摘要
本文介绍了新生产线7020合金熔炼工艺与铸造工艺参数,并对铸造裂纹缺陷进行了分析,提出了相应的预防措施。
The processing parameter of smelting and casting of 7020 alloy have been introduced in the thesis,and the casting crack defects are analyzed,corresponding prevention measures are put forward.
关键词
7020合金
热裂纹
铸造速度
冷却水流量
铸造温度
液面高度
7020 aluminium alloy
Hot crack
Casting speed
Volume of cooling water
Tempertuare of casting
Height of liquid level
