QUI TRÌNH CÔNG NGHỆ CHẾ TẠO CHI TIẾT DẠNG HỘP H9 (Bản vẽ + thuyết minh)

Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ

NhËn xÐt cña gi¸o viªn híng dÉn
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G #/"2'"(%&#*$#-6>#PG#322-&=G/#
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#$#'"(D
"0)1)@#!V$#"$>#MHH#$#7&
)@ 4VDW-KT4)X#0#MF#S 2W:Y #SH#2"2Z
&W-K[JI\IKF.5#7D]G)^I!G&G/# G#TZ&W-K
#MG#*6#!I&!-K)%%4L"$F.3._)84)$)@#!
FRG)^)12!#!D
2> #M#K"H# "+<--%#:2#M)/`"
G*3$D]G?#G2-KQ.52&!T4)XF#SH)=)@#!FRG
)12!#'D
]GB7#!5G'#S¸)^T4)XRG2!#!)@#!
!D
Sinh viªn:
NguyÔn V¨n Duy

¸
a
Trờng ĐHSPKT Hng YênĐồ án công nghệ chế tạo máy
Khoa cơ khí
Đồ án Công Nghệ
I. Phân tích chức năng, điều kiện làm việc của chi tiết
K&!2.5&b#$###?7&)@ 4I!#$#:3/4D
7&)@ 4%G&;:Z)=
7&)@ 4%@GA#45H&W)/(B " &!`
%G/#-[.@GA#"H45HDc .@GA#I!G&F$d)7I! I\#;
efg GA#&!REaeEaEhd )SD
cSHGA#4i#)=I!GN#HDU5G.52-K#'>
FI\e&WI\g&W .@GA#HDj25 #k#7GI\e)$G/#GA#
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meDa
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l
meDa
D
c#$#I!G&#2)@"n 4IKIW
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á
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Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
II. Ph©n tÝch tÝnh c«ng nghÖ trong kÕt cÊu cña chi tiÕt
k.5&b#$###?
j$#?F7)$.28Gu#I!"[/4M<0#4(:W%G/#
"[#;.#2"[#;&!"[/4<0#I!<.@GA#I\&!R)%I!<
.@GA#I!G&D
EA##F7)$%)F)/6&<)="H"H.n.$:3% 
#=:Z$)/J#2)3#-?#2D
  c .@GA#I!GN%)F:#(?#)n)=24o4#K@
H":Z.@GA#)%I!GN&!)5G.52#K> #M )A#
D
c#$#7&)@ 4)1$#32.P4'4 4)TDj$#?#')[
)'5#"H I\I!G&( φhfφgS45)5G.52
"25 &!)/)8#7G< )9#7GI\&W)/&H%< )

9#7GI\&WGA#4i) 45(B )5G.52 S",#0#D
¸

Trờng ĐHSPKT Hng YênĐồ án công nghệ chế tạo máy
Khoa cơ khí
Các bề mặt cần gia công là :
D H.@GA#4i) &W)/.%2)=I!GN#2H-
aD HaGA#4i#Z
rD HaGA#4ia)Sa.
D HI\g.#
lD HI\g.45
hD HI\geh&!#2Eae
gD HI\geDl&!#2Ea
D HR2!Eha)Sa.
III. Xác Định Dạng Sản Xuất
1DXác định dạng sản xuất:
5I1!G)1B )n#R2H#6-
p

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2.Tính trọng lợng của chi tiết:
I1F#$#)1B )n#R2H#6
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Khoa c¬ khÝ
=#(F#$#
p
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=#("[/4

