TW537916B - Weighting member of a golf club head and manufacturing method therefor - Google Patents

Abstract

The invention relates to weighting member of a golf club head and manufacturing method therefor, which mainly comprises steps: melting nickel, iron, ferro-tungsten, recycling residue, ferro-silicon, ferro-manganese, and ferro-niobium in a crucible in turn for making W-Fe-Ni alloys with the desired specific gravity, wherein the weight percentage of nickel, iron, tungsten, silicon, manganese, and niobium is about 30-50% : 30-50% : 20-35% : 1.0% : 1.0% : 0.5%, respectively; casting the melting W-Fe-Ni alloys into a preheating mold with the desired outline and the precision design in order to make the weighting member of a golf club head by the precision casting process; and after demolding the cast and cutting edge thereof, recycling the residue as raw materials for the next precision casting.

Description

537916

-1S__911I6681 V. Description of the Invention (1) [Field of the Invention] The present invention relates to an ancient method, in particular to the precision casting process of the heavy block f and its manufacturing method_ 彳 0 A 疋, 疋 cup genus melting sequence and composition ratio It will improve the traditional powder; ::: = head crane crane iron alloy weight ... It is not easy to press on the weight block; nickel alloy weight block is easy to break and [previous technology] ~ or engraving fine ⑥, pattern and other shortcomings . Conventional golf club head weights, stop & ☆ As shown, it usually refers to several types: intentional i Photo: 1 picture with a conventional person, Λ person double path / Metallic benefits ... Processed by the powder metal lurgy process to produce alloys used for weights of golf club heads, especially those containing crane thorium I9.30g / Cm3], iron [7.8g / Cm3] and nickel [8.9g / cm3] and other metals = tungsten-iron-nickel alloy. Because it has a wide range of points such as heavy weight, small volume, and high hardness, it is widely used in the industry. Generally, the conventional powder metallurgy process mainly includes the following steps: [丨] mixing n tungsten] iron, nickel and other metal powders according to a preset composition ratio; [2] squeezing the above powders to form a compacted elm product, L 3] in Sinter the compacted sample at high temperature (and vacuum);

C: \ 1.0 ^ 0- 5 \ I; 1 \ 0 Ton 11ncn ts \ PK8638a.ptc Page 7 and I 4! Apply several processing and heat treatments to the compacted sample to obtain a golf club head. Heavy blocks. However, although the powder metallurgy process is widely used, the powder metallurgy process still has many shortcomings, such as higher mold cost, lower elongation of the finished product, longer process time, and unable to die-cast precision patterns. , Text, model, and trademark. The reason is that because the tungsten iron nickel weight alloy contains extremely high hardness tungsten metal, the tungsten alloy weight block made by powder metallurgy can not be made into exquisite 丨 〇 叩 or pattern. Process by re-engraving f into fine 537916 Amendment V. Description of the invention (2) Because it is 〇〇〇 or pattern, it will make the rate low. The 7/0 gold process has a long process time and production efficiency again, despite the industry's continuous attempts .. cast ing) manufacturing process for the manufacture of Gore's fine mountain bismuth Pre (Precision to overcome the powder metallurgical process helmet; dry tungsten iron nickel alloy matching Disadvantages such as heavy blocks, patterns, and so on. The precision casting of tungsten from 4 ;;;; samples will produce smelting and melting processes during the melting and melting process. It cannot overcome the problems of the high melting point process, which makes The advantages of precision casting, low Uii, high finished product elongation, and short process time wt, // 〇 ^ month in the pattern and other advantages can not be applied to the manufacturing of golf club head tungsten iron nickel weight alloy. In view of this, the present invention improves the above-mentioned disadvantages. It mainly uses a precision casting process to manufacture the crane and iron, and it is fully equipped with Cao Yu, Cao Tian 4 main ~ 卞 口 to 垔 垔, and the use of specific metal melting sequence and The composition ratio overcomes the tungsten precipitation problem generated by the above-mentioned traditional precision casting process, that is, the predetermined proportions of nickel particles, pure iron, ferro-tungsten, reprocessed materials, ferrosilicon, ferromanganese, and ferroniobium are sequentially above 45 0 t. It melts at a high temperature, and when the molten mixture is poured into a preheated mold, it is precision-cast into a weight block of a golf club head of nickel alloy, so that the invention has low manufacturing cost, high elongation of the finished product, Short process time and direct casting precision = ^ and text effect. ^ [Summary of the Invention] The main object of the present invention is to provide a weight block for a golf club head and a manufacturing method thereof, in which a precision casting process with a specific sequence and composition ratio is used to make pellets, pure iron, crane iron, Material, ferrosilicon, ferromanganese, and sharp ^ are completely melted in sequence at high temperature in order to precisely cast into a tungsten iron nickel alloy weight block of the golf club head, so that the present invention has a reduced weight block

