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III
遼寧工程技術(shù)大學(xué)課程設(shè)計(jì)
摘 要
工藝規(guī)程是工裝設(shè)計(jì)、制造和確定零件加工方法與加工路線的主要依據(jù)，它對(duì)組織生產(chǎn)、保證產(chǎn)品質(zhì)量、提高勞動(dòng)生產(chǎn)率、降低成本、縮短生產(chǎn)周期及改善勞動(dòng)條件等都有著直接的影響，因此是生產(chǎn)中的關(guān)鍵工作。夾具在機(jī)械加工中起著重要的作用，它直接影響著機(jī)械加工的質(zhì)量，生產(chǎn)效率和成本，因此，夾具設(shè)計(jì)是機(jī)械工藝準(zhǔn)備和施工中的一項(xiàng)重要工作。本文對(duì)轉(zhuǎn)速器盤的結(jié)構(gòu)和工藝進(jìn)行了分析，確定了機(jī)械加工工藝路線，制訂出了零件的鑄造工藝方案和機(jī)械加工工藝規(guī)程，并為加工零件上直徑Φ9H8mm的孔設(shè)計(jì)了一套專用鉆床夾具。
關(guān)鍵詞：加工工藝；工藝規(guī)程；夾具設(shè)計(jì)
Abstract
The process is the base of frock design、manufacturing、the method of machining and machining route. Its function is flowing: organizing produce, controlling quality, enhancing productivity, reducing cost, reducing produce periods, improving work conditions, etc. So, the process planning is the core part of produce. Fixture is very important equipment in process of machine manufacturing because it can directly affect the quality of products and productivity and cost. So fixture designing is also a basilica portion in machine process preparative and manufacture. This thesis is about the analysis with the craftwork and the structure of the speed governor tray which is used for the diesel engine, make sure the process route, establish the foundry process project and the process planning of the parts, and design a set of appropriative fixture for the bore with diameter 9mm.
Key Words：Group technology; Process planning; Fixture design
目 錄
1 零件的工藝分析及生產(chǎn)類型的確定 1
1.1 零件的作用 1
1.2 零件的工藝分析 2
1.3 零件的生產(chǎn)類型 2
2 選擇毛坯、確定毛坯尺寸、繪制毛坯簡圖 2
2.1 毛坯的選擇 2
2.2 確定機(jī)械加工余量和公差 2
2.3 設(shè)計(jì)及繪制毛坯圖 3
3 選擇加工方法，制定工藝路線 3
3.1 定位基準(zhǔn)的選擇 3
3.2 零件表面加工方法的選擇 4
3.3 制訂工藝路線 4
4 工序設(shè)計(jì) 5
4.1 Φ9mm孔 5
4.2 確定切削用量及基本工時(shí) 6
5 夾具設(shè)計(jì) 7
5.1定位方案 7
5.2夾緊機(jī)構(gòu) 7
5.3導(dǎo)向裝置 8
5.4夾具體 8
6 方案綜合評(píng)價(jià)與結(jié)論 8
7體會(huì)與展望 8
8參考文獻(xiàn) 10