炉型 工件形状 .]9`eGVWj
圆柱 板 薄管 ^%oH LsY9
(d/D<1/4,l/D<20) 厚管 e`Yj}i*bx]
(d/D≥1/4) -O})Y>=}
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 j,rc9
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d \t{iyUxY
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d 6@aH2+4+
空气炉 K/min·mm-1 3.5 4 4 5 x.t<@y~
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d q~>!_q]FE
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d c[J 2;"SP
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