炉型 工件形状 Vb az#I
圆柱 板 薄管 v8W .84e-
(d/D<1/4,l/D<20) 厚管 r ) ;U zd
(d/D≥1/4) :{bvCos<)
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 Xd@ -
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d c+,F)i^`
KW/min (0.117～0.175)D (0.117～0.35)B (0.175～0.35)d (0.25～0.5)d b^_#f:_j
空气炉 K/min·mm-1 3.5 4 4 5 AX,V*
s
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d Q^>"AhOiU
KW/min (0.6～0.9)D (0.6～2)B (1～2)d (1.25～2.5)d X|fl_4NC >
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
