尾座体加工工艺及夹具设计.doc

尾座体加工工艺及夹具设计 加工工艺，夹具，尾座体，设计  ABSTRACT This topic is mainly design that designs the tail a body of some tool machine to process the craft and tongses, adopting to design first in the design a body of that tail processes the craft at according to process the craft to select by examinations the tongs of the project of the design and concrete design of the tongs;But the point of design is the design of the tongs.Because the bore of the work piece 17 and 14 all want to face to be used as the basis to process with the bottom, past have to do a bottom to face first of process the tongs.Because bore 17 of accuracy have high request, and position the size error margin small, for guarantee the position of the bore and process the accuracy we certainly at process the bottom to face of time pass to draw the line to find out the bottom to face of process the amount of remaining.Thus can with better assurance bore 17 of position and process the accuracy!Process the bore 14 of tongs was in processing the foundation that the bottom faces the furniture to add one 45 degrees of gradient plank in fact.Process the bore 17 of time is opposite for assurance to run parallel with B face of in the A we have to design accurately with the AN and B faces to settle for of tongs!Return in consideration of a degree of the work piece and the error margin of the cylinder degrees are small, the furniture that we design have to the bore 17 of tongs fixed position is accurate, and process the vibration of time small, that have to in the bore 17 of neighborhood seek a fixed position to step up the point! Keyword process the craft, tongs, a body of tail, design  目 录 摘 要……………………………………………………………………Ⅰ ABSTRACT………………………………………………………………Ⅱ 1绪论……………………………………………………………………1 2零件分析 ……………………………………………………………2 2.1零件的特点……………………………………………………………2 2.2工艺分析………………………………………………………………2 3工艺规程设计…………………………………………………………4 3.1确定毛坯的制造形成……………………………………………………4 3.2基面的选择……………………………………………………………4 3.3制定工艺路线…………………………………………………………4 3.4机械加工余量、工序