483948 經濟部智慧財產局員工消費合作社印製 I紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐 A7 五、發明說明（1 ) [技術領域] 本發明為有關放電表面處 处埋用電源裝置及放雷 理方法使放電表面處理用電極與被加工物之極表面處 電’而藉由其能量在被加工物表面形成由電 硬㈣膜或由電極材料藉由放電能量而反應之物質而：： 硬質溥膜之放電表面處理方法， 及使用於該方法之電源裝 置。 [背景技術] 以往，在被加工物表面形成硬質薄膜以賦予耐餘性， 耐磨耗性之技術，有例如揭示在曰本國特開平5_148615公 報之放電表面處理方法。該技術係使用混合wc(碳化鎢f 粉末與Co(鈷）粉末後壓縮成形而成之屬於一種放電表面處 理用電極的壓粉體電極進行丨次加工（堆積加工”然後更 換為銅電極等電極消耗比較少的電極進行2次加工（再熔 融加工）的由2過程而成之金屬材料的放電表面處理方 法。該方法雖能對鋼材形成具有堅固密接力的硬質薄膜， 惟對如超硬合金的燒結材料則難於形成具有堅固密接力的 硬質薄膜。 然而，據發明人等研究知悉，如使用形成Ti(鈦）等硬 質碳化物的材料為放電表面處理用電極，與被加工物的金 屬材料之間產生放電，則不經過再熔融之過程即可在被加 工物的金屬表面形成堅固的硬質薄膜。此乃因放電而消耗 之電極材料，與加工液之成份的C(碳）反應而生成Tic(碳 化鈦）所致。再者，亦知悉，如使用TiH2(氫化鈦）等金屬氫 311135 ^ · I ------^---------^ (請先閱讀背面之注意事項再填寫本頁) 483948483948 Printed on I paper by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs The paper size is applicable to the Chinese National Standard (CNS) A4 (210 X 297 mm A7) V. Description of the invention (1) [Technical Field] The present invention buryes the discharge surface The power source device and the lightning treatment method are used to electrically discharge the electrode for surface treatment of the discharge and the surface of the electrode of the object to be processed, and the energy is formed on the surface of the object by its energy. An electric hard film or an electrode material reacts by the discharge energy Substances :: Discharge surface treatment method for hard rubidium film, and power supply device used in this method. [Background Art] Conventionally, a technology has been used to form a hard film on the surface of a workpiece to impart residual and abrasion resistance. For example, the discharge surface treatment method disclosed in Japanese Patent Application Laid-Open No. 5_148615 is disclosed. This technology is a powder compact belonging to an electrode for discharge surface treatment, which is formed by mixing wc (tungsten carbide f powder and Co (cobalt) powder after compression molding). The electrode is processed once (stacking process), and then replaced with a copper electrode, such as a copper electrode, which consumes less electrodes, and then processed twice (remelt processing). Discharge surface treatment method for formed metal materials. Although this method can form a hard film with strong adhesion to steel materials, it is difficult to form a hard film with strong adhesion to sintered materials such as cemented carbide. However, according to the invention Studies have shown that if a material that forms hard carbides such as Ti (titanium) is used as an electrode for surface treatment of a discharge, and a discharge occurs between the metal material of the workpiece, the workpiece can be processed without remelting. The hard metal film is formed on the metal surface. This is caused by the electrode material consumed by the discharge reacting with C (carbon) of the component of the processing fluid to generate Tic (titanium carbide). Furthermore, it is also known that if TiH2 ( Titanium hydride) and other metal hydrogen 311135 ^ · I ------ ^ --------- ^ (Please read the precautions on the back before filling this page) 483948
經濟部智慧財產局員工消費合作社印製 2 五、發明說明（2 ) 化物而成之放電表面處理用電極的壓粉體電極，與被加工 物的金屬材料間產生放電，則較使用Ti等材料之情形，可 形成迅速且密接力高的硬質薄膜。再者，亦知悉如使用TiH2 等氫化物中混合其他金屬或陶瓷之放電表面處理用電極的 壓粉體電極，與被加工物的金屬材料之間產生放電，則可 迅速形成具有硬度，耐磨耗性等性質之硬質薄膜。 關於如此方法，已揭示在例如曰本國特開平9_192937 號公報’第4圖即表示用於如此方法的放電表面處理的裝 置之例之構成圖。圖中，1為壓縮成形TiH2粉末而成之放 電表面處理用電極的壓粉體電極、2為被加工物、3為加工 槽、4為加工液、5為用以轉換施加在壓粉體電極丨及被加 工物2之電壓及電流之開關元件、6為控制開關元件之開· 關用之控制裝置、7為電源、8為電阻器、9為經形成之硬 質薄膜。藉由如此構成，可在壓粉體電極1與被加工物2 之間產生放電，藉由其放電能量，在由鋼鐵或超硬合金等 而成之被加工物2表面形成硬質薄膜。開關元件5、控制 線路6、電源7以及電阻器8相當於在放電表面處理中決 定放電電流脈動波形等之放電表面處理用電源裝置。 如此的以往的放電表面處理用電源裝置，係以矩形波 狀的放電電流脈衝為基體，如第5圖所示，藉由變更放電 電流之尖峰值Ip及脈衝寬度T，調整形成在被加工物上之 硬質薄膜的膜厚等者。 第6圖係關於電極材料在被加工物上附著情形之說明 圖’第7圖係表不從放電開始因時間經過而產生之電流密 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 311135 --------^ —------- (請先閱讀背面之注意事項再填寫本頁) 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 製 3 483948 A7 -----B7____ 五、發明說明（3 ) 度及放電孤柱的直徑變化之圖。第6圖中，1為放電表面 處理用電極、2為被加工物、1〇為放電孤柱、11為被急加 熱而氣化爆發所放出之電極成份、12為附著在被加工物2 之電極成份。放電發生瞬後，如第6圖（a)及第7圖所示， 放電孤柱10的直徑小而電流密度極高。放電表面處理用電 極係與進行除去加工之一般的放電加工用電極不同，為提 高表面處理作業之生產性，故意使熱傳導及機械性強度降 低。