Hưỡng dẫn đồ án công nghệ chế tạo máy - Chương 4

Chia sẻ: Nguyễn Nhi | Ngày: | Loại File: PDF | Số trang:28

Thêm vào BST

Báo xấu

291
lượt xem 106
download

Download Vui lòng tải xuống để xem tài liệu đầy đủ

Tài liệu tham khảo Hưỡng dẫn đồ án công nghệ chế tạo máy dùng trong các trường trung học công nghiệp phù hợp với đối tượng học sinh trung học và cũng rất bổ ích đối với đội ngũ kỹ thuật viên và công nhân kỹ thuật để nâng cao kiến thức và dạy nghề - Chương 4 Hướng dẫn xác định chế độ cắt

Chủ đề:

Bình luận(0) Đăng nhập để gửi bình luận!

Lưu

Nội dung Text: Hưỡng dẫn đồ án công nghệ chế tạo máy - Chương 4

5 I " D J ! #- J # 6 " D J : / 89 ! F @: ; < C 4+ F d 4^ @ # d@ A #d^ ! F ): 42 & C # 2< 8 !F @A @: ! F,^ # 2] 4= 7 [ )Z : : "# &ƒ 2 H 9 w 2 #d 4^ ' 97 F d )Z @ d 7 5 77 : 4F ): :6 p ; < w F X W7 X # ): 7 d C u ^ d &# 6< 2 A7 @s… 4g C ] 9 ! F A7 @s ): @A 8 !F _ 9 4g A C u I ^ 5 & > &' F A . 42 # 2 :I # # , 2 K 4h / ! F &I 6= )g 7=) &} ` I )C ! , ; , d' d !6 6C X 4# # d X & )Z @ 4= 7 [ _ M7d & d5, ): & @ 7 6C X 7 /8 H C
~ •$ : = `# # )< &, @ I 7 = H ; +7< - X F 4# ! )T ># "# 7 # 4# !@ #d \ 7 5 ) ) C &! 7 ? - N~ •$ : , 4^ C 4+ F ) @A # LM a X C &! 7 6) C : # ~ • ˆ 4 ˆ 6#• : < ] "# @ Q F ^) X O I 3 J# # # & ! 5 )< # %^ !F, &# n7 w %^ ! F : 6 ): I 5 (, &# n4 778 ) % C8 H ' 3 J & / E< + -# c] = 6 # # d H ; ! J 67 I FP ]= # 7 /d I 4h / 4^ @ # @: , 2 K # d I 4h / C 4+ F ( d 5 - ) @A & !@ # 8 C 4+ F = J &2 @ @( Fd 4 2 F ): & ! € d ^: "# 6< ?÷ d7 = # 6D @ # 27 B ÷ 3 ÷?@ b# 6 ! A ( 6J # 8 C 4+ F 7/ ! ): ! , ; d ): !6 ÷B 6C X d & )T e K # 6D # @Q ϕˆG) F7/ ! ): I , @A #@ d ' C 4+ F 6< 6 ! 6C @ Q F7/ # 7/ ! ): ! 6C "# = A7 K # I l 2 =@ A & ! @ # E< + -# K l @A # I ws ` ^ $BG 4# +$ I !6 6C Xd ! ^ & ! "# ^ • • # d ! 6C )` =# /d ! 6C )` ): 42 0
