【正文】 低碳鋼板（如08 鋼板）沖壓成比較復雜的形狀。 3） 對中問題 離合器蓋內裝有壓盤、分離桿等零件，因此它相對發(fā)動機飛輪曲軸中心線必須要有良好的定心對中， 否則會破壞系統(tǒng)整體的平衡，嚴重影響離合器的正常工作。本次設計取 φ =?；ㄦI的結構尺寸可根據從動盤外徑和發(fā)動機轉矩按 GB11442022 矩形花鍵尺寸 、 公差和檢驗 選取 (見表 31)。 由表 31 選取得： 花鍵齒數 n=10； 花鍵外徑 D=40mm； 花鍵內徑 d=32mm；鍵齒寬 b=5mm； 有效齒長 l=40mm；擠壓應力 ? =； 校核計算如下： ? ? Mpaz nldD ej ]401013240/[ 22322 m a x ??????????? ）（）（? ? ? Mpaz nl bdD ej ]405101)3240/ [(4 3m a x ???????????? ）（? j? = ? ? MPaj 30?? ? ； j? = ? ? MPaj 15?? ? 符合強度得要求。 傳力銷的拉伸應力為 ? ? M P P422 ??? ?????? ?? 拉 式中， P 為作用在傳力銷上的力， N； 23 d 為傳力銷根部直徑， cm； n 為傳力銷數目。有時將其外緣的盤形部分磨薄至 ～，以減小其轉動慣量。一般可按下式初選為 T? =（ ～ ） Temax 【 2】 取 T? = = * = Nm （ 3）扭轉減振器的預緊力矩 一般選取 T預 =（ ～ ） Temax 取 T預 = = * = （ 4）扭轉減振器的彈簧分布半徑 減振彈簧的分布尺寸 R0 的尺寸應盡可能大一些，一般取 R0 =（ ～ ） d/2 =（ ～ ） 175/2 =（ ～） mm 同時滿足 R0 ≤（ d50） /2 = (17550)/2 = 其中 d 為摩擦片內徑，代入數值，得 R0 =60 mm。 （ 2）選擇旋繞比，計算曲度系數 根據下表選擇旋繞比 表 旋繞比的薦用范圍 d/mm ~ 1~ ~ 6~ 16~7 42~18 C 14~7 12~5 10~5 9~4 8~4 6~4 確定旋繞比 5?C ，曲度系數 )44()14( ????? CCCK （ 3）強度計算 26 ? ? ?? ????? 33??CKPdj mm，與原來的 d 接近，合格。8 34????kkkDGdnc 彈簧的中徑 CD ：一般由結構布置來決定，通常 CD =11～ 15mm左右。m in0 ?????? lll mm （ 9）減振彈簧預緊變形量 301??? ??? k Z RTl ? mm （ 10）減振彈簧的安裝高度 ?????? lll mm (11)限位銷與從動盤缺口側邊的間隙 λ ?? sin2R? 一般為 ～ 4mm。 39。其中 r1=c2+rf=103mm,R1=c1+c2+rf=119 mm。綜上所述并根據校核 S1= 符合 25mm＜ S1＜ 50mm 的要求。 校核踏板力 踏板力 Ff 可按下式計算： 式中， F＇為離合器分離時，壓盤上的總工作壓力根據膜片彈簧各參數可得 F＇ =F1C=； i∑為操縱機構總傳動比 15165033 222111122222 ???? ?????? dcba dcbai N； η為機械效率， η=80%～ 90%，我們取 η=85%； Fs 克服膜片彈簧的拉力所需的踏板力，在初步設計時可忽略之。計算得分離離合器所做的功 WL 為 WL=（ +）2103/85%= J 在規(guī)定的踏板力和行程的允許范圍內，駕駛員分離離合器所作的功不應大于 30 J。如果不是他們及時地指出我錯誤，我就會花費大得多的精力，卻只是事倍功半。 34 35 36 37 38 39 40 41 42 程序截圖： 43 程序代碼： Option Explicit Dim e, u, i Dim R0, r00, H, h0 Dim R1, r11 Dim F1, F2, λ, F11, F12, A1, B, C, D, m, n, x, λ1M, λ1N, λ1B, λ1H, λ1f, λ1A, λ1C, ΔS0, ΔS, Zc, Δλ, ε, F, fm, β, D1, D11, Temax, z, P01, A Dim p Dim P0 As Single Private Sub Command1_Click() (, 12022)(12, 2300) (1, 0)(11, 0): (0, 11000)(0, 2022) (, 150)(11, 0) 39。畫縱坐標軸刻度線 (0, 1000 * i)(, 1000 * i) = 1: = 1000 * i + 150: 1000 * i Next i 44 = : = 200: 0 = : = 10700: F1(N) = : = 200: λ(mm) R0 = Val(Text1) r00 = Val(Text2) e = 210000 u = H = Val(Text5) h0 = Val(Text6) R1 = Val(Text7) r11 = Val(Text8) = H / h0 = R0 / r00 Zc = Val(Text19) ΔS0 = Val(Text20) ΔS = Val(Text21) Δλ = Zc * ΔS0 λ1f = Zc * ΔS = Δλ 39。求極大值 (λ, 0)(λ, F1) = λ: = 400: λ1M = λ: = F1 + 400: M λ1M = λ = λ1M End If If F11 F1 And F12 F1 Then 39。求 B點 = : = F1 300: F1B = λ1B: = F1 + 400: B = λ1H = λ1B = F1 39。確定 C 點位置 F1 = ( * e * h0 * λ1C / (6 * (1 u ^ 2))) * (Log(R0 / r00) / Log(10) / (R1 r11) ^ 2) * ((H λ1C * (R0 r00) / (R1 r11)) * (H λ1C / 2 * (R0 r00) / (R1 r11)) + h0 ^ 2) = RGB(150, 50, 100) (λ1C, 0)(λ1C, F1) = λ1C + : = 400: λ1C = λ1C: = F1 + 450: C = F1 39。t agree with the disciplinary action your employer has taken against you your employer dismisses you and you think that you have been dismissed unfairly. For more informu, take advice from one of the anisations listed under Further help. Employment tribunals are less formal than some other courts, but it is still a legal process and you will need to give evidence under an oath or affirmation. Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an employment tribunal, you should get help straight away from one of the anisations listed under Further help. ation about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。s antiracism taskforce, is in London for the Football Association39。s 21 win. Michel Platini, president of European football39。 May be back in the past, to oneself the paranoid weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it. 一字開頭的年齡已經到了尾聲。 The end of our life, and can meet many things really do? 而窮盡我們的一生，又能遇到多少事情是真正地 非做不可？ During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional。t want to。t really grow up, it seems is not so important?？傆X得自己似乎應該去做點什么，或者寫點什么。s actions. CSKA said they were surprised and disappointed by Toure39。s Premier League match at Chelsea on Sunday. I am going to be at the match tomorrow and I have asked to meet Ya ya Toure, he told BBC Sport. For me it39。t charge you more than 35% of your pensation if you win the case. you39。畫λ 1f 線 = λ1B + λ1f / 2 : = 2400: λ1f End If Next λ End Sub 48 Private Sub Command2_Click() End End Su