Thuyet Minh Nhom 02

7/25/2019 Thuyet Minh Nhom 02

1/68

AMH Cong Nghe Che Tao May Cong Nghe Che Tao May GVHD: Huynh Ngoc HiepHuynh Ngoc Hiep

LI NOI AULI NOI AU

o an mon hoc Cong Nghe Che Tao May la ket

qua sau cung cua nhieu mon hoc nh Cong nghe chetao may! "ia cong kim loai! # $%ua &o an nay giu' chosinh (ien lam quen ()i nh*ng qui t+,nh cong nghe thcte t+)c khi lam luan (a-n tot nghie'$

N)c ta hien nay &ang t+ong qua t+,nh 'hat t+ie.n! nhucau (e san 'ha.m c) kh/ +at l)n$ Nhng ()i t,nh t+angcong nghe lac hau 0a1n &en san 2uat khong &u! chat

l)ng che tao kem! san 2uat khong co hieu qua (,(ay 'hai a' 0ung cong nghe m)i &e. ta-ng na-ng suat (a chat l)ng $

V!H: NHOM " !#$ng 1


2/68


Cho1 yeu cua qua t+,nh cong nghe hien nay la (iect/nh toan cu the. cho tng nguyen cong cha &)c &ay &u$3, (ay! Chung em se* thc hien (iec thiet ke qui

t+,nh cong nghe gia cong cho mot san 'ha.m c) kh/ la cang gat ()i hy (ong se* kha4c 'huc &)c nh*ng cho1con thieu sot hien nay$

Mot san 'ha.m co the. co nhieu 'h)ng an congnghe khac nhau$ 3iec thiet la' quy t+,nh cong nghe giacong con la s so sanh la chon &e. t,m +a mot 'h)ng

an cong nghe h)' ly nha5m &am 6ao nh*ng yeu cau(e &ieu kien san 2uat! chat l)ng! gia thanh! th)i gian gia cong cho san 'ha.m # $ Nha5m &a' ng nhu cau

2a* hoi$

Ma7t 0u +at co ga4ng! nhng (, kien thc! kinhnghiem # cho nen t+ong qua t+,nh tien hanh lam &o an

chung em khong the. t+anh khoi nh*ng thieu sot! sai 'ham$ Chung em k/nh mong %uy Thay Co ch8 6ao them&e. chung em co them nhieu kinh nghiem (a kien thclam hanh t+ang (ao &)i$

Nhom sinh(ien thc hien

Nguye%n Hung Vy&' "((("))* Le+ AnhVu& ' "((("),- Vo&V$.n /01ng ' "(((("2)

V!H: NHOM " !#$ng 2


3/68


/h01ng I : 3A/ 4NH DA5NG A6N 3UA7!3A/ 4NH DA5NG A6N 3UA7!

*'*' $8n 901ng che ;$o: San lng chi tiet can che tao trong mot nam cua nha may: Theo [4, trang !, co"ng thc # $%&' :

( ) ( *$m$#% +100 &$#% +

100 & , chiec nam $

Trong -o :

( * )%**** : So .an /ha0m trong mot nam theo 1e hoach $m )% chiec : So lng chi tiet nh nhau trong mot .an /ha0m $

)%23 :So /han tram tr5 cho chi tiet may noi tre"nanh lam /hu tung $

) 43 : So /han tram chi tiet /he /ha0m trong 6ua tr7nhche tao$

( ) %****$%$#% +15

100 &$#% +4

100 & ) %%89* #chiec nam&$ *'"'


4/68


The0 t?ch: @ ) *$*A4 m!

Ty trong gang Bam :C,A 1g m!

Dhoi lng chi tiet : E ) C,AB*$*A4 ) *$92 1g*',' D$ng =$8n >u$ ; ?$ @$ c ;#0ng: Fa theo .an lng chi tiet -a5 cho ;a 1hoi lng chi tiet, tra

[4, trang 4, ang $%' ta Bac -Gnh gan -ung ang .an Buatla loat ;a $

Huc -?ch cua ;iec Bac -Gnh ang .an Buat la -e0 Bac -Gnhh/ ly -ng loi, ien /ha/ co"ng nghe ;a to0 chc .anBuat -e0 tao ra .an /ha0m -at cac chI tie"u 1inh te= 1y5thuat$

JaKc trng ang .an Buat nay la co t?nh o0n -Gnh ;a laK/ lai,. ung may ;an nang=trang G co"ng nghe chuye"n ung

#-o ga chuye"n ung& ;a thanh la/ 6ui tr7nh co"ng nghemot cach tI mI mi -em lai hieu 6ua 1inh te=1y5 thuat '

V!H: NHOM " !#$ng 4


5/68


/h01ng II: BHACN ! /H /HI !IE7! GIA /OCNGBHACN ! /H /HI !IE7! GIA /OCNG

"'*' /o+ng Fung: Lang gat -c ung trong ho/ toc -o#hay -c . ung

trong may et Jay& $ Jieu 1ien lam ;iec 7nh thng $"'"' /$ c ye+u c$ u y& ;hu$;: Lac goc ln an 1?nh M! $

Lac 1?ch thc 1ho"ng ghi che tao theo ca/ ch?nh Bac NT%4,O%4, h%4$


6/68



7/68


/h01ng III : /HO5N DA5NG BHOCI VA BH NG BHAB /HE7: /HO5N DA5NG BHOCI VA BH NG BHAB /HE7!A5O BHOCI!A5O BHOCI

,'*' /hon F$ng pho+i:

V!H: NHOM " !#$ng 7


8/68


= (oi chung co rat nhieu /hng /ha/ tao /ho"i nh -uc,ren, a/, canQ tuy ;ao trng h/ cu the0 ma conh5ng /hng /ha/ tao /ho"i h/ ly -e0 -am ao cacye"u cau 1y5 thuat cua chi tiet$

= Joi ;i chi tiet ta -ang gia co"ng tre"n ;i nh5ng ye"ucau 1y5 thuat nh .au:

+ @at lieu la gang Bam E %=4*$ + Fang .an Buat hang loat ;a$ Fo -o ta chon /ho"i la ang /ho"i -uc ;a:

+ @e c t?nh : gang la ;at lieu co -o en 1eo tha/,-o on cao, eP ang tao ;et nt 1hi chui lc tac-ong ln o -o 1ho"ng the0 che tao /ho"i a ng cac/hng /ha/ ren, a/, can Q$

+ @e co"ng nghe: gang co nhiet -o chay tha/, -ochay loa5ng cao o -o thuan tien cho ;iec -uc$

,'"' /hon ph01ng ph$ p che ;$o pho+i:

La/ ch?nh Bac che tao /ho"i trong .an Buat hang loat: ca/ N$ La/ ch?nh Bac N ng ;i /ho"i -uc trong 1huo"n cat, maPu 1im

loai, lam 1huo"n a ng may ;a -c B ly e maKt 1huo"ntot # ung the"m mot .o chat lam ong e maKt ;a mot.o ien /ha/ B ly 1huo"n&$ Yoai /ho"i nay co ca/ ch?nhBac 1?ch thc NT%4=NT%2, .an Buat loat ;a, -o nham MR )

4* m$ Tra [%, trang %C!, ang != ' ta/ %, ta co .an lng hang nam

!*** !2*** chi tiet$ ,',' !#$ 901ng F0 gi$ co+ng c1 cho c$ c e $ ; cu8$ pho+i: Tra cac ang t !=! -en !=%2 theo [%' ta/ % ta co: Sai lech cho /he/ 1?ch thc chi tiet -uc #ch?nh Bac ca/ N &

#mm&: =D?ch thc anh nghZa: * 2* : *$!

V!H: NHOM " !#$ng 8


9/68


2* % * : *$4

% * 9* : *$A

Lhieu ay nho nhat ;ach chi tiet -uc #mm&: ! 4$

D?ch thc loP: %* #mm&$

Eoc nghie"ng: % * !* $

Uan 1?nh goc ln: ! #mm&$

@iec ca\t -t -c thc hien nh cac -o ga chuye"n ung$

Lhi tiet -c lam .ach a ng cac thiet G /hun cat 1ho" ;a/hun cat t t -ong hay an t -ong$

Eia co"ng nhiet -e0 na"ng cao chat lng chi tiet -uc:

+To"i A!* 8** *L, % !h$

+Mam ** 4** *L, *,2 %h$

= Theo tai lieu [%, trang 2 , ang !] 84' ta co lng giaco"ng c cho ;at -uc ca/ ch?nh Bac N, ng ;i 1?ch thc anhnghZa cua chi tiet ^2* mm ta -c lng cho cac maKt nh .au :

+ HaKt i ) #mm&$+ HaKt e"n ) #mm&$

+ HaKt tre"n ) $2 #mm&$ @i .ai lech cho /he/ cua ;at-uc la: *$ mm #theo [%, trang 2!, ang !=8C'&$ Fung .ai 1?ch thc chi tiet -uc #mm&, lay theo NT%4:

D?ch thc anh nghZa : * 9 : *$!

