertical centerlines at the endpoint of projected lines.
- With the help of 'Divide Tool' break the circle at the points where centerlines intersect it.
- Now, this circle has eight breakpoints which are similar to our rectangle consisting of fillets. This is necessary for creating our Blend Feature.
- Our sketch is complete exit so from the sketching mode.
- Start Blend Tool and activate selected section option.
- Click on remove material button and select the circle.
- Next, click on insert new section and select the rectangle.
- Switch to Tangency Tab and select Normal condition for the Start and End Section.
- Drag the start point of the second section to this end of the fillet to adjust the feature.
- Again verify the condition of the Start and End section is set to Normal.
- Click ok to execute the command.
- Hide the visibility of sketches.
- We can see the Blend tool has created a very smooth opening.
- Now we need to create another opening. For this, we will apply the same process. To shorten the length of the video now I will speed up next steps.
- Activate Reorient command and select Dynamic orient option.
- Spin the model by 180° along with Y direction using Center Axis and save the view with the name Custom.
- Create a sketch on this face of the model.
- This sketch is similar to the previous one but its distance from the edge is different and it is not aligned with the top circular edge.
- Exit from this sketch and create another on this face which will be only used for reference purpose.
- Start a new sketch face of the model and a circle of the specified dimension.
- Take the project of these lines of the previous sketches.
- Connect the midpoint of the projected line and centre of the circle with the help of centerline.
- Now draw four more parallel centre line at the endpoints of projected lines with this centre line.
- Now create eight breakpoints on this circle using 'Divide Tool' as we did earlier.
- We have created what we need, so exit from the sketching mode.
- Next, create another opening with the help of these sketches using the Blend tool.
- Now we will use two more set of openings using the pattern tool.
- Select these features from the Model Tree and select group command from the right click menu.
- Activate the Pattern command after selecting the Grouped features.
- Use direction to define pattern members.
- Define this edge for the direction reference and activate reverse the direction button.
- Specify the no of pattern members and spacing between them then execute the command.
- This is what we require and finally apply fillet over these edges.
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Visit the following link to get the model file…
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Visit the following link to watch basic tutorials on Creo Parametric by me
https://www.youtube.com/playlist?list=PLhloyISzAQksnPmtyZtncWCQJ3NpoX_SW
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To watch detailed tutorials on the same software visit the following link:--
https://www.youtube.com/playlist?list=PLKWX3xUP3pPorULULn8Q5BbDXqBjK_ZXD
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Hope all of you will enjoyed the tutorial. If you find the video useful please like it and share it with your friends/colleagues and do not forget to subscribe us to get latest updates about our new uploads.
http://www.youtube.com/user/nisheethsorjm?sub_confirmation=1
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