爐型 工件形狀 T+`GOFx
圓柱 板 薄管 <Phr`/
(d/D<1/4,l/D<20) 厚管 wTuRo
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(d/D≥1/4) RknSWuFKt
鹽浴爐 K/min·mm-1 0.7 0.7 0.7 1.0 &l}xBQAL
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d WMz|FFKVY
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d ,xM*hN3A
空氣爐 K/min·mm-1 3.5 4 4 5 \]:NOmI^'
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d +z?f,`.*
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d ]` Gz_e
備 注 l/D值大取上限,否則取下限 H,l/B值大取上限,否則取下限 l/d值大取上限,否則取下限 l/d值大取上限,否則取下限