【正文】 ed,the cet degree design,two sets of wrok principles of tongses and what we must benotice 2in the process of the piston the analysis and argument,the arts andcrafts design and the tongs design of the piston is viable.Keywords：Piston rod and piston rings。 machine tongs。locating and clampingII目錄緒論.................................................................................................................................................1第 1 章 活塞桿工藝分析及生產(chǎn)類型的確定............................................................................... 2 零件的功用、結(jié)構(gòu)及特點............................................................................................... 2 零件的技術(shù)要求.............................................................................................................. 2 零件的工藝性................................................................................................................... 2 確定零件的生產(chǎn)類型...................................................................................................... 3第 2 章 活塞桿毛坯的選擇........................................................................................................... 4 確定毛坯的類型.............................................................................................................. 4 確定毛坯的制造方法和尺寸及其公差.......................................................................... 4 確定毛坯技術(shù)要求.......................................................................................................... 4 繪制零件毛坯合圖......................................................................................................... 4第 3 章 基準的選擇....................................................................................................................... 6第 4 章 擬定機械加工工藝路線................................................................................................... 7 確定各表面的加工方法.................................................................................................. 7 擬定工藝路線.................................................................................................................. 7 工藝路線方案的分析與比較........................................................................................ 10第 5 章 確定機械加工余量、工序尺寸及公差......................................................................... 11第 6 章 選擇機床及工藝設備................................................................................................... 12 選擇機床........................................................................................................................ 12 選擇刀具........................................................................................................................ 12 選擇夾具........................................................................................................................ 12 選擇量具........................................................................................................................ 13第 7 章 確定切削用量及基本工時............................................................................................. 14工序 1 數(shù)據(jù)計算............................................................................................................14工序 4 數(shù)據(jù)計算............................................................................................................ 16工序 8 數(shù)據(jù)計算............................................................................................................ 17工序 9 數(shù)據(jù)計算............................................................................................................ 18工序 10 數(shù)據(jù)計算.......................................................................................................... 20工序 10 數(shù)據(jù)計算............................................................................................................22工序 11 數(shù)據(jù)計算.......................................................................................................... 23工序 12 數(shù)據(jù)計算.......................................................................................................... 24工序 14 數(shù)據(jù)計算...........................................................................................................25工序 14 數(shù)據(jù)計算.........................................................................................................26工序 18 數(shù)據(jù)計算........................................................................................................ 27.....................................................................................................................第 8 章活塞環(huán)概述................................................................................................................29活塞環(huán)的作用29 活塞環(huán)的工作條件......................................................................................................... 30 活塞環(huán)各部份名稱及代號............................................................................................ 31第 9 章 活塞環(huán)的結(jié)構(gòu)尺寸....................................................................................................... 32 徑向厚度 a1.................................................................................................................32 環(huán)高 h1............................................................................................................................ 32 m............................................................................................................ 33 活塞環(huán)的計算................................................................................................................ 34第 10 章 活塞環(huán)的制造工藝....................................................................................................... 38 活塞環(huán)的生產(chǎn)特點...................................................................................................... 38 活塞環(huán)的加工方法...................................................................................................... 38 活塞環(huán)的加工工藝規(guī)程............................