a
=#("[#;.# 

r
=#("[#;.45


=#("[#;.#

l
=#(I\.45

h
=#(I\.# 


g
=#(I\.#.# 

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=#(I\.#.45
⇒plDaDmπDh
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DaexπDg
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0#=#(F#$#
pgalaGG
r
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!I23#+
!I2#&k
!I23#IW
!"[
{l
llee
eeree
reeeee
zeee
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leeeee
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&ớwpelg"&!pee#ế#
¸
h
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
Th× dạng sản xuất l sà ản xuất h ng loà ạt lớn
IV. Chän Ph¬ng Ph¸p ChÕ T¹o Ph«i
1. C¸c Ph¬ng Ph¸p ChÕ T¹o Ph«i
 2 à ế#ạ2G #M#ỳ #R2:ạ-ảBấ#G 4(&à ề4HIệ
ềG#ừreheq#ổ4(ế#ạ2DHđượB Iậ4ợ4IL-ẽđưIạệ>ả
"#ế2& "à ế#ạ24ảđảG.52Iượ:ưHD|ượ:ưH> Iớ
-ẽ#ố&ậ#Iệ#2I2độđểH#ốăIượ:ụụắ#&ậ
ểặ:ẫ#ớ # #à ăD
|ượ:ư> ỏ-ẽ"Hđủđể.ớ#đ -Iệủ4Hđể.ế4H# à 
#ế#2 #à ệI Gà ảưở#ớ .ướH&  .à ướHD
ư&ậ&ệB đị4ươ4 4#ạ24H:ự#M:3ủ#ế#&à 
đảG.ả2Iượ:ưHđểằG#ế#"ệG&ậ#Iệ>#MH
đơảảGđượ#ờHơ.ả#2> #Mế#ạ2ơ.ả#2> 
#Mế#ạ2#ế##ăăBấ#I2độư&ẫđảG.ả2-ốIượ& à ấ#
Iượ-ả4ẩGđồ#ờ"H.ị4ế4ẩG:ẫđế # à ạD
2Hệế#ạ2G #ườ-ử:ụ 4ươ4 4#ạ24H-D
1.1. Ph«i dập
H:ậ4#ườ:Z2 I2ạ#ế#-đ7#ụăH#ụă#ẳ

 I2ạ.Jă"  #ế#:ạ #à ụữ#ậ4#ụ"ỷDDD% đặ
đểG
ử:ụGộ#.ộ"H%"(#ướI`"Hầố&ậ#HD
Độ(B ủ&ậ#:ậ42đặ.ệ#I  "(#à ướ#R2ề2& -à 
Iệữử"HDH#ườđộ.%ủ:ậ4#ể#(đạ#đượ#ừ∆a÷∆
độ(B đạ#đượ±e÷±eelD
ạ# ứ-ấ#&ậ#H%I @"à ố:2đ%"GI2ạ%#(:ẻ2
#ố#ơ.ế:ạ#ệ#đểơơ#(-ả4ẩG2ơ& %#à ểH&ậ#4ứ
#ạ4D
ễơ"(2 ă-ấ#2D
ệ-ố-ử:ụ&ậ#Iệ2D
¸
g
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
ế#.ị-ử:ụ%H-ấ#Iớểđộ(B ế#ạ2"Hđắ##ềD
2ữđặđểG#:ậ4#ể#(ỉ:Z#2-ảBấ# I2à ạ#&à
 "à ốD
1.2. RÌn tự do.
ƯđểGủ_#ự:2
ế#.ị_đơả&ốđầ#ư(#D
c%"ảăI2ạ#ừ "ế##ậ#đTưỗ"(ỗ2DDDuế#ổứạ## #à ổ
ứ#ớ#ạ2đượ #ổứ#ớốB2ắ:2đ%I G#à ăơ#(-ả4ẩGD
|ượ24("GI2ạ"_(#ơ"Hắ#ọ#D
c ượđểGủ_#ự:2
Độ(B "(#ướđộ.%.ềGặ#"oGD
cấ#Iượ&ậ#_"Hđồđề#2#ừ4ầủ#ế#& à ữ I2ạ#
Hấ#IượH`4ụ#ộ& 2#Mà độ#ềủườH7
& #Mà độ#ổứơI G&à ệD
ă-ấ#I2độ#ấ4Iượ:ư:-& #à ờHIớệ>ả

