Guide member for yarn

Abstract

This guide member for a yarn contains 90 mass% or more of Al in terms of Al2O3, 0.4 mass% or more and 2.5 mass% or less of Si in terms of SiO2, 3.0 mass% or more and 3.7 mass% or less of Mn in terms of MnO2, 1.1 mass% or more and 1.7 mass% or less of Ti in terms of TiO2, 1.1 mass% or more and 1.7 mass% or less of Fe in terms of Fe2O3, and 0.05 mass% or more and 0.3 mass% or less of Mg of in terms of MgO.

Description

Yarn guide member

[0001] The present disclosure relates to a thread guide member.

[0002] As disclosed in Patent Document 1, there has been known a ceramic sintered body used for a mounting substrate, a member for an exposure processing apparatus, a light-shielding material, a heat-absorbing material, etc. Such a ceramic sintered body has, for example, a black color and includes a composite oxide containing a plurality of metal elements.

[0003] Japanese Patent Application Publication No. 1-42359

[0004] The thread guide member according to one aspect of the embodiment is made of Al ２ O ３ 90 mass % or more of Al converted into SiO ２ 0.4 mass % or more and 2.5 mass % or less of Si converted to MnO ２ 3.0 mass % or more and 3.7 mass % or less of Mn and TiO ２ 1.1 mass % or more and 1.7 mass % or less of Ti converted to Fe ２ O ３ It contains 1.1 mass % or more and 1.7 mass % or less of Fe, calculated as an MgO equivalent, and 0.05 mass % or more and 0.3 mass % or less of Mg, calculated as an MgO equivalent.

[0005] Fig. 1 is a plan view of a line guide member according to an embodiment. Fig. 2 is a cross-sectional view taken along line A-A in Fig. 1. Fig. 3 is a perspective view of a fishing line guide according to an embodiment. Fig. 4 is a diagram for explaining the configuration of a fishing rod according to an embodiment.

[0006] However, when the above-mentioned ceramic sintered body is applied to a thread guide member, for example, it is poor in mechanical strength, and there is room for improvement.

[0007] Therefore, it is desired to provide a yarn guide member having excellent mechanical strength.

[0008] Hereinafter, embodiments of the thread guide member disclosed in the present application will be described in detail. However, the present disclosure is not limited to the embodiments described below.

[0009] First, the configuration of a thread guide member according to an embodiment will be described with reference to Figures 1 and 2. Figure 1 is a plan view of the thread guide member according to the embodiment. Figure 2 is a cross-sectional view taken along line AA in Figure 1.

[0010] As shown in FIG. 1 , the thread guide member 1 according to the embodiment includes a base material 2. The base material 2 has a first surface 3. The thread guide member 1 may be a ring-shaped guide ring. As shown in FIG. 2 , the cross section of the base material 2 may be substantially circular. Note that in the present disclosure, the cross section of the base material 2 is not limited to a substantially circular shape, and may be, for example, elliptical. The thread guide member 1 may also have the shape of a conventionally known thread guide member.

[0011] In this yarn guide member 1, the space on the inner periphery of the substrate 2 serves as a guide hole for the yarn 24 (see FIG. 4). The yarn 24 is inserted into the space on the inner periphery of the substrate 2 along the running direction. That is, the inner periphery of the first surface 3 of the substrate 2 serves as the yarn contact surface with which the yarn 24 comes into contact. Note that the yarn guide member 1 according to the embodiment is not limited to the examples shown in FIGS. 1 and 2 , and may include, for example, a coil-shaped substrate 2 that is wound spirally.

[0012] The yarn guide member 1 of the present disclosure contains Al, Si, Mn, Ti, Fe, and Mg. The yarn guide member 1 of the present disclosure may contain a plurality of metal oxides.

[0013] The thread guide member 1 of the present disclosure is made of Al ２ O ３ The yarn guide member 1 of the present disclosure may contain 90% by mass or more of Al in terms of Al content. The Al content may be adjusted depending on the contents of other components described below.

