| wang_01 |
2006-12-13 10:32 |
炉型 工件形状 wsB-(
0- 圆柱 板 薄管 ?
bWc<] (d/D<1/4,l/D<20) 厚管 drjNK!XL@ (d/D≥1/4) p1niS:}j 盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 +BtLd+)R W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d A'jL+dI. KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d 4h!yh2c.. 空气炉 K/min·mm-1 3.5 4 4 5 jRC{8^98 W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d u->[y1JY KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d Hif|z[0$ 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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