"#ế"H2D
ử:ụ#2-ảBấ#đơếI2ạ#ỏ4ụ&ụHệ4-ửữế#ạ2
G D
1.3. Đóc trong khu«n kim loại:
c%#ể#ạ2-ả4ẩG%ấ#Iượ2"(#ướ(B độ.%.ềGặ#2
%"ảăơ"(2 #ựđộ2 2D
 # -à ảBấ#đT%ạơ-2&ớ :ạ-ảBấ#" D
ậ#đT:ễ#ồ#ạ :ạỗ'ỗ"(ứ#DDD
2Gộ#4ầ"GI2ạ:2ệ#ốT#đậT#DDD
jđT#2"H"GI2ạ#(:ẫệ#ủ"H2"ảăđềđầ
"oGDEặ#" %-ựảơủ"H"GI2ạIớ:ễYứ#D
1.4. Đóc ¸p lực
ĐTđượ &ậ#IệđT4ứ#ạ4%# Gà ỏđTđượ Iỗỏ%"(
#ướ" Tđộ.%& (B 2à ơ#(ủ&ậ#Iệ#ố#ă-ấ#2D
¸

Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
ư"HT.ịG*:2"GI2ạ%. 2G*"à đượ:ẫ:ướ 4Iự
2D
1.5. Đóc ly t©m
ĐTđượ &ậ##*ỗG "Hà ầ:KI3:2đ%#ế#"ệGđượ&ậ#Iệ&à
HI GI3Dà
jHầ:Kệ#ốT#I9#ế#"ệGđượ"GI2ạ%#ểđTđượ &ậ#
#ểGỏDậ#đTT#Oứ"GI2ạGịặ#"H#ồ#ạ:ạBỉ "2T#
"HđTầ%độ.ề2:2I G&à ệởệ#độ2Iựo4ủ"GI2ạIỏIớD
  Khó đạt được đường kÝnh lỗ vật đóc chÝnh x¸c, do khó định lượng kim loại
chÝnh x¸c trước khi rót.
cấ#Iượ.ềGặ##2ủ&ậ#đT"/G:2ứề#ạ4ấ#D
1.6. Đóc trong khu«n mẫu chảy.

ậ#đT%độ(B & à độ.%ấ#2%#ểđTđượ &ậ#4ứ#ạ4& %à 
#ể)Tđượ ợ4"G%ảởệ#độ2ă-ấ#"H2DKđể)T
"GI2ạ>LếGầ#ế#"ệG&ậ#IệD
1.7. Đóc liªn tục.
(ợ4&ớ&ậ#đT: #à ế#:ệ"Hđổ& Tà ề: "Hà ạếđT
 #ấG"GI2ạ#2+&ậ#đT"H%ỗ2ỗ"(ỗBỉ(#.ị##(D
cơ#(&ậ#đT2ăBấ#2 # à ảGDậ#đT:ễ.ịứ#"HđTđượ
 &ậ#4ứ#ạ4D
1.8. §óc khu«n vỏ mỏng.
Đạ#đượđộ.%& (B 2&à ậ#đT(#ỗ& (#.à ị"ế##ậ#DảG4(
"GI2ạ> #MđT:ễơ"(2 #ựđộ2 Dc#MI G"H:  # à à à 
"H2D
7đồ %"ốIượ" Iớ& -à ảBấ# I2à ạ#Iớ#4HIà
4HđT& à đT#2"H"GI2ạDuởIẽ-"-2-  4ươ4 4#ạ24H
##ấđT#2"H"GI2ạ%ữưđểG-
c%#ể#ạ2-ả4ẩG%ấ#Iượ2"(#ướ(B độ.%.ềGặ#
2%"ảăơ"(2 #ựđộ2 2D
¸
y
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
 # -à ảBấ#đT%ạơ-2&ớ 4ươ4 4#ạ24H" D
cơ#(ủ&ậ#đT2#ổ.ề"GI2ạũ2D
ĐT#2"H"GI2ạ24o472ă-ấ#& # à ữ-ỏ
#2"#ạ24HD
2. Chọn phương ph¸p chế tạo ph«i
căứ& 2à ữ4ươ4 4#ạ24H đề"ệ-đ7
- ậ#IệI G4HI #o4clà à
- jW#ướủ#ế#"2> ỏM:ạủ#ế#"H> 4ứ#ạ4D
- -ủ.ềGặ#"HHI à ỏ