[0014] The thread guide member 1 of the present disclosure is also made of SiO ２ The yarn guide member 1 of the present disclosure may contain 0.4 mass % or more and 2.5 mass % or less of Si in terms of SiO. This makes it easier to obtain a sufficient density suitable for the intended use, and makes it easier to obtain a yarn guide member 1 having excellent mechanical strength. ２The Si content may be 0.9 mass % or more and 2.0 mass % or less in terms of Si content. With such a composition, it is easy to obtain a lightweight yarn guide member 1 having particularly excellent mechanical strength.

[0015] The yarn guide member 1 of the present disclosure is also made of MnO ２ The yarn guide member 1 may contain 3.0 mass % or more and 3.7 mass % or less of Mn, calculated as a manganese content. This makes it easier to obtain a yarn guide member 1 having excellent mechanical strength.

[0016] The thread guide member 1 of the present disclosure is also made of TiO ２ The titanium content may be 1.1 mass % or more and 1.7 mass % or less in terms of titanium content, which makes it easier to obtain the yarn guide member 1 having excellent mechanical strength.

[0017] In addition, the thread guide member 1 of the present disclosure is made of Fe ２ O ３ The iron content may be 1.1 mass % or more and 1.7 mass % or less in terms of iron content, which makes it easier to obtain the yarn guide member 1 having excellent mechanical strength.

[0018] The yarn guide member 1 of the present disclosure may contain 0.05% by mass or more and 0.3% by mass or less of Mg, calculated as MgO, which makes the yarn guide member 1 of the present disclosure less susceptible to grain growth and more likely to have excellent mechanical strength.

[0019] The thread guide member 1 of the present disclosure may be black. ＊ , b ＊ and L ＊ The ΔE calculated based on a may be 36 or less. ＊ , b ＊ and L ＊ is CIE1976 (L) in accordance with JIZ Z 8781-4 2013 ＊ a ＊ b ＊ ) color space based values. ＊ , b ＊ and L ＊can be measured at wavelengths of 400 nm to 700 nm using a spectrophotometer, for example, a CM-700d manufactured by Konica Minolta. The field of view of the measurement may be 10°. The main light source may be D65, and the illumination diameter may be measured under measurement conditions such as an aperture diameter of φ6 mm (SAV), SCE (specular reflection removed), and measurement after white calibration. Furthermore, the reflectance may be measured, for example, using a CM-2600d manufactured by Konica Minolta, under conditions of SCE (specular reflection removed), and wavelengths of 360 nm to 740 nm. ＊ , b ＊ and L ＊ can be adjusted by the composition of the metal oxide contained in the thread guide member 1 of the present disclosure as well as the baking temperature and baking time. ＊２ +b ＊２ +L ＊２ ) ０．５ If the value of ΔE is 0, a ＊ , b ＊ , L ＊ This means that all values ​​of ΔE are 0, which means that the color is black. Conversely, a larger ΔE value means that the color is farther from black. In other words, a ΔE of 36 or less can be said to be sufficiently close to black.

[0020] In addition, the thread guide member 1 of the present disclosure has b ＊ may be 2 or more and 5 or less. This makes it easier to obtain a yarn guide member 1 that has excellent mechanical strength and excellent yarn visibility. ＊ The thread guide member 1 of the present disclosure may be, in particular, ＊ The thread guide member 1 of the present disclosure may be particularly ＊ may be 4 or less.

[0021] In addition, the thread guide member 1 of the present disclosure includes: ＊ may be 2 or more and 4 or less. This makes it easier to obtain a yarn guide member 1 that has excellent mechanical strength and excellent visibility of the yarn. ＊ The thread guide member 1 of the present disclosure may be, in particular, ＊The thread guide member 1 of the present disclosure may be particularly ＊ may be 4 or less.

[0022] In addition, the thread guide member 1 of the present disclosure has a density of 3.85×10 ３ kg / m ３ This makes it easier to obtain a lightweight yarn guide member 1 that has excellent mechanical strength.