從而，如第6圖（a)所示，在電流密度高的狀態下，放 電表面處理用電極1的放電孤柱附近之部份被急加熱， 使放電表面處理用電極1的一部份藉氣化爆發飛散至周圍 (加工液中）。在此，被急加熱、氣化爆發而放出之電極成 份11則被加工液急冷，而不會成為被加工物2的硬質薄 膜。另一方面，在電流密度為適切的狀態下，如第6圖（b) 所示，放電孤柱10的直徑已增大之故，放電表面處理用電 極1的廣闊範圍被加熱而附著在被加工物2之電極成份12 之量將增多。 如此’在使用以往的放電表面處理用電源裝置之矩形 波狀的放電電流脈衝波形（例如第5圖），即使為表面處理 之生產性改善而提高放電電流脈衝之尖峰值Ip，特別是在 放電瞬後，電板材料將附著在被加工物側之比例小，從而， 電極材料將附著在被加工物上之比例，為1〇%至5〇%重量 比之程度，電極材料之浪費較多而有表面處理成本高之問 題。 放電表面處理方法，係使電極材料以放電之熱而釋放 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱） 311135 -------------裝.！-----訂--------- (請先閱讀背面之注意事項再填寫本頁) A7 五、發明說明（4 ) 出’並將其-部份在被加工物表面成為硬質薄膜而溶融附 著者。從而’放電能量具有放出電極材料之作用及使放出 之材料與被加工物溶融之作用。第8圖係對被加工物的鋼 材施加1次放電電流脈衝Ο個脈衝）進行放電表面處理之情 :的被加工物表面之照片’第8圖⑷表示電極材料之放出 量過多之it況、第8圖（b)表示電極材料之放出量過少之情 況。在電極材料之放出量過多之情況（第8圖⑷）令，因放 里而放出之電極材料之熔融發生不足，以致不能在被 加工物上形成精緻的硬質薄膜。相反地，在電極材料之放 出量過少之情況(第8圖(b))中，被加工物被過度熔融’以 致從被加工物去除超過硬質薄膜之附著量之加工量。使用 以往的放電表面處理用電源裝置之矩形波狀的放電電流脈 衝波形（例如第5圖中），在！次放電中（1個脈衝）由於因一 矩形波狀之放電電流脈衝同時進行電極材料之放出以及電 極材料及被加工物之熔融之故，難於確保電極材料的適切 的供應量，以致有產生因電極材料之供給不足引起之被加 工物的除去加工以及因電極材料之供給過多引起之硬質薄 膜的熔融不足之問題。 [發明之揭示] 本發明為解決上述課題而創作者，以得到一種可降低 表面處理成本之同時可在被加工物上形成精緻的硬質薄膜 之放電表面處理用電源裝置以及放電表面處理方法為目 的。 有關本發明之放電表面處理用電源裝置係一種使放電 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱) ------ 4 311135 (請先閱讀背面之注意事項再填寫本頁) ----訂---·------線· 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 製 5 483948 A7 ____B7____ 五、發明說明（5 ) 表面處理用電極與被加工物之極間產生放電，藉由其能量 在前述被加工物表面形成硬質薄膜之放電表面處理所用之 放電表面處理用電源裝置，此電源裝置具備：將放電電流 脈衝分割為第1脈衝幅T1(第1尖峰值Ipl)、第2脈衝幅 T2(第2尖峰值IP2).......等η脈衝幅Τη(第η尖峰值ipn)(n 為2以上之整數）之區間，將第1脈衝幅τι及第1尖峰值 Ipl設定為能抑制電極材料的放出之預定範圍内的前述極 I間的電流密度，將第k脈衝幅Tk及第k尖峰值Ipk(2 $ k Sn’k為整數）設定為由於前述電極材料的放出而產生之硬 質薄膜材料的供給量能對應所希望的加工條件而成為預先 所設定的值之控制裝置。 有關本發明之放電表面處理方法係一種使放電表面處 理用電極與被加工物之極間產生放電，藉由其能量在前述 被加工物表面上形成硬質薄膜之放電表面處理方法，係將 放電電流脈衝分割為第1脈衝幅T1(第i尖峰值1{)1)、第2 脈衝幅T2(第2尖峰值lp2).......第η脈衝幅Τη(第n尖峰 值Ipn)(n為2以上之整數）之區間，將第1脈衝幅T1及第 1尖峰值Ipl設定為能抑制電極材料的放出之預定範圍内 的前述極間的電流密度，將第k脈衝幅Tk及第k尖峰值Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 2 V. Description of the Invention (2) The powdered powder electrode of the discharge surface treatment electrode formed by the compound, and the metal material of the object to be discharged, compared with Ti and other materials In this case, it is possible to form a hard film that is fast and has high adhesion. In addition, it is also known that if a powder compact electrode using a discharge surface treatment electrode in which hydride such as TiH2 is mixed with other metals or ceramics, and a discharge occurs between the metal material to be processed, it can be quickly formed with hardness and wear resistance. Consumable hard film. Such a method has been disclosed in, for example, Japanese National Unexamined Patent Publication No. 9_192937 '. FIG. 4 is a configuration diagram showing an example of an apparatus for discharging a surface treatment in such a method. In the figure, 1 is a powder compact electrode for discharge surface treatment electrode formed by compressively forming TiH2 powder, 2 is a workpiece, 3 is a processing tank, 4 is a processing fluid, and 5 is a powder electrode for conversion application.丨 and the voltage and current switching elements of the processed object 2, 6 is a control device for controlling the opening and closing of the switching element, 7 is a power source, 8 is a resistor, 9 is a formed hard film. With this configuration, a discharge can be generated between the powder electrode 1 and the workpiece 2, and a hard film can be formed on the surface of the workpiece 2 made of steel, cemented carbide, or the like by the discharge energy. The switching element 5, the control line 6, the power source 7, and the resistor 8 correspond to a power supply device for a discharge surface treatment that determines a discharge current ripple waveform and the like during the discharge surface treatment. Such a conventional power source device for discharge surface treatment is based on a rectangular wave-shaped discharge current pulse. As shown in FIG. 5, the peak value Ip and pulse width T of the discharge current are changed to adjust the shape of the discharge current. Film thickness, etc. of the hard film. Figure 6 is an illustration of the adhesion of electrode materials to the processed