炉型 工件形状 q6d~V] 4:
圆柱 板 薄管 DBH#)4do@
(d/D<1/4,l/D<20) 厚管 <i. a pBH
(d/D≥1/4) P:xT0gtt
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 2DDsWJ;
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d a[!%L d
KW/min (0.117～0.175)D (0.117～0.35)B (0.175～0.35)d (0.25～0.5)d YK#fa2ng
空气炉 K/min·mm-1 3.5 4 4 5 dY!Z
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d g_.^O$}
KW/min (0.6～0.9)D (0.6～2)B (1～2)d (1.25～2.5)d \IM4Z|NN"
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