_ 9 %* : *$!9_ %* %A : *$4!

_ %A !* : *$2

_ !* 2* : *$9

_ 2* A* : *$C4

_ A* % * : *$AC

_ % * %A* : %

V!H: NHOM " !#$ng 9


10/68


La/ ch?nh Bac cac 1?ch thc can gia co"ng :

Ma5nh 0.120 : ca/ ch?nh Bac %0.027012

+

: ca/ ch?nh Bac A0.1315 : ca/ ch?nh Bac %%0.05514 : ca/ ch?nh Bac %%

31.040 : ca/ ch?nh Bac %!

031.045 : ca/ ch?nh Bac %!

31.048 : ca/ ch?nh Bac %!

37.055 : ca/ ch?nh Bac %!435.090

: ca/ ch?nh Bac %!,'J' H nh ;h$nh $8n ?e& pho+i ?$ >$ c @Pnh ho i 901ngpho+i:

Uan ;e5 /ho"i#theo t?nh toan /ha"n t?ch&:

V!H: NHOM " !#$ng 10


11/68


`ua tr7nh h7nh thanh /ho"i:

Theo [9, trang 9!' 6ua tr7nh h7nh thanh /ho"i trai 6ua cacc .au:

=Trc het o /han 1y5 thuat /hai ;e5 an ;e5 ;at -uc$Lan c ;ao an ;e5 ;at -uc o /han moc maPu che tao ramaPu ;a ho/ lo5i$ b o /han lam 1huo"n ngi ta ung maPu;a hoPn h/ lam 1huo"n -e0 che tao ra 1huo"n$ b o /hanlam lo5i ngi ta ung ho/ lo5i ;a hoPn h/ lam lo5i che tao ralo5i$ Sau 1hi .ay 1huo"n ;a lo5i ta -em la\/ ra/ 1huo"n lo5i lai ;i

nhau$ Tien hanh cac c tie/ theo nh rot 1im loai ;ao 1huo"n,g5 1huo"n lay ;at -uc,


12/68


/H NG IV: /HO5N !IE7N !RSNH GIA /OCNG/HO5N !IE7N !RSNH GIA /OCNGM9:C ;C : JGnh ;G maKt !=4, 1hoi /ha ng -Gnh ;G maKt ngoai 2=9, 1hoi @

-Gnh ;G ;a 1e/ chaKt maKt ngoai ra5nh C, /hay maKt %= $ JGnh ;G maKt %= , 1hoi /ha ng -Gnh ;G maKt ngoai 2=9, 1hoi @

-Gnh ;G ;a 1e/ chaKt maKt ngoai ra5nh C, /hay maKt !=4$ JGnh ;G maKt %= , 1e/ chaKt a ng c cau lie"n h/ ;ao maKt

!=4, /hay maKt A=8$ JGnh ;G maKt %= , 1e/ chaKt a ng c cau lie"n h/ ;ao maKt

!=4, 1hoan ;a oa loP %*$ JGnh ;G maKt %= ;a 1hoi @ co -Gnh -Gnh ;G loP 2, 1hoi

/ha ng -Gnh ;G maKt ngoai loP 9, 1e/ chaKt a ng 1hoi @ i-ong ;ao maKt ngoai C, 1hoan ;a oa loP 2$



14/68


JGnh ;G maKt %= , chot tru nga\n -Gnh ;G loP 2, 1hoi /ha ng-Gnh ;G maKt ngoai loP 9, 1e/ chaKt a ng 1hoi @ i -ong ;aomaKt ngoai C, 1hoan ;a oa loP 9$

JGnh ;G maKt %= ;a hai loP 2=9, 1e/ chaKt a ng c cau lie"nh/ e maKt !=4, /hay ra5nh C$?=h)ng an @ :

JGnh ;G maKt !=4, 1hoi /ha ng -Gnh ;G maKt ngoai 2=9, 1hoi @-Gnh ;G ;a 1e/ chaKt maKt ngoai ra5nh C, /hay maKt %= $

JGnh ;G maKt %= , 1hoi /ha ng -Gnh ;G maKt ngoai 2=9, 1hoi @

-Gnh ;G ;a 1e/ chaKt maKt ngoai ra5nh C, /hay maKt !=4$ JGnh ;G maKt %= ;a 1hoi @ co -Gnh ;G maKt ngoai loP 2,

1hoi /ha ng -Gnh ;G maKt ngoai loP 9, 1e/ chaKt a ng 1hoi @i -ong maKt ngoai C, 1hoan ;a oa loP 2$

JGnh ;G maKt %= , chot tru nga\n -Gnh ;G loP 2, 1hoi /ha ng-Gnh ;G maKt ngoai loP 9, 1e/ chaKt a ng 1hoi @ i -ong maKtngoai C, 1hoan ;a oa loP 9$

JGnh ;G maKt %= ;a hai loP 2=9, 1e/ chaKt a ng c cau lie"n-ong ;ao maKt !=4, /hay maKt A=8$

JGnh ;G maKt %= ;a hai loP 2=9, 1e/ chaKt a ng c cau lie"n-ong ;ao maKt !=4, 1hoan, oa loP %*$

JGnh ;G maKt %= ;a hai loP 2=9, 1e/ chaKt a ng c cau lie"n-ong ;ao maKt !=4 , /hay ra5nh C$!heo ;Knh co+ng nghe ;$ chon ph01ng $ n "'

/h01ng V: !HIE7!


15/68


Uc : /hay tinh -e0 -at -o nham ye"u cau$U$S o ga at:

L$Chon may cong nghe:

Theo [%, trang C , ang 8=!A' ta/ !, chon may /hay -ng9O%%, co"ng .uat 4$2 D $

F$ Chon o ga: JGnh ;G: Fung chot ty chom cau -Gnh ;G maKt !=4$

@a 1hoi /ha ng -Gnh ;G maKt ngoai cua loP 2=9$

De/ chaKt: 1e/ a ng 1hoi @ ;ao maKt ngoai C$

>$Chon dung cu cat: Theo [%, trang !C4, ang 4=84' ta/ %, chon ao /hay maKt

-au rang cha\/ manh h/ 1im cng UD9$F ) %**, U ) !8, ) ! #OC&$ So rang %*$Lhu 1y en % * /hut, theo [4, trang 42, ang $C'$

f$ Chon dung cu kie m tra: Thc 1e/$

E$Chon dung d!ch trn nguoi:>munBi$

-'"' Nguye+n co+ng ": Bh$y $ ; , J:d$Chon trnh t cac bc trong nguyen cong:

Uc %: /hay tho" a ng ao /hay maKt -au co ga\n manhh/ 1im cng$



16/68


Uc : /hay tinh -e0 -at -o ch?nh Bac ;a -o nham ye"ucau$U$S o ga at:

L$Chon may cong nghe:

Theo [%, trang C , ang 8=!A' ta/ !, chon may /hay -ng9O%%, co"ng .uat 4$2 D $F$ Chon o ga:

JGnh ;G: Fung chot ty /ha ng -Gnh ;G maKt %= $

@a 1hoi /ha ng -Gnh ;G maKt ngoai cua loP 2=9$

De/ chaKt: 1e/ a ng 1hoi @ ;ao maKt ngoai C$

>$Chon dung cu cat: Theo [%, trang !C4, ang 4=84' ta/ %, chon ao /hay maKt -au

rang cha\/ manh h/ 1im cng UD9$F ) %**, U ) !8, ) ! #OC&, .o rang %*$Lhu 1y en % * /hut, theo [4, trang 42, ang $C'$

f$ Chon dung cu kie m tra: Thc 1e/$

E$Chon dung d!ch trn nguoi:>munBi$

-',' Nguye+n co+ng ,:


17/68


U$S o ga at:

L$Chon may cong nghe: Theo [%, trang 42, ang 8= %' ta/ !, chon may 1hoan -ng

O% 2, co"ng .uat , D $F$ Chon o ga:

JGnh ;G: Fung chot ty /ha ng -Gnh ;G maKt %= ;a 1hoi @co -Gnh -Gnh ;G maKt ngoai loP 2, 1hoi /ha ng -Gnh ;G /hu