object. Figure 7 is a table showing the current density of the paper as a result of the passage of time from the start of the discharge. The paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 311135 -------- ^ --------- (Please read the precautions on the back before filling out this page) Printed by the Intellectual Property Bureau Employee Consumer Cooperatives of the Ministry of Economic Affairs 3 483948 A7- --- B7____ 5. Description of the invention (3) The graph of the degree and the diameter change of the discharge solitary column. In FIG. 6, 1 is an electrode for discharge surface treatment, 2 is a workpiece, 10 is a discharge column, 11 is an electrode component released by rapid heating and gasification explosion, and 12 is a component attached to the workpiece 2 Electrode composition. As shown in FIG. 6 (a) and FIG. 7 after a discharge occurs, the diameter of the discharge column 10 is small and the current density is extremely high. The electrode for electric discharge surface treatment is different from the electrode for general electric discharge processing for removing processing. In order to improve the productivity of the surface treatment operation, the heat conduction and mechanical strength are intentionally lowered. Therefore, as shown in FIG. 6 (a), in a state of high current density, a part near the discharge solitary post of the discharge surface treatment electrode 1 is rapidly heated, so that a part of the discharge surface treatment electrode 1 is borrowed. The gasification explosion is scattered to the surroundings (in the processing fluid). Here, the electrode component 11 released by the rapid heating and vaporization explosion is rapidly cooled by the processing liquid, and does not become a hard film of the object 2 to be processed. On the other hand, in a state where the current density is appropriate, as shown in FIG. 6 (b), the diameter of the discharge solitary post 10 has been increased, so that a wide range of the discharge surface treatment electrode 1 is heated and adhered to the substrate. The amount of the electrode component 12 of the processed product 2 will increase. In this way, the rectangular wave-shaped discharge current pulse waveform (for example, FIG. 5) using a conventional power supply device for discharge surface treatment improves the peak current Ip of the discharge current pulse even if the productivity of the surface treatment is improved, especially during discharge. After a short time, the proportion of the electrical board material that will be attached to the object is small. Therefore, the proportion of the electrode material that will adhere to the object is about 10% to 50% by weight, and the electrode material is wasted. There is a problem of high surface treatment cost. Discharge surface treatment method is to make the electrode material release the heat of discharge. The paper size is applicable to China National Standard (CNS) A4 (210 X 297 public love) 311135 ------------- installation. !! ----- Order --------- (Please read the precautions on the back before filling this page) A7 V. Description of the invention (4) Out 'and make-part of it on the surface of the workpiece Hard film but melted by the author. Thus, the 'discharge energy' has a function of releasing the electrode material and a function of melting the released material and the workpiece. Fig. 8 is a case where a discharge current pulse (0 pulses is applied to the steel material of the processed object) for surface treatment: Photograph of the surface of the processed object. "Figure 8" shows the state of excessive discharge of the electrode material. Fig. 8 (b) shows a case where the amount of the electrode material released is too small. In the case where the discharge amount of the electrode material is excessive (Fig. 8), the melting of the electrode material released due to the release is insufficient, so that a delicate hard film cannot be formed on the workpiece. On the contrary, in the case where the amount of electrode material released is too small (Fig. 8 (b)), the workpiece is excessively melted 'so that the