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超聲波焊接原理

超聲波的産生（一）

目前所使用的超聲波聲源如第1表所示，分爲直接機械驅動和電氣驅動兩種。

在利用超声波进行物质结构研究时，人工能产生多高振动频率的超声波是一个很有兴趣的问题。现在，即使利用石英晶体谐振器的高阶倍振动，通常的限度也是300 Mc/s左右（即使在特殊条件下，1000Mc的例子也不是没有）。但是，正如固体理论中所熟知的那样，固体，液体和身体中自然存在着10⁹~10¹⁰ cps左右的热弹性波。这被称为“hy-personic wave”。

維埃索電晶體振蕩器

水晶自Langevin以来一直被使用，至今仍是稳定性最高的音源。除此之外，作为人工结晶，还利用了罗歇尔盐和ADP (Ammonium Dihydrogen Phosphate)作为音源。

从这样的结晶中适当地切割板子，这种切割方法是在结晶中决定的与正交坐标轴相关联，例如45°X cut，表示板面垂直于X轴，该面的边分别与y.z轴成45°。

這種振蕩器通常用諧振振動頻率f_r來表示，f_r是指板的厚度(厚度振動時)或長度(長度振動時)和

K是由弹性模量和密度确定的常数，称为frequency constant，例如水晶厚度振荡器，厚度为0.3mm时，fr=9.6Mc/s，从机械强度来说，很少使用比这个强度薄的。通过利用双倍振动获得更高的振动频率。也就是说，具有谐振振动频率fr的振荡器具有nfr (n;施加振动频率为奇数)的电压，可以激发双倍振动。由于电极的极性相等，偶数次的倍振动不能激发。罗氏盐45°X

以上就是湛江靈科超聲波爲大家介紹的相關信息，如果大家對焊接設備需要更深一步的了解，歡迎致電公司電話：0756-8626887，或者打開公司官網：/，我们很乐意为大家服务！

靈科超聲波堅持自主研發，最大力度投入研發設計，擁有一支近30年的研發制造團隊，發明創造170余項專利新技術。主要品牌有LINGGAO靈高、LINGKE靈科、SHENGFENG聲峰等。廣泛運用在醫療器械、電子器材、打印耗材、塑料、無紡布、包裝、汽配等多個領域，爲海內外各行業、企業提供了大量穩定性強的優質超聲波塑焊設備及應用方案。

超聲波的産生（二）

拉伸方向和塑性應變對軋制黃銅板超聲波測量參數的影響（三）

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