炉型 工件形状 T3Kq1
Rh
圆柱 板 薄管 &w:"e'FG`
(d/D<1/4,l/D<20) 厚管 N'Va&"&73>
(d/D≥1/4) =%Gecj
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 cRz7.9-<
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d T
:CsYj1
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d +xRja(d6
空气炉 K/min·mm-1 3.5 4 4 5 (rFY8oHD
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d CZE5RzG
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d /a17B
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