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鹽城工學院畢業(yè)設計說明書 2009
雙孔支架鏜鉸組合機床總體及夾具設計
摘要：隨著生產的發(fā)展和專業(yè)化程度的提高，很多企業(yè)的產品產量越來越大，精度也越來越高。首先，加工時，同時參加工作的刀具少，限制了機床生產率的提高；其次，在加工多孔的工件時，需要對工件進行多次的定位和夾緊，使零件的加工精度和生產率降低；第三，因為在一臺機床上總是加工一種工件，使通用機床的部件和機構造成冗余。因此，為了提高生產效率，滿足加工要求，本課題設計了用于加工雙筋蹄零件的鏜鉸組合機床之鏜削主軸箱。根據(jù)被加工零件確定加工孔的數(shù)量、位置、切削用量及主軸類型，擬訂了主軸箱的傳動方式，應用最優(yōu)化方法傳遞功率，削減振動，確定傳動參數(shù)，設計軸的結構，進行如軸、軸承等相關零件的強度校核計算。通過以上設計，實現(xiàn)了兩個雙筋蹄零件一次加工完成，較好地達到了設計要求。
關鍵詞：組合機床；鏜床；夾具
The design of the modular machine tool for double rebar and feet parts boring and drilling
Abstract: With the development of industry and improvement of the specialization, the products output of enterprise, is growing, the precision is increased precise high. First, fewer tool in the work at the same time that limiting machine tool productivity; Secondly, it is needed to clamp and position many times in processing that reduce the accuracy and productivity; Third, parts and body of lead to machine tool will lead to redundant if process only one work in some machine tool. Therefore, to improve the machining efficiency and satisfy the processing requirements, the boring headstocks are designed which are used for the unit machine tool, which is used to roughly bore the holes of the double rebar and feet parts. Based on the processed accessory, the number, the position and the machining data of the holes and the form of the principal axis are determined; The driving way of the headstocks are drawn, the power is transmits by the methods of optimization, the driving parameter are determined, the structure of the principal axis are designed and the strength of the parts, such as the strength and the bears, are checked. Trough the design, the four holes of two parts can be finished at one time, and can fulfill the design requirements better.
Key words: unit machine tool; boring machine tool; headstock