JPS60213436A - Method of manufacturing product with the use of soundwave holography - Google Patents

Abstract

PURPOSE:To aim at manufacturing a structure member having a complicated or topological inside structure, by optionally distributing the vibration energy of sound wave in the entire area extending from the outer surface of a solid material to the inside thereof with the use of a computer sound wave holography, etc. CONSTITUTION:It is possible to concentrate vibration energy to a point in the inside of a solid material 1 with the use of sound wave holography, and when the vibration energy concentrated to the focal point P has a power higher than a predetermined value, the part of the point P in the solid material is destroyed by the vibration energy. When the focal point P is scanned within the solid material 1, the scanned part may be destroyed to cut out a cylindrical column 2 in the inside of the solid material 1. In this case, if a part having a thickness DELTAd is destroyed, a cylindrical column 3 inside of the column 2 may be taken out, thereby the solid material 1 is splitted into two pieces. Further, since the thickness DELTAd may be made extremely small, machining having a satisfactory yield may be realized.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for directly processing solid materials using acoustic holography technology.

Holography machine tool (Japanese patent application number 56-08
2396) was a method of manufacturing products by solidifying design information spatialized by holography through sublimation of a gaseous material. On the other hand, the purpose of the present invention is to process a solid material particularly by sonic holography. In the sublimation method and the electromagnetic wave method, the material of the product must be able to withstand high temperatures and must not undergo any change during sublimation. On the other hand, in the method of processing solid materials using acoustic holography, it is possible to process, for example, wood and stone, and metals at the same time. In addition, the machine tools that have been proposed in the past are based on a production process in which solid materials are cut using blades or lasers, and the machine tools themselves have limitations in terms of processing performance for the products they produce. .

Therefore, it is difficult to directly manufacture products with complex internal structures and topological structures using conventional machine tools at the stage of designing them.
It has already been defined as an inevitable limit, and it has been difficult to create a concrete product.

The present invention solves the drawbacks that the conventional machine tools described above inevitably have, and its purpose is to apply the technology of sonic holography (1, for example, computer-generated sonic holography) to produce a The object of the present invention is to provide a new method for processing solid materials that utilizes a method that allows the vibrational energy of sound waves to be freely distributed throughout the entire region up to the interior. Therefore, according to the present invention, it is possible to easily manufacture a product having a complicated internal structure or a topological structure.

BRIEF DESCRIPTION OF THE DRAWINGS In order to explain the present invention in more detail, the same will be described below with reference to the accompanying drawings.

As shown in Fig. 1, a point P(
A point is actually a tiny area) using acoustic holography.
It is possible to concentrate vibrational energy.

In this case, W III T : h
When the strength is JL 4-bar or higher, the solid material at the focal point P will be trapped by the vibrational energy and destroyed. Next, when this focal point P is scanned in the solid material (1), the scanned part can be destroyed. Therefore, for example, as shown in FIG.
) can be hollowed out with a cylinder (2) inside. In this case, if the part with the thickness difference Δd is destroyed, the solid material (1) will be separated into two parts by taking out the inner cylinder (3) as shown in the cross-sectional view in Figure 3. That will happen. Note that in this case, since Δd can be made extremely small, the processing according to the present invention can be performed with an extremely high yield. Moreover, in the present invention,
It goes without saying that processing such as cutting simpler rod-shaped objects or cutting out plate-shaped objects is also possible.

Further, the method according to the present invention can process even items that cannot be taken out to the outside, such as the cylinder (3) described above. As shown in Fig. 4, when it is desired to process a spherical cavity (4) inside a solid material (1), a discharge port (5) is provided in a part of the solid material (1), and the inside of the sphere (2) is brought into focus P. Destroy it into powder by scanning 1. X, spout (S), li, 1, T discharge to the outside. However, in the above case, it is not necessarily necessary to destroy it into powder form, but as shown in Figure 5, it is sufficient to divide it into small pieces (7) that can be discharged from the discharge port (5) and discharge them. . This method is a good method for saving energy required for processing and improving processing time efficiency. In this way, the method according to the invention can process topological shapes.
Moreover, it is a matter of course that it is possible to process not only spherical objects but also objects with more complicated shapes.

Next, a method of transmitting the vibration energy of the acoustic holography of the present invention to a processed material will be described. The first method is to simply transmit the sound source directly to the solid material.

The second method is when it is difficult to directly transmit the sound source to a solid material, as shown in Figure 6, the solid material (9) is immersed in a liquid (11), and this liquid (11) is This is a method of transmitting the vibrational energy of sound waves to a solid material (9) as a medium. The third method is to use gas as the medium instead of liquid. The fourth method is to cover a solid material (for example, gold Ji!) with another solid material (for example, plastic), and then use the covered material as a medium to transmit the vibrational energy of sound waves to the target processing material. This is the way to do it.

