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摘 要
在機(jī)械制造的機(jī)械加工，檢驗(yàn)，裝配，焊接和熱處理等冷熱工藝過(guò)程中，使用著大量的夾具，用以安裝加工對(duì)象，使之占有正確的位置，以保證零件和工件的質(zhì)量。
本次設(shè)計(jì)主要是進(jìn)行填料箱蓋零件的專用夾具的設(shè)計(jì)，是對(duì)我們以往所學(xué)知識(shí)的總結(jié)和對(duì)我們所掌握知識(shí)的一次擴(kuò)展。填料箱蓋，其主要作用是保證對(duì)箱體起密封作用，使箱體在工作時(shí)不致讓油液滲漏。對(duì)內(nèi)表面的加工精度要求比較高,對(duì)配合面的表面粗糙度要求也較高。
本次設(shè)計(jì)旨在提高填料箱蓋的加工效率，設(shè)計(jì)正確的加工工藝路線。由此我們首先對(duì)填料箱蓋的結(jié)構(gòu)特征和工藝進(jìn)行了仔細(xì)的分析，然后確定了一套合理的加工方案。加工方案要求簡(jiǎn)單，操作方便，并能保證零件的加工質(zhì)量。填料箱蓋的加工質(zhì)量將直接影響機(jī)器的性能和使用壽命。
在夾具設(shè)計(jì)方面，我設(shè)計(jì)了其第8個(gè)工序磨孔底面和第11個(gè)工序鉆12孔的專用夾具。考慮諸多因素?cái)M訂最優(yōu)方案，最終完成本次設(shè)計(jì)。
關(guān)鍵詞：填料箱蓋，零件，毛坯，夾具
ABSTRACT
The machine made in the machine processes, examining, assembling, welding with heat handle to wait cold and hot craft process in, use a great deal of tongs, in order to the gearing process object, making it occupy right position to promise the quality of spare parts and work piece.
This design is mainly the design of appropriation tongs which carries Stuffing box cover spare parts, is tally up the knowledge that we learn before and to the once expanding of the knowledge that we control.Filler lid, whose main role is to ensure that acts as a seal on the box so that the box will not let you work the oil leakage.Inner surface machining accuracy is relatively high, with the surface of the surface roughness is high ,too.
This designed to increase the processing efficiency of filler lid, and design the right processing route.Thus we were carefully analyzed the structural features and processes of filler cover first , and then determine a reasonable processing program.Processing program requiring a simple and easy to operate, and to ensure part quality.Processing quality of filler lid will directly affect the machine's performance and service life.
In the fixture design，I designed special jigs for 8 step grinding hole bottom and the 11 steps drilled 12 holes.considering many factors to draw up the superior project, end completion originally time design.
Keywords:Filler lid, parts, stock, jig