發(fā)動機缸體夾具設(shè)計

1、SHANDONG ＵＮＩＶＥＲＳＩＴＹ ＯＦ ＴＥＣＨＮＯＬＯＧＹ畢 業(yè) 論 文WD615 WD615 發(fā)動機缸體前后端面及右側(cè)面加工夾 發(fā)動機缸體前后端面及右側(cè)面加工夾具設(shè)計 具設(shè)計學(xué) 院：專 業(yè)：姓 名：學(xué) 號：指導(dǎo)教師：2013 年 6 月英文摘要IAbstract AbstractAs the largest engine parts of the engine crank，the engine cylinder lin

2、k mechanism and gas distribution organizations together, and put the oil, lubricating, cooling etc connection into a whole. Plane and hole machining is an important task of the engine cylinder block processing, surface p

3、rocessing is mainly completed through face milling, the hole is processed mainly by boring and honing, drilling, reaming and tapping process. Plane mainly includes front and rear end face, floor and roof surface, hole bo

4、re system mainly includes the water jacket, piston cylinder, curved shaft hole, mounting holes, oil hole, the connecting hole and pin hole, etc. The use of the automobile engine performance and engine block machining qua

5、lity has a direct relationship, so must ensure that the plane and hole machining precision. The purpose of the subject of WD615 engine block machining process design, through the formulation reasonable process flow, sele

6、ct the appropriate machining center, cutting tool, and special fixture design accurate and durable, to block processing and production of high precision, high efficiency, high adaptability and high efficiency.The main el

7、ements of this design are: based on crankshaft thrust face and left side hole, for the locating datum, precision milling around the face and right side and pump mounting surface, drill hole hinge pin fuel pump. My main j

8、ob is: choose a suitable location, reasonable design of fixture, the selection of the appropriate equipment and tools to ensure accurate positioning, process optimization, content layout reasonable, balanced cycle time,

9、work by processing elements conformity to product requirements.According to engine structure complex, and stiffness small, features, in fixture of design process in the select what of positioning clip tight programme on

10、cylinder body of processing precision, and processing way and processing process are has is large of effect, therefore design reasonable of machine fixture to guarantee processing precision, especially guarantee is proce

11、ssing workpiece of processing surface and positioning surface and is processing surface mutual Zhijian of location precision, is design in the first to consider of problem.Tooling, machine tool and the workpiece is the m