±
eDl
- ạ-ảBấ#I -à ảBấ# I2à ạ#Iớ
Để#2ảG2^đượữđề"##M#ọ4ươ4 4#ạ24HIà
)T#2"HjGI2ạ

¸
e
Trờng ĐHSPKT Hng YênĐồ án công nghệ chế tạo máy
Khoa cơ khí
Dthứ tự các nguyên công
1. Xác định đờng lối công nghệ
} )n)9I[HI!B )n4'4 4#KH&H
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(B HDw #MH#$#45>@H45
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U[&W:3-5B?#!I23#IWG[GH2 2%#=)3#)1)/(
B 2#M4' 47# H#6I!>#MH)1
47#! H)'5D:Z G &3"$#14&W)8
:ZD
2. Chọn phơng pháp gia công
R2.5st
HGA#4i) .P4'4 44:Z:24GA#)S)S#I!
4#H-)%I!4#D
H GA#4i#;.P4'4 44:Z:24GA#)S

pe

#4'4 44#HI!)F)3#)/(B
HI\g)3#

pe.P4'4 4"2
HI\eh)3#

pe.P4'4 4"2HREae
HI\eDl)3#

pe.P4'4 4"2HREa
HREhD
3. Lập tiến trình công nghệ
j#$#"$>#MH#45I04#6#K H-22"
H2!QG/##$#I!J?#%44S3$4(H)5G
.52>5?#D2)%G\H)1#K#R2G/#IL6
&WG/#4'4 4H#(14&W"$#?F#$#D
2)%)[&W#$#thân van điều ápV#%4' #$#"$H
-
á

Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
D
Hƒ
HGA#4i) .P4'4 44
aDHƒƒHGA#4i#;-2-2.P4'4 44
 rDHƒƒƒHGA#4i-2-2a..P4'4 4
4
DHƒHI\φg.# .P4'4 4"2D
lDHHI\φg.45.P4'4 4"2D

h. HƒHI\φgφeφhφ.P4'4 4"2&!#2
REaeD
 g. HƒƒHI\φgφel.P4'4 4"2&!#2R
Ea
DHƒƒƒHR2!Eh.D
4.LËp thø tù c¸c nguyªn c«ng:
¸
a
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
Nguyªn c«ng I#HGA#) D
„')8)n&n&!"…4A#
c#$#)1)n&nl.0#K:22)%a4$#•"( GdGA##;3$r
.0#K:2a[##;JdGA#33$a.0#K:2M#
c#$#)1"…4A#.P.IHD
„cG : M¸y phay ®øng v¹n n¨ng 6H12
.5yrsrt#%
EA#I!G&F.!G raeBaleGGD

cH-?#)/'3:2pg"†
[)/#;(?4refrglfglfhefglfylfflefyefarlfreefrglf
glfheefglefylefefleeD
„c:2.5r&!yst#%
24GA#)SJ4G514"G6ljh% #H-[
peeupry:gpra‡pe
¸
r
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
Nguyªn c«ng IIGA##;-2-2a.ước để phay)

„')8)n&n&!"…4A#


c#$#)1)n&nl.0#K:2a4$#•dGA#) ˆ3$r.0#K:2F#$#D
a[##;dGA#u
c#$#)1"…4A#.P.IH
„cG : M¸y phay ®øng v¹n n¨ng 6H12
R2.5yrsrt
%?4#[)/refrglfglfhefglfylfflefyefarlfreefrglfglfheef
glefylefefleeD
j(#W.@GA#I!G&F.!G raeBaleGGDcH-?#)/'3:2
g"†Dj(#W4HIW?#H)1I!rleGG
„c:2.5r&!yst#%
24GA#)SJ4G514"G6ljh% #H-[
peeupry:gpra‡pe
24%#o4%I@-[‡plD
:paeGGf|pyeGGfIpreGG
¸

Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
Nguyªn c«ng IIIGA#4i#;.D
„')8)n&n&!"…4A#
c#$#)1)n&nh.0#K:22)%4$#•IWdGA#) 3$r.0
#K:2fa[##•SdGA#.F#$#3$a.0#K:2&![##•SdGA#
.3$.0D
c#$#)1"…4A##k#&H%B[.P)*"…4I)/D
„cG : M¸y phay n»m 6H82
R2.5yrsrt
%?4#[)/refrglfglfhefglfylfflefyefarlfreefrglfglfheef

