How to Cut External Threads in Creo
How to Cut External Threads in Creo
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in this video we will learn how can we model a external Thread in Creo and too a completely dymanic model so we can have all UNF/UNC Threads in Single file, just put the Thread Size and regenerate..
Unified Screw Thread Sizes link:
http://www.amesweb.info/Screws/AsmeUn...
Profile & Farmulae Link:
https://en.wikipedia.org/wiki/Unified...
/* Put from below in creo/*DATAIF THREAD_SIZE == "10-32"MAJOR_DIA = 0.1900TPI = 32PITCH = 1/TPIENDIF
IF THREAD_SIZE == "1/4-32"MAJOR_DIA = 0.2500TPI = 32PITCH = 1/TPIENDIF
/*===INTERNAL THREAD/EXTERNAL THREAD (INCH)===*/
/*FARMULAETHREAD_H = (SQRT(3)*PITCH)/2MINOR_DIA = MAJOR_DIA - ((5*THREAD_H)/4)PITCH_DIA = MAJOR_DIA - ((3*THREAD_H)/4)
/*PATHd3 = 2*PITCHd4 = THREAD_Ld5=2.5*PITCHd6 = 0.6134*PITCH+.00393/*OUR PATH IS DEFINED
/*PROFILEd10 = THREAD_H/8d11 = (5*THREAD_H)/8d12 = PITCH/4d13 = 60 /*PUT Symitrical relation for angle, half anglr is 30d7 = PITCH
/*CHAMFERd15 = MAJOR_DIA-(1.8*PITCH)d16 = 48 /*Desired angled17 = pitch/4d18 = 1.25 * pitch
Unified Screw Thread Sizes link:
http://www.amesweb.info/Screws/AsmeUn...
Profile & Farmulae Link:
https://en.wikipedia.org/wiki/Unified...
/* Put from below in creo/*DATAIF THREAD_SIZE == "10-32"MAJOR_DIA = 0.1900TPI = 32PITCH = 1/TPIENDIF
IF THREAD_SIZE == "1/4-32"MAJOR_DIA = 0.2500TPI = 32PITCH = 1/TPIENDIF
/*===INTERNAL THREAD/EXTERNAL THREAD (INCH)===*/
/*FARMULAETHREAD_H = (SQRT(3)*PITCH)/2MINOR_DIA = MAJOR_DIA - ((5*THREAD_H)/4)PITCH_DIA = MAJOR_DIA - ((3*THREAD_H)/4)
/*PATHd3 = 2*PITCHd4 = THREAD_Ld5=2.5*PITCHd6 = 0.6134*PITCH+.00393/*OUR PATH IS DEFINED
/*PROFILEd10 = THREAD_H/8d11 = (5*THREAD_H)/8d12 = PITCH/4d13 = 60 /*PUT Symitrical relation for angle, half anglr is 30d7 = PITCH
/*CHAMFERd15 = MAJOR_DIA-(1.8*PITCH)d16 = 48 /*Desired angled17 = pitch/4d18 = 1.25 * pitch
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