&< @ A # A ): ] &# & 6= 7 / @/ A # 9 \ 6= # 7= ] &# ! 6C = A7 d! , ; # ): ! 6C 52 & H ] &# @ A # _ 9 \ ! 6C = A7 d ' 7= , @( F y - *‘ - ) @A # _ 9 d 4# 4 4 ) @( F 7 M7 J C # 2 < & 6= B H @( F ( @ 5 &< 7 M7 '@ A # 9 w d A@ = @A # K] &# @ A # \ ! 6C + # " @: ! 6C ^ ( *‘ \ ! 6C + #; < \ -$ B.H 2 .[σ ]u Pz = KG 6l c^ ) + # ) ~ ˆ f• B 3 [σ ]u Pz = KG 6l %+ # &T $ πd 3 [σ ]u Pz = KG 32l >: f @: C &! + #~ • • C # + #~ • @• %# T~ • •c , + &T ~ • [σ ]u • - ? 42 ^ 7 M7 "# )Z @ + # ~Kbn • 6C σ bp = 60 ÷ 70 K + # 6D M7 2 0?
] @2 [σ ]u = 20 KG / mm 2 f= B A # X : ): F - 6D # M7 ): # A7 - 8 C 4+ F c , 7 0 E ? G ~ • A #a n )T ≤ 18 ≤ 0,2 • • > 18 ≤ 30 Gd? • Gd0 Gd • Gd3 • > 30 ≤ 50 GdB • GdE Gd0 • dG • > 50 ≤ 80 Gd3 • d? GdN • d Gd0 • dG > 80 ≤ 120 dG • d3 d • dE GdE • d0 > 120 ≤ 180 dB • ?dG d0 • ?dG d • ?dG dG • d0 > 180 ≤ 260 dE • ?d3 dE • ?dE d0 • ?d0 d • ?dG > 260 ≤ 360 ?dG • d? ?d0 • dG ?dG • dG d0 • ?d0 > 360 2 : )# - ? '# +% - * 5 + 7 > $> @ * + ! $ >g h> U :i j O %K N % > h> K U :i j @ 8 N &\ kT * + 7 l @+ .* + 96 * k -5 A < K] &# @ A # \ ! , ; # ]; 2 7 e C $ c! )} # )A> Gd?0 4# "# @ 0
# # : ( F , * ] ! , ; # ; < \ -~ : &/ „ •$ f= B? A # : M7 6D # A7 - ? 6C σ bp ~Kbn b • c! - U8 A # a~ n)T • 3G BS Gd • Gd EG 0B GdGN • Gd? ?GG 0E GdG0 • Gd 0 % ^ #+$ 70 EJ Py = f KG l3 t! ^ + # X7 ): + X7$ 140 EJ Py = f KG l3 K u W7 & + X7$ 3EJ Py = f KG l3 J +$ •• c! )} ~ • @• 8 C : ~ • ? V• t : 6D ? GGGKbn ^) M7 B —• t \ > , # "# ~ • 6D πD 4 ≈ 0,05 D 4 ) € @: , "# ~ ^ #+d ! 64 X7 # ^ +• X @: , 7 ~ X7• 0B
K ] &# ! 6C 52 \ @A # d7 = ; < @( C &/ *; a 4 *; ) @( 7 M7 )C ! 6C 52 Y27 e @( *‘ ): , # #; < A \ ;F M \$ Pz .D 2M k = KGm 1000 1 $ *‘ † @( F y - ~Kb• €• c , # ~ • 2t \ ;F M7 )e# , 44 ) t \ 7 M7 "# 5 2 & ] ! , b &< @( ): t \ ;F M7 , ) @A # _ 9 : )A> &< 4^ 7 M7 '7 = = @A # A # 7 M7 & & A7 # @ )Z @ # 6D @ # # A & 6= J7 7 / @/ Ž \ ϕ • G Gd J #8 -, @( F J 6= B - ) # ) B% ) @ # F ): @ )Z @ I/ F 9 # & 6= J7 7 / @/ ϕ1 > 00 f= B 8 -, @( F ( F 8 - %7 ~y x pz y pz n pz Pz = C pz .t .S .V .k M pz ( KG ) - • *‘ x py y py n py Py = C py .t .S .V .k M py ( KG ) , * ( # x px y px n px Px = C px .t .S .V .k M px ( KG ) ~ &/ • *; 87‘d 87 d 87; @: 4^ 00
