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By MarcusWolschon

March 19, 2017, 11:18 am

"threads" tab


Is there any documentation on what the "threads" tab is supposed to show and how to interpret the values?

I can select some common threads at the top.
For external threads I can see major and minor diameter, however with no unit. (I would estimate that it would be millimeter and I configured by HSMAdvisor to be metric.)
I can not see the thread angle. (Not all threads can be milled with a single point 30° cutter.)
I can not see anything that I would understand as a pitch distance to write a G31 command for milling that kind of thread.

For internal threads all that information is milling and the information shown is pure glibberish to me.

For people milling threads only ocassionally,
some chart like at
http://theoreticalmachinist.com/Threads_UnifiedImperial.aspx
would be helpfull here.

Answers:

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By Eldar Gerfanov

March 20, 2017, 9:34 am
Updated by: admin March 20, 2017, 9:35 am
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Hello,

Please check the attached screenshot.

Quote:
I can select some common threads at the top.
For external threads I can see major and minor diameter, however with no unit. (I would estimate that it would be millimeter and I configured by HSMAdvisor to be metric.)


At the top where you select the thread type you should see the in/mm drop down box. It governs the units on the Threads page.

Quote:
I can not see the thread angle. (Not all threads can be milled with a single point 30° cutter.)


All lister threads are 60 degree (30deg per side) included angle.

Quote:
I can not see anything that I would understand as a pitch distance to write a G31 command for milling that kind of thread.


Pitch is the very first line of text on the External Threads pane.

Quote:
For internal threads all that information is milling and the information shown is pure gibberish to me.


Sorry i could not understand why Internal threads is a problem.... IMO while External Threads definitions might be a problem for those, who are not familiar with them, Internal only shows a small amount of tapping-related info.

Quote:
For people milling threads only ocassionally,
some chart like at
http://theoreticalmachinist.com/Threads_UnifiedImperial.aspx
would be helpfull here.


I am going to come up with some sort of a reference drawing to put into that tab.

Thanks for the suggestion.

Best Regards.

Capture_threads.PNG Capture_threads.PNG

By Eldar Gerfanov

March 22, 2017, 11:30 pm
Updated by: admin March 25, 2017, 4:17 pm
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Hi Marcus,

This is the picture (see attachment) that i am going to attach to the Internal Threads tab.
I am sure it will be helpful in understanding whats going on.

I will roll out the update over the weekend after some more testing and polishing.

threads.png threads.png

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