调质件加工余量(mm).doc

调质件加工余量（mm）直 径长 度500500-10001000-1800180010-202.0-2.52.5-3.0-22-452.5-3.03.0-3.53.5-4.0-48-702.5-3.03.0-3.54.0-4.55.0-6.075-1003.0-3.53.0-3.55.0-5.56.0-7.0不渗碳局部加工余量（mm）设计要求渗碳深度不渗碳表面每面的留余量0.2-0.41.1+淬火时留余量0.4-0.71.4+淬火时留余量0.7-1.11.8+淬火时留余量1.1-1.52.2+淬火时留余量1.5-2.02.7+淬火时留余量渗碳零件磨削余量（mm）公称渗碳深度0.30.50.91.31.7放磨量0.15-0.200.20-0.250.25-0.300.30-0.400.45-0.50实际工艺渗碳深度0.4-0.60.7-1.01.0-1.41.5-1.92.0-2.5轴、套、环类零件内孔热处理后的磨削余量（mm）孔径公称尺寸1011-1819-3031-5051-8081-120121-180180-260261-300361-500一般孔余量0.2-0.30.25-0.350.35-0.450.35-0.50.4-0.60.5-0.750.6-0.90.65-1.00.8-1.00.85-1.3复杂孔余量0.25-0.40.35-0.450.4-0.500.5-0.650.6-0.80.7-1.00.8-1.20.9-1.351.05-1.51.15-1.75注:碳素钢工件一般均用水或水-油淬,孔变形较大,应取上限,薄壁零件(外径/内径2应取上限合金钢薄壁零件(外径/内径1.25应取上限合金钢零件渗碳后采用二次淬火应取上限外径/内径1.5的高频淬火零件，内孔留余量应减少40%-50%,外圆加大30%-40%轴、杆类零件外圆热处理后的磨削余量（mm）直 径厚度）长 度5051-100101-200201-300301-450451-600601-800801-10001001-13001301-16001601-200050.35-0.450.45-0.550.55-0.656-100.30-0.400.40-0.500.50-0.600.55-0.6511-200.25-0.350.35-0.450.45-0.550.5-0.60.55-0.6521-300.3-0.40.30-0.400.35-0.450.4-0.50.45-0.550.5-0.60.55-0.6531-500.35-0.450.35-0.450.35-0.450.4-0.50.4-0.50.4-0.50.5-0.60.6-0.751-800.4-0.50.4-0.50.4-0.50.4-0.50.4-0.50.4-0.50.5-0.60.55-0.650.6-0.70.7-0.80.85-1.0081-1200.50-0.600.50-0.600.50-0.600.50-0.600.50-0.600.50-0.60.6-0.70.65-0.750.65-0.80.75-0.90.85-1.00121-1800.60-0.700.60-0.70