常见问题解答——关于超声波密封食品，您最关心的问题
发生器产生的高压电能，在换能器中转化为机械振动（即超声波）。焊接工具（焊头）将这些振动传递到待密封的薄膜上。摩擦生热， 使薄膜内部在极短时间内升温熔化。
由于焊接工具本身不发热，焊头的机械振动让封口在接合的同时迅速冷却。因此，超声波密封也被称为冷焊接工艺。
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超声波密封的优势显著，它包括：
- 无需额外接合助剂或铝层即可实现气密密封
- ，即使封口区域有污染物或残留物，仍能确保气密性；
- 封口宽度极窄，有效降低材料消耗；
- 模块无需预热或冷却，能耗可降低高达 80%；
- 工艺周期缩短至 100 毫秒至 200 毫秒；
- 精确控制器确保密封可靠、可复现，外观近乎完美，即便敏感材料工艺窗口窄也能应对自如；
- 冷焊接工具杜绝材料灼伤，同时避免内容物受到热影响
超声波技术可从以下方面助您满足 PPWR 关键要求，它包括：
- 使用可回收材料：
冷焊工具与精确控制器可安全密封单一材料、纸基材料等可持续包装。我们的应用专家可为您切换敏感材料提供专业建议。
- 减小包装尺寸：
超声波能穿过封口区域污染物实现可靠密封，因此封口宽度可比传统技术大幅减小。每个包装可节省 5 毫米至 10 毫米，有效降低包装尺寸、材料消耗和成本。
我们很乐意在超声波实验室与您进行初步可行性试验，测试您的具体应用。只需预约，即刻联系我们。
Thermoplastic materials can be quickly, securely and firmly connected using ultrasonics.
Applications can consist of several layers of plastic, while mono-materials or paper-based packaging materials with a thermoplastic layer can also be sealed reliably and with a perfect appearance.
Ultrasonics can also be used to apply valves or screw caps to coated cardboard packaging or films.
When developing a sealing solution, we focus on consulting. First carry out feasibility tests with your application in our ultrasonic laboratories and examine its weldability. Next, we determine the ideal welding parameters for your individual packaging. Once these are available, we can conduct further test series in your production system.
We are already familiar with many materials, so meaningful results are usually available after just a few test series.
Our space-saving modules can be integrated into both new and already existing systems.
We coordinate closely with you every step of the way and are available to answer any questions during all phases of our partnership.
Ultrasonics is suitable for a wide range of packaging applications, but not all. It is important to us that our solution provides real, measurable added value. If this is not the case, we will communicate this transparently and openly.
Please contact us, and we will be happy to consult with you to see if we can help.
Find out more about sealing packaging materials here.
Special information about our ultrasonics solutions in the FOOD industry can be found here.
