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鹽城工學院本科生畢業(yè)設計說明書 2007
ZH1105柴油機氣缸體三面粗鏜組合機床總體及夾具設計
摘 要：柴油機氣缸體是大批量生產(chǎn)的零件。為了提高生產(chǎn)效率，滿足被加工零件的精度要求，本課題設計了一臺用于ZH1105柴油機氣缸體三面粗鏜孔的組合機床。本文介紹了該組合機床總體設計和夾具設計的思路，全文共分兩個部分。首先是總體設計，采用單工位三面粗鏜孔組合機床，考慮的因素有刀具、切削用量、切削力、切削扭矩及切削功率等，通過計算選擇主軸直徑、外伸尺寸、接桿型號、滑臺、動力箱等通用部件，再確定動力部件的工作循環(huán)及工作行程，完成機床總體設計。其次是夾具設計，通過對被加工零件的全面分析，采用三面定位和固定鏜模板可換導套導向；夾緊裝置采用液壓夾緊機構(gòu)，直接夾緊與工件上；夾具體為框架式結(jié)構(gòu)，有良好的剛性，使夾具能長期保持可靠的精度和穩(wěn)定性。該組合機床不僅能保證加工精度，還能提高加工效率。整個機床布局合理，夾緊可靠，精度較高，使用操作方便，提高了工作效率，達到了設計要求。
關(guān)鍵詞：氣缸體；組合機床；粗鏜；夾具
The design of the overall and jig of the modular machine-tool for drilling and boring in the body of ZH1105 diesel
Abstract: The cylinder body of diesel is made for large mass production. In order to enhance the production efficiency and meet the precision requested of the components processed, the topic is produced for designing a combined machine-tool, which is used to roughly bore the holes of the ZH1105 diesel engine cylinder .The design was introduced of the overall and jig of the combined machine-tool and the topic consists of two parts. The first part is overall design, adopting the combined machine-tool with single location three faces drilling and roughly bore the holes, considering such factors as tool, cutting parameter, cutting force, cutting torque and cutting power, and so on. Thus common parts such as sliding table, the power box and so on, were choused by calculating spindle diameter, and the extend sizes , the link-pole model. Then the operating cycle and the distance were determined. Thus the overall design was completed. Finally, the technological drawing was figured out of the part which need to be manufactured, the general drawing of modular machine tool, and drawing of cutter display and the efficiency card of manufacture. The second part is the jig design, having analyzed the work piece, the location plan adopted three-face location; the guiding equipment used the fixed bore plate with replaceable bore bush; the clamp uses the hydraulic pressure device, it directly presses on the work piece，the jig-body utilize the frame structure, possess fine rigidity, causes the jig to maintain good long-term precision. This combined machine-tool not only has guaranteed the drill hole precision efficiency. The laying out of the machine-tool is reasonable, the location of work piece is reliably, the accuracy is high, the operation is easy, enhanced the working efficiency, and meet with the design request well.
Key words：The cylinder body; Modular machine tool; Rough bore the holes; Jig