问题:冷压室压铸机的压室与熔炉是分开的,其压室的工作条件比热压室的好。()
Friday, October 28, 2022
Wednesday, October 25, 2023
问题:在模具出现卡件时,严禁采用将模具整体加热方式使铝熔化来解决卡件。()
Sunday, September 11, 2022
Monday, September 12, 2022
Sunday, September 11, 2022
Monday, September 12, 2022
Saturday, February 3, 2024
Thursday, January 11, 2024
Wednesday, October 25, 2023
问题:正常生产过程中,模具表面必须()不得有铝皮、铝屑、油垢等,以防硌伤模具和影响排气等。
Friday, December 15, 2023
Monday, September 12, 2022
问题:压铸模在生产时合金温度越高越好,这样合金不容易在料筒里凝固。()
Friday, July 14, 2023
问题:()可避免一般充填中所发生的裹气和涡流现象。A、(1)一级压射B、(2)二级压射C、(3)三级压射
Thursday, June 8, 2023
问题:()是将压铸三要素进行有机组合和运用的过程。A、压铸合金B、压铸模C、压铸机D、压铸工艺
Friday, October 28, 2022
Friday, October 28, 2022
问题:有效数字位数多,测量结果的精度高,位数少,精度低。()
Sunday, April 14, 2024
Sunday, April 23, 2023
问题:压铸合金选用应考虑铸件()及工作环境状态。A、酸碱B、压力C、密闭性D、受力状态
Sunday, September 11, 2022
Monday, September 12, 2022
问题:直浇道作用之一是()A、将金属液引入横浇道B、将金属液引入模具C、传递静压力D、改变金属液方向
Wednesday, November 29, 2023