强度无法达到欲求标准。当然我们必须了解超声波焊接机作业的强度绝不可能达到一体成型的强度，只能说接近于一体成型的强度，而其熔接强度的要求标准必须仰赖于多项的配合，这些配合是什么呢？※塑料材质：ABS与ABS相互相熔接的结果肯定比 ABS与PC相互熔 接的强度来的强，因为两种不同的材质其熔点也不会相同，当然熔接的强度也不可能相同，虽然我们探讨ABS与PC这两种材质可否相互熔接？我们的答案是绝对可以熔接，但是否熔接后的强度就是我们所要的？那就不一定了！而从另一方面思考假使ABS与耐隆、PP、PE相熔的情形又如何呢？如果超音波HORN瞬间发出150度的热能，虽然ABS材质己经熔化，但是耐隆、PVC、PP、PE只是软化而已。我们继续加温到270度以上，此时耐隆、PVC、PP、PE已 经可达于超音波熔接温度，但ABS材质已解析为另外分子结构了！
The intensity is not up to the desired standard. Of course, we must understand that the strength of the ultrasonic welding machine operation can never reach the strength of the integrated forming, which can only be said to be close to the strength of the integrated forming, and the required standard of its welding strength must depend on a number of fits. What are these fits? * plastic material: the result of ABS and ABS mutual fusion is certainly stronger than that of ABS and PC mutual fusion, because the melting point of two different materials will not be the same, of course, the strength of fusion is not the same, although we discuss whether ABS and PC can be mutually fused? Our answer is that welding is absolutely possible, but is the strength after welding what we want? Then not necessarily! On the other hand, what if ABS is fused with nylon, PP and PE? If the ultrasonic horn emits heat energy of 150 degrees in an instant, although ABS material has been melted, nylon, PVC, PP and PE are just softened. We continue to heat it to more than 270 ℃, at this time, nylon, PVC, PP, PE have reached the temperature of ultrasonic fusion, but the ABS material has been resolved into another molecular structure!
由以上论述即可归纳出结论：
相同熔点的塑料材质熔接强度愈强。
塑料材质熔点差距愈大，熔接强度愈小。
.塑料材质的密度愈高（硬质）会比密度愈低（韧性高）的熔接强度高。
制品表面产生伤痕或裂痕。在超音波熔接作业中，产品表面产生伤痕、结合处断裂或有裂痕是常见的。
因为在超音波作业中会产生两种情形：
高热能直接接触塑料产品表面
From the above discussion, we can conclude:
The stronger the fusion strength of plastic material with the same melting point.
The larger the melting point difference is, the smaller the welding strength is.
The higher the density (hard) of the plastic material, the higher the welding strength of the plastic material.
There are scars or cracks on the surface of products. In ultrasonic welding operation, it is common that there are scars on the surface of the product, cracks at the joint or cracks.
Because there are two situations in ultrasonic operation:
High heat energy direct contact with plastic product surface
振动传导 。
所以超音波发振作用于塑料产品时，产品表面就容易发生烫伤，而1m/m以内肉厚较薄之塑料柱或孔，也极易产生破裂现象，这是超音波作业先决现象是无可避免的。而在另一方面，有因超音波输出能量的不足(分机台与HORN上模)，在振动摩擦能量转换为热能时需要用长时间来熔接，以累积热能来弥补输出功率的不 足。此种熔接方式，不是在瞬间达到的振动摩擦热能，而需靠熔接时间来累积热能，期使塑料产品之熔点到达成为熔接效果，如此将造成热能停留在产品表面过久， 而所累积的温度与压力也将造成产品的烫伤、震断或破裂。是以此时必须考虑功率输出(段数)、熔接时间、动态压力等配合因素，来克服此种作业缺失。
Vibration conduction.
Therefore, when ultrasonic vibration is applied to plastic products, the surface of the products is easy to be scalded, and the plastic columns or holes with thinner meat thickness within 1 m / M are also prone to crack, which is the inevitable prerequisite for ultrasonic operation. On the other hand, due to the lack of ultrasonic output energy (extension and horn upper mode), it needs a long time to weld when the vibration friction energy is converted into heat energy, so as to accumulate heat energy to make up for the lack of output power. This welding method is not the vibration friction heat energy achieved in an instant, but needs to accumulate heat energy by the welding time, so as to make the melting point of the plastic product reach the fusion effect, which will cause the heat energy to stay on the product surface for too long, and the accumulated temperature and pressure will also cause scalding, breaking or cracking of the product. At this time, power output (number of sections), welding time, dynamic pressure and other factors must be considered to overcome the lack of this operation.
