| wang_01 |
2006-12-13 10:32 |
炉型 工件形状 s#(7D3Pr#
圆柱 板 薄管 .HRd6O;
(d/D<1/4,l/D<20) 厚管 b;nqhO[f}
(d/D≥1/4) Io t c>!
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 E(&zH;?_
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d Qwp2h"t`
KW/min (0.117～0.175)D (0.117～0.35)B (0.175～0.35)d (0.25～0.5)d {1+me E
空气炉 K/min·mm-1 3.5 4 4 5 q E8Di\?
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d F"QJ)F
KW/min (0.6～0.9)D (0.6～2)B (1～2)d (1.25～2.5)d HBs
6:[q
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
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