炉型 工件形状 #rqyy0k0'h
圆柱 板 薄管 Kc%tnVyGh:
(d/D<1/4,l/D<20) 厚管 fQ2!sV
(d/D≥1/4) }G"r3*
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 ?v0A/68s#
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d wjN`EF5$}&
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d o'9OPoof:.
空气炉 K/min·mm-1 3.5 4 4 5 FSI]k:
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d 1\M"`L/
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d -='8_B/75
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