炉型 工件形状 /M*\t.[ 46
圆柱 板 薄管 7C7(bg,7^
(d/D<1/4,l/D<20) 厚管 ^^3va)1{!
(d/D≥1/4) 6ri?y=-c
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 bTy)0ta>AF
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d 3nC#$L-
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d &t|V:_?/x
空气炉 K/min·mm-1 3.5 4 4 5 JX$NEq(
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d \If!5N
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d ;6
6_G Sjz
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