| wang_01 |
2006-12-13 10:32 |
炉型 工件形状 Zj_b>O-V
圆柱 板 薄管 [RS|gem`
(d/D<1/4,l/D<20) 厚管 .[YuRLGz
(d/D≥1/4) '"`IC\N^
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 2Zm0qJ
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d &g#@3e1>
KW/min (0.117～0.175)D (0.117～0.35)B (0.175～0.35)d (0.25～0.5)d H!c@klD
空气炉 K/min·mm-1 3.5 4 4 5 cv8L-Z>x.=
W/mm (0.167～0.25)D (0.167～0.5)B (0.25～0.5)d (0.25～0.5)d %J#YM 'g
KW/min (0.6～0.9)D (0.6～2)B (1～2)d (1.25～2.5)d 2L!u1
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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