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作为项目设计中最常见的材料之一,正确的紧固方法对于金属板制造至关重要。但哪些方法最为有效?
在本文中我们将讨论最常见的金属板紧固技术,以及如何让您的设计项目取得最大的成功,内容包括:
最常见的金属板紧固方法
金属板几乎用于任何项目中。它适合使用包括松动硬件应用、焊接和自扣紧在内的各种方法。 松动硬件 可以包括铆钉, 螺母 和螺栓:
- 直角压铆紧固件
- 旋转扩口螺母
- 自转锁紧螺母
- 埋头式螺钉
- 重载螺母
- 带X-Press™螺纹轮廓的平头式螺钉
紧固行业中最常用的两种应用方法是焊接和自扣紧紧固
焊接应用
焊接是过去最常见的金属板紧固方法之一。焊接技术是一种由两个或多个部件通过热或压力融合而成的制造工艺。用于这种方法的常规紧固件包括定位焊和点焊紧固件。
在项目设计中,焊接在金属板之间提供了实质性、牢固的结合,从而获得了较高的结构性能。但这种方法也有缺点,包括:
- 高温引起损坏: 在焊接过程中,金属板的温度会变得极高。高温会降低材料的强度,破坏关键的镀层。
- 安全风险: 焊接具有危险性,因为会涉及大量的手动作业和高温。如果是密切接触,焊接会产生火花和其他火灾风险。
- 过程漫长: 与各种工程方法一样,焊接可能是一个耗时的手动过程,并且需要高水平的技能。找到适合的岗位工作人员往往成本很高。
自扣紧紧固应用
自扣紧技术最常用于金属板制造。该技术普遍用于所有需要将两个元件结合在一起的行业。
该方法包括将紧固件安装到砧座孔中,并将安装孔置于紧固件的柄部。作为一种稳健的解决方案,自扣紧紧固件适用于任何类型的金属板,可以在薄至0.30 mm/.012”的金属上提供稳定的螺纹或接合。
自扣紧是一种创新的紧固方法,既环保又节约时间和成本。专用于金属板的自扣紧紧固件包括:
- 浮动式自扣紧螺母
- 自扣紧盖螺母和平头螺母
- 微型自扣紧螺母
- 自扣紧平头螺钉
- 自扣紧锁销
您想详细了解金属板紧固和自扣紧解决方案吗?FastenerSeminar™中的Self-Clinching vs. Weld FastenerClass™课程包含您需要了解的一切信息。立即注册,让我们的紧固专家拓展您的知识。
金属板应用的关键考虑因素
在任何元件上应用金属板紧固方法时,必须了解材料的硬度。某些面板材料可能过于硬而无法进行自扣紧。
使用精确的自扣紧技术可以挤压金属使其变形,从而冷流入紧固件柄部或引导器中一个专门设计的凹槽中。了解面板硬度,可以为任何类型的标准材料(包括不锈钢和铝板)实现自扣紧方案的选择。
为什么要为金属板选择自扣紧解决方案?
虽然自扣紧和焊接工艺都能有效地将紧固件应用于金属板,但自扣紧具有焊接所不及的多种优势。自扣紧创新的优势包括:
- 最大限度降低能耗: 与自扣紧方法相比,焊接需要消耗大量电能。自扣紧紧固件比焊接更清洁、更环保—无焊熔金属飞溅且能耗更低。
- 过程中安装: 自扣紧紧固件可简单高效地安装到普通圆孔中,无需二次作业。
- 连接牢固: 自扣紧紧固件的使用不涉及热源,这意味着没有薄弱点,而焊接会增加发生热应力的可能性。
- 降低成本: 更短的安装周期和中量以及大量应用的模内安装能力可以缩短生产周期并节约成本。而二次定位焊操作通常需要更长的周期。
- 准确度更高: 自扣紧可提供比焊接更准确的螺纹位置公差。
详细了解自扣紧紧固件创新
自扣紧紧固是在设计项目中产生牢固的金属板接合的最有效方式。但所使用的紧固件的可靠性取决于制造商。PEM®紧固件拥有80年历史,是行业内领先的自扣紧创新供应商。我们的专业领域横跨全球和多个行业,包括汽车电子(AE)、电动汽车(EV)、消费电子产品等。
想详细了解这些行业的 紧固件类型, 、应用和注意事项?我们的《设计工程师紧固件指南》包含您需要知道的一切。立即免费下载该指南。