glefylefefleeD
j(#W.@GA#I!G&F.!G raeBaleGGDcH-?#)/'3:2
g"†Dj(#W4HIW?#H)1I!rleGG
„c:2
c:24)‰rGA#JG514"G6#.5lst%
¸
l
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
paeeGGfuphGGf:gpleGGf-[p
Nguyªn c«ng IVj2I\φg.# 
„Un&n&!"…4A#
c#$#)1)n&nh.0#K:22)%a4$#•dGA#) #$#M
&b3$r.0#K:2f4$#•dGA##;)^H3$a.0#K:2fG/##; 
#*" dGA##3$.0#K:2[B2F#$#D
c#$#)1"…4A#.P.IH
„cG M¸y khoan ®øng K125
R2.5yasrt
c #H-[",#0#FG 
j2)1I\%)9"(IW?#I!alGGcH-?#)/'(pajŠ
[&*>#;(ygfrlfyefahgfreflefhhfylefrhe&*v4T#
|13:2eferfegfeaafeaferfelfehrfeGGv&*
|K#$:2GBpyeee D

„c:2.5est#%
G`"2/#!.P#o4%HH%:pgGGf|pleGGf
IpeGG-7lrGG
Nguyªn c«ng Vj2I\φg.45
„Un&n&!"…4A#
¸

h
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
c#$#)1)n&nh.0#K:22)%a4$#•dGA#
) #$#M&b3$r.0#K:2f4$#•dGA##;)^H3$a
.0#K:2fG/##;#*" dGA##3$.0#K:2[B2F#$#D
c#$#)1"…4A#.P.IH
„cG M¸y khoan ®øng K125
R2.5yasrt
c #H-[",#0#FG 
j2)1I\%)9"(IW?#I!alGGcH-?#)/'(pajŠ
[&*>#;(ygfrlfyefahgfreflefhhfylefrhe&*v4T#
|13:2eferfegfeaafeaferfelfehrfeGGv&*
|K#$:2GBpyeee
„c:2.5est#%
G`"2/#!.P#o4%HH%:pgGGf|pleGGf
IpeGG-7heGG
G`"2/#!.P#o4%HH%:pgGGf|pleGGf
IpeGG-7lGG&!-7rGG
Nguyªn c«ng VIj2I\φgφeφhφj2o#φhφ&!#2REaeBDl
„Un&n&!"…4A#
¸
g
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
c#$#)1)n&nh.0#K:22)%4$#•IWdGA#4i) )^
H3$r.0#K:2f4$#•dGA#.&kH3$a.0#K:2f
G/#[##;SdGA##&kH3$G/#.0#K:2F#$#D
c#$#)1"…4A#.P.IHD
„cG M¸y khoan ®øng K125

.5yasrt#%
j2)1I\%)9"(IW?#I!alGGcH-?#)/'(p
ajŠD[&*>#;(ygfrlfyefahgfreflefhhfylefrhe
¸

Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
&*v4T#D|13:2eferfegfeaafeaferfelfehrfe
GGv&*D|K#$:2GBpyeee
„c:2.5e&!rhst#%
G`"2/#!.P#o4%HH%:pgGGf|pleGGf
IpeGG-7lGG&!-7lGG
G`"2/#!.P#o4%HH%:peGGf|preGGf
IpheGG-7laGG
G`"2/#!.P#o4%HH%:phGGf|peeGGf
IpeGG-7arGG
G`"2/#!.P#o4%HH%:pGGf|peGGf
IpreGG-7lGG
G`#2R%:paeGGf4plGGf|paGGfIprgGG-7lGG
Nguyªn c«ng VIIj2I\φgφel&!#2REa
„Un&n&!"…4A#
¸
y
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
c#$#)1)n&nh.0#K:22)%4$#•IWdGA#4i
) )^H3$r.0#K:2f4$#•dGA#.&kH3$a.0
#K:2fG/#[##;SdGA#.33$.0#K:2F#$#D
c#$#)1"…4A#.P.IHD
„cG M¸y khoan ®øng K125

