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MOt phla: Ulls kiCm tra 1 B oi6u kien bd mat: a) Chi6u ddy tdi 50 mm hay v6i c6ch dua s6ng sieu am veo tU ben trong A> SP6 Lam sach cac gd ghd E chAn b) Chigu ddy que 50 mm va kh6ng chi ridr A (nh6nh nhd) ot 'i' Y dLra s6ng sieu am vao tiJ ben trong A SP7 Lem sach c6c gd ghd E ch6n \, aD Mdt trong chiCu ddy nhinh nh6 tU 15 mm C6 thC ti6ir cln ben trong A Khong thC tiep cfn b6n trong A d6-n 100 mm Bd... ild ki6m tra ttr bOn trong dng f6c 1 r&2 h-5-' ffi lr6c gue 2 3 rmm : c6ctr : Odu fi hei 23 TCVN 6735 : 2000 Bing 7 - lldi ndi ifft len M6i han nhSnh: Ve phac MOc kidm tra I OiAu kiCn bd mat: sP7 LAm sach c6c ch6 gd chi tie't (vdy hdn) 6 chan B l Chr trdt A (nhanh, nhanh nhd hay nh6nh cut) It (i) t' P] (U) Nhanh dty tit l5 mm dan 50 mm Mat ngoAi nhenh C6 thd tia'p can Avi I Mat trong mlt trong Chi... duqc met tronq nao l,ltEiTtra ldtrrgfi JfErl ir i: TCVN 5735 :2000 Beng 8 - dft tin tt6i hin nhenh: l,t0c kiim tra Mdi ndi 2 d Oi6u kiCn bd mat: a) Mat trong A tidp Ve ph:rc chi can dudc SP6 Mai chan b) Kh6ng ti6p c6n atlrdc met t.ong nao SP7 ra6r B chi tiai A (nh6nh, nh6nh nhd hay nh6nh cut) sl Mdt trong Nh6nh dty tU 15 mm Qu6-t Ql ddn O, 1O-t i gOt khoang cech orrOcl MAt trong nhenh Quet P2 (0-1l2... trcn dLfdng gdc d6 c6 thd quan set atddc ving kidm tra cuc dai, vi didu d6 giop cho ngudi thrrc hi6n nhin rcn man hinh su tidp xoc giia ddu dd, vat kidm tra trong qu6 kinh qu6t N6u ving chdt md r6ng ra hay nhi6u nhi6u qu6 ngen cin vi6c xic dinh 16 rdng c5c xung phin xa tir gdn ddu dd d d6 nhay qu6l crtc tidu qui ttinh khuydt tat d tr6n, thi vtng kidm tra toirn bo sc atrjdc qu6t ldm hai phdn, d6 nh6y... NAoI TGVN 6735 : 2000 TrAn cdrc mdi Mn theo chu vi trong cec chi ti6t hinh trU, goc c0a chirm tia v6i mei phEng xuy6n tAm ddi theo tl6 siu trong vit liOu vA thay g v6i m6i ddu dd xi€n chi c6 m6t d6 sdu t?i d6 chDm tia gap khuydt tat xuyen tam H thtng g6c v6i bd mdt c0a n6 (xem hinh 2) 00 sau ney cong b gie hi gi6i han ddi v6i vong qu6t c0a chi6u dAy mdi han D6i v6i vi6-c kidm tra t6i han thi di6u cdn... dinh chung V6i mtrc kidm tra 1, 2, 3, viec dat dQ nhfy cho kidm tra mdi han phii ctrfic ct6-i chidu vdi ctrldng cong hi€u chinh bi€n cl6 khoAng c6ch (DAC) (xem phu luc K) v6i m6t chi ti6t th0 thich hdp c6 c6c 16 khoan tludng kinh 3 mm ttl m5t ben Outng cong phai drJdc hi6u chinh khi c6 sr, kh6c nhau v€ srr suy gi6m s6ng trong vit li€u vd di€u ki€n bd mdt c0a v6t ti6u cdn kidm tra vA chi tidt th& Vi6c... D5t dO nh6y nAy theo 10.2.2 vd 1 0.2.3 vi kidm tai cdc khoing thdi gian trong qu6 trinh kidm tra Ch0 thich c6 16 - c6c PhtJdng pheP ddt do nh6y kh6c c6 thd dudc sf dung khi chung atudc atdi chieu v6i cac chi tidt th0 khoan tv mat ben ta 3 mm 10.2.2 Ki6m tra kim to4i cd ben (af!|u dd thing) D6 nhqy quet phai c d{t cho kim loai co ban trong virng kh6ng c6 khuydt t6t sao cho xung phin xa dAy tht2 hidn thi . thd kidm tra TCVN 6735 :2000 thay 9.6.2 Phudng phip: Phuong ph6pki6mtra phii ld m6i trong cac phudng ph5p ghl trong phu luc J. ir tat /ung han chd trong vi6c kidm tra c6c mdi. mr?c kidm tra 3 Mr?c kidm tra 2lai dvac chia thanh hai mtrt nh6, m0c kidm tra 2A ciic mdi han d6 mai srn hoiin todn vd mfic kidm tra 28 cho c5c mdi hin kidm tra binh. thd quan set atddc ving kidm tra cuc dai, vi didu d6 giop cho ngudi thrrc hi6n nhin rcn man hinh su tidp xoc giia ddu dd, vat kidm tra trong qu6 kinh qu6t. N6u ving