Next, important points as a method for improving processing accuracy of the present invention will be described. To do this, the properties of the material and medium must be linked to the processing conditions. In order to improve processing accuracy, it is important to accurately position the focal point P realized inside the solid material (1) shown in FIG. In order to do so, it is necessary to accurately understand the properties of the solid material (1). That is, the characteristics of sound wave transmission in solid materials usually have subtle differences and are not constant even in the same type of material, so the characteristics must be measured individually for each processing. That is, in the present invention, a solid material, a solid medium, a liquid medium,
The purpose can be better achieved by linking a processing device with a device that measures the characteristics of sound wave transmission in a gaseous medium or the like. As a measurement device, acoustic holography
It is possible to apply conventionally known devices such as a device using the technology described above, a tomographic measuring device using sound wave reflection, a device using electromagnetic holography technology, and a tomographic measuring device using electromagnetic wave reflection.

As described above, the present invention allows materials to be freely controlled three-dimensionally.
This also reduces the amount of energy required for the process, which helps conserve energy and resources.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a solid material (1) and a focal point P where the vibrational energy of acoustic holography is concentrated on one point (actually, a minute area) inside the solid material. FIG. 2 is a perspective view showing a state in which a cylindrical portion (3) is separated by destroying a portion having a thickness Δd by scanning the focal point P inside the solid material (1). FIG. 3 is a sectional view of FIG. 2. FIG. 4 is a perspective view showing a state in which a spherical cavity (4) is formed inside a solid material (1). Fig. 5 shows a method of omitting the method shown in Fig. 4, in which the inside of the spherical cavity (4) is not processed into powder, and the small piece (8) of the small part (7) is thick enough to be discharged from the discharge port (5). ) is a cross-sectional view showing the state of discharge. 6th
The figure shows a cross-sectional view of a container (12) in which a solid material (9) is placed and filled with a liquid medium (11). 1...Solid material. 2...Cylindrical outer surface. 3...Cylindrical inner surface, 4...
Spherical cavity. 5...Exhaust port. 6...Solid material (1) is destroyed and turned into powder. 7...Virtual cutting position that is large enough to be discharged from the discharge port (5). 8...Small pieces that are sized to be discharged from the discharge port (5). 9...Irregularly shaped solid material. 10......A virtual form of a product made inside a solid material. 11...Liquid medium for transmitting sound waves to solid material (9). 12...
·······container. Patent applicant: Seiko Matsunaga 1 area Atsushi 3 ↓ Mi・・2～ra・；°゛・

Claims (1)

[Claims] 1. Concentrating the vibrational energy of a sound wave at a single point in a solid material (point actually means a microscopic area; the same applies hereinafter) using the technology of acoustic holography. A method of manufacturing a product using sound wave holography technology, which is characterized by processing a solid material by destroying the concentrated part by Claim 1, characterized in that a solid material is processed by concentrating the vibration/energy of a sound wave and sequentially and continuously moving the position of the point, that is, by scanning the focal point of the vibration energy. A method of manufacturing a product using the sound wave holography technique described above. 3. As a method of transmitting sound waves to a solid material, a sound source is directly connected to a part of the solid material to transmit sound waves to the solid material. A method of manufacturing a product using the sound wave holography technology according to claims 1 and 2, which is characterized by transmitting vibration energy. 4. As a method of transmitting sound waves to a solid material. Claims 1 and 2 are characterized in that a solid material is placed in a liquid medium, and the vibration energy of the sound wave is transmitted to the solid material via the vibration energy of the sound wave transmitted to the liquid medium.
A method of manufacturing a product using the acoustic holography technique described in Section 1. 5. Acoustic holography according to claim 4, characterized in that a gas medium is used instead of a liquid medium.
A method of manufacturing products using technology. 6. Claims 1, 2, and 3, characterized in that they are linked to a device that measures the propagation properties of sound waves in solid materials or media using acoustic holography technology.
A method of manufacturing a product using the sonic holography technology described in items 4 and 5. 7. Claims 1, 2, and 3 are characterized in that they are linked to a device that measures the transmission properties of sound waves in solid materials or media using electromagnetic holography technology.
A method of manufacturing a product using the acoustic holography technology described in Items 1, 4, and 5. 8. Claims 1, 2, 3, and 3 are characterized in that they are linked to a device that measures the propagation properties of sound waves in a material or medium using tomographic measurement technology based on the reflection of sound waves. A method of manufacturing a product using the acoustic holography technology described in items 4 and 5. 9. Claims 1, 2, and 3 are characterized in that they are linked to a device that measures the propagation properties of sound waves in a material or medium using tomographic measurement technology based on reflection of electromagnetic waves.
A method of manufacturing a product using the acoustic holography technology described in Items 1, 4, and 5. 10. When processing a product that has an internal space larger than the cross-sectional space leading to the outside, breaking the material occupying the internal space into powder and discharging the powder from the cross-sectional space leading to the outside. 1. A method of manufacturing a product using sound wave holography technology, characterized in that the product is manufactured by using the technology of sound wave holography. 11. Claim 10, characterized in that instead of turning the material occupying the internal space into powder, it is divided into pieces large enough to be discharged from the cross-sectional space leading to the outside, and then discharged to the outside. A method of manufacturing a product using the acoustic holography technique described in Section 1.