[0023] The yarn guide member 1 of the present disclosure is also made of MnO ２ The converted Mn content is Fe ２ O ３ The content of Mn may be two to five times the converted Fe content. This makes it easier to obtain a yarn guide member 1 with excellent mechanical strength. Furthermore, by dispersing Mn in the grain boundaries of the alumina matrix, it becomes easier to absorb visible light in the low to medium wavelength range, which increases the reflection of visible light in the relatively long wavelength range. In particular, MnO ２ The converted Mn content is Fe ２ O ３ When the content is 2.5 times or more the converted Fe content, the above effect is remarkable.

[0024] The metal elements contained in the yarn guide member 1 of the present disclosure can be quantified using an X-ray fluorescence analyzer (XRF). The content of each metal element obtained by the measurement is converted into a metal oxide to obtain the content of each metal element. Specifically, for example, Al is ２ O ３ , Si is SiO ２ Mn is MnO ２ Ti is TiO ２ , Fe is Fe ２ O ３ In addition, when the yarn guide member 1 contains other metal elements, the values ​​may be converted into representative metal oxides of the respective elements.

[0025] Furthermore, the yarn guide member 1 of the present disclosure may not contain Co and Cr. In such a case, the yarn guide member 1 of the present disclosure can be provided at low cost because it does not use expensive Co and Cr. Note that "not containing Co and Cr" means that the contents of Co and Cr are below the detection limit of an X-ray fluorescence analyzer (XRF).

[0026] Next, the configuration of a fishing line guide and a fishing rod having a line guide member 1 according to an embodiment will be described with reference to Figures 3 and 4. Figure 3 is a perspective view of the fishing line guide according to an embodiment. As shown in Figure 3, the fishing line guide 10 according to the embodiment comprises the line guide member 1 and a frame 11. The frame 11 also has a holding portion 12, a support portion 13, and an attachment portion 14.

[0027] The holding portion 12 holds the line guide member 1. The support portion 13 supports the holding portion 12. The attachment portion 14 attaches the support portion 13 to the fishing rod 20 (see FIG. 4). Note that the fishing line guide 10 according to the embodiment is not limited to the example shown in FIG. 3.

[0028] 4 is a diagram illustrating the configuration of a fishing rod according to an embodiment. As shown in FIG. 4, a fishing rod 20 according to an embodiment includes a rod section 21, a reel 22, a handle section 23, a line 24, and a plurality of fishing line guides 10.

[0029] In this fishing rod 20, a rod section 21 and a reel 22 are each attached to a handle section 23. Furthermore, a plurality of fishing line guides 10 are attached to predetermined locations on the rod section 21, which is connected to the handle section 23. The line 24 wound around the reel 22 is passed through the line guide members 1 (see FIG. 3) of the plurality of fishing line guides 10 and led out from the tip of the rod section 21.

[0030] When using the fishing rod 20 for fishing, a tackle such as a lure, a hook, a weight, or a float (not shown) can be attached near the tip of the line 24 pulled out from the reel 22, and the handle 23 of the fishing rod 20 can be grasped and the rod part 21 can be swung, and the weight of the tackle can be used to let out the line 24 wound on the reel 22.

[0031] Next, an example of a method for manufacturing the thread guide member 1 of the present disclosure will be described.

[0032] Powdered Al ２ O ３ , Fe ２ O ３ and MnO ２ and TiO as a sintering aid. ２ , SiO ２ and MgO are added. The particle size of each raw material powder may be, for example, 0.1 μm to 5 μm. Water and an optional binder are added, mixed, and stirred, and the resulting slurry is used to produce a molded body of a desired shape, which is then fired in an oxidizing atmosphere, thereby obtaining the yarn guide member 1 of the present disclosure. Note that known techniques such as press molding can be used to produce the molded body.

[0033] The firing temperature may be, for example, 1350° C. or higher and 1550° C. or lower. The firing time may be, for example, about 2 hours. The firing atmosphere may be air.