;ao maKt ngoai loP 9$ De/ chaKt: a ng 1hoi @ i -ong ;ao maKt ngoai C$

>$Chon dung cu cat: Hu5i 1hoan: Theo [%, trang ! 2, ang 4=4%'ta/ %$

Jng 1?nh ) %%$Amm, chieu ai mu5i 1hoan Y ) 82mm,chieu ai /han lam ;iec l ) 4Cmm, .o l5i ca\t ) $ Hu5i 1hoan ruot ga -uo"i tru: theo [%, trang !!* , ang 4=44 '

ta/ %:Lac tho"ng .o h7nh hoc l5i ca\t : Eoc .au ) % *

Eoc nghie"ng cua l5i ca\t ngang ) !* *

Eoc nghie"ng ch?nh cua l5i ca\t ) %%A*

Lhu 1y en: % +*$2B% ) %A /hut, theo [4, trang 4!'$ Hu5i oa: Theo [%, trang !!9, ang 4=48' ta/ %:

Hu5i oa lien 1hoi, chuo"i tru $



18/68


So l5i ca\t : theo [%%, trang !CC' ta co: ) %$2 D + 4 ) %$2 12 + 4 ) 8$%89 $ Lhon ) %*$# F la-ng 1?nh ao oa&$

Jng 1?nh F ) % mm, chieu ai Y ) %**mm, chieu ai/han lam ;iec l ) 4*mm$

Eoc .au ) A *

Eoc trc ) 9 *

Eoc nghie"ng ch?nh ) 2 *

Eoc nghie"ng cua ra5nh Boa\n ;?t ) C *

Lhu 1y en #The/ gio munBi #Fau hoa&$-'J' Nguye+n co+ng J:


19/68


C" Chon may cong nghe:

Theo [%, trang 42, ang 8= %' ta/ !, chon may 1hoan -ngO% 2, co"ng .uat , D $

F$ Chon o ga: JGnh ;G: Fung chot ty /ha ng -Gnh ;G maKt %= , mot 1hoi

/ha ng -Gnh ;G /hu ;ao maKt ngoai loP 9$ Fung chot tru nga\n -Gnh ;G loP 2$

De/ chaKt: a ng 1hoi @ i -ong$

>$Chon dung cu cat:

Hu5i 1hoan: Theo [%, trang ! 2, ang 4=4%' ta/ %Jng 1?nh ) %%$Amm, chieu ai mu5i 1hoan Y ) 82mm,

chieu ai /han lam ;iec l ) 4Cmm$ .o l5i ca\t ) $Hu5i 1hoan ruot ga -uo"i tru: theo [%,trang !!*, ang 4=44'ta/ %:Lac tho"ng .o h7nh hoc l5i ca\t: chon giong nguye"n

co"ng !$Eoc .au ) % *



Lhu 1y en:% +*$2B% ) %A /hut, theo [4, trang 4!' Hu5i oa: Theo [%, trang !!9, ang 4=48' ta/ %

Hu5i oa lien 1hoi,chuo"i tru:So l5i ca\t : theo [%%, trang !CC' ta co:



20/68


) %$2 D + 4 ) %$2 12 + 4 ) 8$%89 $ Lhon ) %*$# Fla -ng 1?nh ao oa&$

Jng 1?nh F ) % mm, chieu ai Y ) %**mm, chieuai /han lam

;iec l ) 4*mmEoc .au ) A *

Eoc trc ) 9 *



Lhu 1y en #The/ gio


21/68


L$Chon may cong nghe:=Theo [%, trang C , ang 8=!A' ta/ !, chon may /hay ngang

9O%%, co"ng .uat 4$2 DF$ Chon o ga:

JGnh ;G:

Fung chot ty /ha ng -Gnh ;G maKt %= $

Fung chot tru nga\n -Gnh ;G loP 2$

Fung chot tram -Gnh ;G loP 9$

Fung chot ty /hu i -ong ;ao ;G tr? maKt cha gia co"ng %=

-e0 tang -o cng ;5ng cho chi tiet$ De/ chaKt : L cau lie"n -ong thao la\/ nhanh,

1e/ ;ao e maKt !=4$ >$Chon dung cu cat:

=Theo [%, trang !C4, ang 4=84'ta/%, chon ao /hay maKt -aurang cha\/ manh h/ 1im cng UD9

F ) %**, U ) !8, ) ! #OC&, .o rang %*$Lhu 1y en % * /hut, theo [4, trang 42, ang $C'$f$ Chon dung cu kie m tra:

Thc 1e/$E$Chon dung d!ch trn nguoi:

>munBi$-' ' Nguye+n co+ng : ho$n Fo$ 9o% *(:

d$Chon trnh t cac bc trong nguyen cong:Uc %: Dhoan a ng mu5i 1hoan ruot ga -ng 1?nhUc : Foa lai a ng mu5i oa nhieu l5i$

U$S o ga at":



22/68


8*

L$Chon may cong nghe:"

Theo [%, trang 42, ang 8= %' ta/ !, chon may 1hoan-ng O% 2, co"ng .uat , D $

F$ Chon o ga" : JGnh ;G:

Fung maKt /ha ng -Gnh ;G maKt %= $

Fung chot tru nga\n -Gnh ;G loP 9$

Fung chot tram -Gnh ;G loP 2$ Fung ty i -ong ;ao ;G tr? maKt 8 -e0 tang -o cng ;5ng

cho chi tiet$ De/ chaKt : L cau lie"n -ong thao la\/ nhanh, 1e/ ;ao e

maKt !=4$>$Chon dung cu cat"

Hu5i 1hoan: Theo [%, trang ! 2, ang 4=4%' ta/ %Jng 1?nh ) %%$Amm, chieu ai mu5i 1hoan Y ) 82mm,chieu ai /han lam ;iec l ) 4Cmm, .o l5i ca\t ) $

+Hu5i 1hoan ruot ga -uo"i tru:Lac tho"ng .o h7nh hoc l5i ca\t: chon giong nguye"nco"ng !$

Eoc .au ) % *




23/68



Lhu 1y en:% +*$2B% ) %A /hut Hu5i oa: Theo [%, trang !!9, ang 4=48' ta/ %

Hu5i oa lien 1hoi,chuo"i tru:So l5i ca\t : theo [%%, trang !CC' ta co: ) %$2 D + 4 ) %$2 12 + 4 ) 8$%89 $ Lhon ) %*$# F

la -ng 1?nh ao oa&$ Jng 1?nh F ) % mm, chieu ai Y ) %**mm,chieu ai /han lam ;iec l ) 4*mm

Eoc .au ) A *

Eoc trc ) 9 *



Lhu 1y en #The/ gio


24/68


U$S o ga at :

L$Chon may cong nghe: Theo [%, trang C , ang 8=!A' ta/ !, chon may /hay -ng

9O%%, co"ng .uat 4$2 D $ F$ Chon o ga:

JGnh ;G: JGnh ;G chi tiet tre"n an may$Lhot tru nga\n -Gnh ;G loP 2$

Lhot tram -Gnh ;G loP 9$ De/ chaKt: L cau lie"n -ong thao la\/ nhanh, 1e/ ;ao

e maKt !=4$ >$Chon dung cu cat:

Hu5i 1hoan: Theo [%, trang ! 2, ang 4=4%' ta/ %Hu5i 1hoan ruot ga -uo"i tru a ng the/ gio:

) *mm Die0u NN chieu ai Y ) %!%mm, chieu ai/han lam ;iec l ) 99 mm$

Eoc .au ) %*



Lhu 1y en T ) * + *,2$ * ) !* /hut Fao /hay: Theo [%, trang !29, ang 4=92'

Fao /hay ngon chuo"i tru the/ gio:Jng 1?nh ) * mm, chieu ai Y ) %*4 mm, chieu ai

/han lam ;iec l ) !A mm$



25/68


So rang ao ) 9Eoc trc ) %2 *

Eoc .au ) % *

Lhu 1y en 9* /hutf$ Chon dung cu kie m tra :

Fung ung cu -o chuye"n ung$E$Chon dung d!ch trn nguoi :

>munBi $

Chng #$: 3A/ 4NH L 5NG D !RUNG GIAN VA3A/ 4NH L 5NG D !RUNG GIAN VA< /H !H / !RUNG GIAN< /H !H / !RUNG GIAN



26/68


'*' 3$ c @Pnh 901ng F0 ;#ung gi$n ?$ Kch ;h01 c ;#ung gi$ncho o; e $ ; cu8$ pho+i $Xng ph01ng ph$ p ph$+n ;Kch:9o%