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Case No. 91116681 V. Description of the invention (3) Elongation of the finished product, shortening of the process time, and direct washing and casting method = invention of the golf club head; Exemption and its manufacturing method, which includes the following steps: , Pure iron, Crane iron, Recycling waste :: Iron, ferromanganese, and niobium, into a high-temperature refining furnace to keep the weight ratio of nickel: iron: two stones, fierce, and sharp to 30 to 50%: 30 to 50 %: 20 to 〇 · or less. 1.0% or less: 5% or less to produce a molten tungsten-iron-nickel alloy conforming to a preset ^; pouring the molten tungsten-iron-nickel alloy into a predetermined shape and precision In the preheating mold of the pattern and the text, the weights of precision casting & Chenglv golf clubs are used; and the remaining material after the mold is demoulded and trimmed is recovered as the return furnace for the next precision casting. material. [Explanation of the Invention] In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the following describes the preferred embodiments of the present invention in detail with the accompanying drawings, as follows:

FIG. 2 is a block diagram showing the flow of a weight block of a golf club head according to the present invention and its manufacturing method. I The counterweight of a golf club head according to the present invention and the manufacturing method thereof include the following steps: nickel granules, pure iron, ferro-tungsten, reclaimed materials, ferrosilicon, ferromanganese, and ferroniobium are added to a high-temperature melting furnace in order. In the case of nickel, iron, tungsten, silicon, and manganese, the weight-to-weight ratio of niobium is maintained at 30 to 50%: 30 to 50%: 20 to 35% · 1.0% or less · 1.0 <or less : 0.5% or less, in order to obtain a molten tungsten-iron alloy that meets the preset specific gravity, cast the molten tungsten-iron-nickel alloy into a preheated mold that has a truly predetermined shape, fine cypress wood, and text, with precision The pound caused the weight of the Nanlf club; and the remaining sapwood after the mold was demoulded and trimmed for recycling

537916 x _ Case No. 91116681 Description of the invention ⑷ Correction Month Reflow material for next precision casting. = ^ As shown in Figure 2, the ingredients of the golf club head of the present invention: The first step of the method is to sequentially earn, pure iron, ferrotungsten, reprocessed ferrotungsten, ferromanganese, and sharp iron. : Iron: ^ • The weight ratio of manganese: niobium is maintained at 30 to: 30 to 50%: 20 to heavier, Gu Ronghe iron alloy. For ancient times β I, / ΤΡ 丨 * 6 made of iron and iron cypress 88-man, to overcome the traditional precision casting process manufacturing system 2, 1 ， a to Yicheng into a golf club head weight Time, often occurs: 30 to 50%: 20 to 35%: 1. 0% or less: 1. 〇% or less: 〇 5% to

