KR100281999B1 - Stringed Resonance Board and Manufacturing Method Thereof - Google Patents

Abstract

The present invention relates to a resonance plate used for stringed instruments and a method for producing the resonance plate,

When lumber is lumbered, lumber is removed by excluding the old layer in the center, or the old layer in the center is sanctioned by a certain angle at the center, the outer peripheral surface is removed, and the outer cut surfaces are joined together and exposed to both sides. Used to make the resonance plate of the lymph barrel made by removing the old layer, it removes the sponge and the old layer, so when the string instrument is played, the sound is absorbed and not disappeared. Therefore, it is possible to provide a string instrument that is excellent in sound quality, clear in tone and transparent.

Description

Stringed Resonance Board and Manufacturing Method Thereof

The present invention relates to a resonance plate used for stringed instruments and a method for producing the resonance plate.

To explain this in more detail, in manufacturing a string instrument resonance board using wood, the wood is cut at a predetermined angle with respect to the center by cutting at an angle, and the outer shell is cut and removed so that the outer cut surfaces are bonded to each other. Joining the two lumber and cutting the center portion 11 of the solid wood 10 exposed to both sides and then processed by the resonance plate of the ring.

String instruments, such as gayageum, are made of wood, mainly made of paulownia and chestnut, and in order to produce better strings in making wood, and to make strings that do not change even after long-term storage. It is desired.

The present invention seeks to provide a string instrument that is excellent in sound quality and is not deteriorated, and the principles of the present invention can also be applied to the production of other string instruments such as lyre and violins.

Figure 1a is a perspective view showing the gayageum (1), one of the unique musical instruments of our nation among the various stringed instruments, the ring is made of a resonance plate consisting of the upper plate (3) and lower plate (3), as shown in Figure 1B, The upper plate (2) used the paulownia tree, which had the best sound, soft texture, and strong insects. The lower plate (3) used chestnut tree that was strong, soft, clear, and with good sound.

As described above, the wood (wood) is briefly described as to the structure of the bar that is mainly used to manufacture the resonant barrel of the stringed instrument. Trees are made of outer skin, inner skin, and stalks from the outermost to the inner side, and inside the swellings, the inner tree is formed. The inner tree is formed of rings that can identify the tree's age. The inside is the old heat wood and the outside is the sap wood.

The young layer is located in the periphery of the genus, and it is short-lived as it grows the tree, while responding well to the preservation treatment. The old layer is located in the center of the genus, which acts as a support and has a long preservation period. extractives). Each layer consists of thin walls (vessels, pores), thick tracheids, fiber tracheids (fibres), and parenchymal cells, and each cell is a perforation plate. Up and down passages), and cell wall holes (pits).

Therefore, the longer the tree, the older the layer becomes softer like a sponge with more dissolved substance (extractives), a space is formed in the center, and a small hole (osteoporosis) occurs around it. It is desirable to avoid layers.

By the way, in the prior art in the configuration of the upper plate (2) and the lower plate (3) of the conventional tubing has been produced and manufactured by the method as shown in Figs. That is, in the prior art, the lumber used for the upper plate 2 and the lower plate 3 was banned by the method as shown in FIG. 2. The outer part 12 of the upper, lower, left, and right is removed from the log 10 of the logs 10 having the bark removed and cut to a certain size, and then removed in a rectangular shape. I did. As such, the lumber wood 14, which has a constant size and thickness, is processed into the upper plate 2 and the lower plate 3, as shown in FIG. 3, and the upper plate 2 is the upper side as shown in FIG. The removal portion 16-1 and the lower removal portion 17-1 were processed and removed to maintain a constant thickness by the upper processing surface 16 and the lower processing surface 17, and the lower plate 3 was made of lumber (14). The top, bottom and sides of the) are processed into flat plates by processing means such as planers.

The upper plate (2) and the lower plate (3) thus processed were used as the resonance plate of the string instrument.

However, when using the lumber 14 made by cutting the wood 10 in a rectangular shape as described above, the following problems arise as disadvantages when the resonance plate of the upper plate 2 and the lower plate 3 is manufactured.

As shown in FIG. 2, when looking at the log 10, the genus (wood, xylen, wood) has a ring 13 formed at regular intervals from the central portion 11 to the outer portion 12, and the ring 13 is As indicated by the reception of the tree, the ring 13 of the central portion 11 is composed of old heat wood, and the ring 13 of the outer portion 12 is composed of a sap wood produced in recent years. have.