processing quantity exceeding the adhesion amount of the hard film is removed from the workpiece. Using a rectangular wave-shaped discharge current pulse waveform (for example, in Fig. 5) of a conventional power supply device for surface treatment of discharge, In the secondary discharge (1 pulse), because a rectangular wave-shaped discharge current pulse simultaneously discharges the electrode material and melts the electrode material and the processed object, it is difficult to ensure an appropriate supply of the electrode material, which causes a cause. The problem of insufficient processing of the workpiece due to insufficient supply of the electrode material and insufficient melting of the hard film due to the excessive supply of the electrode material. [Disclosure of the Invention] The present invention was created by the creators of the present invention to solve the above-mentioned problems, in order to obtain a power supply device for discharging surface treatment and a method for discharging surface treatment that can reduce the surface treatment cost and form a delicate hard film on the workpiece. . The power supply device for discharge surface treatment of the present invention is a method for making the paper size applicable to the Chinese National Standard (CNS) A4 (210 X 297 public love) ------ 4 311135 (please read the precautions on the back first) (Fill in this page) ---- Order ---------- Line Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 5 483948 A7 ____B7____ 5. Description of the invention (5) Electrodes and workpieces for surface treatment A discharge surface treatment power supply device for discharge surface treatment that generates a discharge between the electrodes and uses the energy to form a hard film on the surface of the object to be processed. The power supply device includes: a discharge current pulse is divided into a first pulse width T1 (the first 1 spike Ipl), second pulse amplitude T2 (second spike IP2), etc .. The interval of η pulse amplitude Tη (nth spike ipn) (n is an integer of 2 or more) The pulse width τι and the first spike Ipl are set to the current density between the electrodes I within a predetermined range capable of suppressing the release of the electrode material, and the k-th pulse width Tk and the k-th spike Ipk (2 $ k Sn'k (Integer) is set to be hard due to the release of the aforementioned electrode material The supply amount of the thin film material can be a control device which is set to a predetermined value in accordance with a desired processing condition. The discharge surface treatment method according to the present invention is a discharge surface treatment method in which a discharge is generated between an electrode for discharge surface treatment and a pole of a workpiece, and a hard film is formed on the surface of the workpiece by its energy. The pulse is divided into a first pulse width T1 (i-th spike 1 () 1), a second pulse width T2 (second-spike peak lp2), .... th pulse width Tη (n-th spike Ipn) (n is an integer of 2 or more), the first pulse width T1 and the first spike Ipl are set to the current density between the electrodes within a predetermined range capable of suppressing the release of the electrode material, and the kth pulse width Tk and K-th spike
Ipk(2$kS n，k為整數）設定為由於前述電極材料的放出而 產生之硬質薄膜材料的供給量能對應所希望的加工條件而 成為預先所设疋的值，以在前述被加工物表面形成硬質薄 膜者。 本發明因具有如上之構成，故能發揮如下之效果 ^氏張尺ΐ適用中國國家標準（CNS)A4規格（210 X 297公釐） 3ΗΙ35 -------------裝i -----訂----I----線 (請先閱讀背面之注意事項再填寫本頁) 483948 A7 ----—___B7 五、發明說明（6 ) 有關本發明之放電表面處理用電源裝置以及放電表面 地方/i：目可在被加工物纟面有效率地附著電極材料之 故，可降低表面處理成本。 (請先閱讀背面之注音？事項再填寫本頁) 並且因可確保電極材料之適切的供給量之故，可在 被加工物上形成精緻的硬質薄膜。 [圖式之簡單說明] 第1圖（a)至（C)係表示有關本發明之實施形態之放電表 面處理用電源裝置之媒占ν β ^ % 了衣置〈構成以及極間電壓及放電電流之圖。 第2圖（a)至（c)係表示使用有關本發明之實施形態之放 電表面處理用電源裝置而藉由放電表面處理在被加工物上 形成硬質薄膜之情況之說明圖。 第3圖係表示比較使用以往的放電表面處理用電源裝 置進订放電表面處理之情形與使用有關本發明之放電表面 處理用電源裝置進行放電表面處理之情形之電極消耗長度 之圖。 第4圖係表示用為放電表面處理之裝置之例之構成 圖。 經濟部智慧財產局員工消費合作社印製 第5圖係表示在以往的放電表面處理用電源裝置中之 極間電壓及放電電流脈衝之圖。 第6圖（a)至（b)係說明對被加工物上之電極材料附著 之情形之圖。 第7圖係表示從放電開始因時間經過引起之電流密度 及放電孤柱直徑之變化之圖。 