• 8 C 4+ F~ • a• A #~ n)T • • 4^ 7 / ! )Z @ # k ;7d 7d • a^ p 7 )• 1Z ^ F ~ n7 w • %& 4^ ): 4^ p = C 4+ d @ A # d )Z ^ F A; < 6D ( K # )Z @ ) 6= B ?d # T ): 4^ ' 9 # i d @( F, \ 6= B ): B B 7 = +) 4^ & 6= B0 K # )Z @ 7 = &# - ): 4^ 5 - & 6= &# J 7 7 / @/ ; + -# % i 6C # 7/ ! C ^$ : #d Q 4^ @ :@ # T : :d : :6 ): : 4F d # # #d : 4h / d - != J "# )Z ^ F #… i 6C %&e # 6: d # F &\ d # < ' ] @2 i 6C # % ˆ 3G 7w c^ ) # 6: d # F &\ d # < ' @2 % ˆ ?G 7 w T # F 7 / ): ϕ ˆ GGd % ˆ G ÷ B0 7 w K @Q # 6D C # ! @w d ` &< 4^ : I. ‚@ ) # # #F 3 J#K # # 6D # M7 d^ !F, \ L I - & 6= ? d ?B %& A7 &! @Ld ^ !F, \ - : 7= +) 4^ GdS 03
f#& BB 4^ ): 4^ p& - 6= B 4^ ): 4^ p 1Z @ € # 1Z @ ( 7 ( , ( # # 7 F 87‘ P7‘ Y7‘ H7‘ 87 Y7 H7 P7 87; Y7; P7; H7; % A7 • GG GdN0 ?B GdS •Gd Gd3 S Gd0 •GdB :d - Gd 0 % M7 ): &! % M7 ?GE GdN0 G B GdS G GdN0 33dE d? Gd30 G )Z w % A7 6D BGE GdE GdN? G N? GdN G Gd3N • • • • &_ d - M7 F % M7 ?BN dG G • • • • • • • • - % A7 S? GdN0 G 0B GdS G GdN0 B3 GdB G :d - &! % M7 E GdN0 G 0B GdS G GdN0 0 dB d? Gd30 G b# % ; &_ d % M7 0 dG G ?S • • • • • • • F - 0N
f= B0 4^ C u , @( F7/ ! )Z @ # 4^ & - ( 7 ( , ( # 1Z @ # A7 A7 % M7 A7 - % M7 % M7 - - 0 , 35 σ bp σ bp ≤ 60 KG / mm 2 k Mpz = 75 1, 35 2 1, 5 σ bp 0 , 35 σ bp σ bp σ bp σ bp k Mpx = k ppz = k Mpy = k Mpy = k Mpy = % M7 75 75 75 75 75 0 , 75 σ bp σ bp ≥ 60 KG / mm 2 k Mpz = 75 0, 4 0 , 55 1, 3 0 ,8 1,1 HB HB HB HB HB HB k Mpy = b# ; = = = = = k Mpz k Mpz k Mpy k Mpx k Mpx 190 190 190 190 190 190 0E
f= B38 -, ^ !F # 6D # M7 € # 8 -, Ks 13G $ %^ ! F- ) ˆ3G7 Cv V60 = % : m/ p t .s yv xv 1 $ %^ !F ˆ ?G7 ?G Cv $ 8 C 4+ F~ • V60 = % &_ F- m/ p .s yv a$ A #~ n)T • Cv 8)$ 4^ V120 = % < ' m/ p .s yv ;)d $ a^ p ) f= BN b &< 4^ 8) ): 4^ p ;)d ) cC # K 8 < # • < 1Z @ # n)T # 4^ ): 4^ p A ~ € 8) ;) 8) ;) ) ) a ≤ Gd?0 BSdS % Gd GdB Gd0G Gd?0 Gd?0 : d3 Gd33 ?Bd Gd33 a • Gd?0 % M7 M 2 % &_ • 3dNN • Gd33 • • • σ bp = 75 KG / mm 2 F- c< • 0dB • Gd0 • • • ' a ≤ Gd?0 30dG % Gd?0 • • • Gd? b# ƒ : a • Gd?0 B3dG Gd0 • • • f 0G % &_ • dB • Gd0 • • • F- a ≤ Gd?0 • b# ; % • • ?BdN Gd G Gd 0 f SG : a • Gd?0 • • • ? d3 GdBG 0S
