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The 1st pass of thread is too Deep.

hphanQ726A
Advocate

The 1st pass of thread is too Deep.

hphanQ726A
Advocate
Advocate

Hi everyone,

 

I have issue with the ID thread; the 1st pass od threading, it cuts too deep. Anyone has same issue as mine and how to fix it (don't want manually to fix the thread cycle on every time of threading).

I cannot share the file in here but only the picture of threading's parameter.

hphanQ726A_0-1721649172196.png

 

 

Thanks for help.

H.P

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seth.madore
Community Manager
Community Manager

Hmm. I know you'd prefer not to share the file, but this is unexpected behavior, seeing as you've specified a "First Pass Thread Depth" which doesn't appear to be observed. Could you replicate the issue in a sample file you could share, or share the file privately with me?
Would you be able to share your Fusion file privately?


File > Export > Save to local folder, and email it to me: seth DOT madore AT autodesk DOT com
Please reference this thread so I understand the context :slightly_smiling_face:


Seth Madore
Customer Advocacy Manager - Manufacturing
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hphanQ726A
Advocate
Advocate

@seth.madore ,

 

I created a different file with same situation. 

https://a360.co/46eotZg

 

Thanks for help

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seth.madore
Community Manager
Community Manager

Hmm. Actually, using some sketches to give us a sense of scale and reference, I'm not finding it to be incorrect. Here is your toolpath with a "First Pass" depth of .0042. As you can see in the attached image, it's only just a smidge past the .004" hash mark:

2024-07-22_13h09_08.png

Repeating this rather simple test with different values (from .001 to .005") does place the toolpath right on the corresponding hash mark.


Seth Madore
Customer Advocacy Manager - Manufacturing
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hphanQ726A
Advocate
Advocate

@seth.madore,

I've done many threading, but this time is my 1st getting stuck in it. I use variety values on it without luck. 

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seth.madore
Community Manager
Community Manager

I'm not following. Using your file along with the "ruler/scale" by way of a sketch, I'm seeing that your First Pass Depth is where it needs to be. What exactly are you seeing?


Seth Madore
Customer Advocacy Manager - Manufacturing
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ChrisDPCnc
Advocate
Advocate

@seth.madore looking at the ops first post picture the first cut is HUGE, I would guess they have set something else incorrectly, not first pass as suggested.

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a.laasW8M6T
Mentor
Mentor

It does look huge but I can replicate the "Issue" which just appears to be a graphical problem that goes away quickly(on my PC)

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seth.madore
Community Manager
Community Manager

Good catch, I didn't experience this on my PC.


Seth Madore
Customer Advocacy Manager - Manufacturing
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hphanQ726A
Advocate
Advocate

@ChrisDPCnc, if you have a chance, you can look at the file I share with you guys. I do set all the parameter on the tapping cycle are same as every single one I do. I don't know why it is weird looking at this time after I upgrade to new version of fusion 360.

I appreciate for any help.

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Fabbunny69
Advocate
Advocate

Hi, could there be a possibility that the plane of your section analysis is not exactly parallel to the thread representation?

Please take a look at my attached pic, I rotated the section analysis slightly and now the first cut looks very deep.

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