[0034] [Example 1] Yarn guide members 1 with different compositions were produced, and the mechanical strength (three-point bending strength), volume, a ＊ , b ＊ and L ＊ Measurements were carried out.

[0035] First, Al ２ O ３ powder and SiO ２ powder and MnO ２ powder and TiO ２ powder and Fe ２ O ３ Powder and MgO powder were prepared.

[0036] In the sintered ceramics, the oxide of Al (Al ２ O ３ ) converted to silicon oxide (SiO ２ ) converted to Mn oxide (MnO ２ ) equivalent, Ti oxide (TiO ２ ) equivalent, Fe oxide (Fe ２ O ３ The mass ratios of the magnesium oxide (MgO) and magnesium oxide (MgO) were calculated as shown in Table 1.

[0037] Next, the weighed powders were mixed and molded to obtain a molded body having a desired shape.

[0038] Next, the compacts were fired in a firing furnace in an air (oxidizing) atmosphere to obtain sintered bodies as samples. The compacts were shaped to fit the test pieces for various measurements.

[0039] Next, each sample was measured using XRD to confirm the presence of aluminum oxide (alumina). Furthermore, each sample was mirror-polished and then measured for Al, Si, Mn, Ti, Fe, and Mg using XRF to determine the content of each element. The determined element content was converted into the content of each oxide, and the content of each element shown in Table 1 was calculated.

[0040] Furthermore, the three-point bending strength of the obtained sintered body was measured in accordance with JIS R 1601-2008, and the results are shown in Table 1. The test piece size was a prism of 3 mm x 4 mm x 50 mm.

[0041] The obtained sintered body was subjected to a CIE1976 (L) test in accordance with JIS Z 8722-2000. ＊ a ＊ b ＊ ) based on color space a ＊ , b ＊ and L ＊ The test pieces were cylindrical with a diameter of 18 mm and a thickness of 3 mm. Barrel polishing was performed to adjust the surface roughness to an arithmetic mean roughness Ra in the range of 0.03 to 0.07 μm. The results are shown in Table 1.

[0042]

[0043] As shown in Samples No. 1 and 4, SiO ２ When the Si content was less than 0.4 mass % or more than 2.5 mass % in terms of converted value, the three-point bending strength was less than 310 MPa, and the resulting ceramic sintered body had poor mechanical strength.

[0044] Furthermore, as shown in Samples No. 5 and 8, when the Mg content was less than 0.05 mass % or more than 0.3 mass % in terms of MgO, the three-point bending strength was less than 310 MPa, and the obtained ceramic sintered body had poor mechanical strength.

[0045] Furthermore, as shown in sample No. 12, TiO ２ When the Ti content exceeded 1.7 mass % in terms of converted value, the three-point bending strength was less than 310 MPa, and the resulting ceramic sintered body had poor mechanical strength.

[0046] Furthermore, as shown in sample No. 17, MnO ２ When the Mn content exceeded 3.7 mass % in terms of conversion, the three-point bending strength was less than 310 MPa, and the resulting ceramic sintered body had poor mechanical strength.

[0047] In contrast, as shown in Samples Nos. 2, 3, 6, 7, 9-11, 13-16, and 18-21, Al ２ O ３ 90 mass % or more of Al converted into SiO ２ 0.4 mass % or more and 2.5 mass % or less of Si converted to MnO ２ 3.0 mass % or more and 3.7 mass % or less of Mn and TiO ２ 1.1 mass % or more and 1.7 mass % or less of Ti converted to Fe ２ O ３ The ceramic sintered body containing 1.1 to 1.7 mass% of Fe, calculated as an FeO equivalent, and 0.05 to 0.3 mass% of Mg, calculated as an MgO equivalent, had a three-point bending strength of 310 MPa or more. Thus, the ceramic sintered body of the present disclosure has relatively high mechanical strength.

[0048] Furthermore, as shown in sample No. 9, TiO ２ When the content of Ti was less than 1.1 mass % in terms of conversion, ΔE was 26. ＊ is 4.5 and b ＊ 5.5, L ＊ As a result, 25 ceramic sintered bodies were obtained.