% &_ • • • • SdNE • GdB F- a ≤ Gd?0 • c # f • • SS Gd?0 Gd ? ˆ GG ÷ BG a • Gd?0 • • • 3 Gd0G f= BE 4^ =. # "# )Z @ # 4^ = 1Z @ # . # % M7 6 8 Œ Gd3‰ dG 8 • Gd3‰ GdE0 % M7 ( ! d? % M7 & k& • \k . #k & • @7 \ k & • \• @7 \ k & • k& • @ 7 \ • GdE k& • \ •) •&# % M7 & • . #k & •4@ k4@ • . # GdN % M7 Gd3 0÷3 H B÷3 c #•&# B÷0 Y@ ): A7 w 4^ Kµv f= BS 8 -, 1Z @ # % M7 b# &Ž b# ; c # n n n n 75 150 190 120 k µv = 8 - k µv = k µv = k µv = σ bp HB HB HB 1Z @ # a^ p % M7 ( ! d 6 d& dN0 3G
% M7 & • \d # #d & • # #d & 4@ • d0 # #d & • 4@ d 4@ • # #d & • \ • # # % M7 & • @7 \ d & • \• @7 \ d & • d?0 @7 \ • d M7 b# ƒd # ; ): # dN f= BG 4^ , ^ !F H+ ^ = 4^ J c] I H @ %& 8 % : ^ KM ! 8 ! 7 d GdS0 GdS GdE P ^b I G B0 3G SG ϕ = , J ^ 4^ !F % M7d )Z w b 6D M7d A7 ?3 GdEB Gd33 I O@ ): t ϕ , b# d? GdEE GdN A7 • d GdE ϕ b G 0 ?G G B0 b I 4^ GdSN GdSB GdS GdEN 7 /ϕ f f , & ? B , ~ • u 3
4^ GdS dG0 d? G; G 3; 3 ?G;?G ?G; G G; G G;B0 BG;3G 3G;SG φG 3;?0 ?G; G ?0;BG BG;BG ?;?G % + ?; ? % φ?G G; 3 φ 3 φG φBG φ? #~ • φ?0 + # b# GdEN GdS GdS GdSN dGB dGE d? dS 4^ % M7 GdS GdS0 GdSN GdSE dG? dGB dG3 dGS c! T & X ~ • E # 1Z @ Gd0 d0 ? d0 ? d0 B # 4^ X GdS GdS0 GdSN • • • • &! % % &Ž % % M7d # &_ F GdE0 dGG • • • • • • - % • • • GdS GdSB GdS0 GdSN "# # : % GdSB GdS3 GdSN • • • • & X& % ; &_ F GdE0 GdS GdS0 • • • • T c! - b# H+ ^ = 4^ J 8 )r - - K %& % 8 ;u6[ )r 6C A7 A7 - % M7 b# % M7 b# X GdN0• GdE0 GdN • GdE GdS • GdS0 Gd0 • Gd3 Gd0 • Gd3 GdN • GdE % M7 1Z @ % M7 SGt a 8€ GO 8€ ?GO # Gd3 Gd0 ): Œ 3?
% i 6C # ~7 w • # @ G 3G SG ?G ?BG 3G M7d 1Z # 4^ 7d Xd dGS GdS0 GdS? GdE0 GdEG &! % 6D F dS GdS GdE GdN Gd3B w - &_ % M7d )Z % w c< • • dGS GdE GdN? ' # dGN GdS3 GdS GdEN GdEB X d GdSB GdSG GdE GdN3 b# ; = d3 GdS GdEB GdN Gd33 @ A7 = %2 d? GdEE GdE Gd33 Gd0E O@|t @ A7 %2 € € & *y 8 1 & X X 4^ dG0 d0 H # M7 #d # ): A7 d &< ^ !F, A 7= +) 4^ =. # J 6= B %& A7 5 , )Z @ # & 6= B Ed ^ !F \ 6= BE†BS7 = +) 4^ Kt) \ 6= B H ] ^= J ^ ! F7= +) 4^ & 6= B 8 - , ^ !F # 6D # A7 - J 6= 7 / @/ H 5, )Z @ # & 6= ?Ed &< ^ ! F7= 3
