炉型 工件形状 hH[UIe
圆柱 板 薄管 )a.Y$![
(d/D<1/4,l/D<20) 厚管 _Sy-&}c+
+
(d/D≥1/4) M8a^yoZn
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 W_9-JM(r
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d \~d|MP}"F:
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d {[hH:
\
空气炉 K/min·mm-1 3.5 4 4 5 5:/
zbt\C
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d s$css{(ek
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d z(d@!Cd
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