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Chapter 770 So terrifying

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    Zhuang Jianye was so heroic when he said this, Merlinz was extremely surprised when he heard it.

    But to his surprise, Merlinz did not believe all Zhuang Jianye's lies. Instead, he carefully looked at each device one by one, and then discovered that what Zhuang Jianye said was actually true.

    Others may not quite understand what ultrasonic vibration processing technology is, but Merlinz, who started out in aviation technology and has been involved in buying and selling aerospace spare parts, has heard about it for a long time.

    Even in the early years when Fairchild Aviation Manufacturing Company was making good profits, Merlinz, who had just squeezed into the top management of Fairchild, advocated the introduction of several similar equipment for the processing of some materials with high hardness and brittleness.

    So we are no stranger to ultrasonic vibration processing technology.

    The so-called ultrasonic vibration processing technology, as the name suggests, is to add vibration elements in the mechanical processing process. Because the working frequency range of vibration is generally 17.5~48 kilohertz, which basically belongs to the frequency range of ultrasonic waves, it is called "ultrasonic vibration processing".

    As for the generation of ultrasonic vibration, a high-level signal generator with piezoelectric ceramics as the core uses the discharge effect of current to promote the corresponding contraction and expansion of piezoelectric ceramics, thereby obtaining high-frequency vibrations of 17.5 to 48 kilohertz. However, at this time  The amplitude is not large, only 2~3 microns, which is not enough to affect the cutting tools or drills used in machining.

    Therefore, it must be further amplified to 3~50 microns through the amplifier device, and then through a series of software and hardware controls, at the maximum amplitude point, the diamond particles or other hard materials attached to the tool or drill bit will then hit the tool together.  surface, thus achieving the effect of collaborative processing.

    In this way, the benefits are also obvious. Due to the additional properties of ultrasonic vibration, the mechanical processing equipment changes from periodic only vibration to regular forced vibration under periodic excitation, which not only suppresses the violation rate vibration of the tool or drill bit  , reduces the force and high temperature generated by machining, and enhances the dynamic stability of the machining system, thereby improving the quality of machining and the life of the tool or drill.

    Of course, wanting to achieve the above advantages is not as simple as simply installing an ultrasonic vibration processing generator, but requires an unusual knowledge and understanding of mechanical processing equipment.

    This is not just about dismantling and reinstalling it, or being able to skillfully repair it except for a few problems, but it requires being familiar with every detail and data.

    The reason for this is very simple, that is, there is a critical step that cannot be avoided for mechanical processing equipment that uses ultrasonic vibration processing technology, and that is adjustment.

    Just like the chassis of a car, it really isn't produced. You can just install a metal shell and drive it. The adjustment of the chassis is also an important part. It doesn't matter whether it's too soft or too hard. Only by being impartial can the best performance of the vehicle be brought out.  Best performance.

    The same is true for mechanical processing equipment that applies ultrasonic vibration processing technology. It is not difficult to install an ultrasonic vibration generator. The principle is there. Ordinary workers who have received basic mechanical processing training can easily install a piece of equipment by reading the instructions.  Modification completed.

    The question is can such equipment be used?

    Of course not.

    The reason is very simple. Do the frequency and amplitude of ultrasonic vibration match the rotation speed of the spindle?  Can it be transmitted to the tool or drill of the equipment at the point of maximum amplitude?  Does the feed rate of the equipment need to be coordinated?  If the equipment has a gear, should the amplitude of the ultrasonic generator be reduced first or should the spindle speed be controlled first?  If it is CNC equipment, how should the various functions of ultrasonic vibration be integrated into the CNC program

    There are many problems that cannot be solved by ordinary workers who are proficient in mechanical disciplines, but can be solved by senior institutions who have a thorough understanding of different equipment, different processes, and different processes. In other words, they have very rich experience in using equipment.  Only professional organizations with relevant manufacturing technologies are qualified to play with these things.

    Because of this, there are only a handful of companies in the world that can do ultrasonic vibration processing technology well, and the former Soviet Union, Japan and Germany are among the best.

    With the disintegration of the Soviet Union, Russia has lagged behind in CNC machine tools for a long time. The ultrasonic vibration processing technology that it was proud of in the past has begun to decline just like this country; Japan is a little better, but as the asset bubble bursts, the economy begins to stagnate, and Japan  We are currently in a state of weakness in this regard.

    Only after agreeing, Germany still leads the way in ultrasonic vibration processing technology. This is also an important reason why German mechanical processing equipment is famous internationally. In addition to its strong foundation in mechanical equipment production, Germany has comprehensively adjusted ultrasonic vibration processing technology.  We are the best at it, so much so that the stability, controllability and machining accuracy of German machine tools that apply this technology are the best in the world.

    So much so that even the United States, which boasts that its technology is crushing the solar system, feels ashamed of itself, but it is not the United States.?You can't play with ultrasonic vibration processing technology, but the Americans' adjustment is not as smooth as the Germans. In addition, Americans prefer to use high-precision processing equipment to manufacture high-precision products.

    So customers ask what your products are made of?

    Answer: Laser priming, electron beam coating, and then plasma isolation, it sounds as fancy as it sounds, and by the way, you can also raise the price from the ground up and earn more labor fees.

    If the answer is that it is produced using mechanical processing equipment equipped with ultrasonic vibration processing technology, the quality will immediately drop several levels. How can you raise the price from the ground up?

    This is why Fairchild was preparing to introduce similar equipment, but finally gave up and turned around and built an electron beam equipment that was three times more expensive.

    There is no way, others have it, but you don¡¯t. Customers think that your production technology is backward, let alone give you orders.

    But as a result, the price of aerospace spare parts in the United States has skyrocketed. In the end, Lockheed, which wants to reduce costs, has to turn its head and look for the best solution.

    Various types of processing equipment that apply ultrasonic vibration processing technology are one of the few ways to control the cost of aerospace products. After all, the cost of mechanical processing equipment is much lower than that of high-end lasers, electron beams, etc., even if  With the addition of ultrasonic vibration processing technology, it is only half of the high-precision equipment such as lasers and electron beams.

    But the things it produces are no better than lasers, electron beams and other high-precision equipment, and even have advantages that other equipment does not have in the processing of carbon fiber composite materials and metal matrix composite materials.

    Therefore, Zhuang Jianye¡¯s statement that he will reduce the cost of satellites is not an empty talk, but a true insight that can be realized.

    However, Merlinz was not concerned about these at the moment. Instead, he was looking at the dazzling DL series aerospace professional equipment in front of him.  I was not excited, but stimulated by the many devices that used ultrasonic vibration processing technology in front of me.

    So much so that I couldn't stop roaring in my heart, and asked three questions in my soul: "Is this China? Is Ascendas Group's achievements in special aerospace equipment so terrifying? Um Am I dreaming? I'm at home.  Sleepwalking in the living room"

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