+) 4^ Kt) & 6= 7 / @/ H : &#d - ) e @ )Z @ # d^ ! F7= +) 4^ =. # & 6= BS %&I ( )Z ^ F 9 p A &# & 6= & ): 4# @2 \ 4 )T ># ( =@ _@ 9 H 2 7= , &< = )Z ^ $ $ C 7- E< + -# f= @A # 6: d 6: 6 BG & 6= N 3 J # %, ^ !F 6: &I 6: ^ I : ~6= ? • G• %, ^ !F 6: # p ^ : 7= +) 4^ & 6= ?8 42 / , &I ^ # A7 - fK3 ): 7 = +) 4^ R " # ? %^ !F # 2ƒ 2 @2 4# $ / ) ˆ N0÷ GG n• • €# 6D M7 / 1 ≤ GG n7 •K # 6D # M7 1 ≤ EGG n7 •b# 6D # A7 - 8 42 F / , \ - 4# $ Pz .v Nθ = KW 60.102 *‘ @: @( F y - ~Kb• 1 @: )+ ^ F n7 K # C # / ' 42 / 6D i 3B
4 2 "# e # f= B A # 6: 8 C 4+ F~ • b 1Z @ I ≤0 ≤? ≤ ?G ≤G •G # ϕG , A #~ n)T • G d0 • 0d0 d0 • 0dG ?dE • BdG ?d • d0 • % M7 B0 • N0 ?d0 • B ?d0 • d0 ?dG • dG d0 • ?d0 d? • dE SG • ?dG • dG d0 • ?dG d? • ?dG • d0 G BdG • 3dG BdG • 0d0 d0 • 0dG ?d0 •BdG • b# B0 • N0 dG • Bd0 dG • BdG ?d0 • d0 dE • ?dE dB • ?dG SG dG • Bd0 ?d0 • d0 ?• dB • ?d d? • dE 8w ,$ :? '# +% % V l .5 m 9 .k l [ + F ÷ GH * 9 .k l $c U + 6n < +% T -? '# +% . !6 L I% < h L %> +% f= B? 4^ , ^ ! F &I 6#T # ): ;9 8C :: &' #~ • t 0G GG 0G ?GG GG 0GG 4^ f: GdSB GdES GdE GdEG GdNN GdNG # Y9 GdN Gd3N Gd3 Gd3G Gd0N Gd0? 7778K 6 * 1L D 8 C 4+ # )Z @ X ˆ ~ • ): # &! ˆ 2 D−d ~ • 2 €†c , #~ • 30
•c , @L _ # & ~ • A # #)$ tp # 6D M7 / / : M7 J f= B tp # F = A7 - J 6= 3 A # # &! $ tp # M7 / / 6= 0 † tp # F A7 - 6= N B A # # 6D p # : M7 6D M7 / / c H 1Z @ # σbp kg/mm2 , b# f % M7 # c EG %e EG %e GG c ?GG %e ?GG ~ • # GG 8 # a~ n )T • GdGE÷Gd E GdG3÷GdG B GdGB÷Gd G Gd B÷GdG GdGE÷Gd?G c 0 GdG3÷Gd GdG0÷Gd G GdGB÷GdGE Gd G÷Gd? GdG3÷Gd 0 GdGB÷GdGE ?dG ÷GdGN GdG?÷GdG0 GdGN÷Gd 0 GdGB÷Gd G Gd?G÷Gd N Gd 0÷Gd?E ÷Gd? Gd 3÷GdN0 Gd??÷GdB Gd %e 0 Gd ?÷Gd?N Gd ?÷Gd? GdGE÷Gd 3 Gd?B÷Gd00 Gd 3÷Gd G Gd G÷Gd E GdGN÷Gd B GdG0÷Gd Gd E÷Gd 0 Gd ÷Gd?? Gd E÷Gd3B Gd G÷GdBE Gd?B÷Gd E GdNB÷ d? GdB0÷GdNN %e G Gd?E÷GdB0 Gd? ÷Gd ? Gd 3÷Gd?3 Gd00÷GdE? Gd B÷Gd0E ?G Gd E÷Gd ? ÷Gd? ÷Gd N Gd 3÷Gd0? Gd? ÷Gd N Gd Gd Gd33÷GdE? Gd0G÷Gd3? Gd S÷Gd0G d?÷ dN GdEG÷ dG0 %e ?G GdB3÷Gd0E Gd ?÷GdBG Gd?3÷Gd B GdEB÷ dG Gd3G÷GdN3 G ÷GdB? Gd? ÷Gd?N Gd N÷Gd?0 Gd00÷Gd3E Gd E÷GdBE Gd 33
