工序間余量(試行)

1、QSJ沈陽機床（集團）有限責(zé)任公司技術(shù)標準QJH36101—2012機械加工工序間余量（試行稿）20121225發(fā)布20130101實施沈陽機床（集團）有限責(zé)任公司發(fā)布QJH36101—2012I目次前言.................................................................................III1范圍...............................

2、..................................................12術(shù)語和定義...........................................................................13加工余量及公差選擇原則...............................................................23.1加工余量選擇原則

3、.................................................................23.2中間工序公差的選擇原則...........................................................24下料余量...........................................................................

4、..24.1型材下料余量.....................................................................24.2板材下料余量.....................................................................25軸的加工余量....................................................

5、.....................35.1軸加工路線及所能達到的精度和表面粗糙度...........................................35.2軸的折算長度.....................................................................45.3軸類零件采用熱軋圓棒料時毛坯直徑的選用...............................

6、............55.4軸類零件粗加工余量...............................................................65.5軸在粗車外圓后，精車外圓的加工余量（不經(jīng)熱處理）.................................65.6軸半精車后，磨削的加工余量......................................................

7、.75.7鏜桿的研磨余量...................................................................85.8工具錐體的磨削余量...............................................................86端面的加工余量........................................................

8、...............96.1精車端面的加工余量...............................................................96.2靠磨端面的加工余量...............................................................97槽的加工余量.............................................

9、...........................108孔的加工余量........................................................................118.1孔的加工路線及所能達到的精度和表面粗糙度........................................118.2擴孔、鏜孔、鉸孔的加工余量.............................

10、.........................128.3半精鏜后磨孔的加工余量..........................................................168.4環(huán)孔鉆加工余量..................................................................178.5單面鉆削深孔的加工余量...........................

11、...............................178.6珩磨孔的加工余量................................................................188.7研磨孔的加工余量................................................................189平面的加工余量.........................

12、.............................................199.1平面的加工路線及所能達到的精度和表面粗糙度......................................199.2平面粗加工余量..................................................................209.3平面的精加工余量(刨、銑、刮、磨)...........

13、.....................................2110花鍵、齒輪的加工余量...............................................................2210.1花鍵精加工余量.................................................................2210.2齒輪的精加工余量..............