T?nh lng gia co"ng loP 9, t?nh lng cho oa, /han conlai anh cho 1hoan

Yng nho nhat hai /h?a -c Bac -Gnh theo [4, trang 22,co"ng thc # $4&'

imin ) #MRi=% +T i=% + 22 1 ii + &

Sai .o 1ho"ng gian to0ng cong cho 1hoan :

) 220 )( l C y+ Trong -o : L *: Jo lech ta"m mu5i 1hoan .o ;i ;G tr? ye"u cau

y : Jo co"ng -n ;Gl : -o .a"u lo0 gia co"ng: %4mm

theo [%%, trang A, ang %$ 9'ta co : L* ) * m , y )%$!

m mm ) C m

Sai .o con .ot lai 1hi oa tinh: ti)D cB$ t )*,*2$ C)%,! m

@i D cB: he .o ch?nh Bac hoa[%%, trang A, ang% $ 9'la: *$*2

Sai .o chua0n la 1he h nho nhat gi5a loP ;a chot

maB) d + U + min trong -o d: ung .ai chot: %A m

U : ung .ai loP: C m

min: 1he h nho nhat cua loP ;a chot: %9 m

maB ) 9% m

c ) 9% m

Fung .ai: *,* C mm ) C m



27/68


Sai .o ga -aKt: gd ) dv + k

Sai .o 1e/ chaKt theo [% , trang A8, ang !=%!': 1 ) %!*

m

Theo [4, trang 28' ta co: dg ) ct + m

ct )15

)1

275

) 2,4 m

Theo [4, trang 28, co"ng thc # $%8&': m ) N

trong -o ( .o lan tie/ Buc cua /ho"i ;i maKt ty =he .o /hu thuoc ;ao t7nh trang e maKt ;a -ieu

1ien tie/ Buc m#chot tru& ) *,% 11960 ) %% m

-g ) 22 mct + ) 2 25, 4 11+ ) % ,! m

Theo [4, trang 9*, co"ng thc # $ *&

g- ) 222 dg k c ++ ) 2 2 261 0 12,3+ + ) 9 , m

Lhat lng e maKt .au 1hi 1hoan theo [% , trang C%, ang!=2' MR)4* m , Ta) * # gang Bam&$

$ min ) # 4*+ C+9 , & ) $% 8, m

Yng gia co"ng cc -ai: $ maB) $ min + k = d , theo [% ,trang 99, LT!$%*' $ maB ) $% 8, + %A* ] C ) 4%%,4 ) $ *2,Cm Yay lng cho oa: $ ) *$ mm

$ Nguyen cong B : /hay maKt %=


28/68


Fung .ai: *,2 mm Yan lng :*,2 mm

A$@$@$ Nguyen cong BB: /hay maKt !=4


29/68


Chng #$$ : 3A/ 4NH /HE7 OY /AZ! VA !HI3A/ 4NH /HE7 OY /AZ! VA !HIGIAN GIA /OCNGGIAN GIA /OCNG

2'*' 3$ c @Pnh che @o c$[; ?$ ;h1i gi$n gi$ co+ng c1 $8n$Xng ph01ng ph$ p ph$+n ;Kch cho o; nguye+n co+ng:

nguye+n co+ng IV \9o% ]: =Jng 1?nh F ) % mm

=Lhieu ai Y ) %4 mm=Yng : Dhoan %%,A mm

Foa tinh % mm=Fung cu gia co"ng: Hu5i 1hoan ruot ga ;a mu5i oa nhieu

l5i # the/ gio&$=Fang may: O% 2, co"ng .uat , D=@at lieu gia co"ng: gang Bam %=4*=T7nh trang e maKt gia co"ng: loP -aKt$=Jo ch?nh Bac cho /he/ ;e h7nh ang e maKt gia co"ng

*$%mm .o ;i maKt -au$=Jo nham e maKt /ho"i: Ma ) 2 m

=Yc ln nhat cho /he/ tac -ong le"n c cau chay ao#lay t ly lGch may&

2'*'*' ^01 c *:


30/68


o Y%)2

d $ cotg+ ) 2mm , theo [% , trang %!A,

ang 2=4' $

Y ) mm$ Yc )%4mm Yct ) %mm

ac -Gnh lng an ao S: Tra [%, trang %, ang 2= 2' ta/ :

OU ) %8*S ) *,!2 mm ;ongLac he .o -ieu chInh: chon theo ly lGch may :

Ta co: )8 ;a S: # *$%=%$9&mm ;ong, lay)%,4%

R=% ) *$!2 *$%)!$2 ;ay R)4

Lhon Smay) ! $ Smin) $A B *$%)*$ A mm ;ong Tuo0i en ung cu : T / )9* /hut

Toc -o ca\t @ Theo [ , trang *' ta/

@ ) ymq

V

S T DC .. $D @

Tra [%, trang !, ang 2= A' ta/ =Eang Bam -o cng OU ) %8*

=Y5i The/ gio


31/68


D H@ )vn

HB

190

n; ) %,!

D H@ )3,1

190190

) %

D @ ) %D Y@ ) % D @ ) %$%$% ) %

@ ) 55,0125,025,0

282,0.608,11.7,14 $% )! $C9 m /hut

ntt ) D

V .

.1000

) 1000.32,763,14.11,8

n ) AA!,A ;ong /hutSo ;ong 6uay truc ch?nh #chon theo ly lGch may O% 2&:

o Ta co: )%o n ) #42= ***&, Lhon)%$4%o R=% )AA!,A 42 )%8$9o R)A

Lhon: n may) 42 B A)C * ;ong /hut

@an toc ca\t that: @ m) . .1000

m D n ) 9$Cm /hut

Homen Boa\n H B#($m& ;a lc chieu truc < o#(&: theo [%, trang %'ta/

HB ) %*$LH$F6$Sy$D G@Fao /hay maKt -au ga\n manh h/ 1im cng F ) %** )! U ) !8 .o rang %*$

^01 c * :/hay tho": Yng gia co"ng t:

t ) mm$o Lhieu ai hanh tr7nh co"ng tac: theo[%%$ trang %8C' ta co:

Yct)Y c+ y Yc )%** mm Lhieu ai ;ao ra cua ao: theo [%%, ang $89, trang

%*'ta co: y )%Amm Yct )%%Amm

o Ue rong /hay trung 7nh: t )c L

F ) 118 81,3656 )!% mm$

o Yng an ao S: theo [ %%, ang $A*= $A!' ta co:=Yng chay ao tho" S , mm rang

Lo"ng .uat may 2=%* DEang co -o cng OU _ %A*O/ 1im UD9

S ) *$!$mm rang



36/68


Lhon tuo0i en ao /hay:[%%, ang $A , trang%88' T/ )% * /hut

@an toc ca\t Tra [%%, trang *%, ang $A4= $82'F ) %** %* Toc -o ca\t @ ) %** m /hut

So ;ong 6uay n ) D

V .

.1000

)100.14,3

100.1000

n ) !%A$! ;ong /huto Lhon theo ly lGch may:

So ;ong 6uay truc ch?nh #chon theo ly lGch may 9O%%&:o Ta co : )%9o n ) #92=%A**&, Lhon)%$ 9o R=% )!%A$! 92 )4$Ao R)C

nmay ) 9$nmin) 4$92 ) 9* ;ong /hut

@an toc ;a\t thc: @ m ) . .1000

m D n ) A%,C m /hut

=Yng an ao ;ong :S* ) S $ ) *,!$%* ) ! mm ;ong

=Yng an ao /hut:Sm ) S $ $n ) S*$n ) !$ 9* ) CA* mm /hut

o Lhon theo may: Ta co: )%9 ;a S m: #!2 =8A*& mm ;ong, lay)%, 9

R=% ) CA* !2) $! ;ay R)%4

Lhon Smay) %!$ Smin) *$%9 B !2)C*2 mm ;ongLo"ng .uat ca\t tie"u thu

Tra [%%, trang %8A, '

( c) > 1000uvtZ D %D



37/68


Tra [%%, trang *A, ang $8! ] $84 $82'o Oe .o ;at lieu gia co"ng: D %)%$ 2o Oe .o /hu thuoc ;at lieu ao ;a ;an toc ca\t: D )%o >)%$2

( c ) %$2 100010.2.7,81 %, 2$%)!$*9D

Jieu 1ien ( c %, (m$ ) %, $4,2$*,A )4,! D

Thoa -ieu 1ien Thi gian gia co"ng c an

Tc )m

ct

S L )

780118 )*$%2/h)8.

Tc ) 8.

