
GENERAL DESCRIPTION Profile Design of Hob with Protuberance Symbols Formulas Module SP0 PrPO* raP0 haP0 hP0 6 9,43 – 2,4 8,85 16 7 11,00 – 2,8 10,30 19 SP0 SP0 = P · m 2 8 12,57 – 3,2 11,73 21 20° 9 14,14 – 3,6 13,17 24 q PrP0 10° haP0 = 1,4 · m + sin20° 10 15,70 – 4,0 14,61 26 12 18,85 – 4,8 17,52 32 hP0 raP0 = 0,4 · m 14 22,00 – 5,6 20,45 37 haP0 16 25,13 – 6,4 23,37 42 q = stock for grinding 18 28,27 – 7,2 26,30 47 aP0 20 31,42 – 8,0 29,23 52 *On request Design of module 6 to 7 Design of module 8 to 10 Design of module 12 and over 37