Polished string

Abstract

A polished string comprises a wire core and a winding wire spirally wound outside the wire core, the side, facing the wire core, of the winding wire is an inner side face, and the side, back to the wire core, of the winding wire is an outer side face and is a polished face. The two sides of the outer side face are first arc-shaped faces, the middle of the outer side face is a second arc-shaped face, the radian of the second arc-shaped face is larger than that of the first arc-shaped faces, and arc-shaped angles are arranged at the joints of the second arc-shaped faces and the first arc-shaped faces. According to the principle, the outer side face is polished by a magnetic polisher to form a polished face, so that the polished face is smoother, and friction and abrasion are reduced; the magnetic polishing process can efficiently and uniformly process the surface of the wound wire, and the smoothness and consistency of the polished surface are ensured.

Description

Technical Field

[0001] This utility model relates to the field of musical instrument accessories technology, and in particular to a polished musical instrument string. Background Technology

[0002] The strings are one of the core components of stringed instruments, and their surface smoothness and durability directly affect the instrument's sound quality and lifespan. Traditional strings typically consist of a core and an outer winding. The surface roughness of the winding is relatively high, making it prone to wear due to friction, which affects sound quality and playability. Furthermore, traditional string polishing processes often employ mechanical extrusion polishing or manual grinding, resulting in low efficiency and uneven surface finish. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a polished string that significantly improves the surface smoothness and durability of the string.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a polished string, comprising a core and a spirally wound thread around the core. The side of the winding thread facing the core is the inner surface, and the side facing away from the core is the outer surface, which is also the polished surface. The two sides of the outer surface are first arc-shaped surfaces, and the middle is a second arc-shaped surface. The curvature of the second arc-shaped surface is greater than that of the first arc-shaped surface, and an arc angle is provided at the connection between the second arc-shaped surface and the first arc-shaped surface. The principle of this utility model is that the outer surface is polished by a magnetic polishing machine to form a polished surface, making the polished surface smoother and reducing friction and wear. The magnetic polishing process can efficiently and uniformly process the surface of the wound thread, ensuring the smoothness and consistency of the polished surface.

[0005] As an improvement, the polished surface is formed by polishing with a magnetic polishing machine.

[0006] As an improvement, the outer surface of the wound wire is covered with a varnish protective layer.

[0007] The beneficial effects of this utility model compared with the prior art are:

[0008] The outer surface is polished by a magnetic polishing machine to form a polished surface, making the polished surface smoother and reducing friction and wear; the magnetic polishing process can efficiently and uniformly process the wound wire surface, ensuring the smoothness and consistency of the polished surface. Attached Figure Description

[0009] Figure 1 This is a partial schematic diagram of the string of this utility model.

[0010] Figure 2 This is a partial cross-sectional view of the string of this utility model.

[0011] Figure 3 for Figure 2 Enlarged image. Detailed Implementation

[0012] The present invention will be further described below with reference to the accompanying drawings.

[0013] like Figures 1 to 3 As shown, a polished string includes a core 1 and a spirally wound thread 2 around the core 1. The side of the winding thread 2 facing the core 1 is an inner surface 22, which is in close contact with the core 1, and the side facing away from the core 1 is an outer surface 21, which is the polished surface. The outer surface 21 is an irregular arc-shaped surface, with first arc-shaped surfaces 211 on both sides and a second arc-shaped surface 212 in the middle. The arc of the second arc-shaped surface 212 is greater than that of the first arc-shaped surface 211, and an arc angle 213 is provided at the connection between the second arc-shaped surface 212 and the first arc-shaped surface 211. The polished surface is formed by polishing with a magnetic polishing machine. The magnetic polishing machine uses magnetic force to drive a steel needle to polish the surface of the string, thus polishing the narrow area between two adjacent turns of the winding thread 2, and polishing the entire outer surface of the winding thread 2 more thoroughly, thereby forming the aforementioned irregular arc-shaped surface. The outer surface 21 of the winding 2 is covered with a varnish protective layer (not shown). The varnish protective layer is applied to the outer surface 21 of the winding 2 using a nano-level dyeing or immersion process. The varnish protective layer can effectively prevent oxidation and wear, while further improving the smoothness of the polished surface.

[0014] The principle of this invention is as follows: the outer surface 21 is polished by a magnetic polishing machine to form a polished surface, which makes the polished surface smoother and reduces friction and wear; the magnetic polishing process can efficiently and uniformly process the surface of the wound wire 2, ensuring the smoothness and consistency of the polished surface.

Claims

1. A polished string comprising a core and a wrapping spirally wound around the core, the wrapping having an inner side facing the core and an outer side facing away from the core and being a polished side; characterized in that: The outer side surface is provided with two first arc surfaces on both sides and a second arc surface in the middle.

2. A polished string according to claim 1, wherein: The polishing surface is polished by a magnetic force polisher.

3. A polished string according to claim 1, wherein: The outer side surface of the winding is covered with a varnish protective layer.

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