炉型 工件形状 9[0iIT$q$
圆柱 板 薄管 zm_8a!.
(d/D<1/4,l/D<20) 厚管 t>j_C{X1(
(d/D≥1/4) +}:Z9AAMy
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 @^,q/%;
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d LF dvz0
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d AxEyXT( h5
空气炉 K/min·mm-1 3.5 4 4 5 5zl+M`
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d 8!_jZ f8
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d T+Oqd\05.+
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