Therefore, when the wood is lumbered in the shape of a rectangular plate, the old layer of the central portion 11 is divided into several branches. As shown in FIG. 3, the lumber 14 including the old layer is shown in FIG. As used to produce the upper plate (2) or lower plate (3) is a problem that the sound quality is significantly degraded. That is, the old layer of the central part 11 is located in the middle of the lumber 14 when the wood (wood) is lumbered, so that even if it is processed as shown in (a) and (b) of FIG. In most cases, the old layer is outside the upper and lower removal portions 16-1 and 17-1 and remains on the upper plate 2 and the lower plate 3. In this way, when the lumberwood 14 having the old layer is used as the upper plate 2 and the lower plate 3 to produce the gayageum, the sound generated from the strings when the gayageum 1 is played is reflected by the younger layer. Is good but is absorbed by the old. That is, when the sound generated from the string collides with the old layer, the old layer is deformed like a sponge by melted substance (extractives), so the sound is not reflected and absorbs like the ice sound device. There was a problem throwing away. In addition, some of the sound is introduced into the osteopores and scattered to suppress the generation of sound, there was a problem that the sound is not evenly generated.

In this way, if the sound generated from the string is sucked out by the old layer of the central part 11 and disappeared and is not evenly generated by the osteoporosis, the resonance phenomenon is distracted and disordered when the gayageum 1 is played, and the sound quality is remarkably. In addition to falling, there was a problem that the tone is not clear and clean.

In addition, when the top plate (2) is sanctioned in order to make it easier to manufacture the roots, "Saw sanctioned by the shape of the older part of the center (11) is further subdivided, and by using it, there was a discontinuity to produce a gayageum of poor sound quality and tone.

The present invention is to provide a resonator board for stringed instruments and a method of manufacturing the same that can solve the problems and the above-mentioned disadvantages.

An object of the present invention is to provide a resonance plate and a method of manufacturing the same that can improve the sound quality and to give a clear and clean sound by excluding the central portion of the aged when manufacturing the resonance plate.

Another object of the present invention is to provide a resonance plate capable of improving a resonance effect even if the bulk density and the area density are the same.

Still another object of the present invention is to provide a method of manufacturing a resonance plate that can maximize the utilization rate of wood by allowing the sanction by differently removing the center of the old layer according to the size of the log (log).

Another object of the present invention to provide a resonance plate and a method of manufacturing the same that can be applied to other string instruments, such as Western string instruments such as violin, viola, as well as traditional string instruments such as lyre, agen, daegeung, gold, seul, including gayageum have.

The above and other objects of the present invention,

In the resonance plate processing the lumber lumber made of the wood 10 to the upper plate (2) or lower plate (3), the wood 10 is lumbered by the lumber 20 by a predetermined angle from the center 11 and each lumber The outer periphery of the 20 is cut and removed so that the cut surface 23 is formed, and the lumber wood 20 is formed integrally by joining the cut surfaces 23 and the outer aged layer 11-1 of the joined lumber 20-1. Resonance board, characterized in that the processed to a predetermined shape after removing the) and the wood 10, the lumber lumber (20-2) of the flat plate so that the old layer (11-1) of the central portion 11 is excluded and the lumber It is achieved by a resonance plate characterized in that (20-2) is processed into a constant shape.

In the present invention, when the sawn timber 20, 20-1 to the timber 10, the sawn timber 20, which is sanctioned or sanctioned while excluding the old layer (11-1) of the center portion 11 at the source After removing the old layer (11-1) exposed to both sides after the integrally bonded to the production of the resonance plate, there is no sound-absorbing layer that absorbs sound, so that the sound quality is improved and the tone can be provided with a clear and clean resonance plate .

Figure 1a is a perspective view showing the gayageum among stringed instruments

Figure 1b is a cross-sectional view showing the structure of the ring of gayageum

Figure 2 is an exemplary view showing a conventional altar method for processing the resonance plate from solid wood

3a and 3b is an exemplary view showing a state of processing a conventional resonance plate using the altar wood cut from solid wood

4 and 5 are each exemplary view showing a process for producing a resonance plate according to the present invention.

6 and 7 is an exemplary view showing another method of lumber in the manufacture of the resonance plate according to the present invention

Explanation of symbols on the main parts of the drawings

1: Gayageum 2: Tops

3: lower plate 4: side support plate

10: solid wood 11: center

12: outer part 13: ring

14: lumber 15: removal unit

16: upper machining surface 17: lower machining surface

20: lumber 21, 22: cross section

23: cutting surface 24: waste part

25: adhesive 26: cross section

27: side waste 28: upper side processing

29: lower side

The above and other objects and features of the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

4 and 5 are exemplary views showing a process of manufacturing a resonance plate according to the present invention, Figures 6b and 7 are exemplary views showing another embodiment of the lumber for producing a resonance plate.

In the present invention, the size of the log 10, that is, the diameter (R) is small and can not be a stand-alone type and the diameter (R) is large, depending on the sawing method and the ring of the wood 10 The manufacturing process will be different.

