DesignSpark Mechanical: Nicer Thread (Rounded Root)
Автор: CinemaTablet Youtube
Загружено: 2016-02-17
Просмотров: 93891
External thread with rounded root. The end of the thread has a little slope cut. Solid 3D printable. Add shank, chamfer etc. easily if needed. READ MORE DOWN BELOW...
Info 2016/8: 5/8 Height, D1 basic minor to flat D major: 5/8 H x Pitch = 0,54127 x 3mm = 1,62381mm. 24M coarse pitch is 3mm. 20.752mm + 1,62381mm +1,62381mm = 23,99962mm is little bit more than needed. Start from 20.70 - 20,00 with the plastics. Perhaps best image and calculations clearly shown (also tolerances) I got the 20.752mm from some other table...than:
http://www.roymech.co.uk/Useful_Table...
H height = 0.86603 x Pitch.
Perhaps the rounded root is not necessary for 3D printing with these tiny dimensions.
Rest of the hex and and the tip of bolt design are not shown here.
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