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Connecting 2 surfaces with different radii to make angled extrusion Cro 9.0.1.0

EH_8300888
2-Guest

Connecting 2 surfaces with different radii to make angled extrusion Cro 9.0.1.0

Im trying to make a part that had an angled end to it and each end is a different radius and ive been trying to figure out what to do I've looked up videos looked on here and nothing to help me so far this is probably a very easy problem to fix for someone who knows what they're doing so hopefully I can get some help on this ive attached a few pictures as well thanks. The diameter of the big circle is .308" and small one is .205" and the feature is 1.450" long

 

Surface Connection.JPG

 

Surface Connection 2.JPG

 

Surface Connection 3.JPG

 

 

ACCEPTED SOLUTION

Accepted Solutions
tbraxton
22-Sapphire I
(To:EH_8300888)

Watch this video for details on how to create the relation with trajpar.

========================================
Involute Development, LLC
Consulting Engineers
Specialists in Creo Parametric

View solution in original post

11 REPLIES 11
kdirth
20-Turquoise
(To:EH_8300888)

Looks like you may be close.  You do not show your tree, so I don't know how you created what you have.  Create a boundary blend between the two ends, merge the surfaces and solidify.

kdirth_0-1686847251589.png

 


There is always more to learn in Creo.

so ive got half of it to work but when I go to the other side it doesn't work again I'm not sure if I'm doing something wrong I assume I am since I can't get the whole thing to connect any advice? Thank you.Surface Connection 4.JPG

 

Surface Connection 5.JPG

 

kdirth
20-Turquoise
(To:EH_8300888)

You do not need a second direction for the boundary blend.  When selecting the chains for the first direction hold Shift to add the second side of the circle.

See Attached 7.0 model.

 


There is always more to learn in Creo.
tbraxton
22-Sapphire I
(To:EH_8300888)

See the enclosed Creo 7 model. Variable section sweep handles this nicely and is quite robust. There is a relation in the sweep section that defines the rate of taper from .308 to .205 diameter. Sketch 1 is used as the trajectory and the sweep section is constrained to the trajectory to get the desired geometry.

 

tbraxton_0-1686849022909.png

 

========================================
Involute Development, LLC
Consulting Engineers
Specialists in Creo Parametric

could you send me a picture of the sweep details so I can just see how you did it?

tbraxton
22-Sapphire I
(To:EH_8300888)

Are you not able to open the model I posted above? Are you using an educational license?

========================================
Involute Development, LLC
Consulting Engineers
Specialists in Creo Parametric
tbraxton
22-Sapphire I
(To:EH_8300888)

This is the "trick" in case you are not familiar with trajpar parameter used in relations. Trajpar is an internal parameter of the variable section sweep feature, the domain of trajpar is from 0-1 and is unitless.

 

tbraxton_1-1686850243648.png

 

 

 

 

========================================
Involute Development, LLC
Consulting Engineers
Specialists in Creo Parametric

I can't seem to get the right relation? ive never done this before so I'm new to basically everything your telling me but there's nothing for me to select when I get to that screenCapture.JPG

kdirth
20-Turquoise
(To:EH_8300888)

The relation is made while defining the sketch.


There is always more to learn in Creo.
tbraxton
22-Sapphire I
(To:EH_8300888)

Watch this video for details on how to create the relation with trajpar.

========================================
Involute Development, LLC
Consulting Engineers
Specialists in Creo Parametric

never mind I didn't see you attached the file thank you

 

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