SW160列車(chē)軸箱體加工工藝規(guī)程制訂及夾具設(shè)計(jì)

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摘要
本文介紹了SW160轉(zhuǎn)向架定位轉(zhuǎn)臂機(jī)械加工工藝、夾具設(shè)計(jì)。機(jī)械加工工藝、夾具與數(shù)控程序設(shè)計(jì)是機(jī)械制造及其自動(dòng)化專(zhuān)業(yè)學(xué)習(xí)的一個(gè)重要內(nèi)容，也是我全面綜合運(yùn)用本課程及其有關(guān)課程的理論和實(shí)踐知識(shí)進(jìn)行加工工藝及夾具結(jié)構(gòu)設(shè)計(jì)的一次重要實(shí)踐。
SW160轉(zhuǎn)向架定位轉(zhuǎn)臂是地鐵車(chē)輛轉(zhuǎn)向架部件中最重要的零件之一，它的外形復(fù)雜，形狀精度、尺寸精度和位置精度要求都比較高，并且相互間關(guān)系也錯(cuò)綜復(fù)雜。該工件毛坯采用精密鑄造而成，為提高加工精度，減少多次裝夾所帶來(lái)的工序間累積誤差，希望在臥式座標(biāo)鏜床或加工中心上采用工序集中的方式加工。

關(guān)鍵詞：轉(zhuǎn)向架定位轉(zhuǎn)臂；機(jī)械加工工藝；夾具；


Abstract
This article introduced the bogie localization Rotatting the arm machine-finishing craft, the jig and the numerical controlprogramming. The machine-finishing craft, the jig and the numericalcontrol programming is the machine manufacture and its an automatedspecialized study important content, also is I comprehensivelysynthesizes utilizes this curriculum and its the related curriculumtheory and the practice knowledge carries on the processing craft anda jig structural design important practice.
The localization Rotatting the arm is in the subway car truck part one of mostimportant components, its contour complex, the shape precision, thesize precision and the position precision request quite is all high,and mutually between relates also intriguingly. This work piecesemifinished materials use the precision casting to become, for theenhancement processing precision, reduces the working procedure whichthe attire clamps many times brings the accumulated error, hoped usesthe working procedure centralism in the horizontal-type processingcenter the way processing.

Keyword: Bogie localization Rotatting the arm; Machine-finishing craft; Jig;


目錄
摘要 I
Abstract II
目錄 III
第一章 緒論 1
1.1 課題的目的和意義 2
1.2 本課題相關(guān)領(lǐng)域的現(xiàn)狀 4
1.3 本課題相關(guān)領(lǐng)域的發(fā)展趨勢(shì) 5
第二章 SW160轉(zhuǎn)向架定位轉(zhuǎn)臂方案分析 7
2.1 工藝方案 7
2.1.1 定位轉(zhuǎn)臂主要加工要求 7
2.1.2 定位轉(zhuǎn)臂的加工工藝過(guò)程 7
2.2 轉(zhuǎn)向架定位轉(zhuǎn)臂工藝計(jì)算： 10
2.2.1 零件機(jī)械加工工藝路線(xiàn) 10
2.2.2加工余量的確定方法 11
2.2.3工序尺寸及其公差計(jì)算 12
第三章 機(jī)械加工工藝設(shè)計(jì) 13
3.1 機(jī)械加工工藝規(guī)程設(shè)計(jì) 13
3.1.1 轉(zhuǎn)向架定位轉(zhuǎn)臂生產(chǎn)類(lèi)型及其工藝特征 13
3.1.2零件表面加工方法的選擇 13
3.1.3 轉(zhuǎn)向架定位轉(zhuǎn)臂機(jī)械加工工藝規(guī)程制定 14
3.2 轉(zhuǎn)向架定位轉(zhuǎn)臂零件的結(jié)構(gòu)工藝性 15
3.2.1 轉(zhuǎn)向架定位轉(zhuǎn)臂結(jié)構(gòu)工藝性分析 16
3.2.2 轉(zhuǎn)向架定位轉(zhuǎn)臂加工中定位基準(zhǔn)的選擇 17
3.2.3 轉(zhuǎn)向架定位轉(zhuǎn)臂工藝路線(xiàn) 17
3.2.4 轉(zhuǎn)向架定位轉(zhuǎn)臂工序集中與工序分散 18
3.3工序設(shè)計(jì) 19
3.3.1選擇加工設(shè)備 19
3.3.2夾具的選擇 22
3.3.3刀具的選擇 22
3.4 工藝定位精度分析與計(jì)算 23
3.4.1 工序2切削用量及基本時(shí)間的確定 23
3.4.2 工序3切削用量及基本時(shí)間的確定 23
3.4.3 工序4切削用量及基本時(shí)間的確定 24
3.4.4 工序5切削用量及基本時(shí)間的確定 25
3.5 夾緊力的分析與計(jì)算 25
3.5.1 第一次安裝時(shí)夾緊力 25
3.5.2 第二次安裝時(shí)夾緊力 26
第四章 轉(zhuǎn)向架定位轉(zhuǎn)臂夾具設(shè)計(jì) 28
4.1定位方案 28
4.2夾緊方案 28
4.3對(duì)刀裝置 28
4.4夾具體與機(jī)床的連接 29
4.5夾具體 29
4.6結(jié)構(gòu)特點(diǎn) 29
第五章 總論與收獲 30
致 謝 31
參考文獻(xiàn) 33


參考文獻(xiàn)
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