炉型 工件形状 dzMI5fA<_
圆柱 板 薄管 RbNRBK!{
(d/D<1/4,l/D<20) 厚管 RwwX;I"o%
(d/D≥1/4) LvS3c9|Aj
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 K#{E87G(
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d (.3L'+F
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d x]U (EX`t$
空气炉 K/min·mm-1 3.5 4 4 5 _'oy
C(:}
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d iJE|u
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d [G|2m_
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