threaded hole, drill size not good

threaded hole, drill size not good

thebrown.ml
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threaded hole, drill size not good

thebrown.ml
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Hello, I just model a single threaded hole in a shaft and the drill size for the thread is not good. 1.33 is for the 1-1/2- 6 UNC but my threaded size is 1-1/2 - 16UNF.  I should have 1.42. The size parameter is not accesible from the hole command. I can modify by the parameter tool only. What I'm doing wrong? What is the logic behind this? 

 

I tried with others tap size and the drill size remain the same betwen each pitch size!

 
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HughesTooling
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The problem is the dialog doesn't update when you change the pitch. The hole that's created will have the correct minor diameter (mid limit). 

 

Mark

Mark Hughes
Owner, Hughes Tooling
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thebrown.ml
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Is it possible to update the dialog box? When I select an threaded hole size, this is always the coarse pitch first. So, everytime I need an other pitch size I need to enter the parameter tool to update the drill size?

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HughesTooling
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Consultant

The problem with the dialog has come up a few times but I hadn't notice the size in the parameter manager is also wrong! @jeff_strater  Has this bug been logged?

 

@thebrown.ml  Do you need to change the size listed in the parameter manager? The size of the hole created in the model is correct, is the hole call out in a 2d drawing correct?

 

Although the dialog and parameter manager are wrong the hole in the model is correct. Are you using the parameter as a reference somehhere?

image.png

 

Mark

Mark Hughes
Owner, Hughes Tooling
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thebrown.ml
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The hole call out in 2d drawing is not correct with my tests but as you said in the 3D model everything is fine!

 

To change the hole call out, I changed the hole size in the parameter tool and this is OK! I could also just overwrite the hole call out text.