Thi gian 1e toan

Theo [4, trang %*C, co"ng thc # $9*&' : T1 ) 1 $ TH Theo [4, trang %%4, ang $ C' : 1 ) %,A4

T1 ) %,A4$8 ) %C gia"y^01 c " : /hay tinh: tra ang tng t c %:

Yng gia co"ng:t ) *,2 mm

o Yng an ao S: theo [ %%, ang $A*= $A!'ta co:=Yng chay ao tinh S , mm rang


S ) *$% mm rang

Lhon tuo0i en ao /hay:[%%, ang $A = $A9, trang%88'taco:

T/ )% * /hut@an toc ca\t:V!H: NHOM "

!#$ng 37


38/68


Tra [%%, trang *%, ang $A4= $82'F ) %** %* Toc -o ca\t @ ) 22 m /hut

Oe .o -ieu chInh /hu thuoc 1?ch thc gia co"ng:D %)%$%Oe .o -ieu chInh /hu thuoc trang thai gia co"ng ;a-o cng gia co"ngD )%$%Oe .o -ieu chInh /hu thuoc ;at lieu ;a -o cng

ung cu: D ! )%$%@)%,%$%,%$%,%$22)C!, *2 m /hut

So ;ong 6uay n ) D

V .

.1000

)100.14,3

205,73.1000

n ) !! ;ong /huto Lhon theo ly lGch may:

So ;ong 6uay truc ch?nh #chon theo ly lGch may 9O%%&:o Ta co : )%9o n ) #92=%A**&, Lhon)%$ 9o R=% ) !! 92 )!$9o R)9

nmay ) 2$nmin)!,%9$92) *2 ;ong /hut

@an toc ;a\t thc: @ m ) . .

1000

m D n )94,4m /hut

=Yng an ao ;ong :S* ) S $ ) *,%$%* ) % mm ;ong

=Yng an ao /hut:Sm ) S $ $nm ) S *$nm ) %$ *2 ) *2 mm /hut

o Lhon theo may:

Ta co: )%9 ;a S m: #!2 =8A*& mm ;ong, lay)%, 9

R=% ) *2 !2)2$A2 ;ay R)A



39/68


Lhon Smay) C$ Smin)2,*4 B !2) %C9 mm ;ong

Lo"ng .uat ca\t tie"u thu Tra [%%, trang %8A, '

( c) >1000

uvtZ D %D

Tra [%%, trang *A, ang $8! ] $84 $82'o Oe .o ;at lieu gia co"ng: D %)%$ 2o Oe .o /hu thuoc ;at lieu ao ;a ;an toc ca\t: D )%o >)*,9

( c ) *,9 100010.5,0.4,64 %, 2$%)*$ 4 D

Jieu 1ien ( c %, (m$ ) %, $4,2$*,A )4,! D

Thoa -ieu 1ien

Thi gian gia co"ng c an:

Tc )m

ct

S L )

176

118 ) *$9C/h ) 4* .

Tc ) 4*.

Thi gian 1e toan:


T1 ) %,A4$4* ) C4 gia"y

To0ng thi gian gia co"ng c an Tc ) 8+4* ) 48 gia"y

To0ng thi gian 1e toan T1 ) %C+C4 ) 8% gia"yF$@$>$ Nguyen cong @ 'hay ma7t GD

Fao /hay maKt -au ga\n manh h/ 1im cng F ) %** )! U ) !8 .o rang %*

^01 c * :/hay tho":



40/68


Yng gia co"ng t:t )%$2 mm

o Lhieu ai hanh tr7nh co"ng tac: theo [%%$ trang %8C' ta co: Yct)Y c+ y Yc )%** mm Lhieu ai ;ao ra cu5a ao [%%, ang $89, trang %*' y )%Amm Yct )%%Amm


F )118

81,3656 )!% mm$

o Yng an ao S: theo [ %%, ang $A*= $A!' ta co:=Yng chay ao tho" S , mm rang


S ) *$! mm rang


@an toc ca\t: Tra [%%, trang *%, ang $A4= $82'F ) %** %* Toc -o ca\t @ ) %** m /hut

Oe .o -ieu chInh /hu thuoc 1?ch thc gia co"ngD %)%$%Oe .o -ieu chInh /hu thuoc trang thai gia co"ng ;a-o cng gia co"ng D )%$%Oe .o -ieu chInh /hu thuoc ;at lieu ;a -o cng

ung cu D ! )%$%@)%,%$%,%$%,%$%**)%!!$% m /hut



41/68


42/68


Jieu 1ien ( c %, (m$ ) %, $4,2$*,A )4,! D

Thoa -ieu 1ien Thi gian gia co"ng c an:

Tc )m

ct

S L )

985

118 )*,% /h

Tc ) C. Thi gian 1e toan:


T1 ) %,A4$C ) %! gia"y^01 c " : /hay tinh: tra ang tng t c %

Yng gia co"ng:t ) *,2 mm

o Yng an ao S: [ %%, ang $A*= $A!'=Yng chay ao tinh S , mm rang


S ) *$% mm rangLhon tuo0i en ao /hay:[%%, ang $A = $A9, trang%88'

T/ )% * /hut@an toc ca\t

Tra [%%, trang *%, ang $A4= $82'F ) %** %* Toc -o ca\t @ ) 22 m /hutOe .o -ieu chInh /hu thuoc 1?ch thc gia co"ngD %)%$%Oe .o -ieu chInh /hu thuoc trang thai gia co"ng ;a

-o cng gia co"ng



43/68


D )%$%Oe .o -ieu chInh /hu thuoc ;at lieu ;a -o cng

ung cu D ! )%$%@)%,%$%,%$%,%$22)C!, *2 m /hut

So ;ong 6uay: n ) D

V .

.1000

)100.14,3

205,73.1000

n ) !! ;ong /huto Lhon theo ly lGch may:

So ;ong 6uay truc ch?nh #chon theo ly lGch may 9O%%&:o Ta co : )%9o n ) #92=%A**&, Lhon)%$ 9o R=% ) !! 92 )!$9o R)9

nmay ) 2$nmin)!,%9$92) *2 ;ong /hut

@an toc ;a\t thc: @ m ) . .1000

m D n )94,4m /hut


=Yng an ao /hut:Sm ) S $ $nm ) S *$nm ) %$ *2 ) *2 mm /hut

o Lhon theo may:


R=%

) *2 !2)2$A2 ;ay R)ALhon Smay) C$ Smin)2,*4 B !2) %C9 mm ;ong

Lo"ng .uat ca\t tie"u thu Tra [%%, trang %8A, '

( c) >1000

uvtZ D %D

Tra [%%, trang *A, ang $8! ] $84 $82'o Oe .o ;at lieu gia co"ng: D %)%$ 2



44/68


o Oe .o /hu thuoc ;at lieu ao ;a ;an toc ca\t: D )%o >)*,9

( c ) *,9 100010.5,0.4,64

%, 2$%)*$ 4 D Jieu 1ien ( c %, (m$ ) %, $4,2$*,A )4,! D

Thoa -ieu 1ien Thi gian gia co"ng c an:

Tc )m

ct

S L )

176

118 )*$9C/h)4* .

Tc ) 4*.

Thi gian 1e toan:


T1 ) %,A4$4* ) C4 gia"y

To0ng thi gian gia co"ng c an Tc ) C+4* ) 4C gia"y

To0ng thi gian 1e toan T1 ) %!+C4 ) AC gia"y2'"',' Nguye+n co+ng ,: $ Hhoan lo1 >>!Imm

ac -Gnh chieu .a"u ca\t t Theo [%, trang *' ta/ : t ) *,2F ) *,2$%%,A ) 2,8 mm

o Lhieu ai hanh tr7nh co"ng tac:[%%$ ang $88 , trang % ' Yct)Yc+ y y ) 9mm

Yc )%4mm Yct ) *mm

ac -Gnh lng an ao ;ong S * Tra [%%, trang %4, ang $%*%= $%*4'

S* ) *,!2 mm ;ong

Lac he .o -ieu chInh:



45/68


chon theo ly lGch may :

Ta co: )8 ;a S: # *$%=%$9&mm ;ong, lay)%,4%

R=% ) *$!2 *$%)!$2 ;ay R)4

Lhon Smay) ! $ Smin) $A B *$%)*$ A mm ;ongo Tuo0i en ung cu :[%%, ang $%*9= $%!%'

T/ )9* /hut@an toc ca\t

Tra [%%, trang %2, ang $%*9= $%!%' Toc -o ca\t @ ) @ $D %D D ! m /hut

@)%A +%23$%A) *,C$m /hOe .o -ieu chInh /hu thuoc ;at lieu D %)%$Oe .o -ieu chInh /hu thuoc tuo0i en ung cu D )%$%2Oe .o -ieu chInh /hu thuoc ty .o chieu ai ca\ ;a-ng 1?nh D ! )%

@)%, $%,%2$%$ *,C) A,299 m /hutntt )

DV

.

