200842197 ; 九、發明說明： ； 【發明所屬之技術領域】 本發明是有關於-種合金，特別是指一種用於沖壓模 具之沖頭的組成合金。 【先前技術】 、沖壓模具包含一沖頭及-沖模，該沖頭相對該沖模在 . —沖壓位置與-非沖壓位置間移動，當在非沖壓位置時沖 . 帛遠離該沖模，而當在沖壓位置時沖頭沖壓穿設於沖模内 4 ㈣條形成料件。為延長沖壓模具之沖頭的使用壽命，積 極開發高強度、财磨耗的沖頭材料成為成為業界廠商所投 入最多的研發工作。 目别業界多以碳化鎢合金（亦即碳化鎢+鈷）為沖壓模具 • ^中頭的主要材料，碳化鎢合金以高強度為主要訴求，強 ㈣期使用的耐磨耗性佳，然而，若能以碳㈣合金為基 礎進一步研發出強度更優良，耐磨耗性更高的沖頭材料， r 進而增加沖壓模具的使用壽命，對沖壓模具業者將是一大 V 幫助。 【發明内容】 因此，本發明之目的，即在提供一種可增進強度與耐 磨耗性的高強度沖壓模具之沖頭的組成合金。 於是，本發明沖壓模具之沖頭的組成合金包含一金屬 兀素組及碳化鎢，且該金屬元素組的重量佔該組成合金總 重ϊ的3%至30%之間。該金屬元素組選自鋁、鈦、釩、 鉻、鐵、鈷、鎳、銅、鍅、鉬、鈀、銀及錳等金屬元素。 5 200842197 本發明之功效在於以碳化鶴為基材，並適當組合搭配 添加5種至13種選自鋁、鈦、飢、鉻、鐵、鈷、鎳、銅、 锆、鉬、鈀、銀及錳的金屬元素，達到增加沖壓模具之沖 頭的強度與耐磨耗性之目的。其中添加鋁元素使合金產生 析出硬化以提高合金的硬度與強度；添加鈦元素增加硬度 ;添加釩、锆及鐵三種金屬元素達到細化晶粒而強化結構 強度；添加鉻、鈀及銀元素提昇耐磨耗性與抗氧化性；添 加銘元素為結合劑，添加鎳元素增加合金的硬度及強度； 添加銅及錳元素增加合金韌性與延展性；添加鉬元素增加 耐磨耗性。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配a參考圖式之二個較佳實施例的詳細說明中，將可 清楚的呈現。 本毛明冲壓模具之沖頭的組成合金的第一較佳實施例 包含：1.08〜2.88重量百分比的鋁、3 6重量百分比的鉻、 3.6重量百分比的鈷、3 6重量百分比的銅、3沁重量百分比 :鐵、3.6重量百分比的錄’及8〇重量百分比的碳化鶊； 多1囷1所示之只驗數據，所添加的銘是為2重量百分 比0 具中 .添加鋁使合金產生析出硬化以提高合金的硬度 。強度’路用於提昇耐磨耗性與抗氧化性；姑為結合劑； 銅可增加合金動性與延展性；鐵可達到細化晶粒而強化結 構強度，而鎳可增加合金的硬度及強度。 200842197 、本第車乂佳實加例利用鑄造熔煉技術，以蠟模沾上耐 、匕水後進订淋砂作冑，重複沾聚與淋砂作業多次，經風 乾後即可完成製作砂模。另_方面，熔融碳化鐫及銘、絡 :始、銅、鐵與鎳等金屬元素成為均勾的合金、溶融液，於 石）核中錢合纽融液，直到合m夜冷卻後取出並進 行表面處理，成為沖壓模具的沖頭。 本么明冲壓模具之沖頭的組成合金的第二較佳實施例 /、忒第一較佳實施例不同之處在於，除添加金屬元素組 外，更添加了一非金屬元素组，其中，該非金屬元素組中 的非金屬元素係可選自於碳、侧、石夕、鱗、硫及氮等非金 屬=素。而添加該等非金屬元素除有助於提昇合金的機械 =貝外，更可提高合金的製造性與穩定度。於是本發明沖 ，模具之沖頭的組成合金的第二較佳實施例包含：0.72重 ϊ百分比的鋁、3·6重量百分比的鉻、3·6重量百分比的鈷 3·6重里百分比的銅、3.6〜7·2重量百分比的鐵、3.6重量 百分比的鎳、1·8〜3 6重量百分比的鈦、1 8〜3 6重量百分比 的飢’而該非金屬元素組為0.36〜L08重量百分比的碳；請 參閱圖2所示之實驗數據，所添加的鐵是為3·6重量百分比 、鈦是為2·7重量百分比、釩是為2·7重量百分比、碳則為 0·88重量百分比。 其中’添加銘使合金產生析出硬化以提高合金的硬度 與強度；路用於提昇耐磨耗性與抗氧化性；鈷為結合劑； 銅可增加合金韌性與延展性；鐵、釩可達到細化晶粒而強 化結構強度；鎳可增加合金的硬度及強度；鈦可增加合金 200842197 硬度與韋刃性，而添加碳有利形成碳化物以提升硬度。 參閱圖1、2，將本發明沖壓模具之沖頭的組成合金與 習用碳化鎢合金之沖頭進行特定性質之比較，其中，本發 明二較佳實施例所具有之維式硬度（Vickers hardness，HV) 均較習用碳化鎢合金之沖頭提升約7〇% ，而破壞韌性與磨 耗阻抗均約較習用碳化鶴合金之沖頭提升近2倍，總括而 &，本發明冲壓模具之沖頭的組成合金的機械性質係優於 習知以碳化鎢合金製成之沖頭許多。 歸納上述，本發明沖壓模具之沖頭的組成合金，以碳 化鎢為基材，並適當組合搭配添加特定組成比例的金屬元 素，其機械性質確實優於習用之碳化鎢合金之沖頭，確實 能達到本發明增進強度與耐磨耗性進而增加沖壓模具壽命 之目的。 准以上所述者，僅為本發明之較佳實施例而已，當不 月匕以此限疋本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修•，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 人入圖/疋一比較表，說明本發明沖壓模具之沖頭的組成 口孟的第一較佳實施例與習用碳北鎢合金製成之沖 的差異。 Λ 圖2是-比較表，說明本發明沖壓模具之沖頭的組成 合金的第二較佳眚# & 、， 、也/、習用碳化鎢合金製成之沖頭性質 的差異。 、 200842197 【主要元件符號說明】</ RTI> </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; </ RTI> <RTIgt; [Prior Art] The stamping die comprises a punch and a die, the punch moves relative to the die between the stamping position and the non-stamping position, and when in the non-stamping position, the punch is away from the die, and when At the punching position, the punch is punched and formed in the die (4) to form a material. In order to extend the service life of punches for stamping dies, the development of high-strength, wear-resistant punch materials has become the most research and development work that industry players have invested. In the industry, tungsten carbide alloy (also known as tungsten carbide + cobalt) is the main material of the stamping die. The main material of the tungsten carbide alloy is high strength, and the wear resistance of the strong (four) period is good. However, if Based on the carbon (tetra) alloy, the punch material with better strength and higher wear resistance can be further developed, and r