| wang_01 |
2006-12-13 10:32 |
炉型 工件形状 ? kCo/sW 圆柱 板 薄管 &"DD&87N% (d/D<1/4,l/D<20) 厚管 @?5pY^>DK (d/D≥1/4) P5__[aTD 盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 q@i.4>x W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d 2/ejU,S KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d <SiJA`(7 空气炉 K/min·mm-1 3.5 4 4 5 X0 ]Se( W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d )3^#CD KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d (dP9`Na] 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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