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hoat ờ thc hin xy lanh m chõu kp va õy dao khụng mỳt vao... sung Tng chi phi cho lp t C cõu thay dao t ụng Cựng vi ụ tich dao c cõu thay dao t ụng giỳp cho vic thay dao c chinh xỏc va nhanh gon, nõng cao tinh t ụng húa Trong quỏ trỡnh gia cụng khi cõn chuyờn sang nguyờn cụng ct got khỏc cõn phai thay dao thỡ ta khụng phai dng mỏy ờ thay dao bng tay ma h thụng se t ụng thay dao theo chng trỡnh ta ó lõp trỡnh sn Cỏc thao tỏc thay ụi dung cu: 11 ụ an: Thiờt kờ... khỏc cõn phai thay dao thỡ ta khụng phai dng mỏy ờ thay dao bng tay ma h thụng se t ụng thay dao theo chng trỡnh ta ó lõp trỡnh sn u iờm so vi thao tỏc bng tay Rỳt ngn c thi gian ụi dung cu Trỏnh c li Trỏnh c rui ro tai nan Cú kha nng t ụng húa cõp ụ cao Nhc iờm Nhu cõu õu t bụ sung Tng chi phi cho lp t C cõu thay dao t ụng Cựng vi ụ tich dao c cõu thay dao t ụng giỳp cho vic thay dao c chinh... an: Thiờt kờ hờ thụng C iờn t GVHD: ThS Nguyn Thựy Dng C cõu thay dao t ụng Cựng vi ụ tich dao c cõu thay dao t ụng giỳp cho vic thay dao c chinh xỏc va nhanh gon, nõng cao tinh t ụng húa Trong quỏ trỡnh gia cụng khi cõn chuyờn sang nguy ờn cụng ct got khỏc cõn phai thay dao thỡ ta khụng phai dng mỏy ờ thay dao bng tay ma h thụng se t ụng thay dao theo chng trỡnh ta ó lõp trỡnh sn u iờm so vi thao tỏc... kich thc ai dao vi chuụi BT30 cỏc dung cu ct c lp ghep lờn cỏc ai dao Vi ng kinh ln nhõt cua ai dao la max=80mm Vi trong lng ln nhõt cua dao la 5kg Hỡnh : Chuụi dao BT30 2.2.2) Xac nh gục tinh toan cho h thụng thay dao ờ am bao cho quỏ trỡnh thay dao vi ụ an toan cao ta cõn phai xỏc nh mụt iờm chun cho h thụng thay dao ú la iờm trựng vi iờm gục cua truc chinh mỏy CNC trong quỏ trỡnh thay dao iờm nay... CHUNG Vấ Hấ THễNG THAY DAO T ễNG 2.1) GII THIU CHUNG 2.1.1) Gii thiu h thụng thay dao t ng Dựng ờ tich cha nhiu dao phuc vu cho quỏ trỡnh gia cụng Nh cú ụ tich dao ma mỏy CNC cú thờ thc hin c nhiu nguyờn cụng ct got khỏc nhau liờn tiờp vi nhiu loai dao ct khỏc nhau Do ú quỏ trỡnh gia cụng nhanh hn va mang tinh t ụng húa cao Cựng vi ụ tich dao c cõu thay dao t ụng giỳp cho vic thay dao c chinh xỏc va... kp dao La chon truc dn hng Tinh toỏn va la chon h thụng xy lanh khi nen dn ụng ai dao Kiờm tra ụ bn cho h thụng thay dao 2.3) Tinh toan h thụng thay dao 2.3.1) Tinh toan tang cha dao Cỏc thụng sụ õu vao ban õu : - Sụ lng dao N=16 Chuụi dao BT30 Khụi lng 1 con dao tụi a M=5kg ng kinh ln nhõt cua 1 con dao D=80mm - ng kinh cua truc chinh: max= 120 mm Hanh trỡnh cua truc chinh trong quỏ trỡnh vao thay. .. sang nguyờn cụng ct got khỏc cõn phai thay dao thỡ ta khụng phai dng mỏy ờ thay dao bng tay ma h thụng se t ụng thay dao theo chng trỡnh ta ó lõp trỡnh sn Yờu cu c bn i vi c cu thay dao t ng - ụ cha phai cú dung lng u ln Dung cu phai c gi trong ụ vi ụ tin cõy cao Thi giant hay thờ la it nhõt Dung cu phai c gi cht trong mỏy khi thay thờ t ụng Chuụi dao va ai giỏ dao phai c nh v chinh xỏc vao v tri lam... )c cu thay dao t ng ca mỏy CNC V_30 ca hóng LEADWELL a) gii thiu - bụ thay dao t ụng cua mỏy V-30 dựng ụ cha hỡnh tang trụng vi tõm quay thng ng, tụng sụ ai dao cú thờ cha 20/24 dung cu - Trong lng mi ai dao va dao m1 = 7-8 kg - dn ụng quay ai dao la ụng c : 5JK60GU-AWU cua ai Loan - dn ụng toan bụ ai dao bng mỏy nen khi thụng qua c cõu dn ụng trc tiờp bng xylanh khi nen phi 50 - c cõu thay dao t ụng... - cỏc dao gn trờn ai gỏ dao la cỏc dao tiờu chun cỏc chuụi dao la loai chuụi BT 40 - h thụng thay dao cua mỏy V-30 cú kich thc nh khụi lng khụng quỏ ln phự hp cho nhng trung tõm gia cụng trong san xuõt n chiờc va san xuõt loat nh cú kha nng linh hoat cao trong san xuõt D thay thờ dung cu bng ca 2 phng phỏp thay thờ bng tay va phng phỏp thay thờ t ụng -nhng kha nng cha dao la khụngln tụng sụ dao cha