炉型 工件形状 .KYDYdoS'
圆柱 板 薄管 >ZAn2s
(d/D<1/4,l/D<20) 厚管 ;[,#VtD
(d/D≥1/4) M%eTNsbNm
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 ?`SBGN;
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d ]V"B`ip[2
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d <U/r U9O
空气炉 K/min·mm-1 3.5 4 4 5 aTLr%D:Ka
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d $yZP"AsAR
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d - :x6X$=
备 注 l/D值大取上限,否则取下限 H,l/B值大取上限,否则取下限 l/d值大取上限,否则取下限 l/d值大取上限,否则取下限