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| wang_01 | 2006-12-13 10:32 |  
| 炉型 工件形状  U2tV4_	e 圆柱 板 薄管 :}L[sl\R
 (d/D<1/4,l/D<20) 厚管 'Vzp2
 (d/D≥1/4)  T]f ;km
 盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0  GfxZ'VIn
 W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d  *)$Uvw E
 KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d  .;y.]Z/;
 空气炉 K/min·mm-1 3.5 4 4 5  m)ky*"(
 W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d  $u$!tj
 KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d  j78i#}e
 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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