精密冲压如何确保电气触点和端子可靠?
精密冲压如何确保电气触点和端子可靠?

精密冲压通过使用渐进式模具,能够生产数百万个尺寸公差低至±0.01毫米、表面粗糙度低至Ra 0.2 µm的相同部件,从而确保电气触点和端子的可靠性。该工艺消除了导致高循环应用中出现间歇性连接、接触电阻过大和过早疲劳失效的人为错误和材料不一致性。20多年来,BQUQ利用每分钟600至1200次冲程的高速冲压机,提供能够承...

冲压件如何完成表面处理?电镀、涂层及表面选项
冲压件如何完成表面处理?电镀、涂层及表面选项

精密金属冲压件本身具有固有的表面粗糙度和微观毛刺,但最终的应用决定了其表面处理工艺。冲压件通过电镀、化学转化膜、粉末喷涂或机械工艺进行精整,每种工艺都会改变耐腐蚀性、硬度、导电性和尺寸公差。工艺的选择取决于基材、工作环境和单件成本,根据工艺复杂度和批量大小,典型的精整成本为每件增加0.02至1.50美元。冲压件对材料及...

如何计算冲压力:精密模具工程指南
如何计算冲压力:精密模具工程指南

钣金冲压所需的冲裁力是材料剪切强度、切割周长和材料厚度的乘积,再除以一个安全系数。对于一块典型的1.0毫米厚SPCC钢料片,周长为50毫米,计算出的力约为31.4千牛,考虑到动态损耗,所需冲床吨位至少为39千牛。本指南提供了BQUQ在东莞拥有20年CNC加工和金属冲压经验中所使用的精确公式、修正系数和实用数据。基本冲压...

金属冲压中的质量控制:您应关注哪些认证?
金属冲压中的质量控制:您应关注哪些认证?

在选择金属冲压合作伙伴时,您所核实的认证直接决定了您的责任风险、产品一致性和市场准入。对于精密部件而言,质量管理体系方面不可妥协的底线是 ISO 9001:2015,汽车供应链则要求 IATF 16949,医疗器械要求 ISO 13485。在这些框架下运营的认证供应商能够始终将连续模具的公差控制在 ±0.05 毫米以内...

哪些材料可以进行金属冲压?工程师完整指南
哪些材料可以进行金属冲压?工程师完整指南

金属冲压是一种高速制造工艺,利用级进模具和压力机将平板金属板材转化为精密零件。可进行金属冲压的材料范围从低碳钢和铝合金到铜、黄铜以及先进高强度钢,厚度通常在0.1毫米至6.0毫米之间。选择正确的材料是决定模具寿命、零件成本和最终机械性能的最关键因素。冲压材料选择标准在评估用于金属冲压的材料时,工程师必须评估三个主要的物...


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