GdS÷ dG GdN÷GdE Gd3÷GdN dB÷ dE ÷ d? d %e G Gd3÷GdN Gd0÷Gd3 GdB÷Gd0 dG÷ d GdEG÷GdSG 3G Gd0÷Gd3 Gd ÷GdB Gd ÷GdB GdNG÷GdN0 Gd0G÷Gd00 $ [ < h * %+ -5 A ,N - ? '# +% J > @ Va h & .5 > ! %% V ,3 DB & k > g * %+ J- R* > g * %+ J %& * k -o ]L '# +% 0 6 . U +% Va +# :? '# +% 5 $ %% 5 ' 6 > V % 6 V< % 7 1+ > g * %+ BB 4^ C u @A # 7 / ): C 4+ # ~^) ! #• %u 4^ `# C 4+ #) 0 N G L , p # x D 4^ GdS GdE GdN0 a B0 A # # &! @L l p # 6D M7 / / : M7 1Z @ # c % M7 ): w 6D M7 b# , p H # a~ n)T • #~ • H # GdN÷ d GdB÷Gd0 GdN÷ d d0÷GdN Gd ÷GdB d ÷ d0 G G GdB0÷Gd c ?0 GdE÷ d? Gd3÷GdE GdB÷Gd0 d?÷ d3 GdE÷ d 0 3 3N
GdN÷ d GdB÷Gd0 GdN÷ d Gd0÷GdN Gd ÷GdB dG÷ dB G GdE÷ d GdB0÷Gd %e ?0 GdN÷ d Gd3÷GdN Gd ÷GdB d ÷ d0 0 G ? 00 ?G GdE÷ d? Gd3÷GdE GdB÷Gd0 d?÷ d3 GdE÷ d Gd0÷Gd3 ? GdN÷ d GdE÷ d? Gd0÷GdN Gd ÷GdB dG÷ d3 GdB÷Gd0 0 GdE÷ d %e BG GdS÷ d? Gd3÷GdE GdB÷Gd0 d ÷ dN Gd0÷Gd3 ?G 0G ? G GdS÷ d Gd3÷GdE GdB÷Gd0 d?÷ dE Gd3÷GdN GdE÷ d GdS÷ d GdS÷ d? Gd3÷GdE GdB÷Gd0 d?÷ dE Gd0÷Gd3 %e BG ?G dG÷ d dG÷ d GdN÷GdS GdB÷Gd0 d ÷?dG Gd3÷GdN 0G G B BG dG÷ dB GdE÷GdS Gd0÷dG3 d ÷?dG GdN÷GdE dG÷ d B GdS÷ d Gd00÷Gd ? GdS÷ d? GdN÷GdE GdB÷Gd0 d?÷ dE G GdS÷Gd 3 %e 0G dG÷ d GdE÷GdS GdB÷Gd0 d ÷?dG BG Gd3÷GdN 3G 0G dG÷ dB GdE÷GdS Gd0÷dG3 d ÷?dG dG÷ d GdN÷GdE B $[ & 9> '# +% J I% 0 S ^ 6! .5 * %+ 89 @A # # # ~f= B † B 3• A # @ 2~ •l # @^ & 7 - $ #• K 4# X 4# 27 , ; 0 3E
6 • a# T # 6D ! 4^ / / A # & 6' ~ •l # @L & 7 A - )` !7 : r $ #• K 4# X 4# 27 , ; 0 6• a# T # 6D ! 4^ / / • %&-5 F &\ 6D #& f= B3 A # # 6D p # F A7 - 1Z @ # % M7 # c M7 K # l < K l < 6 , !@ I• •; !@ A7 p % M7 !- U8 b# !- # σ6700÷E0 f> NG c BG BG 00 3B f NG ~ • ? n A # a~ n)T • Gd ?÷Gd 3 Gd?0÷GdB0 Gd?G÷Gd 0 G Gd B÷Gd?dG Gd ÷Gd0 Gd?G÷Gd 0 ? Gd 3÷Gd?? Gd 0÷Gd3 Gd?0÷GdBG 3 GdGB÷GdG0 Gd?G÷Gd?3 GdB÷GdN Gd?0÷GdBG GdG GdG?0 GdG? ?G ? Gd??÷Gd?E GdB0÷GdE Gd G÷GdB0 ?3 Gd?B÷Gd ? Gd0÷GdE0 Gd 0÷0G ?S Gd?3÷Gd 0 Gd0÷GdSG GdBG÷G 3G $ [ < h * %+ -5 A ,N J h \ ! 6p %% V .5 ! C V ,3 q g * %+ - ? *> [4 3S