Tuesday, September 24, 2024
问题:平整辊印产生的特征是怎样的?主要产生原因是什么?...
Friday, January 26, 2024
Thursday, November 28, 2024
Thursday, March 27, 2025
Wednesday, May 28, 2025
Wednesday, April 3, 2024
Wednesday, May 28, 2025
问题:开卷操作时候带钢经过五辊矫直机后,带头向上翘这时应该如何调整五辊矫直机才能使带头平直?()A、退出重矫B、加大重叠量C、减小重叠量...
Wednesday, May 28, 2025
Tuesday, January 16, 2024
Friday, March 15, 2024
Wednesday, May 28, 2025
问题:静载拉伸试验中,表示钢材强度的指标是()、(),塑性指标是()、()。...
Thursday, November 28, 2024
Monday, December 30, 2024
Monday, October 14, 2024
问题:在轧制过程中使轧件发生塑性变形的是轧辊的()部分A、辊径B、轴头C、辊身...
Wednesday, May 28, 2025
Tuesday, September 24, 2024
问题:主轧机的压下率、退火炉的()和平整机的()也极大地影响深冲汽车薄板的冲压成型性能。...
Friday, January 26, 2024
问题:平整工作辊由于带钢表面质量要求较高,应选用()、高耐磨性轧辊以保持良好的辊型。...
Saturday, December 9, 2023
问题:在轧制过程中使轧件发生塑性变形的是轧辊的那各部分()A、辊径B、轴头C、辊身...
Wednesday, February 12, 2025