('· \ L vc Coni incnts \ PK8638a.ptc p.10 The problem of lowering the product yield, ... Invention uses: 疋 to belong to [alloy] melting sequence and composition ratio for precision casting: the specific metal [alloy] melts The order mainly refers to the orderly addition of fine-grained irregularly-shaped slaves, pure iron, tungsten iron, reclaimed n ferrite, and ferroniobium into a high-temperature dissolution furnace of 1 450 to 1 750 r. The present invention is implemented relatively The example is a queue, which firstly uses a high temperature of 145 to 1750 t to make the melting point lower than: The nickel particles are first melted, and after the nickel particles are completely melted, pure iron is added to obtain the nickel particles and the molten iron alloy. ; Next, using the above-mentioned nickel particles and pure iron's refining alloy to further reduce the melting temperature of ferro-tungsten, and promote the smooth melting of ferro-tungsten in the melting furnace without generating tungsten precipitation; subsequently, when the ferro-tungsten is completely melted , And then add the reflow residual material, the reflow residual material refers to the golf club head after the manufacture of tungsten iron nickel alloy weight block, after the weight block mold is demoulded and trimmed to remain and can be recycled. Materials, and finally add ferrosilicon, ferromanganese and ferrite to 'Tinan The fluidity and auxiliary degassing effect during casting. As shown in Table 1, when the invention completes the melting of the above-mentioned new materials and refurbished materials, the weight of nickel: iron: tungsten: silicon: manganese: niobium is better maintained at 3 〇 to 537916 _Case No. 91116681 @ _ / 月 改 _ Five, the proportion under the description of the invention (5), and the weight ratio of the remaining doping components such as copper and carbon are maintained below 3.0% and 0.1%, respectively. The following is a table of the weight percentage comparison table of the metal composition of precision casting and conventional powder metallurgy of the present invention. Specifications W • Iron FE Talk NI Silicon Si Μη Tight Nb 锏 Cu Break C — WFE-NI 20-35 30-50 30- 50 1.0 1.0 0.5 3.0 0.1 Powder metallurgy D12 35 13 52----Continuing, the nickel particles and pure iron of the present invention generally refer to the pure metals of nickel and iron [including a small amount of impurities], and the ferrotungsten and ferrosilicon , Ferromanganese, and ferroniobium refer to ferroal lOy of tungsten, silicon, manganese, and niobium, respectively. In actual operation, the present invention can be based on the elemental composition of ferrotungsten, ferrosilicon, manganese, and ferroniobium. The amount is appropriately adjusted so that the prepared molten metal conforms to the above-mentioned preset ratio. Therefore, the present invention It is not necessary to strictly limit the elemental composition of iron alloys such as crane iron, stone iron, fierce iron, and sharp iron. In addition, the melting furnace is a melting furnace dedicated to tungsten iron nickel alloy, and each furnace is preferably available for melting 70 kg of molten alloy, and should also have the function of carbon, phosphorus, sulfur and other harmful welding elements into the furnace and cause pollution. And the fine-grained irregular ingredients are preferably used in a small amount of multiple times Slowly add to the melting furnace to avoid sudden bridging due to large amounts of addition [the ingredients are not completely melted and stick to form agglomerates, resulting in cavitation or bubbles in the melting furnace ', which increases the danger of the melting furnace . Furthermore, the preset specific gravity of the tungsten iron recording alloy used for manufacturing the weight block of the golf club head according to the present invention is changed according to golf clubs of different uses, but the specific gravity is preferably preset to be between 9 · 5 to 11 · 0 g / c m3 'and its, j; the capacity point range is about 14 0 0 ° C [2 5 5 2 T] to 15 0 0. (: [2 7 3 2 ° F],

\ i 0, v-5 \ Κι ^ ^ 'οη 1' ncnts \ PK8638a.i〇tc Page 11 537916 Rev. Case No. 91116681 V. Description of the invention (6) The best line is 1 4 5 0 ° C 〔2 6 4 2 ° F]. Please refer to FIG. 2 again. The second step of the weight block of the golf club head and the manufacturing method of the present invention is to inject the molten tungsten iron nickel alloy into a mold having a pre-shaped shape, a finely divided pattern and text. Pre-heat the mold to create the weight of the golf club with precision binding. When the above-mentioned fused tungsten-iron-tungsten alloy yttrium metal, selenium order and composition ratio are prepared, and the specific gravity of the sample measurement is in accordance with the preset specific gravity value, after degassing and trimming before the furnace is released, that is, It can be injected directly into one of the molds used for precision scaling. The pre-heating temperature of the mold before and when the melt is mainly charged is preferably set between 950 and 13,000, and its holding time is set between 30 and 60 minutes. Generally, the precision-molded mold can not only form the predetermined shape of the golf ball weight, but also can be processed according to At — '^ I 文 肖 b to form a more precise pattern, text, model, and / or trademark. Weighting system of Nanlf club head

The figure t, text, model, and / or trademark are directly formed, so it is possible to avoid the issue of -J. For example, traditional powder metallurgy processes use mechanical engraving to produce figure security—and / or trademarks. Disadvantages such as long dressing time and low productivity. In addition, as shown in Table 2, the super-level contractor also uses the Jingdede manufacturing process to manufacture the weights of golf club heads.

The JjSL process time is short and the finished product has many advantages such as high elongation. -, Table 2: Comparison table of precision casting and conventional powder smelting according to the present invention. To various mechanical characteristics

