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四川大學(xué)錦城學(xué)院 畢業(yè)設(shè)計(論文) 基于UG建模的盤類零件銑床專用夾具設(shè)計 所在學(xué)院 專 業(yè) 班 級 姓 名 學(xué) 號 指導(dǎo)老師 年 月 日 摘 要 盤類零件加工工藝及夾具設(shè)計是包括零件加工的工藝設(shè)計、工序設(shè)計以及專用夾具的設(shè)計三部分。在工藝設(shè)計中要首先對零件進行分析，了解零件的工藝再設(shè)計出毛坯的結(jié)構(gòu)，并選擇好零件的加工基準，設(shè)計出零件的工藝路線；接著對零件各個工步的工序進行尺寸計算，關(guān)鍵是決定出各個工序的工藝裝備及切削用量；然后進行專用夾具的設(shè)計，選擇設(shè)計出夾具的各個組成部件，如定位元件、夾緊元件、引導(dǎo)元件、夾具體與機床的連接部件以及其它部件；計算出夾具定位時產(chǎn)生的定位誤差，分析夾具結(jié)構(gòu)的合理性與不足之處，并在以后設(shè)計中注意改進。 關(guān)鍵詞：工藝，工序，切削用量，夾緊，定位，誤差 Abstract Disc type parts processing technology and fixture design is the design of process design, including the parts processing process design and the three part special fixture. In the process of design should first of all parts to analyze, understand parts of the process and then design a blank structure, and choose the good parts of the machining datum, designs the process routes of the parts; then the parts each step process dimension calculation, the key is to determine the process equipment and cutting the amount of each working procedure design; then a special fixture, fixture for the various components of a design, such as the connecting part positioning device, clamping element, a guide element, clamp and the machine tool and other components; the positioning error caused calculate fixture when positioning, analysis of the rationality and deficiency of fixture structure, pay attention to improving and will design in. Keywords: process, process, cutting, clamping, positioning, error 目錄 摘 要 2 Abstract 3 緒論 1 1.夾具設(shè)計目的與意義 1 1.1