Technical Info

Comparison of ultrasonic barrels and existing barrel finishing Ultrasonic barrels have major disadvantages. The major disadvantages are described below.

1, No tradition. This is a major problem.

According to my research, there are more than 200 deburring machine manufacturers in Europe and the U.S. In the EU, as far as I can see from their websites, tradition and the transmission of technology are emphasized, and in Germany, there are some barrel makers who boast of three generations of parents and children. Looking at the number of barrel makers and their history, there must be several hundred thousand, or even several million barrel finishing machines in use in the world. The amount of technical information that can be gathered from these machines would be astronomical. The material, shape, and density of the media, the type and amount of compound. The information on the pressure and relative velocity to the surface of the target product, and their seemingly infinite combinations, will advance the world’s barrel makers. Barrel makers who consolidate and manage their customers’ information will be able to manage the information numerically, and will be able to quickly find the best solution to a customer’s request from the infinite combinations of information. This is tradition. It is a treasure trove of achievements.

Ultrasonic barrel technology does not have this. We are the only company in the world that has put ultrasonic barrel finishing to practical use. We cannot meet the expectations of our customers who are looking for a large number of achievements.

2, There is a limit to the number of pieces processed at one time.

Existing barrel finishing methods can, in principle, be experimented with and data can be obtained from a single piece. Ultrasonic barrel polishing does not use media. Ultrasonic barrel finishing uses cavities generated by ultrasonic waves and co-friction caused by ultrasonic vibrations. Therefore, as a rule, more than 100 pieces are used in a single experiment, and for electronic components, tens of thousands of pieces are used in a single ultrasonic barrel experiment. In principle, the customer should prepare the same desired number of pieces as in the actual equipment.

3，The surface cannot be pear-shaped or shaved.

Existing barrel finishing may be able to perform various machining actions on the surface of the target product by selecting the media, but ultrasonic barrel finishing is for deburring and polishing only. Depending on the irradiation time, it may be possible to r-ring the corners. Removal of oxide film on the surface is also possible, but it is considered inferior to barrel polishing.

4，Ultrasonic barrels of other companies have been tested with no ultrasonic effect.

The same word “ultrasonic” does not necessarily mean that the results of such experiments are the same. The results of ultrasonic experiments, in which the participants simply tried to use ultrasonic waves without knowing the principles of ultrasonic cleaning technology, lie in the memory warehouses of many customers’ technical offices. It is difficult to break down this wall. Ultrasonic technology that uses gas nebula type cavities, which are a collection of cavities less than 1 mm in diameter, can undermine the credibility of ultrasonic technology and immobilize the wrong technology. The modern era is the era of ultrasonic technology, which generates numerous giant vacuum energy balls, up to 10 mm in diameter, for cleaning and etching.

Past performance denies evolution.

5, Theorizing and quantifying barriers

In many cases, the person in charge of introducing a new technology is required by the responsible department to control and compensate with numerical data based on the theory of the technology. The cavities generated by ultrasound are not a single vacuum bubble, but a collection of smaller vacuum bubbles (called microcavities), which synchronously generate and annihilate more than 20,000 times per second. The shock waves generated in the direction away from the central nucleus and in the opposite direction are named positive and negative shock waves, and were proposed to engineers and researchers around the world. Forty years have passed since then. No analysis program for the inside of the cavity has yet been proposed by anyone. Sound waves in an ultrasonic chamber propagate at 1400 to 1500 meters per second; the behavior of coarse and dense waves and changes in sound pressure are also unmanageable in an enclosed space with a reflective surface of less than 1 meter, and no one without a supercomputer can answer these questions.

Here, we can condemn and deny their use. Conversely, we can manage by the metrics that are available to us at the time the results are obtained. And slowly but surely, we will shrink the circle of knowledge. Whatever the world was like before the Big Bang that created the universe, we can live in the present.

New technologies are always in the backwash.

by shibano