WG20型蝸桿減速箱體加工工藝規(guī)程及鉆3×M6-6H螺紋底孔夾具設(shè)計(jì)【優(yōu)秀課程畢業(yè)設(shè)計(jì)含5張CAD圖紙+帶工藝過程、工序卡+任務(wù)書+開題報(bào)告+外文翻譯】-jjsj13-1

WG20型蝸桿減速箱體加工工藝規(guī)程及鉆3×M6-6H螺紋底孔夾具設(shè)計(jì)

摘  要

通過對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)是針對性強(qiáng)、結(jié)構(gòu)緊湊、操作簡便、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)械加工工藝及鉆床夾具的設(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

The graduation design is the main content of the machining process planning preparation and special fixture design process. I can comprehensive use of mechanical manufacturing technology and other basic curriculum of basic theory and method, in order to be able to complete the turbine speed reducer machining technology and drilling machine fixture design task, the integrated use of knowledge, and apply the correct design method, and developed a turbine speed reducer of the machining process planning. Combine craft design content, skilled in the application process calculation method, the relevant process the content analysis of the correct design and the computation, such as process parameters, cutting force and cutting power, cutting speed, positioning error, clamping force, etc. Through the turbine speed reducer to the processing technology of the determination of the route, the parts processing to the underside as the benchmark is reasonable, the processing technology solutions to meet the basic requirements of basic selection coarse and fine basic selection of the four principles. This fixture for drilling machine use special jig, this fixture is characteristic of the targeted, compact construction, simple operation, high productivity. In this design, the design of the machine tool fixtures meet fixture basic requirements of the overall design, fully guarantee the quality of parts processing, has the high production efficiency and lower cost of manufacture and good structure technology .

Key Words  Machining  Process specification  Special fixture  Turbine gear unit housing

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

3.1  確定設(shè)計(jì)任務(wù)、明確加工要求 23

3.2  定位方案的確定 23

3.3  夾緊機(jī)構(gòu)的設(shè)計(jì) 23

3.4  切削力和夾緊力的計(jì)算 23

3.5  定位誤差的分析與計(jì)算 24

3.5.1  定位元件尺寸及公差確定 24

3.5.2  定位誤差計(jì)算 24

3.6  夾具體的設(shè)計(jì) 24

3.7  夾具與機(jī)床連接元件的選擇 25

3.8  夾具的使用說明 25

3.9  夾具的結(jié)構(gòu)特點(diǎn) 26

結(jié)  論 27

致  謝 28

參考文獻(xiàn) 29

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