will increase the service life of the stamping die, which will be a great help for the stamping die. SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a composition alloy of a punch of a high-strength stamping die which can improve strength and wear resistance. Thus, the constituent alloy of the punch of the stamping die of the present invention comprises a metal halogen group and tungsten carbide, and the weight of the metal element group is between 3% and 30% of the total weight of the alloy. The metal element group is selected from the group consisting of aluminum, titanium, vanadium, chromium, iron, cobalt, nickel, copper, ruthenium, molybdenum, palladium, silver, and manganese. 5 200842197 The invention has the effect of using carbonized crane as a substrate, and adding 5 to 13 kinds of aluminum, titanium, hunger, chromium, iron, cobalt, nickel, copper, zirconium, molybdenum, palladium, silver and The metal element of manganese achieves the purpose of increasing the strength and wear resistance of the punch of the stamping die. The addition of aluminum element causes the alloy to undergo precipitation hardening to increase the hardness and strength of the alloy; the addition of titanium to increase the hardness; the addition of three metal elements of vanadium, zirconium and iron to refine the grain and strengthen the structural strength; the addition of chromium, palladium and silver enhances Abrasion resistance and oxidation resistance; adding the element as a binder, adding nickel to increase the hardness and strength of the alloy; adding copper and manganese to increase the toughness and ductility of the alloy; adding molybdenum to increase wear resistance. The above and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the accompanying drawings. A first preferred embodiment of the alloy of the punch of the present stamping die comprises: 1.08 to 2.88 weight percent aluminum, 36 weight percent chromium, 3.6 weight percent cobalt, 36 weight percent copper, 3 inch Weight percentage: iron, 3.6 weight percent of the recorded and '8 weight percent of strontium carbide; more than 1 囷 1 shown only the data, the added name is 2 weight percent 0. Add aluminum to precipitate the alloy Hardening to increase the hardness of the alloy. The strength 'road is used to improve the wear resistance and oxidation resistance; the binder is used; the copper can increase the dynamic and ductility of the alloy; the iron can refine the grain and strengthen the structural strength, while the nickel can increase the hardness of the alloy and strength. 200842197, the first car 乂 实 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳 佳. On the other hand, the molten carbonized bismuth and the inscriptions and complexes: the metal elements such as the beginning, copper, iron and nickel become the alloys and molten liquids of the hooks, and the gold and the liquid melt in the core of the stone. The surface treatment is carried out to become a punch for the stamping die. The second preferred embodiment of the composition of the punch of the stamping die is different from the first preferred embodiment in that a group of non-metallic elements is added, in addition to the group of added metal elements, wherein The non-metal element in the non-metal element group may be selected from non-metals such as carbon, side, shi, scale, sulfur, and nitrogen. The addition of these non-metallic elements, in addition to helping to improve the mechanical properties of the alloy, can improve the manufacturability and stability of the alloy. Thus, the second preferred embodiment of the alloy of the punch of the present invention comprises: 0.72 parts by weight of aluminum, 3.6 weight percent of chromium, 3.6 weight percent of cobalt, and 3.6% by weight of copper. 