Wednesday, October 25, 2023
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
Wednesday, October 25, 2023
Sunday, September 11, 2022
Wednesday, October 25, 2023
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
()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
合格的铸件应妥善保管,不得在露天和潮湿地面存放。在转运过程中,铸...
Monday, September 12, 2022
Thursday, June 8, 2023
压铸模浇口套和分流锥(器)材料为()A、3Cr2W8VB、T10AC、40CrD、45...
Friday, July 14, 2023
()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
公司后期工序发现一批压铸零件在使用过程中不能满足要求,不合格比率为30%,经现场确认为压铸件尺寸超差,而至库房对合格证进行调查,发现无检验印章,请描述上述情况存在哪些问题?...
Wednesday, October 25, 2023
Sunday, September 11, 2022
Wednesday, October 25, 2023
Tuesday, June 27, 2023
何谓压射比压?可以通过哪些途径来改变压射比压?选择压射比压应考虑...
Sunday, September 11, 2022
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
液压曲肘式合模机构在压铸模闭合时是利用“死点”进行锁紧的。()...
Sunday, April 14, 2024
Friday, October 28, 2022
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