【正文】 ...................................................................................9 刀片尺寸.................................................................................................................10 理論空行程次數(shù).....................................................................................................10 剪切力的計算 .................................................................................................................10 單位剪切阻力曲線.................................................................................................10 最大剪切力.............................................................................................................11 電機容量的選擇 .............................................................................................................13 = f(α)曲線繪制 ......................................................................................................13=f(α)曲線的繪制 .....................................................................................................13 偏心軸上的靜力矩計算...........................................................................................13遼寧科技大學本科生畢業(yè)設(shè)計 （論文） 第 V 頁4 主要零件的強度計算 ......................................................................................19 曲軸的設(shè)計 .....................................................................................................................19 曲軸的計算 .....................................................................................................................20 齒輪的計算與校核 .........................................................................................................21 選定齒輪類型，精度等級，材料及齒數(shù)...............................................................21 設(shè)計計算齒面接觸接觸強度 ......................................................................................22........................................................................................................22.................................................................................................................22 按彎曲疲勞強度進行較核設(shè)計...............................................................................23 皮帶輪的計算 .................................................................................................................25 確定計算功率.........................................................................................................25 選擇帶型.................................................................................................................25 參數(shù)的計算.............................................................................................................25 確定中心距 a 和帶的基準長度 Ld .......................................................................25 驗算主動輪上的包角 α........................................................................................26 確定帶的根數(shù).........................................................................................................26 軸承的計算 .....................................................................................................................26 初選軸承.................................................................................................................26 驗算軸承的平均壓力 P..........................................................................................27 驗算軸承的 PV........................................................................................................27 驗算滑動速度.........................................................................................................27 大帶輪上鍵的計算 .........................................................................................................27 初選鍵及參數(shù)...........................................................................................................27 校核鍵的強度.........................................................................................................27 ..............................................................................................29 潤滑 .................................................................................................................................29 軸承.........................................................................................................................29 開式齒輪.................................................................................................................29遼寧科技大學本科生畢業(yè)設(shè)計 （論文） 第 VI 頁 離合機構(gòu)— 滑塊.....................................................................................................29 減速機.....................................................................................................................29 牙嵌式離合機構(gòu).....................................................................................................29 添加劑 .............................................................................................................................30 添加劑的作用 .................................................................................................................30 潤滑方法 .........................................................................................................................30 潤滑脂優(yōu)點和選擇注意事項 .........................................................................................30 ..............................................................................31 設(shè)備的可靠性 .................................................................................................................31 機械設(shè)備的有效度 .........................................................................................................31 設(shè)備的經(jīng)濟壽命的計算 .................................................................................................31 投資回收期計算 .............................................................................................................33結(jié)束語 .........................................................................................................