.5yasrt#%
j2)1I\%)9"(IW?#I!alGGcH-?#)/'(p
ajŠD[&*>#;(ygfrlfyefahgfreflefhhfylefrhe
&*v4T#D|13:2eferfegfeaafeaferfelfehrfe
GGv&*D|K#$:2GBpyeee
„c:2.5e&!grhst#%
¸
ae
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
G`"2/#!.P#o4%HH%:pgGGf|pleGGf
IpeGG-7lGG&!-7rGG
G`"2/#!.P#o4%HH%:pelGGf|preGGf
IpheGG-7alGG
G`#2R%:paGGf4pGGf|pyGGfIpayGG-7lGG
Nguyªn c«ng VIII :R2!Eh.
„Un&n&!"…4A#
c#$#)1)n&nh.0#K:24$#•dGA#) 3$r.0#K:24$#•d
GA##;.M&b3$a.0#K:2[##•SdGA#33$#K:2c
#$#)1"…4.P.IH
„cG M¸y TiÖn T616
.5yrsrt#%
E H)1#$#%)9"(IW?#I!raeGG-[?4#[)/#;(I!
a?4:5#[)/#;(xye&v4)/H#;(
e
lH-?#
)/'I!l"Š
„c:2#.5xast#%
c:2#JG514"G6ljh%#H-[
palGG.phGG|paeGGpGGIpGG

VI.tÝnh lîng d cho mét bÒ mÆt vµ tra lîng d cho c¸c bÒ mÆt cßn l¹i
¸
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IL-b72H&-!%5d#W"#$2@GA#I!'-d2
&#(#2 $)/J#D
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:;;J#&!)/)/#2> #MH&!)8 "H)1.@5
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MF#$#&!#$#-b#d#!4$4NG&!.n+D
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)$<-I&!S2 #$#D
1. TÝnh lîng d cho nguyªn c«ng I: Phay mÆt ph¼ng ®¸y .
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G/#IS )A#DR2H#6#2.5ysryt#$#"$)8 ccE
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2N)n&n#Z&W["(#Wε

pe
2IK"…4&H%&W4'"(#W#K
ε
"
p
GB

G
D2-α
¸
ar
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ

GB

G
I!=&n.$:3IW?#&!+?#F4H
α%14.d<4'FIK"…4&!4'F"(#W#K

⇒αpye
e
⇒2-αpe
⇒ε
"
pe
0ε
)
pe
pz|1:H+?#"4#HI!
‡
G
paeemreemaaapgaaµGpegaaGG
|1:H+?#"4#I!
 ‡
G
paemaemplµGpeelGG
-F .W)1##2 .5rhhfrhy&!ryst#%
-F4H)TI!δ
e
prheµGperhGG
-"4#HI!δ

pleµGpelGG
-"4#I!δ
a
plµGpeelGG
j(#WW3F4H)1B )n-
C¸c kÝch thíc tÝnh to¸n :
(‚"(#W#(#2 V.P "(#W+?#@:!+

?#F#$#&!2![ZDc* "(#W" #MI?"(#WF.W
#W/&WI1:#(#2 +?#D&0#%
j(#WF4H)1#(-
|?"(#W#(#2 I!G#*#R2-[%‰F:-#)1"(#W
+?#-)%I?"(#W!/#k2:-#)1"(#WIW
?#D
4#|
G
pgyGG
|
GB
pGG
4#H |
G
pgyGGD
|
GB
paaGGD
j(#W4H|
G
phaaGG
|
GB
plelGG
¸
a
Trêng §HSPKT Hng Yªn§å ¸n c«ng nghÖ chÕ t¹o m¸y
Khoa c¬ khÝ
|1:H
‡

G
I!-[a"(#W+?#"@D
‡
GB
I!-[a"(#WIW?#"@D
j4#
‡
G
pgygypeGGpeµGD
‡
GB
paapegaaGGpgaeµGD
j4#H
‡
G
phaagypegGGpgµGD
‡
GB
plelaaphgGGphgµGD
|1:#O/
‡
eG
paµGD
j$#>5#(#2 
6#K 
.WH

HGA#
4i
c $#[#32

#!I1:
 #n
#(
#2 
E
GG
|1
:
‡
G
µG


-
µG
j(#WW
3GG
n-[W
3F:
-µG
•
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µG


µG
ρ

µG
E EB E EB

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aaa
a
haa rhe
ha
a
lel
D#H le le  gy g le
gy

aa g hg
aD# ae ae aaa gDy e l gy  e gae
2. Tra lîng d cho c¸c nguyªn c«ng cßn l¹i:
¸
al