INTERNATIONAL STANDARD 3940 INTERNATIONAL ORGANIZATION FOR STANOAROIZATION MEXnYHAPORHAR OPrAHM3AUWl II0 CTAHiTAPTH3AUHA ORGANISATION INTERNATIONALE DE NORMAL~SATION Tapered die sinking cutters with p[.]
INTERNATIONAL STANDARD INTERNATIONAL ORGANIZATION Tapered Gi U DC STANOAROIZATION d i e-si n ki n g Fraises B matrices, Fi rst edition FOR - coniques, -MEXnYHAPORHAR OPrAHM3AUWl cu tters wi th II0 CTAHiTAPTH3AUHA.ORGANISATION paral l el 3940 INTERNATIONALE DE NORMAL~SATION sh an ks d queue cylindrique 977-06-l Ref No 621 91 4.2 IS0 3940-1 977 (E) k ol z Descri ptors : tool s, d i esi n ki n g cu tters, si n g l e an g l e cu tters, paral l el shanks, d i m en si on s II Pri ce based on pages FOREWORD IS0 (th e of i ntern ati onal n ati on al In ternati on al m em ber Draft i nterested ri g h t govern m en tal to to mem ber Stan d ard s by th e In tern ati on al l SO/TC 29, for (I S0 i s carri ed be represen ted Stan d ard s bod i es IS0 ou t th rou g h for wh ich on th at bod i es) IS0 ad opted tech ni cal comm i ttee th ei r work of comm i ttees comm i ttee In tern ati on al ISO, by the techn i cal before fed erati on d evel opi n g a techn i cal i n l i son wi th approval i s a worl dwi de Th e Every has been set org an i zati on s, al so take part i n th e work commi ttees acceptance as are ci rcu l ated In tern ati on al Cou n ci l Stan d ard Small Stan d ard i zati on ) m ember i n a subj ect for and n on -g overn m en tal , In tern ati on al th e i nsti tu tes Stan d ard s bod y up has th e Org an i zati on stan d ard s too/s, IS0 and 3940 was d evel oped was ci rcu l ated to th e by Tech n i cal m ember bod i es Com m i ttee in Novem ber 975 I t has been approved by th e mem ber Hu n g ary Sou th Au stri a In di a Sweden Bel giu m Israel Tu rkey Bul gari a I tal y Arab Korea, Rep of Mexi co Rom ani a m em ber bod i es on tech ni cal of the fol l owi ng coun tri es g roun d s : Czech osl ovaki a J apan Pol and I n tern ati on al Pri n ted Org an i zati on i n Swi tzerl an d for Afri ca, Uni ted Fran ce 9tan d ard i zati on 977 : Rep of Ki n g d om U.S.S.R Rep of G erm an y docum ent cou ntri es Au stral i a Eg ypt, Th e bodi es of th e fol l owi n g l expressed d i sapproval of th e INTERNATIONAL Tapered SCOPE AND Th i s d i e-si n ki n g FIELD I ntern ati on al tapered shan ks Th ese cutters obtai n i n g OF cu tters cu tters wi th APPLICATION Stan d ard d i e-si n ki ng fl atted IS0 STANDARD speci fi es wi th pl n paral l el Th ree th e d i men si ons paral l el or of paral l el types m ed i um and cu tters are l on g type stan d ard i zed i n j u n cti on are in of parti cu l ar m ou l ds, i nten d ed pattern s and for d i rectl y di es, : sh ort with type, th e usefu l l eng th Parall el shanks are i n accordance wi th cl earances (El sh an ks of type, 3940-1 977 IS0 3338/l an d II REFERENCES when IS0 these exceed 2” 52’ 3338/l , Parallel shanks for milling cutters - Part I : Dimensional characteristics of plain parallel shanks Th i s In tern ati on al bal l -nosed cu tters Stan d ard appl i es to fl at-en d cu tters an d IS0 33381 1 , Parallel shanks for milling cutters - Part II : Dimensional characteristics of parallel flatted shanks IS0 3940-1 977 (E) DIMENSIONS Fl at-en d 3.1 Bal l -n osed cu tters Sh ort type 3.2 Di m en si on s Sl ope’ in Med i u m cu tters type m i l l i m etres Di m en si on s ) Sl ope’ i n m i l l i m etres ) or h al f-m g l rt ) h al f-i kl ) Sl ope Sl ope (ezg I6 (+ 90 116 , r)l ) , , , )l ) or a -I I or 0”‘ ) 32 71 45 L l O" l , Sope l /l ( = ' I1 40 95 ) ) or -= ; Sl ope 501 ) 16 25 50 1110 1 201 or 20 32 63 40 “= 501 ) (6)” 40 95 12 45 05 12 16 50 09 1120 Sl ope (5~ 10 -= ; I) Sel ect 2) Tol eran ces on e 55 00 1 75 63 115 301 ) 16 i n paren theses of on th ese d2 two sh ou l d val u es to : h8 for pl n h6 for paral l el 20 56 I25 be avoi d ed d esi g n ate paral l el fl atted 20 163 11351 wh en ever possi bl e th e cu tter sh an ks; shanks (+ 10 : ::” 1; 1; ;; 16 25 90 60 20 25 00 70 wh en ever possi bl e 1120 Sl ope 20 Di m en si on s 2” , +) or ’ 80 2” 5, ‘ ) 1) or -=“2 @ Di m en si on s 3”‘ ) i n paren th esessh ou l d be avoi d ed IS0 3.3 3940-1 977 (E) Lon g type Di m en si on s in m i l l i m etres or or Di m en si on s 1) Sel ect on e 2) Tol erances i n paren th esessh ou l d of these on d two val u es be avoi d ed to : h8 for pl n h6 for paral l el d esi g nate paral l el fl atted wh en ever th e possi bl e cu tter sh an ks; sh anks