【正文】 ......................................................... 39 軸的結(jié)構(gòu)設(shè)計(jì) .................................................................................... 39 軸的校核計(jì)算 .................................................................................... 41 滾動(dòng)軸承的選擇及壽命校核 ........................................................... 45 鍵聯(lián)接選擇及校核 ................................................................................... 45 減速器潤滑方式、密封形式 .................................................................. 47 第 5 章 傳動(dòng)帶的設(shè)計(jì) .......................................................................................... 49 確定計(jì)算功率，選擇 V 帶型號(hào) ............................................................. 49 V 帶型號(hào)的初選 ................................................................................ 49 V 選擇帶輪的基準(zhǔn)直徑和驗(yàn)算帶數(shù) ................................................... 49 確定中心距 a 和 v 帶的 基準(zhǔn)長度 dL .............................................. 50 帶輪的設(shè)計(jì) ............................................................................................... 52 第 6 章 鏈傳動(dòng)的設(shè)計(jì) .......................................................................................... 54 滾子鏈的結(jié)構(gòu)特點(diǎn) ................................................................................... 54 滾子鏈傳動(dòng)的設(shè)計(jì)計(jì)算 ........................................................................... 55 鏈傳動(dòng)的失效形式 ............................................................................ 55 鏈傳動(dòng)的布置、張緊和潤滑 .................................................................. 58 鏈傳動(dòng)的布置 .................................................................................... 58 鏈傳動(dòng)的張緊 .................................................................................... 58 鏈傳動(dòng)的潤滑 .................................................................................... 58 鏈輪的結(jié)構(gòu)和材料 ................................................................................... 59 鏈輪的主要尺寸 ................................................................................ 60 結(jié) 論 ................................................................................................................. 62 致 謝 ................................................................................................................. 63 參考文獻(xiàn) ............................................................................................................. 64 VI CONTENTS ABSTRACT ...............................................................................................................II Chapter 1 Introduction ......................................................................................... 1 Overview of tablet press ............................................................................. 1 Development at home and abroad .............................................................. 2 The presses’s status of China ............................................................. 2 Status of foreign presses ...................................................................... 4 The design task ............................................................................................ 6 Chapter 2 The overall design of a tablet machine ............................................ 7 The subject of design ................................................................................. 7 Rated data ............................................................................................. 7 General Functional Analysis ............................................................... 7 Theory of work..................................................................................... 8 The design of mechanical motion programs and institutions ................... 7 The implementation ponent of the movement ............................. 7 Development of motion cycle chart .................................................... 8 Determine main ressureagency programs ......................................... 9 Selection institutional programs.......................................................... 9 Chapter 3 Press agencies and the design of cam mechanism ........................ 12 The fourbar linkage hinge ....................................................................... 12 The design of linkage ................................................................................ 13 Application of cam ................................................................................... 14 Cam Categories ......................................................................................... 15 Classification according to the shape of the cam ............................. 15 Classification according to the shape of follower ............................ 15 Cam Profile Design ................................................................................... 15 VII Design of cam profile by mapping .................................................... 15 Chapter 4 Design of gear .................................................................................. 195 Mapping and structural analysis of gear .................................................. 19 Analysis of the work of the transmission system ............................. 19 Analysis and Calculation of Transmission Sports ................................... 20 Determine the motor type .................................................................. 20 Calculation of transmission gear ratio and efficiency...................... 21 Calculation of the shaft’s speed power and torque........................... 21 The design of highspeed stage gear ....................................................... 22 By gear surface contact strength design ........................................... 22 Design by 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