【正文】 and broach the main line of the pin hole. Bodies simple, easy to operate, and ensure the accuracy of processing Broaching process can be pleted in one trip Broaching process, the processing efficiency. Broach the design using a modular design methods hole Broach, Broach analysis of the characteristics, types, materials and other issues, according to the cutting csshion, size, the workpiece materials designed for tool. Rafah processing tool has high efficiency, highprecision machining characteristics, it was widely machining applications. Keyword: Knuckle, technological manufacturing design, the line of the manufacture, fixture, broach 摘要 ............................................................................................................. 1 ABSTARAC ................................................................................................ 2 第 1 章 緒言 .............................................................................................. 5 一 制定工藝路線 ........................................................................................................... 5 二 夾具設(shè)計(jì) ................................................................................................................... 5 三 專用刀具設(shè)計(jì) ........................................................................................................... 5 第 2 章 零件 分析 ........................................................................................ 7 零件用途與使用環(huán)境 .............................................................................................. 7 零件結(jié)構(gòu)分析與工藝分析 ...................................................................................... 7 計(jì)算生產(chǎn)綱領(lǐng)，確定生產(chǎn)類項(xiàng) ............................................................................. 10 第 3 章 轉(zhuǎn)向節(jié)機(jī)械加工工藝規(guī)程 .......................................................... 11 制定毛坯 .................................................................................................................11 基準(zhǔn)的選擇 ..............................................................................................................11 工藝路線的制定 .................................................................................................. 12 定位基準(zhǔn)的選擇 ..................................................................................................................................... 12 加工經(jīng)濟(jì)精度與加工方法的選擇 .......................................................................................................... 14 加工階段的劃分 ....................................................................................................................................... 15 擬定工藝路線 ......................................................................................................................................... 16 確定加工余量及毛坯尺寸、設(shè)計(jì)毛坯圖 ............................................................ 18 毛坯機(jī)械加工余量確定 ........................................................................................................................... 18 設(shè)計(jì)毛坯圖 ................................................................................................................................................ 19 工序設(shè)計(jì) ................................................................................................................. 20 工序加工余量與加工尺寸 .................................................................................. 20 重要工序的詳細(xì)介紹 ................................................................................................................................ 23 工序 1：銑上下耳內(nèi)外端面 ............................................................................................................................. 23 工序 2：鉆、擴(kuò)主銷孔 ...................................................................................................................................... 24 工序 3：車軸頸臺(tái)肩及端面 ............................................................................................................................. 25 工序 10：鉆鉸錐孔 ............................................................................................................................................ 25 工序 14：精磨軸頸 : ........................................................................................................................................... 26 重點(diǎn)工序加工精度保證措施 ................................................................................................................... 27 第 4 章 夾具設(shè)計(jì) ...................................................................................... 29 夾具概述 ................................................................................................................. 29 機(jī)床夾具及其組成 .................................................................................................................................... 29 機(jī)床夾具的分類 ........................................................................................................................................ 29 機(jī)床夾具的功用 ........................................................................................................................................ 29 工件在夾具上的定位 ................................................................................................................................ 30 工件在夾具中的夾緊 ................................................................................................................................ 31 拉主銷孔夾具設(shè)計(jì) ................................................................................................. 33 研究加工圖樣 ............................................................................................................................................ 33 擬定夾具的結(jié)構(gòu)方案 ................................................................................................................................ 34 第 5 章 拉刀設(shè)計(jì) ...................................................................................... 37 分析拉刀特點(diǎn)與零件拉 削數(shù)據(jù) ............