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Full round fillet/ bullnose on cylinder

10 REPLIES 10
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Message 1 of 11
bcrowell
3154 Views, 10 Replies

Full round fillet/ bullnose on cylinder

Is there any way to place a full round or bullnose feature on the end of a cylinder without having to use any formulas or pay attention to dimensions similar to the three face selection of the full round fillet option?

 

Obviously you can take the diameter/2, but the three face selection of the full round fillet is quite simple, and if you didn't originally plan on having the full round it takes extra digging to come up with the right parameter to use.

INV Professional 2017 (Build: 142, Release: 2017RTM), Windows 10 Professional (64-bit), Intel Xeon E5-1620 3.5GHz CPU, 32GB RAM, NVIDIA Quadro K2200, Vault Basic 2017
10 REPLIES 10
Message 2 of 11
CCarreiras
in reply to: bcrowell

Hi!!

 

You can do this with the "PATCH" tool.

 

Below you can see the difference between the revolve method (left) and with the patch tool method (right).

 

bullnose.png

 

 

Regards.

 

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Regards.
CCarreiras
Message 3 of 11
JDMather
in reply to: bcrowell

You can get easy access to the Measure command while in the Fillet command.

 

Measure.png


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Message 4 of 11
bcrowell
in reply to: JDMather

The only problem with the measure command is that it won't update if the cylinder size changes, which is one thing I really like about the full round command (or looking up the parameter and dividing by 2 if need be).

INV Professional 2017 (Build: 142, Release: 2017RTM), Windows 10 Professional (64-bit), Intel Xeon E5-1620 3.5GHz CPU, 32GB RAM, NVIDIA Quadro K2200, Vault Basic 2017
Message 5 of 11
bcrowell
in reply to: CCarreiras

My boundary patch solutions look different than yours do- neither protrusion reaches an actual full round.

 

I don't have the weight option, either- is that in 2014?

INV Professional 2017 (Build: 142, Release: 2017RTM), Windows 10 Professional (64-bit), Intel Xeon E5-1620 3.5GHz CPU, 32GB RAM, NVIDIA Quadro K2200, Vault Basic 2017
Message 6 of 11
mpatchus
in reply to: bcrowell

Make the fillet dimension a parameter which equals CYL_DIA/2.

If the diameter changes, the fillet adjusts accordingly.

Mike Patchus - Lancaster SC

Inventor 2025 Beta


Alienware m17, Intel(R) Core(TM) i9-10980HK CPU @ 2.40GHz 3.10 GHz, Win 11, 64gb RAM, NVIDIA GeForce RTX 2080 Super

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Message 7 of 11
JDMather
in reply to: mpatchus


@mpatchus wrote:

Make the fillet dimension a parameter which equals CYL_DIA/2.

If the diameter changes, the fillet adjusts accordingly.


Wouldn't you first have to create a parameter CYL_DIA?

 

(if so, how does that solve the original problem description?)


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Message 8 of 11
mpatchus
in reply to: JDMather

Aye true JD... thats what I get for replying to a reply instead of reading the OP. 

Mike Patchus - Lancaster SC

Inventor 2025 Beta


Alienware m17, Intel(R) Core(TM) i9-10980HK CPU @ 2.40GHz 3.10 GHz, Win 11, 64gb RAM, NVIDIA GeForce RTX 2080 Super

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Message 9 of 11
CCarreiras
in reply to: bcrowell

Yes, only in 2014... 😞


Regards.
CCarreiras
Message 10 of 11
CCarreiras
in reply to: CCarreiras

Hi!

 

If you dont want to use parameters, you can do the sketch above:

 

 

1.png

- yellow line: projected geometry

- Center line perpendicular in the axis of the cilinder

- Arc perpendicular on both sides.

 

- Use Revolve.

 

Every time you change dimentions on the cylinder, the revolve rebuild accordingly...

 

Regards.

 

CarlosC

 

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Regards.
CCarreiras
Message 11 of 11
rdyson
in reply to: bcrowell

Create the sketch to revolve, when dim-ing the radius click the arrow to the right of the dim box and "show dimensions". Select the cylinder and its dim's should appear. Select the dia of the cylinder. It's "d" parameter will populate the dim box. You'll probably need to divide by 2.


PDSU 2016

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