4 is an exemplary view showing a case in which the diameter R of the log 10 is small so that the ring tub cannot be molded in a single type. Since the diameter (R) of the log 10 is small, as shown in (a), it is sanctioned by a predetermined angle (∠θ) based on the central portion 11 of the log 10.

The angle (∠θ) will vary depending on the type of instrument and the diameter (R) of the solid wood 10, in the case of manufacturing the top plate 2 of the gayageum (1) should be 300mm or more in width Since the minimum should be 500mm, it should be sanctioned at an appropriate angle (∠θ).

The lumber lumber 20, which is primarily banned, has a right angle between the sectional planes 21 and 22 that are secondly banned from the inclined sectional planes 21 and 22, as shown in (b). (R) is removed to remove the outer waste part 24.

The lumber 20-1, which is sanctioned at right angles by the process of primary and secondary materials, combines the two into one pair as shown in (c). A normal glue is applied to the inclined surface of the lumber lumber 200-1 to integrate it into a large isosceles triangle.

radius( In the case of using the log 10 having a small size, the lumber 20-1 must be joined as shown in (c) even if the side removal portion 27 including the old layer 11-1 is removed by the saw. The width (W) of the side cross-sections 26 between the two sides can be kept in line with or slightly larger than the width of the ring to be manufactured later.

Joined lumber 20-1, from which the old layers 11-1 on both sides are removed, is molded into a characteristic resonance plate as shown in (d). For example, in the case of manufacturing the upper plate 2 of the gayageum 1, the upper and lower removing portions 28-1 and 29-1 are processed and removed so that the upper processing surface 28 and the lower processing surface 29 are parallel to each other. When the lower plate 2 is manufactured, the upper processing surface 28 is formed into a flat plate by the upper removing unit 28-1, and the bottom surface is processed into a flat plate.

5 is an exemplary diagram in which the embodiment of FIG. 4 is slightly modified.

As shown in (a), the sawing of the timber 20 by the predetermined angle (∠θ) of the solid wood 10 is performed as in FIG. 4 (a).

When cutting and removing the waste part 24 from the lumber lumber 20 to the outer circumferential side, cut both ends of the outer circumference in a straight line as in (b). To form an isosceles triangle,

As shown in (c), the lumber lumber 20-1, which is lumbered into an isosceles triangle, is bonded to the cut surfaces 23 of the two lumber lumber 20 by means of an adhesive means such as glue. After the mold is formed, the side waste portion 27 including the old layer 11-1 on the left and right sides is removed.

Using the joining-type lumber 20-1 having both sides removed, it is manufactured as a predetermined resonance plate as shown in (d). For example, when the upper plate 2 or the lower plate 3 of the gayageum 1 is manufactured, The upper removal surface 28 and the lower processing surface 29 may be processed into shapes according to their characteristics by removing the lower removal portions 28-1 and 29-1.

6 and 7 are exemplary diagrams in which the diameter R of the solid wood 10 is large so that the lumber is divided into a single type of lumber 20-2 and 20-3 without bonding the divided lumber.

FIG. 6 is an exemplary view showing a state of being sanitized by a lumber 20-2 which becomes a single type and a flat plate, and shows the young layer 12-of the outer portion 12 except for the old layer 11-1 of the central portion 11. 1) Only by the one-piece lumber lumber 20-2, the lumber lumber 20-2 is a flat plate, so according to the characteristics of the resonance plate, for example, gayageum (1) as shown in FIG. The upper plate 2 and the lower plate 3 may be processed.

FIG. 7 is a slight modification of the embodiment of FIG. 6, in which case the lumber 20-3 is directly chopped into a curved shape when it is to be processed into a curved resonance plate such as the top plate 2 of the gayageum 1. The resonance plate such as the top plate 2 can be produced more easily.

Hereinafter, specific embodiments of the present invention will be described.

The embodiment describes the manufacturing of the resonance plate of the rim of manufacturing the gayageum (1).

First, check the diameter (R) of the log 10 with a ruler. In the case of manufacturing the upper plate (2) and the lower plate (3), which is the ring of the gayageum (1), these widths are generally maintained at around 24 cm, so that the radius of the solid wood (10) to be banned as a single type of lumber ( ) Should be 32.5cm or more, and the radius of the solid wood (10) ) Should be at least 17cm.

That is, since the old layer 11-1 of the center 11 in the wood 10 maintains 20-25% of the diameter R of the wood 10, except for this (radius or 20-25% of the diameter) radius( This is to check whether or not the lumber of a single type can be directly sanctioned in the younger group 12-1 of).

Example 1

The diameter (R) of the log 10 to be lumbered was measured with a ruler to confirm that the diameter (R) was 65 cm or less.

