blowhole; sand hole; casting pit
Tone colorsmāmámǎmàma
Meanings
1 sense · 3 examplesnoun
blowhole; sand hole; pitting defect (in metal casting)
technicalSpecific to metallurgy and foundry engineering. Refers to cavities or pores caused by trapped gas, shrinkage, or sand particles in the molten metal.
Zhè这
gè个
zhù铸
jiàn件
biǎo表
miàn面
yǒu有
xǔ许
duō多
shā砂
yǎn眼
，
xū需
yào要
fǎn返
gōng工
。
There are many blowholes on the surface of this casting, so it needs to be reworked.
Shā砂
yǎn眼
shì是
zhù铸
zào造
guò过
chéng程
zhōng中
cháng常
jiàn见
de的
quē缺
xiàn陷
zhī之
yī一
。
Sand holes are one of the common defects in the casting process.
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Tí提
gāo高
mú模
jù具
de的
tòu透
qì气
xìng性
kě可
yǐ以
jiǎn减
shǎo少
shā砂
yǎn眼
de的
chǎn产
shēng生
。
Improving the permeability of molds can reduce the occurrence of blowholes.