.1000

) 8,11.14,3566,28.1000

n ) CC% ;ong /hutSo ;ong 6uay truc ch?nh #chon theo ly lGch may O% 2&:

o Ta co : )%o n ) #42= ***&, Lhon)%$4%o R=% )CC% 42 )%Co R)8

Lhon n may) 42 B A)C *;ong /hut


m D n ) 9$Cm /hut

ac -Gng lc chieu truc :[%%, trang , ang $%! = $%!C'


46/68


Theo [%%, trang %%'

( c ) ( $D (1000. mn

Lo"ng .uat ca\t ( )%$Oe .o ;at lieu gia co"ng D ( )% ( c ) *,A94 D

et -ieu 1ien ( c %, (m$ ) %, $ , $*,A ) ,%% D

Thoa -ieu 1ien Thi gian gia co"ng c an#Thi gian may&

Theo [% , trang %% , ang 4=C' Tc )

0S n L

m

ct ) 282,0.72020 ) *$*8/hut ) 9 .

o T Theo [4, trang %*C, co"ng thc # $9*&': T1 ) 1$Tc

Theo [4, trang %%4, ang * C': 1 ) %,C

T1 ) %,C $9 ) %*,! gia"y

2'*'"' ^01 c ": Do$ 9o% >@mm

ac -Gnh chieu .a"u ca\t t Theo [%, trang *' ta/ t ) *,2#F= & ) *,2#% =%%,A&t ) *,% mm

o Lhieu ai hanh tr7nh co"ng tac:[%%$ ang $88 , trang % ' Yct)Y c+ y y ) %

Yc) %4mmYct ) 9mm

ac -Gnh lng an ao ;ong S * Tra [%%, trang %4, ang $%*%= $%*4'

S* ) *,A2 mm ;ong chon theo ly lGch may :

Ta co: )8 ;a S: # *$%=%$9&mm ;ong, lay)%,4%



47/68


R=% ) *$A2 *$%)A$2 ;ay R)C

Lhon Smay) 9$ Smin)A B *$%)*$A mm ;ongo Tuo0i en ung cu :[%%, ang $%*9= $%!%'

T/ )9* /hut@an toc ca\t

Tra [%%, trang %2, ang $%*9= $%!%'@)% m /hut

n tt) 1000..

tt V D )!%A ;ong /hut

o

Lhon theo ly lGch may:So ;ong 6uay truc ch?nh #chon theo ly lGch may O% 2&:

o Ta co : )%o n ) #42= ***&, Lhon)%$4%o R=% )!%A 42 )C$%o R)9

nmay) 2

$nmin)2,94$42) 24 ;ong /hut@an toc ca\t that: @ m ) . .

1000m D n )8$9 m /hut



48/68


Theo [% , trang %% , ang 4=C'

Tc )0S n

L

m

ct ) 8,0.25426 )*$%!/hut ) A .

Thi gian 1e toan Theo [4, trang %*C, co"ng thc # $9*&': T1 ) 1$Tc Theo [4, trang %%4, ang * C': 1 ) %,C

T1 ) %,C $A ) %4 gia"y

To0ng thi gian gia co"ng c an cua hai c

Tc ) 9 + A )%4 gia"y

T1 ) %*,! + %4 ) 4,! gia"yF$@$D$ Nguyen cong D HhoanGJoa lo1 AKtheo 'h)ng 'ha'

'han t/chLF$@$E$ Nguyen cong E =hay ma7t IG

Fao /hay maKt -au ga\n manh h/ 1im cng F )%** )! U ) !8 .o rang %*

Tra ang tng t nguye"n co"ng %Yng gia co"ng t :t ) mm

o Lhieu ai hanh tr7nh co"ng tac: theo [%%$ trang %8C'ta co : Yct)Y c+ y Yc ) * mm Lhieu ai ;ao ra cu5a ao, theo [%%, ang $89,trang %*' y )%Amm Yct )!A mm

o Ue rong /hay trung 7nh: t ) *mm$o Yng an ao S: theo [ %%, ang $A*= $A!'

=Yng chay ao tho" S , mm rang

Eang co -o cng OU _ %A*



49/68


O/ 1im UD9 S ) *$%$mm rang


@an toc ca\t: Tra [%%, trang *%, ang $A4= $82'F ) %** %* Toc -o ca\t :@ ) %** m /hut

Oe .o -ieu chInh /hu thuoc 1?ch thc gia co"ng:

D %)%Oe .o -ieu chInh /hu thuoc trang thai gia co"ng ;a-o cng gia co"ngD )%$%Oe .o -ieu chInh /hu thuoc ;at lieu ;a -o cng

ung cu: D ! )%$% Toc -o ca\t: @)@ D % D D ! )% %

So ;ong 6uay: n ) D

V .

.1000

)100.14,3

121.1000

n ) !A2 ;ong /huto Lhon theo ly lGch may:

So ;ong 6uay truc ch?nh #chon theo ly lGch may 9OA%&:o Ta co : )%9

o n ) #92=%A**&, Lhon)%$ 9o R=% )!A2 92 )2,8o R)A

nmay ) C$nmin)2,*4$92)! C ;ong /hut

@an toc ;a\t thc: @ m ) . .1000

m D n )%* ,C m /hut




50/68


=Yng an ao /hut:Sm ) S $ $nm ) S *$nm ) %$! C ) ! C mm /hut

o Lhon theo may:


R=% ) ! C !2)8$! ;ay R)%*

Lhon Smay) 8$ Smin)A B !2) A* mm ;ong

Lo"ng .uat ca\t tie"u thu: Tra [%%, trang %8A '

( c) >1000

uvtZ D %D

Tra [%%, trang *A, ang $8! ] $84 $82'ta co:o Oe .o ;at lieu gia co"ng: D %)%$ 2o Oe .o /hu thuoc ;at lieu ao ;a ;an toc ca\t: D )%o >)%$4

( c ) %$4 100010.2.7,102 %, 2$%)!$28D

Fo /hay hai maKt cung luc ne"n co"ng .uat la: $( c)CD Jieu 1ien ( c %, (m$ ) %, $4,2$*,A )4,! D

Dho"ng thoa -ieu 1ie"n gia co"ng Lhon lai ;an toc ca\t:

@) 9*m /h

So ;ong 6uay: n ) D

V .

.1000

)100.14,3

60.1000

n ) %8% ;ong /hutSo ;ong 6uay truc ch?nh #chon theo ly lGch may 9OA%&:

o Ta co : )%9o n ) #92=%A**&, Lhon)%$ 9o R=% )%8% 92 )!o R)2

nmay ) 4$nmin) ,2$92)%9 ;ong /hut



51/68


@an toc ;a\t thc: @ m ) . .1000

m D n )2% m /hut

=Yng an ao ;ong :

S* ) S $ ) *,%$%* ) % mm ;ong=Yng an ao /hut:

Sm ) S $ $nm ) S *$nm ) %$%9 ) %9 mm /huto Lhon theo may:


R=% ) %9 !2)4$9 ;ay R)C

Lhon Smay) 9

$ Smin)4 B !2)%4* mm ;ongo Lo"ng .uat ca\t tie"u thu ( c ) %$4 1000

10.2.51 %, 2$%)%,C8 D

o Lo"ng .uat thc $( c ) !$2A ( may # thoa -ieu -ien&


Tc )m

ct

S L

)140

38 ) *$ C/h

Tc ) %9,! Thi gian 1e toan:

Theo [4, trang %*C, co"ng thc # $9*&' : T1 ) 1 $ Tc Theo [4, trang %%4, ang $ C' : 1 ) %,A4

T1 ) %,A4$%9,! ) !* . F$@$A$ Nguyen cong A HhoanG 0oa lo1 >

F$@$A$> Hhoan lo1 >>!Immac -Gnh chieu .a"u ca\t t:

Theo [%, trang *' ta/ : t ) *,2F ) *,2$%%,A ) 2,8 mmo Lhieu ai hanh tr7nh co"ng tac:[%%$ ang $88 , trang % '

Yct ) Y c+ y y ) 9mm

Yc ) %2mm Yct ) %mm



52/68


ac -Gnh lng an ao ;ong S *: Tra [%%, trang %4, ang $%*%= $%*4' ta co:

S* ) *,!2 mm ;ongLac he .o -ieu chInh: chon theo ly lGch may :

Ta co: )8 ;a S: # *$%=%$9&mm ;ong, lay)%,4%

R=% ) *$!2 *$%)!$2 ;ay R)4

Lhon Smay) ! $ Smin) $A B *$%)*$ A mm ;ongo Tuo0i en ung cu :[%%, ang $%*9= $%!%'

T/ )9* /hut@an toc ca\t:


@)%A +%23$%A) *,C$m /hOe .o -ieu chInh /hu thuoc ;at lieu D %)%$

Oe .o -ieu chInh /hu thuoc tuo0i en ung cu D )%$%2Oe .o -ieu chInh /hu thuoc ty .o chieu ai ca\ ;a-ng 1?nh D ! )%@)%, $%,%2$%$ *,C) A,299 m /hut

ntt ) D

V .

