炉型 工件形状 k|O,1
圆柱 板 薄管 4R +P
(d/D<1/4,l/D<20) 厚管 R I@*O6\/I
(d/D≥1/4) x.EgTvA&d
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 ;o$;Z4:.D
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d =s'7$D}0.
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d >;i\v7
空气炉 K/min·mm-1 3.5 4 4 5 NygI67
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d z/1hqxHl
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d n6d^>s9J
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