3.6 to 7.2 weight percent iron, 3.6 weight percent nickel, 1.8 to 36 weight percent titanium, 18 to 36 weight percent of hunger and the non-metallic element group is 0.36 to L08 weight percent Carbon; see the experimental data shown in Figure 2, the added iron is 3.6 wt%, titanium is 2.7 wt%, vanadium is 2.7 wt%, carbon is 0.88 wt% . Among them, 'adding Ming makes the alloy produce precipitation hardening to improve the hardness and strength of the alloy; the road is used to improve the wear resistance and oxidation resistance; cobalt is the binder; copper can increase the toughness and ductility of the alloy; iron and vanadium can be fine The grain is strengthened to strengthen the structural strength; nickel can increase the hardness and strength of the alloy; titanium can increase the hardness and edge of the alloy 200842197, and the addition of carbon is beneficial to form carbides to improve the hardness. Referring to Figures 1 and 2, the composition of the stamp of the punch of the stamping die of the present invention is compared with the punch of a conventional tungsten carbide alloy, wherein the Vickers hardness of the second preferred embodiment of the present invention is HV) is about 7〇% higher than that of the conventional tungsten carbide alloy, and the fracture toughness and wear resistance are about 2 times higher than that of the conventional carbonized crane alloy. In summary, the punch of the stamping die of the present invention The mechanical properties of the constituent alloys are superior to those of conventional punches made of tungsten carbide alloys. In summary, the alloy of the punch of the stamping die of the present invention is based on tungsten carbide as a base material, and the metal element of a specific composition ratio is appropriately combined and matched, and the mechanical property is indeed superior to the conventional tungsten carbide alloy punch. The purpose of the invention is to increase the strength and wear resistance and thereby increase the life of the stamping die. The above is only the preferred embodiment of the present invention, and is not limited to the scope of the present invention, that is, the simple equivalent change according to the scope of the invention and the description of the invention. And repairs, are still within the scope of the invention patent. [Simple diagram of the drawing] The human figure/comparison table shows the difference between the composition of the punch of the stamping die of the present invention and the punching of the first preferred embodiment of the conventional carbon north tungsten alloy. Figure 2 is a comparison table showing the difference in punch properties of the second preferred composition of the alloy of the punch of the stamping die of the present invention, and/or the conventional tungsten carbide alloy. , 200842197 [Main component symbol description]