537916 91116681 Fifth, the description of the invention (7) Corrected the tensile strength of tensile strength t Ksi ^ yield strength cKsi ^ elongation C% in 2 inches] specific strength 〔Ksi / lbAn5〕 hardness hardness 0i ± W-FE-NI 75-90 45-55 15-30 206-248 HRB 73-95 powder metallurgy D12 70 55 5 162 HRB 80-95 The third step of the weight block and its manufacturing method is to recycle the sapwood remaining after the mold is demolded and trimmed as the return material for the next precision casting. After the smelting solution of the tungsten iron nickel alloy is washed into the precision casting mold, the mold is placed on a conveyor belt for water cooling, and then the shell is shaken under a low pressure. The remaining sapwood is recovered and made into a fine-grained irregularity for use as the return material for the next precision casting. Please ^ th! As shown in FIG. 2 and FIG. 2, the weight block of the golf club head of the present invention and its manufacturing method in FIG. 2 use the specific metal melting sequence and composition ratio to overcome the crane sedimentation problem generated by the traditional precision casting process described above. Recording 纯, pure iron, crane iron, refurbished materials, Shi Xi iron, fierce iron and sharp — melted enamel at high temperature, so as to make a golf club head with precision patterns and dagger ^^ from tungsten iron nickel alloy Counterweight. Compared to the conventional golf ball in the figure 丨, the head of: = and its manufacturing method using powder metallurgy process has high molding cost '^ low elongation', the process time is long, and it is not possible to directly die-cast precision maps *, text, And other disadvantages such as money and trademarks, and many subsequent engraving processes required. 'The 2nd Nanlf club head of the present invention' "weight block and its manufacturing method, ball penetrating m has low cost, high &amp; product elongation, short process time and direct The purpose of casting fine patterns and words. Although the present invention has been disclosed in a preferred embodiment, it is not intended to limit the present invention.

C: \ 1. 乂 noise) -5 \ [: 1 \ e (() nt inents \ PK8638a.ptc p.13 537916 _ case No. 91Π6681_ Li year, month of the month &day; day of revision _ V. Description of the invention (8 ) Invention, anyone skilled in this art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope of the attached patent application.

C: \ L〇izo-5 \ Fi \ c C \ mt 1 ncnts \ PK8638a. Ptc P.14 537916 f Case No. 91116681 Modified illustration of the month / month [Schematic description] Figure 1: Conventional golf club Flow diagram of a weight block of a head and a manufacturing method thereof. FIG. 2 is a flow block diagram of a weight block of a golf club head and a manufacturing method thereof according to the present invention.

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Claims (1)

537916 _ Case No. 91116681_f Year 丨 Month __ VI. Application for Patent Scope 1. A method for manufacturing a weight block for a golf club head, which mainly includes sequentially nickel granules, pure iron, ferrotungsten, refurbished materials, Ferrosilicon, ferromanganese, and ferroniobium are added to the high-temperature melting furnace so that the weight ratio of nickel: iron: tungsten: silicon: manganese: niobium is maintained at 30 to 50%: 30 to 50%: 20 to 35%: 1.0% The following: 1.0% or less: 0.5% or less to produce a molten crane iron alloy that meets the preset specific gravity; cast the molten tungsten iron nickel alloy into a preheated mold with a predetermined shape, precise pattern and text Inside, precision casting into the weight of the golf club; and recycling the sapwood remaining after the mold is demoulded and trimming, as the return material for the next precision casting. 2. The method for manufacturing the weight of a golf club head according to item 1 of the scope of the patent application, wherein each melting system of the melting furnace is 70 kg of molten gold. ? Right to money 3. The method for manufacturing a weight of a golf club head according to item 1 of the scope of patent application, wherein the temperature of the melting furnace is between 1 450 and 1750 ° C. 4. The method for manufacturing a weight of a golf club head according to item 1 of the scope of the patent application, wherein the nickel granules, pure iron, ferro-tungsten, reclaimed materials, ferrosilicon, ferromanganese, and ferroniobium are fine particles. Irregular. 5. The method of manufacturing a weight block for a golf club head according to item 1 of the scope of the patent application, wherein the tungsten iron-nickel alloy is completely sampled to measure whether the specific gravity meets a preset specific gravity value. C ': \ Lono- ς \ ί: ι \ c (.'on 11 nent s \ PK8638a. Ptc p.16 537916 six 10 # 11,91116681 profit range ^ [clothing please patent range 6 manufacturing method, in which i work Og / cm3 room. $ Patented manufacturing method 'of which I i 5 0 0... 8. Manufacturing method according to the scope of the patent application, where the amount ratio is 3.0% 9. Manufacturing method according to the scope of the patent application, Among them, the percentage of tungsten club and its holding time / type are 30 tungsten and 1.0% respectively. The density of the tungsten-nickel alloy based on the weight of the golf club head described in item 5 is revised below the following month. The weight of the golf club head between 9.5 and item 1 The melting point range of the tungsten iron nickel alloy is between 1 4 0 0 The weight of the golf club head according to item 1 Contains trace amounts of doped components such as copper and carbon below the weight and 0.1% below. The weight of the golf club head as described in item 1, the preheating temperature of the mold is between 950 and 1300. Between 30 and 60 minutes. The weight block of the head, wherein the weight block contains a weight of 50/50, 30 to 50% of iron, 20 to 35% of H ·. "Under fierce, square, niobium edges min = 5% C: \ L (XίΟ- 5 \ F1 \ Ή C'ONTINENTS \ PK8638a. Ρtc page 17 II