Therefore, the timber 20 can be applied to the sawing method as shown in Figs. 4 and 5 (a), the first sawing the timber 20 of 16 pieces by the angle of 22, 5 degrees.

Each of the lumbers 20 was subjected to secondary sawing so that the cut surface 23 was perpendicular to the cutting edge 21 on one side, thereby obtaining a right-angled triangular lumber 20-1.

Glue is applied to the cut surface 23 of the secondary lumber lumber 20-1, and the cut surfaces 23 are bonded to each other to bond the two lumber lumber 20-1 to one isosceles triangle-shaped adhesive lumber having a long left and right sides. 20-1).

The side waste portion 27 of the old layer 11-1 located on both the left and right sides of the bonded joined lumber 20-1 is removed by the lumber, but the remaining width W is 24 cm or more. It was. As the lumber 20-1 from which the side waste portions 27 on both the left and right sides are removed, the upper side surface 28 and the lower side surface 29 are processed into a curved surface or a flat surface, so that the upper plate 2 and the lower plate 3 are processed. Got.

Example 2

The diameter (R) of the log 10 to be lumbered was measured, and it was confirmed that the diameter (R) was 65 cm or more.

Therefore, as a method for banning the log 10 may be a method as shown in Figures 6 and 7, in the present embodiment sawing the log 10 by the method of FIG.

Prior to sanction, the old floor 11-1 is marked at the center of the ring 13 so as to be identified from the outside. The old layer 11-1 of the center portion 11 was lumbered with a flat lumber 20 while maintaining a predetermined thickness and width W while not being included in the lumber.

As the lumber lumber 20-3 lumbered in the form of a flat plate, the upper side processing surface 28 and the lower side processing surface 29 were processed into the curved surface or the flat surface, and the upper plate 2 and the lower plate 3 were obtained.

As can be seen in the above embodiment, the present invention is made of a single type or a joined type of lumber having different lumbering methods depending on the characteristics of the string instrument as the final object, that is, the size and shape of the ring and the diameter (R) of the wood. It can be seen that it can be produced by.

As described above, according to the present invention,

When lumbering wood as lumber, it is banned while cutting the old layer in the center, or the old layer in the center is sanctioned by a certain angle at the center, and the outer peripheral surface is removed and the outer cutting surfaces are joined together and exposed to both sides. Used to make the resonance plate of the lymph barrel made by removing the old layer, it removes the sponge and the old layer, so when the string instrument is played, the sound is absorbed and not disappeared. Therefore, it is possible to provide a string instrument that is excellent in sound quality and clear in tone.

In particular, the present invention can minimize the loss of the young layer in the wood (maximum utilization rate) by varying the sanction method according to the size of the timber and the characteristics of the string instrument, that is, the characteristics of the ring ring, and not complicated compared to the conventional manufacturing method It can manufacture.

In addition, the principles of the present invention can be applied to the production of Korean string instruments such as gayageum as illustrated in the above embodiment, and can also be applied to the production of other string instruments such as guitar, violin, viola, cello.

Claims (4)

In the resonance plate processing the lumber lumber made of the wood 10 to the upper plate (2) or lower plate (3), the wood 10 is lumbered by the lumber 20 by a predetermined angle from the center 11 and each lumber The outer periphery of the 20 is cut and removed so that the cut surface 23 is formed, and the lumber wood 20 is formed integrally by joining the cut surfaces 23 and the outer aged layer 11-1 of the joined lumber 20-1. Resonance board for string instruments, characterized in that the processed to a certain shape after removing the) According to claim 1, wherein the wood 10 is made of a lumber lumber 20-2 of the flat plate so that the old layer (11-1) of the central portion 11 is excluded and the lumber 20-2 is processed into a predetermined shape Resonance board for strings, characterized in that In manufacturing the resonance plate by the timber 10, The step of dividing the wood by the predetermined angle (목 θ) based on the center of the 10 by the lumber lumber 20, and Cutting and removing the outer circumference of each of the first lumber lumbers 20 and lumbering them back into the lumber lumber 20-1 in which a plane cut surface 23 is formed; Each lumber 20-1 is a step of joining the cutting surface 23 of the two lumber lumber 20-1 with an adhesive to form a joining lumber 20-1, A step of cutting and removing the aged layer 11-1 at both ends from each joined type lumber 20-1, and the lumber 20-1 from which both aged layers 11-1 are removed Method for producing a resonance plate for stringed instruments, characterized in that the step of processing The method of claim 1, Displaying the old layer 11-1, which is the center of the tree ring 13, The step of removing the old layer 11-1 by the lumber 20-2 and 20-3 in the form of a flat plate or a curved plate, and the lumber 20-2 and 20-3 in a specific shape. Method for producing a resonance plate for string instruments, characterized in that consisting of a process for processing