第8圖（a)至（b)係依1次（1個脈衝）之放電電流脈衝在 本紙張尺度適用中國國家標準_Α4規格⑽公t ) 311135 483948 A7 B7 五、發明說明（7 ) 鋼材上進行放電表面處理之情形之被加工物表面的照片 [元件符號說明] 1 3 5 7 9 11 12 13 14 15 T1 Tr 2 被 加 工 物 4 加 工 液 6 控 制 裝 置 8 電 阻 10 放 電 孤 柱 加工槽 開關元件 電源 硬質薄膜 被急加熱而氣化爆發所放出之電極成份 附著在被加工物之電極成份 開關元件群 控制開關元件群之開•關之控制裝置 經 濟 部 智 慧 財 產 局 員 工 消 費 合 作 社 印 製 電源 第1脈衝幅 休止時間 W2第2尖峰值 [實施發明之最佳形態] 第1圖係表示有關本發明之實施形態之放電表面處 用電源裝置者，第1圖⑷為構成圖，帛1圖（b)為極間電 及放電電流、第1圖⑷為放電電流之其他例。第1圖中’ 1為放電表面處理用電極、2為被加工物、3為加工槽 為加工液、13為開關元件群、14為控制開關元件群之開· 關之控制裝置、15為電源、16為電阻器群、T1為第二· 衝幅、T2為笫2晰乐^一 〒丄 ^ 々昂2脈衝幅、Tr為休止時間、Ιρ1為第1尖峰 值、Ip2為第i尖峰值。開關元件群13、控制裝置μ、電 ^紙張尺度帽----- 16 電阻器群 T2 第2脈衝幅 Ipl第1尖峰值 ^ it--------------^ (請先閱讀背面之注意事項再填寫本頁) 7 311135 A7 五、發明說明（8 , 源15及電阻器_ 16相當於放電表面處理中決定放電電流 脈衝波形等之放電表面處理用電源裝置。 繼之說月動作如下。使放電表面處理用電極^與被 加工物2在加工液中相對向，藉由未圖示之驅動裝置保持 預疋的間隙。放電電流之尖峰值即成為在電源U的電源電 麼及電阻器群16中與經串聯方式連結開關元件群的導通 (ON)之開關元件者的電阻器之函數。以控制褒i μ使串 聯U電阻ϋ群16中電阻值大的電阻之開關元件群i 3 之開關元件成導通（ON)，在放電表面處理用電極^與被加 工物2間施加電麼，在經過預定時間後，即發生放電（第i 尖峰值Ip 1)在檢測到放電並經過第丄脈衝幅了 1後，以 控制裝置14,將前述作成導通⑴…之開關元件作成不導通 (OFF)使按串聯連結於電阻器群16中的電阻小的電阻之 開關元件群13的開關元件成為導通（〇N),而使放電電流 增加（第2尖峰值ip2)。然後經過第2脈衝幅T2後，使用 控制裝置14使開關元件群丨3的開關元件全部作成不導通 (OFF)。繼之，經過休止時間Tr後，再度使用控制裝置14 使開關元件群13之開關元件選擇性地導通。反覆上述動 作’以進行放電表面處理。如此，可藉由使用控制裝置14, 選擇性地使開關元件群13的開關元件為導通，不導通 (ON · OFF)而進行放電電流之尖峰值的控制。 放電電流脈衝可為如第1圖（b)之階段形式，亦可如第 1圖（c)之傾斜（slope)狀。放電電流脈衝之傾斜狀之增加可 由在放電表面處理用電源裝置之電源電路中按串聯方式插 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公髮） ------------- C請先閲讀背面Μ注意事頊存填寫本 灯---Ί-----線， 經濟部智慧財產局員工消費合作社印制衣 311135 483948 A7 —----- - - 五、發明說明（9 ) 入電感（inductance)之方法而實施。 第2圖係表不使用有關本發明之實施形態之放電表面 處理用電源裝置而藉由放電表面處理在被加工物上形成硬 質薄膜之情況之說明圖，在圖中，丨為電極、2為被加工物、 10為放電孤柱、17為以本發明之方法形成在被加工物2 上之硬質薄膜。帛2圖之⑷為相當於第！圖之⑻或⑷的 第1脈衝幅T1的最初的部份，帛2圖之⑻為帛！圖之⑻ 丨或⑷的f 1脈衝T1的最後的部份，帛2圖之⑷為相當於 第1圖之（b)或（c)的第2脈衝幅T2的部分者。 在第1圖之（b)或⑷中、將第1脈衝幅Τ1及第工尖峰 值Ipl設定為能抑制電極材料之放出之預定範圍内的電流 猶度（第2圖之⑷），在第1脈衝幅T1之區間，使放電孤 柱㈣直徑十分增大（第2圖之（价接著’如此放電電孤孤柱 1〇的直控增大之狀態下，控制裝置14控制開關元件群u 等，使放電電流增大至預定之第2尖峰值Ip2，在第2脈 衝T2,使由電極材料的放出之硬質薄膜材料的供給量成為 對應所希望之加工條件而成為預先設定之值，以進行對被 加工物2有效率之硬質薄膜之形成加工（第2圖之（c))。 第1脈衝幅τι及第！尖峰值Ipl為使電極間之電流密 度在-定範圍内以控制電極材料之放出之要件，而第2脈 衝幅T2及第2尖峰值Ip2為使對被加工物之硬質被膜材料 之供給量成為所希望之量之要件；這些要件之設定值可預 先以實驗求出，而依所希望之加工速度，硬質被膜之表面 性質與狀態以及電極消耗等加工條件而設定之。例如，將 Ϊ紙張尺度適用中關家標準（CNS)A4規格⑵Q χ挪公爱） 9 (請先閱讀背面之注意事項再填寫本頁) 311135 483948 A7 __________ B7 五、發明說明（10 ) 改變放電表面處理用電極之材料及其構成成份以及硬度等 參數（parameter)、被加工物之材料等參數、第丨脈衝幅T1、 第2脈衝幅T2、第1尖峰值Ipl及第2尖峰值Ip2放電電 流之脈衝幅及尖峰值之參數之情形的放電表面處理用電極 之消耗量、以及形成在被加工物之硬質薄膜的表面性質與 狀態及表面處理作業的生產性等資料預先由實驗收集，而 使用此等資料並依所希望之加工速度、硬質薄膜的表面性 質與狀態及電極消耗之加工條件，以設定將成為抑制電極 材料的放出之預定範圍内的電極間電流密度之第1脈衝幅 T1及第1尖峰值ip 1以及使對被加工物之硬質薄膜材料的 供給量將成為所希望之量之第2脈衝幅T2及第2夹峰值 Ip2即可。 第3圖係將使用以往的放電表面處理用電源裝置進行 放電表面處理之情形與使用本發明之放電表面處理用電源 裝置進行放電表面處理之情形，在使形成在被加工物上之 硬質薄膜為同一之條件下比較電極消耗長度者。在此情形 之使用以在的放電表面處理用電源裝置之放電電流脈衝係 設定尖峰值Ip為8 A、脈衝幅T為8 /Z s的矩形波；使用本 發明之放電表面處理用電源裝置之放電電流脈衝則設定， 第1脈衝幅T1為8/zs，第1尖峰值Ιρι為2A，第2脈衝 幅T2為8/zs’第2尖峰值Ip2為8 A。第3圖中，電極消 耗長度在使用以往的放電電流脈衝時為約5〇〇 a m，在使用 本發明之放電電流脈衝時為約2 0 0 // m，可知本發明之放電 表面處理用電源裝置者，可大幅降低電極消耗。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 311135 (請先閱讀背面之注咅？事項再填寫本頁) -n n n I ta— i n 一：口，1 mmmMr n n ϋ n I n I · 經濟部智慧財產局員工消費合作社印製 483948 A7 B7 五、發明說明（11 ) 如上所述，依照本發明之放電 放電表面處理時，因可在被加工物 材料之故，可降低表面處理成本。 之適切的供應量，可在被加物上形 在以上之說明中，係將放電電 段之階段狀者，惟作成為3階段以 幅之各區間中，放電電流脈衝之電 蜂狀，而作成一定之時間函數亦無不 [產業上利用可能性] 如上所述，本發明之放電表面 表面處理方法，適合用在被加工物 面處理關連產業。 表面處理用電源裝置之 表面有效率地附著電極 並且，可確保電極材料 成精緻的硬質薄膜。 流之尖峰值作成為2階 上亦可。並且，在脈衝 流值不作成一定或傾斜 可。 處理用電源裝置及放電 表面形成硬質薄膜之表 (請先閱讀背面之注意事項再填寫本頁)Ipk (2 $ kS n, k is an integer) is set so that the supply amount of the hard film material caused by the discharge of the electrode material can be set to a value set in advance according to a desired processing condition, so that Form a hard film on the surface. Because the present invention has the above structure, the following effects can be exhibited: ^ Zhang Zhangji applies to China National Standard (CNS) A4 (210 X 297 mm) 3ΗΙ35 ------------- equipment i ----- Order ---- I ---- line (please read the notes on the back before filling this page) 483948 A7 --------___ B7 V. Description of the invention (6) Discharge related to the invention Surface treatment power supply device and discharge surface area / i: Since the electrode material can be efficiently adhered to the surface of the workpiece, the surface treatment cost can be reduced. (Please read the note on the back? Matters before filling out this page.) And because