.1000

) 8,11.14,3566,28.1000

n ) CC% ;ong /hutSo ;ong 6uay truc ch?nh #chon theo ly lGch may O% 2&:

o Ta co : )%o n ) #42= ***&, Lhon)%$4%o R=% )CC% 42 )%Co R)8

Lhon n may)42 B A)C *;ong /hut



53/68



m D n ) 9$Cm /hut



54/68


ac -Gnh lng an ao ;ong S *: Tra [%%, trang %4, ang $%*%= $%*4'

S* ) *,A2 mm ;ong chon theo ly lGch may :

Ta co: )8 ;a S: # *$%=%$9&mm ;ong, lay)%,4%

R=% ) *$A2 *$%)A$2 ;ay R)C

Lhon Smay) 9$ Smin)A B *$%)*$A mm ;ongo Tuo0i en ung cu :theo [%%, ang $%*9= $%!%'ta co:

T/ ) 9* /hut@an toc ca\t:

Tra [%%, trang %2, ang $%*9= $%!%'@)% m /hut

n tt) 1000..

tt V D )!%A ;ong /hut

o Lhon theo ly lGch may:So ;ong 6uay truc ch?nh #chon theo ly lGch may O% 2&:

o Ta co : )%o n ) #42= ***&, Lhon)%$4%o R=% )!%A 42 )C$%o R)9

nmay) 2$nmin)2,94$42) 24 ;ong /hut

@an toc ca\t that: @ m ). .

1000m

D n )8,9m /hut

ac -Gng lc chieu truc :theo [%%, trang , ang $%! =$%!C'ta co:


55/68


Lo"ng .uat ca\t ( )%$Oe .o ;at lieu gia co"ng D ( )% ( c ) *,A94 D

et -ieu 1ien ( c %, (m$ ) %, $ , $*,A ) ,%% D

Thoa -ieu 1ien Thi gian gia co"ng c an#Thi gian may&:

Theo [% , trang %% , ang 4=C':

Tc )0S n

L

m

ct ) 8,0.25427 )*$%!/hut ) A .

Thi gian 1e toan: Theo [4, trang %*C, co"ng thc # $9*&': T1 ) 1$Tc Theo [4, trang %%4, ang * C': 1 ) %,C

T1 ) %,C $A ) %4 gia"y

To0ng thi gian gia co"ng c an cua hai c :

Tc ) 9, + A )%4, gia"y

T1 ) %*,C + %4 ) 4,C gia"y F$@$F$ Nguyen cong F =hay +a*nh F F$@$F$>$ O)c > Hhoan moi @ mm

Lhieu .a"u ca\t t: t ) *,2$F ) *,2$ * ) %*mm

o Lhieu ai hanh tr7nh co"ng tac:[%%$ ang $88 , trang % '

Yct ) Y c+ y y ) 9mmYc ) %4mm

Yct ) *mmac -Gnh lng an ao ;ong S *:

Tra [%%, trang %4, ang $%*%= $%*4'S* ) *,2 mm ;ongLac he .o -ieu chInh:



56/68


chon theo ly lGch may :

Ta co: )8 ;a S: # *$%=%$9&mm ;ong, lay)%, 9

R=% ) *$2 *$%)2 ;ay R) C

Lhon Smay) 9$ Smin)4 B *$%)*$4mm ;ongo Tuo0i en ung cu :[%%, ang $%*9= $%!%'

T/ )9* /hut@an toc ca\t:


@)%A +%23$%A ) *,C$m /hOe .o -ieu chInh /hu thuoc ;at lieu D %)%$Oe .o -ieu chInh /hu thuoc tuo0i en ung cu D )%$%2Oe .o -ieu chInh /hu thuoc ty .o chieu ai ca\t;a -ng 1?nh D ! )%

@)%, $%,%2$%$ *,C) A,299 m /hut n tt ) D

V .

.1000

) 1000.28,5663,14.20

n ) 424,9 ;ong /hutSo ;ong 6uay truc ch?nh #chon theo ly lGch may 9O%%&:

o Ta co : )%9o n ) #92=%A**&, Lhon)%$ 9o R=% )424,9 92 )9$88o R)C

Lhon n may)92 B C)%*,*A$92) ! C ;ong /hut


m D n ) *,22m /hut



57/68


Lo"ng .uat ca\t: Theo [%%, trang %%'

( c ) ( $D ( 1000. mn

Lo"ng .uat ca\t ( )4,%Oe .o ;at lieu gia co"ng D ( )% ( c ) ,98 D

et -ieu 1ien ( c %, (m$ ) %, $4,2$*,A ) 4,! D

Thoa -ieu 1ien

Thi gian gia co"ng c an#Thi gian may&: Theo [% , trang %% , ang 4=C'

Tc )0S n

L

m

ct ) 20327.0,4

)*,%2!/hut ) 8,%C .

o T Theo [4, trang %*C, co"ng thc # $9*&': T1 ) 1$Tc Theo [4, trang %%4, ang * C': 1 ) %,C

T1 ) %,C $8$%C ) %2,CC gia"yF$@$F$@$ O)c @ 'hay +a*nh

Lhieu .a"u /hay:t ) * mm

o Lhieu ai hanh tr7nh co"ng tac:[%%$ trang %8C' Yct)Y c+ y Yc )C!,! mm

y )*mm Yct )C!,!mm


F ) * mm$

o Yng an ao S: theo [ %%, ang $A*= $A!'=Yng chay ao tho" S , mm rang

Lo"ng .uat may 2=%* DEang co -o cng OU _ %A*



58/68


O/ 1im UD9 S ) *,*2$mm rang

Lhon tuo0i en ao /hay:[%%, ang $A , trang%88' T/ )9* /hut

@an toc ca\t: Tra [%%, trang *%, ang $A4= $82'F ) * 9 Toc -o ca\t @ ) @ $D %D D ! m /hut

@)) % + %$%23) 4$m /h

Oe .o -ieu chInh /hu thuoc 1?ch thc gia co"ng D %)%Oe .o -ieu chInh /hu thuoc trang thai e maKt giaco"ng ;a -o cng ;5ng gia co"ng D )%$%Oe .o -ieu chInh /hu thuoc ;at lieu ;a -o cng

ung cu D ! )%,!@)%$%,%$%,!$ 4)!4,! m /hut

So ;ong 6uay n ) DV

.

.1000 ) 20.14,3

32,34.1000

n ) 249 ;ong /huto Lhon theo ly lGch may:

So ;ong 6uay truc ch?nh #chon theo ly lGch may 9O%%&:o Ta co : )%9o n ) #92=%A**&, Lhon)%$ 9o R=% )249 92 )A,4o R)%*

nmay) 8$nmin)A$92)2 * ;ong /hut

@an toc ;a\t thc: @ m ) . .1000

m D n )! ,C m /hut

=Yng an ao ;ong :S* ) S $ ) *,*2$9 ) *,! mm ;ong

=Yng an ao /hut:



59/68


Sm ) S $ $n ) S*$n ) *,!$2 * ) %29 mm /hut @7 lng an ao /hu thuoc c cau truyen -ong 1ho"ng con

theo may$Lo"ng .uat ca\t tie"u thu

Tra [%%, trang %8A, '

( c) >1000

uvtZ D %D

Tra [%%, trang *A, ang $8! ] $84 $82'o Oe .o ;at lieu gia co"ng: D %)%o Oe .o /hu thuoc ;at lieu ao ;a ;an toc ca\t: D )%o >)*,C

( c ) *,C 10006.20.7,32 %$%) ,C2D

Jieu 1ien ( c %, (m$ ) %, $4,2$*,A )4,! D Thoa -ieu 1ien


Tc )m

ct

S L )

1563,73 )*$4C/h) A.

Tc ) A.

Thi gian 1e toan:

Theo [4, trang %*C, co"ng thc # $9*&' : T1 ) 1 $ Tc Theo [4, trang %%4, ang $ C' : 1 ) %,A4

T1 ) %,A4$ A ) 2 gia"y Tc ) 8,%C + A ) !C,%Cgia"y

T1 ) %2,CC + 2 ) 9C,CC gia"y



60/68


Chng #$$$: LAYB BHIE7U !O_NG H5B NGUTECN/OCNG



61/68


Chng $%:: !HIE7!


