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thread height calculation for V thread
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Posted by: arulthambi

09/13/2007, 08:07:07

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Dear sir,

Please let me know how to calculate thread height.

my requirement is M32*1.5 mm pitch.


for the above requirement, hoe to find thread height.

i will be thankful if you respond at earliest.


thanking you,
A.ArulThambi
INDIA.








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Re: thread height calculation for V thread
Re: thread height calculation for V thread -- arulthambi Post Reply Top of thread Forum
Posted by: randykimball

09/13/2007, 08:45:53

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Depth = the pitch X cos of 30

This gives the depth of sharp threads. Actual threads will be different accordingly to the radii at the root and crest.





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Re: Re: thread height calculation for V thread
Re: Re: thread height calculation for V thread -- randykimball Post Reply Top of thread Forum
Posted by: arulthambi

09/25/2007, 05:37:38

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Dear sir,
thanks for your reply. herewith i am attaching one JPEG file which contains thread datas. in that i have seen Hs = Basic height of External Thread = 0.61344 x P

Please let me know how he gas got the value (ie, 0.61344).

please reply at earliest

A.ArulThambi
MTAB
INDIA.


thread_data.JPG (32.2 KB)  






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Re: Re: Re: thread height calculation for V thread
Re: Re: Re: thread height calculation for V thread -- arulthambi Post Reply Top of thread Forum
Posted by: randykimball

09/25/2007, 12:49:10

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Pitch X the cos of 30 is the depth of sharp threads (point to point).

To figure for actual root and crest radii of your thread you must calculate the tangents of the radii you use into the formulas.





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