什么是级进模冲压,它是如何工作的?
什么是级进模冲压,它是如何工作的?

级进模冲压是一种高速金属成形工艺,其中卷状金属带材被送入一副模具中的多个工位,每个工位执行不同的操作(冲裁、弯曲、冲孔或拉深),一次行程即可生产出成品零件。其工作原理是将带材的步进送进与压力机行程同步,使多个操作能同时在带材的不同部位进行。这种方法非常适合大批量生产中小型零件,可实现低至±0.005 mm的公差,生产速...

如何根据负载和空间限制选择弹簧线径?
如何根据负载和空间限制选择弹簧线径?

正确的弹簧线径是在满足您定义挠度下所需力的同时,能装入您空间范围内的最大直径,因为弹簧刚度与线径的四次方成正比。对于给定的载荷,线径增加10%会使刚度增加约46%,这意味着您必须在承载能力、可用圈数和密实高度之间取得平衡。本文提供了BQUQ工程师在CNC加工和冲压弹簧中使用的计算方法、材料限制和实用选型规则。线径与弹簧...

制造业中的微型化如何实现更小、更精密、更优质的零件?
制造业中的微型化如何实现更小、更精密、更优质的零件?

制造业中的微型化不仅仅是缩小尺寸;它是一门系统性的工程学科,结合了先进的CNC微细加工、精密冲压和材料科学,以生产公差低至±0.005毫米、特征尺寸小于0.1毫米的部件。在BQUQ,我们通过高速主轴(高达60,000 RPM)、激光校准刀具以及将热稳定性维持在±1°C以内的严格环境控制来实现这一目标。结果是,“更小”现...

不锈钢弹簧与琴钢丝弹簧:哪种材料更耐用?
不锈钢弹簧与琴钢丝弹簧:哪种材料更耐用?

直接回答是:在低腐蚀、高循环应用中,琴钢丝(ASTM A228)通常比不锈钢更耐用,因为它具有更高的抗拉强度和疲劳寿命;而在腐蚀性或高温环境中,不锈钢(如302或316)则比琴钢丝更持久。对于像BQUQ这样年产量超过200万个弹簧的工厂环境,选择取决于您的具体操作条件:琴钢丝在其抗拉强度的45%下可提供10^7次循环的...

金属冲压中的回弹是什么以及如何补偿?
金属冲压中的回弹是什么以及如何补偿?

回弹是金属板材在冲压成型后发生的弹性恢复,导致最终零件几何形状偏离模具形状。补偿措施包括过度弯曲、压印或调整模具几何形状,以考虑材料的弹性模量和屈服强度。对于典型的1.0毫米厚DC01钢,每次弯曲的回弹量可在1至3度之间,而DP780等高强度钢的回弹量可达5至8度。什么是回弹,哪些材料受影响最大?回弹发生在冲压过程中施...


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