【正文】 28209/8796093022208*sin(1/15*pi*t))^(3/2)/(1100*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t)))^(1/2)*cos(1/15*pi*t)+3866730713334079/105553116266496*sin(1/15*pi*t)*pi/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^(1/2)/(1100*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t)))^(3/2)*(40/3*cos(1/15*pi*t)/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))*sin(1/15*pi*t)*pi+25718055481141045/6597069766656*cos(1/15*pi*t)^3/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^2*pi)+102301070221449928389106432447337821311058920799/163335536122050462462419811567248741498880*cos(1/15*pi*t)^3/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^(5/2)/(1100*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t)))^(1/2)*pi^2+19888959003231586648699840834511/1856910058928070412348686336*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^(3/2)/(1100*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t)))^(3/2)*pi*(40/3*cos(1/15*pi*t)/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))*sin(1/15*pi*t)*pi+25718055481141045/6597069766656*cos(1/15*pi*t)^3/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^2*pi)+58000960700011185/140737488355328*cos(1/15*pi*t)/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^(1/2)/(1100*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t)))^(5/2)*(40/3*cos(1/15*pi*t)/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))*sin(1/15*pi*t)*pi+25718055481141045/6597069766656*cos(1/15*pi*t)^3/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^2*pi)^219333653566670395/70368744177664*cos(1/15*pi*t)/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^(1/2)/(1100*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t)))^(3/2)*(8/9*sin(1/15*pi*t)^2*pi^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))25718055481141045/19791209299968*cos(1/15*pi*t)^2/(8399065679741231/87960機械原理課程設(shè)計（半自動化鉆床） 16 93022208+5143611096228209/8796093022208*sin(1/15*pi*t))^2*sin(1/15*pi*t)*pi^2+8/9*cos(1/15*pi*t)^2/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))*pi^226456735109241957905266207347681/87042659012253300578844672*cos(1/15*pi*t)^4/(8399065679741231/8796093022208+5143611096228209/8796093022208*sin(1/15*pi*t))^3*pi^2) 處理方法和求 V 的時候一樣，最后帶入 excel 中求的 a 的相關(guān)數(shù)據(jù)，見表 2. 表 2 送料機構(gòu)運動分析數(shù)據(jù) α L2 β x v a 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 機械原理課程設(shè)計（半自動化鉆床） 17 155 160 165 170 175 180 185 190 195 200 20 20 205 210 215 220 225 230 235 240 245 250 255 260 265 270 275 280 285 290 295 300 305 310 315 320 325 330 335 340 20 20 345 350 355 360 機械原理課程設(shè)計（半自動化鉆床） 18 注：α為主動件 BC 轉(zhuǎn)過的角度，β為從動件 AB 在不同時刻轉(zhuǎn)過的角度， L2為 AB 在不同時刻的長度； X 為D 點在不同時刻的位移， V 為 D 在不同時刻的速度， a 為 D 在不同時刻的加速度 圖 7 送料機構(gòu)位移圖 圖 8 送料機構(gòu)速度圖 機械原理課程設(shè)計（半自動化鉆床） 19 圖 9 送料機構(gòu)加速度圖 定位機構(gòu) 定位機構(gòu)推程計算公式： 3 4 50 0 02 3 410 0 0 0232120 0 0 010 15 63026032shhvha? ? ?? ? ?? ? ? ?? ? ? ?? ? ? ?? ? ? ???? ? ? ? ? ????