第9章装配图的部件测绘和画图.ppt

本 小 节 结 束 * * Mapping the Units and Representation of Assembly Drawings 部件测绘与画装配图的方法 Exercises 练习题 Mapping the Units and Representation of Assembly Drawings  部件测绘与画装配图 请点击相应标题显示其内容 Mapping the Units and Representation of Assembly Drawings  部件测绘与画装配图方法 5. Preliminary drafting 画出底稿 6. Completing the entire drawing 完成全图 7. Final check 全面校核 1. Understanding the subassembly 了解部件 4. Determining the representation 确定表达方案 请点击鼠标左键显示后面内容 2. Drawing the assembly schematic drawings 画装配示意图 3. Mapping the assembly 测绘装配体 3. Draw an assembly drawing of flat nose pliers on A2 sheet (scale 1:1). 在A2图纸上，按1?1的比例拼画平口钳装配图。 Exercises 练习题 请点击相应题目显示其内容 2. Make an assembly drawing according to the axonometric projection of a low pulley device on A3 sheet (scale 1:1). 参照低速滑轮装置的轴测图, 用 A3 图纸按1?1比例由零件图拼画其装配图。 1. Make an assembly drawing according to the pulley device on A4 sheet . 参照带轮装置的立体图, 用A4图纸由零件图拼画其装配图。 谢谢您的认真学习！ 退出 前一页 Understanding the subassembly 了解部件 请点击鼠标左键显示后面内容 Make the purpose, working principles, fitting relationships, transmission routes of the assembly and the basic structures of the major parts very clear, and then produce an assembly sketch map. 弄清装配体的用途、工作原理、装配关系、传动路线及主要零件的基本结构。 Take flat nose clamps as an example 以平口钳为例 Making the purpose clear 用途 (2) Working principle and transmission route 工作原理与传动路线 (3) Fitting relationship Basic structures of the major parts 装配关系及零件基本结构 Analysis of the representation of a flat nose clamp assembly drawing 平口钳装配关系轴测图 Sketch map of a flat nose pliers assembly 平口钳装配关系示意图 Sketch map of a flat nose pliers assembly 平口钳装配关系示意图 主视图沿前后 对称面全剖 左视图沿此面 半剖或局部剖 俯视图在螺钉联接处局部剖 用局部向视图表达该件形状 用局部放大图表达该螺纹牙形 用断面图表达轴端切平面结构 Sketch Determining the representation 确定表达方案 Draw the border and title block. 画图幅边框、图框及标题栏。 General steps for preliminary drafting (Using 2H or H pencil and compass):