it can ensure the appropriate supply of electrode materials, it can form a delicate hard film on the workpiece. [Brief description of the drawings] Figures 1 (a) to (C) show that the medium of the power supply device for discharge surface treatment according to the embodiment of the present invention accounts for ν β ^%. Graph of current. Figures 2 (a) to (c) are explanatory diagrams showing a case where a hard film is formed on a workpiece by a discharge surface treatment using a power supply device for a surface treatment of a discharge according to an embodiment of the present invention. Fig. 3 is a graph showing a comparison of electrode consumption lengths in a case where a conventional discharge surface treatment is used to perform a discharge surface treatment and a case where a discharge surface treatment is performed using a power supply device for a discharge surface treatment according to the present invention. Fig. 4 is a block diagram showing an example of an apparatus used as a discharge surface treatment. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Figure 5 is a graph showing the inter-electrode voltage and discharge current pulses in conventional power supply devices for surface treatment of discharges. Figures 6 (a) to (b) are diagrams illustrating the state of adhesion to the electrode material on the workpiece. Fig. 7 is a graph showing changes in the current density and the diameter of a discharge column due to the passage of time from the start of discharge. Figures 8 (a) to (b) are based on one (1 pulse) discharge current pulse. The Chinese national standard _A4 specification is used in this paper standard. 311135 483948 A7 B7 V. Description of the invention (7) Steel Photograph of the surface of the workpiece with the discharge surface treated on it [Description of element symbols] 1 3 5 7 9 11 12 13 14 15 T1 Tr 2 Workpiece 4 Working fluid 6 Control device 8 Resistor 10 Discharge column processing tank switch The hard component film of the element power supply is heated rapidly and the electrode components released by the gasification explosion are attached to the electrode component of the processed object. Switching element group controls the switching element group on and off. Control device. 1 pulse width rest time W2 2nd peak value [best form for implementing the invention] FIG. 1 is a diagram showing a power supply device for a discharge surface according to an embodiment of the present invention. FIG. 1 is a configuration diagram, and FIG. 1 ( b) is the inter-electrode current and discharge current, and Fig. 1 is another example of the discharge current. In the first figure, '1 is an electrode for discharge surface treatment, 2 is a workpiece, 3 is a machining bath, 13 is a switching element group, 14 is a switching device group, and 15 is a power source. , 16 is the resistor group, T1 is the second impulse, T2 is 笫 2 乐 ^^ 〒 丄 脉冲 2 pulse amplitude, Tr is the inactivity time, Ιρ1 is the first spike, and Ip2 is the i-th spike . Switch element group 13, control device μ, electrical ^ paper scale cap ----- 16 resistor group T2 second pulse amplitude Ipl first peak ^ it -------------- ^ (Please read the precautions on the back before filling this page) 7 311135 A7 V. Description of the invention (8, source 15 and resistor _ 16 are equivalent to the power supply device for discharge surface treatment that determines the discharge current pulse waveform and so on in the discharge surface treatment. Next, the monthly operation is as follows. The discharge surface treatment electrode ^ and the workpiece 2 face each other in the processing fluid, and a pre-set gap is maintained by a driving device (not shown). The peak value of the discharge current becomes the power supply U Function of the resistors in the resistor group 16 and those of the switching elements connected to the switching element group in series by a series connection. In order to control 褒 i μ to make the resistance value of the series U resistor ϋ group 16 large The switching elements of the resistance switching element group i 3 are turned on. Is electricity