炉型 工件形状 lZ[J1:%
圆柱 板 薄管 w@Q~ax/
(d/D<1/4,l/D<20) 厚管 <8kCmuGlk
(d/D≥1/4) r*$f^T!|
盐浴炉 K/min·mm-1 0.7 0.7 0.7 1.0 % 33O)<?
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d B;NK\5>
KW/min (0.117~0.175)D (0.117~0.35)B (0.175~0.35)d (0.25~0.5)d <a
-a~
空气炉 K/min·mm-1 3.5 4 4 5 ?6&G:Uz/
W/mm (0.167~0.25)D (0.167~0.5)B (0.25~0.5)d (0.25~0.5)d J(/J;PW
KW/min (0.6~0.9)D (0.6~2)B (1~2)d (1.25~2.5)d YLA(hg|
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