62/68


=De/ mot chi tiet=De/ mot lan

!$ C ca&u da)n hngUac aPn thay -o0i

4$C ca&u *o dao : 1ho"ng co2$C ca&u (han o : 1ho"ng co9" +han ga, e& ga

Je h7nh ;uo"ng: a\t chaKt chot ty,chot tru ;a /hien tyC$Cac chi tie&t no&i ghe(

@?t loP 9 canh ;a chot -Gnh ;G$A$C ca&u !nh '! 'a- ke( chat o ga tren ba-n may Ma5nh ch5 -e0 1e/ chaKt -o ga tre"n an mayDe/ chaKt a ng ulo"ng -ai oc

II' Te+u c$ u

Jo ga 1hoan -c ung tre"n may 1hoan -e0 Bac -Gnh ;G tr? tng 6uan gi5a /ho"i ;a ung cu ca\t, -ong thi 1e/ chaKt /ho"i-e0 1hoan ;a oa$ Jo ga 1hoan han che ca 9 ac t o cua chitiet -e0 Bac -Gnh -ung loP ta"m cua chi tiet gia co"ng$III' !# nh ;0 ;hie ; e%$.ay khoan ng /01/2

Dhoang cach t truc ch?nh ti an may: 98*=%*9* mm$3hng (ha( !nh '!

! chot ty /ha ng + % chot tru + % 1hoi /ha ng ;at Beo$!$ %ac !nh k4ch thc thc cu5a be mat du-ng 6a-m chua n4$#e7 -ng bao cu5a chi tie&t tai nguyen cong thie&t ke& o ga2" %ac !nh (hng chieu 'a- ie m at cu5a 6c cat,6c ke( : lc1e/ ngang#;uo"ng goc ;i truc may&$

9$ %ac !nh '! tr4 'a- 'e7 ke&t ca&u o !nh '!



63/68


C$+4nh 6c ke(a$ ac -Gnh . -o -Gnh ;G ;a 1e/ chaKt chi tiet, Bac -Gnh

/hng chieu ;a -ie0m -aKt cua lc ca\t, lc 1e/, lc ma .at ;a/han lc cua maKt ty

$ @iet /hng tr7nh ca"n a ng cua chi tiet

Theo [8, trang A' : < ) d f M K .

.

Y

2. . . 2. . . 222sin 2 P P f R f L KM

+ = ) . .( 1 ) K P L ! +

Trong-o: < ] lc 1e/ chaKt chi tiet #1E&

H]momen Boa\n ao 1hoan #1E$mm&, H ) 2,4 ($m ) 24*1E$mm

W]he .o ma .at e maKt 1e/, W ) *, 2 D]he .o an toan ]1hoang cach t ta"m mu5i 1hoan -en ta"m lc 1e/ < c Oe .o an toan D

Theo [4, trang A*, co"ng thc !9': D ) D *$D %$D $D ! $D 4$D 2$D 9 Trong -o:

D * ] he .o an toan cho tat ca cac trng h/ ;a D * ) %,2

D % ] he .o t?nh -en trng h/ tang lc ca\t 1hi -o ongthay -o0i$



64/68


Dhi gia co"ng tho" D % ) %, #1hoan& 1hi gia co"ng tinh D % ) %# oa&D ] he .o tang lc ca\t 1hi ao mon, D ) %,2D ! ] he .o tang lc ca\t 1hi gia co"ng gian -oan, D ! ) %,D 4 ] he .o t?nh -en .ai .o cua c cau 1e/ chaKt$Trngh/ 1e/ a ng tay D 4 ) %,!D 2 ] he .o t?nh -en mc -o thuan li cua c cau 1e/

a ng tay$Trng h/ 1e/ thuan li D 2 ) %D 9 ] he .o t?nh -en momen lam 6uay chi tiet$Trng h/

-Gnh ;G chi tiet tre"n cac chot ty D 9 ) % D ) %,2$%, $%,2$%, $%,!$%$% ) 4, % #1hoan&

D ) %,2$%$%,2$%, $%,!$%$% ) !,2% # oa&@i Y% ) 9*mm, Y ) 2*mm, r )9mm, M) AAmm, < R) H r

Yc 1e/ < -c t?nh nh .au:540

. .(60 6) 4, 212. .666 6 767( )

176 50 176 50.0,25

3 3

M K

P k" f

+ = = =+ +

Trong -o :Lac .o 1?ch thc tng ng ;i h7nh ;e5$T/nh chon 6ulong

Yc oc tac ung le"n ulo"ng

< ) C9C #1E& T [ %*, co"ng thc % a$C ':

[ ]k P

d

4

Trong -o: Lhon the/ 42, .uy ra M#$c% 360= , [ ] 5.1= & [ 8, ang % $% '

[ ][ ]

)(2405.1

360 MP$

&

c%k

===

[8, ang % $ a'



65/68


Fo -o :

3

4 7, 670.0064 6.4

240 10 x

d m mm x x

= =

Lhon )Amm$Suy ra ulo"ng chon la HA$Yc Biet -e0 moi ghe/ ulo"ng 1ho"ng G h :

@ ) 1$< ,[ 8, co"ng thc % a$ !'Lhon 1)%$2, .uy ra: @ ) %$2BC,9C ) %%,2*2#D(&

A$ Lhon c cau 1e/ chaKt:Men ;?t co tay 6uay t o 1et h/ ;i 1hoi @

8$ @e5 c cau aPn hng # ac aPn& ;a .o ao #1ho"ng co&%*$ @e5 cac chi tiet /hu cua -o ga%%$ @e5 tha"n -o ga% $ @e5 ! h7nh chieu cua -o ga%!$ @e5 nh5ng /han ca\t tr?ch can thiet%4$ Uang 1e" chi tiet

%2$ T?nh .ai .o che tao cho /he/ cua -o ga ct gd

) c + k + ct + m + dc

@i g ].ai .o ga -aKt

c ].ai .o chua0n

1 ].ai .o 1e/ chaKt

ct ].ai .o che tao

m ].ai .o mon c ].ai .o -ieu chInh

ct ) gd = # c + k + m + dc &c ) 9% m1 ) * #lc 1e/ ;uo"ng goc ;i /hng 1?ch thc&

m ) $ N ) *,%$ 11960 ) %% m ) *$*%% mm

-c ) %* m ) *,*% mm

[g- ') !V!H: NHOM "

!#$ng 65


66/68


ung .ai nguye"n co"ng ) *,4!2mm

[g- ' ) *$4!2 ! ) *$%42 mm

ct ) ( )2 2 2 2 2

gd c k m dc + + +

ct ) ( )2 2 2 2 20,145 0,061 0 0,011 0,01 + + + ) *,*%Cmm ) %C m

%9$8eu cau ky7 thuat =Jo 1ho"ng .ong .ong cua maKt -Gnh ;G .o ;i -ay -o ga

%Cm

=Jo 1ho"ng ;uo"ng goc gi5a ta"m ac aPn ;a -ay -o ga

%Cm

=Jo 1ho"ng ;uo"ng goc gi5a ta"m chot -Gnh ;G ;a -ay -o

ga %Cm

=Jo 1ho"ng .ong .ong gi5a ta"m 1hoi @ ;a -ay -o ga %C

m=Jo 1ho"ng ;uo"ng goc gi5a maKt g cua chot -Gnh ;G ;a

-ay -o ga %Cm


67/68


=u ie m :>?a5m ba5o cha&t 6ng chi tie&t at c>@ia tha-nh che& tao khong cao do *5 dung cac thie&t b! co

*aAn, (ho bie&n thong dung 'a- tng o&i 'an naBnghc ie m :

> aBng *ua&t at c khong cao nhng co the cha&( nhanc

Dm ;in chan tha-nh ca5m n thay 0uy-nh goc 0ie( 'a- cacthay co trong bo mon Che& +ao .ay a7 tan tnh chE ba5o trong

th-i gian 6a-m o an" ?o an c thc hien 6an au nenchac chan co-n nhieu thie&u *ot, mong thay co 'a- cac banong go( chE ba5o e em rut kinh nghiem *au na-y 6a-m 'iecc to&t hn"

ga-y 1F thang G2naBm

/GGF

Sinh 'ien thc hien: 0HI. /

!AI LIEYU !HAM


68/68


[4'$ Ye" Trung Thc JaKng @an (gh7n$ 0ng da)n thie&t ke& oan mon hoc cong nghe che& tao may" JOUDT

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Thuyet Minh Nhom 02