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WG20型蝸桿減速箱體加工工藝規(guī)程及銑側(cè)面夾具設(shè)計(jì)

摘  要

通過對(duì)蝸桿減速箱體的加工工藝路線的確定，該零件的加工以底面作為基準(zhǔn)是合適的，本加工工藝方案滿足粗基準(zhǔn)選擇的基本要求及精基準(zhǔn)選擇的四項(xiàng)原則。本夾具為專用夾具，該夾具的特點(diǎn)是針對(duì)性強(qiáng)、結(jié)構(gòu)緊湊、操作簡(jiǎn)便、生產(chǎn)率高。在本次設(shè)計(jì)中，夾具的設(shè)計(jì)滿足機(jī)床夾具總體方案設(shè)計(jì)的基本要求，充分保證零件加工質(zhì)量，具有較高的生產(chǎn)效率和較低的制造成本以及具有良好的結(jié)構(gòu)工藝性。本次畢業(yè)設(shè)計(jì)的主要內(nèi)容是機(jī)械加工工藝規(guī)程編制和工序?qū)Ｓ脢A具設(shè)計(jì)。我能綜合運(yùn)用機(jī)械制造技術(shù)基礎(chǔ)和其它課程的基本理論和方法，為了能夠完成蝸桿減速箱體機(jī)械加工工藝及銑側(cè)面夾具的設(shè)計(jì)任務(wù)，綜合運(yùn)用所學(xué)的知識(shí)，應(yīng)用正確的設(shè)計(jì)方法，制訂了蝸桿減速箱體的機(jī)械加工工藝規(guī)程。結(jié)合工藝設(shè)計(jì)內(nèi)容，熟練應(yīng)用工藝計(jì)算方法，對(duì)相關(guān)工藝內(nèi)容進(jìn)行了正確的分析設(shè)計(jì)和計(jì)算，如切削力、切削功率、切削速度、工藝參數(shù)、定位誤差、夾緊力等。

關(guān)鍵詞 ：機(jī)械加工 工藝規(guī)程 專用夾具 蝸桿減速箱體

Abstract

Determined by the process of worm gear box, the parts processing to the bottom as the benchmark is appropriate, the processing technology solutions to meet the four basic requirements of the principle of coarse and fine reference datum. The fixture is a special clamp, and the fixture is characterized by strong pertinence, compact structure, simple operation and high productivity. In this design, fixture design and meet the basic requirements of overall design of the fixture, and fully guarantee the quality of machining and has high production efficiency and low manufacturing cost and good structure technology. The main content of this graduation project is the design of machining process regulations and the design of special fixture for the process. Can I the basic theory and method of technology based mechanical manufacturing and other courses, in order to design tasks to complete the worm gear box mechanical milling process and the side of the fixture, the integrated use of knowledge and apply the correct design method, the machining process planning of worm gear box is established. With the content of process design, calculation method of skilled application process, the process of content analysis and design calculation of the right, such as cutting force, cutting power, cutting speed, process parameters, positioning error the clamping force and so on.

Keywords： machining process; special clamp; worm gear box;

目  錄

摘  要 I

Abstract II

第1章  緒論 1

1.1  蝸桿減速箱體綜述 1

1.2  蝸桿減速箱體國內(nèi)外發(fā)展概況 1

1.2.1  蝸桿減速箱體機(jī)械加工工藝發(fā)展概況 1

1.2.2  蝸桿減速箱體夾具發(fā)展概況 2

2.1  蝸桿減速箱體的工藝分析 3

2.1.1  蝸桿減速箱體的作用 3

2.1.2  蝸桿減速箱體的工藝分析 3

2.2  選擇毛坯 4

2.3  確定鑄件機(jī)械加工余量、毛坯尺寸和公差 4

2.4  設(shè)計(jì)毛坯圖 5

2.4.1  確定圓角半徑 5

2.4.2  確定毛坯的熱處理方式 5

2.5  機(jī)械加工工藝路線的制訂 6

2.5.1  選擇定位基準(zhǔn) 6

2.5.2  制訂工藝路線 6

2.5.3  加工工藝過程的分析 8

2.5.4  選擇加工設(shè)備與工藝裝備 8

2.5.5  確定工序尺寸 9

2.5.6  確定切削用量及基本時(shí)間 10

第3章 銑側(cè)面夾具設(shè)計(jì) 23

3.1 指出存在的問題 23

3.2 夾具設(shè)計(jì) 23

3.2.1夾具體設(shè)計(jì) 23

3.2.2 定位基準(zhǔn)的選擇 23

3.2.3 定位方案和元件設(shè)計(jì) 23

3.2.4 定位誤差的計(jì)算 24

3.2.5 夾緊力計(jì)算 25

3.2.6 夾緊機(jī)構(gòu)的設(shè)計(jì) 26

3.2.7 定向鍵與對(duì)刀裝置設(shè)計(jì) 27

3.2.8確定夾具體結(jié)構(gòu)尺寸和總體結(jié)構(gòu) 28

3.2.9 夾具設(shè)計(jì)及操作的簡(jiǎn)要說明 29

結(jié)  論 30

致  謝 31

參考文獻(xiàn) 32

【詳情如下】【需要咨詢購買全套設(shè)計(jì)請(qǐng)加QQ1459919609】

A0 銑面夾具體.dwg

A0 銑面夾具裝配圖.dwg

A1WG20型蝸桿減速箱體零件圖.dwg

A4 銑側(cè)面非標(biāo)夾具零件圖削邊銷.dwg

A4 銑側(cè)面非標(biāo)夾具零件圖墊板.dwg

A4 銑側(cè)面非標(biāo)夾具零件圖定位銷.dwg

A4 銑側(cè)面非標(biāo)夾具零件圖定位鍵.dwg

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