炉型 工件形状 7,!$lT#
圆柱 板 薄管 U8]BhJr$Q
(d/D<1/4,l/D<20) 厚管 km=d'VvnI
(d/D≥1/4) 0Vwl\,7z9
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 k0>]7t$L
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d rl0|)j
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d (\A~SKEX
空气炉 K/min·mm-1 3.5 4 4 5 rE5q
BEh
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d n u!tk$Q
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d F8En)#
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