【正文】
L2 L L F39。3 = F3 L L3 L F3 = F3 L3 m39。 r39。 F39。 F39。1 + F39。2 + F39。3 +F39。 = 0 F1 + F2 + F3 +F = 0 從而求得 m39。r39。和 mr 。 m F r L1 L2 L3 L F1 F2 F3 r1 m1 m2 r2 m3 r3 Ⅱ Ⅰ F2 Ⅰ F1 Ⅰ F3 Ⅰ F2 F1 F3 Ⅱ Ⅱ Ⅱ 步驟: (1) 分別將各回轉(zhuǎn)平面上集中質(zhì)量點 mi所產(chǎn)生的慣性力 Fi (或質(zhì)徑積、重徑積 )向兩個平衡基面上分解,得到 F39。i和 Fi 。 (2) 分別在兩個平衡基面上用靜平衡的方法求解平衡質(zhì)量點的質(zhì)徑積 mi ri(或重徑積 )。 1. Static Balancing Experiment 靜平衡實驗 167。 64 Balancing experiment of rigid rotor 靜平衡試驗臺 Balancing Experiment動平衡實驗 balancing現(xiàn)場平衡 167。 65 Balancing of planar mechanisms Condition for balancing of mechanisms: The total inertia force and inertia torque acting on the center of mass are zero. 機構(gòu)平衡的條件 作用于機構(gòu)質(zhì)心的總慣性力和總慣性力偶矩應(yīng)分別為零。 balancing of mechanism (1) make use of symmetrical structure to balance (2) make use of balancing mass to balance balancing of mechanism (1) make use of balancing mechanism to balance (2) make use of balancing mass to balance (3) make use of spring to balance. 本章結(jié)束 謝謝觀看 /歡迎下載 BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH