问题:注塑成型是一个循环过程,完成注塑成型需要经过预塑、注塑阶段和()...
Tuesday, September 13, 2022
问题:只要选设计基准作为定位基准,就不会产生定位误差。...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:限制工件七个自由度的定位称()A、完全定位B、不完全定位C、过定位D、欠定位...
Friday, May 3, 2024
问题:冷作模具钢的最终热处理通常采用淬火+高温回火,以保证获得高的硬度和耐磨性。...
Tuesday, November 15, 2022
问题:线切割机加工一直径为10mm的圆凸台,若采用的补偿量为0.12m...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:斜导柱侧向分型抽芯机构中,其实现侧向分型的力来自于()A、开模力B、合模力C、推出机构的推力D、锁模力...
Monday, April 24, 2023
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:靠近凹模端面的凹模圆角半径不能(),否则会增大弯曲力,擦伤毛坯表...
Tuesday, September 13, 2022
问题:压入式模柄与上模座的装配呈()配合,并加销钉以防转。...
Tuesday, September 13, 2022
问题:根据电镀的基本原理,非金属进行电镀,首先必须进行表面金属化,具有...
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
Tuesday, September 13, 2022
问题:卧式冷压式压铸机上的模具,横交到一般应设在直交道的正下方或侧下方...
Tuesday, September 13, 2022
问题:用模具将板料上的孔或外缘翻成直壁的冲压工序是()...
Tuesday, September 13, 2022
问题:当钢坯锻后出现粗大或严重网状碳化物时,应先进行球化退火后再进行正...
Tuesday, September 13, 2022