applied between the discharge surface treatment electrode ^ and the workpiece 2 and discharge occurs after a predetermined time (i-th peak Ip 1)? After detecting the discharge and passing the first pulse amplitude by 1, to control the device 14, The above-mentioned switching elements that are turned on are made non-conducting (OFF), so that the switching elements of the switching element group 13 connected in series to the resistor group 16 having a small resistance are turned on (ON), and the discharge current is increased ( The second peak value ip2). After the second pulse width T2, the control device 14 is used to make all the switching elements of the switching element group 3 non-conducting (OFF). Then, after the inactivity time Tr, the control device is used again. 14 The switching elements of the switching element group 13 are selectively turned on. The above-mentioned action is repeated to perform the discharge surface treatment. Thus, by using the control device 14, the switching elements of the switching element group 13 can be selectively turned on and not turned on. (ON · OFF) to control the peak value of the discharge current. The discharge current pulse can be in the form of a stage as shown in Figure 1 (b), or it can be sloped as shown in Figure 1 (c). The discharge current pulse The increase of the slant shape can be inserted in series in the power circuit of the power supply device for discharge surface treatment. The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210 X 297). ---------- --- C please Read the note on the back, fill in the light, fill in this lamp --- ------- line, printed clothing 311135 483948 A7 of the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs ----------- 5. Description of the invention (9) Figure 2 is an explanatory diagram showing a case where a hard film is formed on a workpiece by discharge surface treatment without using the power supply device for discharge surface treatment according to the embodiment of the present invention. In the figure, 丨 is an electrode, 2 is a workpiece, 10 is a discharge column, and 17 is a hard film formed on the workpiece 2 by the method of the present invention.帛 2 of the picture is equivalent to the first! The first part of the first pulse width T1 of the picture ⑻ or ⑷, the picture 2 of 帛 is 帛! The last part of the f 1 pulse T1 of ⑻ 丨 or 帛 of the figure, and the part of 帛 2 of the figure is the part corresponding to the second pulse width T2 of (b) or (c) of the first figure. In (b) or (1) of FIG. 1, the first pulse width T1 and the first peak value Ipl are set to currents within a predetermined range capable of suppressing the discharge of the electrode material (see (2) of FIG. 2). In the interval of 1 pulse width T1, the diameter of the discharge solitary column 增大 is greatly increased (Fig. 2 (when the direct control of the discharge electric solitary column 10 is increased in this state, the control device 14 controls the switching element group u And so on, the discharge current is increased to a predetermined second peak value Ip2, and at the second pulse T2, the supply amount of the hard film material released from the electrode material is set to a predetermined value corresponding to a desired processing condition, and An efficient hard film forming process is performed on the processed object 2 ((c) of FIG. 2). The first pulse width τι and the first! The peak value Ipl is to make the current density between the electrodes within a predetermined range to control the electrode. The material release requirements, and the second pulse width T2 and the second spike Ip2 are the requirements to make the supply of the hard coating material to the processed object a desired amount; the set values of these requirements can be obtained experimentally in advance , And according to the desired processing speed, Surface properties and conditions and processing conditions such as electrode consumption are set. For example, Ϊ paper size is applied to the Zhongguanjia Standard (CNS) A4 size ⑵ Q χNuo Ai love) 9 (Please read the precautions on the back before filling this page) 