| wang_01 |
2006-12-13 10:32 |
炉型 工件形状 h"ylpv+ 圆柱 板 薄管 *PEuaRDN (d/D<1/4,l/D<20) 厚管 u^9c` (d/D≥1/4) :c t+.# 盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 DE ws+y-* W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d VZoOdR:d KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d A&F4;>dms 空气炉 K/min·mm-1 3.5 4 4 5 pxx(BE W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d Oy&'zigJ KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d <^Tj}5)n 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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