问题:落料和弯曲都属于分离工序,而拉深、翻边属于变形工序。()
Tuesday, September 13, 2022
问题:冲压件(模具工作面)的照明亮度与冲床底部的亮度比应为()。
Tuesday, September 13, 2022
问题:冲压最常用的基本工序有:冷挤压、引伸、翻边、胀形等。()
Tuesday, September 13, 2022
Saturday, October 7, 2023
问题:在设计修边废料滑道时,模具内废料滑槽的角度要大于()。A、20度B、30度C、40度D、50度
Sunday, January 22, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Saturday, March 2, 2024
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:冲裁间隙过大,可致使制件光亮带(),塌角(圆角带)与断裂带(),制件毛刺()。
Tuesday, July 25, 2023
Tuesday, September 13, 2022
Friday, December 15, 2023
Tuesday, September 13, 2022
问题:冲压作业车间安全检查的重点有()。A、防护装置和措施的安全性及维护保养情况B、作业场所的环境及各种危险、有害因素C、作业人员安全教育培训D、冲压设备、模具的安全性
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Wednesday, May 24, 2023
Tuesday, September 13, 2022