311135 483948 A7 __________ B7 V. Description of the invention (10) Change the parameters of the material for the electrode for discharge surface treatment, its constituent components, parameters such as hardness, the material of the workpiece, etc., the first pulse width T1, the second pulse width T2, the first spike Ipl and the second spike Ip2, the pulse width of the discharge current and the parameters of the spike, the consumption of the discharge surface treatment electrode, and the surface properties and state of the hard film formed on the workpiece, and Data such as the productivity of surface treatment operations are collected in advance by experiments. Using this data and set the processing conditions that will suppress the release of electrode materials according to the desired processing speed, the surface properties and conditions of the hard film, and the processing conditions of electrode consumption. The first pulse width T1 and the first spike ip 1 of the electrode-to-electrode current density within a predetermined range, and a hard film material for the workpiece The supply amount may be the second pulse width T2 and the second pinch peak value Ip2 of the desired amount. Fig. 3 shows a case where a conventional discharge surface treatment power supply device is used to perform a discharge surface treatment and the discharge surface of the present invention is used. In the case where the power supply device for processing is used for the discharge surface treatment, the electrode consumption length is compared under the condition that the hard films formed on the workpiece are the same. In this case, the discharge current of the power supply device for discharge surface treatment is used. The pulse system is a rectangular wave with a peak value Ip of 8 A and a pulse width T of 8 / Z s. The discharge current pulse using the power supply device for discharge surface treatment of the present invention is set. The first pulse width T1 is 8 / zs. 1 spike Ilp is 2A, the second pulse amplitude T2 is 8 / zs', and the second spike Ip2 is 8 A. In Fig. 3, the electrode consumption length is about 500am when the conventional discharge current pulse is used, and when the discharge current pulse of the present invention is used, it is about 2 0 // // m. It can be seen that the power supply for discharge surface treatment of the present invention Installers can significantly reduce electrode consumption. This paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 mm) 311135 (Please read the note on the back? Matters before filling out this page) -nnn I ta—in 1: mouth, 1 mmmMr nn ϋ n I n I · Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs 483948 A7 B7 V. Description of the invention (11) As mentioned above, the discharge and discharge surface treatment according to the present invention can reduce Surface treatment costs. The appropriate amount of supply can be shaped on the to-be-added object in the above description, which is the stage of the discharge electric section, but it is the electric bee shape of the discharge current pulse in each section of the three-step width, and It is also possible to create a certain time function [industrial utilization possibility] As mentioned above, the discharge surface surface treatment method of the present invention is suitable for use in industries related to the surface treatment of workpieces. Electrodes are efficiently adhered to the surface of the power supply device for surface treatment, and the electrode material can be made into a fine hard film. It is also possible to make the peak of the current flow as second order. In addition, the pulse current value may not be fixed or inclined. Processing power supply unit and discharge table with hard film on the surface (Please read the precautions on the back before filling this page)
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經濟部智慧財產局員工消費合作社印製 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 11 311135Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs This paper is sized to the Chinese National Standard (CNS) A4 (210 X 297 mm) 11 311135