[0049] Furthermore, as shown in sample No. 13, MnO ２ When the Mn content is less than 3.0 mass % in terms of Mn, b＊ A ceramic sintered body having a porosity of 6.2 was obtained.

[0050] Moreover, as shown in sample No. 18, Fe ２ O ３ When the content of Fe was less than 1.1 mass % in terms of iron conversion, ΔE was 25. ＊ As shown in sample No. 21, a ceramic sintered body having a porosity of 25 was obtained. ２ O ３ When the content of Fe exceeds 1.7 mass % in terms of Fe content, ＊ is 3.9 and b ＊ A ceramic sintered body having a porosity of 6.3 was obtained.

[0051] In addition, the ceramic sintered body of the present disclosure has b ＊ The ceramic sintered body of the present disclosure has a ＊ Some of the ceramic sintered bodies according to the present disclosure had a ΔE of 2 or more and 4 or less.

[0052] Also, MnO ２ The content of Fe ２ O ３ When the content is more than twice the content of (MnO ２ / Fe ２ O ３ ) ≧ 2) includes a ＊ and b ＊ A ceramic sintered body with low

[0053] [Example 2] Samples (samples No. 22 and 23) of the yarn guide member 1 having different compositions were prepared and compared for density. The sample shapes were 1.7 mm thick, 2.3 mm wide, and 14.4 mm outer diameter.

[0054] The composition of Sample No. 22 was the same as that of Examples 1 and 15. Sample No. 23 was prepared so as to have the following composition and was fired under the same conditions as those of Example 1.

[0055] Aluminum oxide: 93% by mass Titanium oxide: 2% by mass Chromium oxide: 0.9% by mass Manganese oxide: 0.9% by mass Cobalt oxide: 2.1% by mass Iron oxide: 0.1% by mass Silicon oxide: 0.7% by mass Magnesium oxide: 0.3% by mass

[0056] The density of sample No. 22 is 3.83 × 10 ３ kg / m ３ The density of sample No. 23 was 3.90 × 10 ３ kg / m ３ It was.

[0057] In this way, the thread guide member 1 of the present disclosure has a density of 3.85×10 ３ kg / m ３ It was lighter than the standard.

[0058] The present disclosure has been described in detail above, but the present disclosure is not limited to the above-described embodiments, and various modifications, improvements, etc. are possible within the scope that does not deviate from the gist of the present disclosure.

[0059] Further advantages and modifications will readily occur to those skilled in the art. Therefore, the invention in its broader aspects is not limited to the specific details and representative embodiments shown and described above. Accordingly, various modifications may be made without departing from the spirit or scope of the general inventive concept as defined by the appended claims and their equivalents.

[0060] 1 Yarn guide member 2 Base material 3 First surface

Claims

1. Al ２ O ３ 90% by mass or more of Al converted into SiO ２ 0.4 mass % or more and 2.5 mass % or less of Si converted into MnO ２ 3.0 mass % or more and 3.7 mass % or less of Mn converted to TiO ２ 1.1 mass % or more and 1.7 mass % or less of Ti converted into Fe ２ O ３ A yarn guide member comprising: 1.1 mass % or more and 1.7 mass % or less of Fe, calculated as an MgO equivalent; and 0.05 mass % or more and 0.3 mass % or less of Mg, calculated as an MgO equivalent.

2. b ＊ The thread guide member according to claim 1, wherein the number of threads is 2 or more and 5 or less.

3. a ＊ The yarn guide member according to claim 1, wherein the number of threads is 2 or more and 4 or less.

4. Density is 3.85 x 10 ３ kg / m ３ The yarn guide member according to claim 1, wherein:

5. MnO ２ The converted Mn content is Fe ２ O ３ The yarn guide member according to any one of claims 1 to 4, wherein the content of the iron converted from the total weight of the yarn is from 2 to 5 times the total weight of the yarn.

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