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each part, the methods of how to connect and fix them, and sequence for disassembly. 弄清各個零 、 部件的作用和它們之間的相對位置 、 裝配關(guān)系 、 連接和固定方式 , 以及拆裝順序等; 1) Understand the performance, function and working principles of the machine or subassembly. 了解機器或部件的性能 、 功用和工作原理; Three items should be stressed for the objectives and requirements of reading assembly drawings 讀裝配圖的目的和要求 ,主要有以下三點: 3) Read the structural shape of each part. 看懂各零件的結(jié)構(gòu)形狀。 Objectives and requirements 讀圖的目的和要求 請點擊鼠標(biāo)左鍵顯示后面內(nèi)容 1) The name, purpose, and specification 了解機器或部件的名稱 、 用途和規(guī)格 1. Understanding briefly 概括了解 Methods and Steps 讀圖的方法和步驟 請點擊鼠標(biāo)左鍵顯示后面內(nèi)容 2) Understand the position of the machine or subassembly. 了解機器或部件的組成 。 1) Analyze each view. 對各視圖進行分析。 3) Start from the view most clear representing the main assembling 。 The aim is to understand the relative position, joint, fitting requirement, transmission relation (drivingdriven), and mounting relation (movablefixed) with which one can analyze the working principle and understand the dismounting sequence, inspection condition, and usage and maintenance. 由各視圖對應(yīng)起來看懂各零件的相互位置 、 聯(lián)接形式 、 配合要求及傳動關(guān)系 (主 ——從 )和裝配關(guān)系 (動 ——靜 ),由此分析其工作原理 , 并了解部件的裝拆順序 、 驗收條件和使用 、 維修注意事項等 。 3. Imaging the structural shape 想象結(jié)構(gòu)形狀 Methods and Steps 讀圖的方法和步驟 請點擊鼠標(biāo)左鍵顯示后面內(nèi)容 (1) Separating the key parts 分離出關(guān)鍵零件 1) Locate the parts according to its name and item block。 根據(jù)同一零件的剖面線在各視圖中一致的特點 , 將該零件與其他零件 區(qū)分開來 ; 3) According to the thirdalignment rule and analysis of lines and faces, determine the structural shape of the part.. 根據(jù)三等規(guī)律和線面分析法,研究 確定 該零件的結(jié)構(gòu) 形狀 。 2) Consult related standards bef