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Fig. 11 - Possible cause: . II Hob hubs running out-out of phase (high with 10~1 2) Hob has weave error in lead, out of phase, from thread 10 thread TEETH APPEAR ,EaUAlLY SPACED AT THESE DIAMETERS r 1 ·1 1.1 ' . j GEA!A HAS INVOLUTE '. -'VARIATION-ON i CONSIECUTIIVE TEETH TWO THHEAD HOB 11~~'CUnIIN_GIEVEN NUMBER OF TEETH INVOLUTE I i ,I '" I '. I I I·; , ! I. 1I • I· '] t .> ~. I ~,~--!. ,1",1 I -1.--_.' ~-~-I'~ ", I ~.-- 'II,,' '~~- 1'1' '~'-t ,~., J 'J §§. til.' ,UNIFPRM ~.~. - ~TOOn! SPACING ~ l' 1-' ~_-:. POSSIBLE .-- ~-----.-, r , ,'.,.' •. - . .~... a -:C·-I-~·l---l- ~' :§§: ---+'T .' -- "_'1 -"~--I ~. -=l "I e' ..:.:L .'\:, -I '~I''I~: ~~~'l.·.!':~,! .~I·· , '. I 1,,' r' --., , . 'I ":, " f --~,,:,,, TOOTH TO TOOTH /; t-I"-- S'PACING _ I l-=:::t--f-.+--~_-+-i' -r J .'j _EQUAl. SPACING \ f ERROR PR()[)(JCED BY OOUBLE THREAD HOB \. ~INC) fN 000 NUt,!SEA ,Of' TEETH I Fig. 18 - Possible cause: 1) Hob hubls) funning out .. , ..' 2) Hob has weave error in lead out 01 phase, from thread 10 thread 44 <strong>Gear</strong> <strong>Technology</strong>
ALTERNATELY WIDE ANID NARROW FEED SCALLOPS DOUBLE THREAD HOB CUTIING ODD NUMBEiR OF TIEETH Fig. 19 'FEED SCALLOPS VARY INI PATTERNS OF THREE T,RIIPLE THREAD' HOB CUTIIING NUMiBER OF TIEETl-I NOT DIiVISIBLE BY THIREE (HUNTING TOOTH) POSSIBUE CAUSE- 1') HOB IHUB(S) RUNNING OUT 2) HOB HAS THREAD TO THREAD SPACING ERRORS POSSIBLE CAUS!E- 1) H:OB HUBS RUNNING OUT -IN PHASE (HIGH WITH HI:6H) 2) HOB HAS THREAD TO THREAD SPACING ERRORS Ma,vl.Ame1985 45
Page 1 and 2: Th',e Journal of Gear Manufa'ctu,ri
Page 3: Can, you I. answe'r' th,ese 2. lio,
Page 7 and 8: Photo by JennIfer Short This issue,
Page 9 and 10: Gear Tooth Scoring Design Considera
Page 11 and 12: occur when a critical total tempera
Page 13 and 14: I.Ḷ 500 300 i /' V / V / t- V t>
Page 15 and 16: Table 2 Pili I[ln teeth: 25 Pinion
Page 17 and 18: ! Gear 1 ~~~ .. J!EIL Autamatlic Ge
Page 19 and 20: IYII I' Here', die reatOII wby ,.,.
Page 21 and 22: Maag Gear Inspection Genter Model S
Page 23 and 24: in the direction that it acts as a.
Page 25 and 26: TABLE .3 TOOTH FORM FACTOR v 1 No .
Page 27 and 28: ț CNC Shaving Cutter Grinding Mach
Page 29 and 30: TABLE 5. UFE FACTOR Kl OF MOS2 FILL
Page 31 and 32: A new and beHer way to broach blind
Page 33 and 34: " ,ACl'UAL L[AII'jr '01' HELII - ,'
Page 35 and 36: where the check is made relative to
Page 37 and 38: o WOBBLE Fig. 7 - Analytical inspec
Page 39 and 40: AN INVOLUTE ClilECKII'IG F HIlER WI
Page 41 and 42: 1 I I ~" d c 1 o ~, o ! e oo o I ~
Page 43 and 44: I -.~ + ". 1 ' . ..- ___ . ,_,' .I~
Page 45: THO'1 HOB MOUNTING ERRORS MULTIPLE
Page 49 and 50: dueing that area (scallop) of the g
Page 51: ILLITRON'S, IMO,DEL 9400 CNC GEAR I

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