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公开(公告)号：KR1020120028728A
公开(公告)日：2012-03-23
申请号：KR1020100090741
申请日：2010-09-15
Applicant: 서울대학교산학협력단
CPC classification number: B23H1/10 , B05B5/1608 , B23H1/02 , B23H1/08 , B23H11/003
Abstract: PURPOSE: An EDM(Electrical Discharge Machining) apparatus using spray is provided to prevent the abrasion of a tool by performing electrical discharge machining using deionized water. CONSTITUTION: An EDM(Electrical Discharge Machining) apparatus using spray comprises a stage(24), a jig(26), a sprayer(10), and a discharge circuit(20). A workpiece(W) is placed on the stage. The jig forms a gap between the jig and the workpiece and has a tool(T) for electrical discharge machining. The sprayer sprays a spray-type processing medium(M) on the gap. The discharge circuit applies voltage to the gap.
Abstract translation: 目的：提供使用喷雾的EDM（放电加工）装置，以通过使用去离子水进行放电加工来防止工具的磨损。 构成：使用喷雾的电火花加工（放电加工）装置包括台（24），夹具（26），喷雾器（10）和放电回路（20）。 工件（W）放置在平台上。 夹具在夹具和工件之间形成间隙，并具有用于放电加工的工具（T）。 喷雾器在间隙上喷洒喷雾式处理介质（M）。 放电电路向间隙施加电压。
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公开(公告)号：KR101790522B1
公开(公告)日：2017-10-26
申请号：KR1020160097700
申请日：2016-08-01
Applicant: 서울대학교산학협력단
Abstract: 국부화아노다이징공정을이용한미세패턴가공시스템및 이를이용한미세패턴가공방법에서, 상기미세패턴가공시스템은전원공급부, 공구부, 공구가공부, 기판부, 펄스공급부및 스테이지부를포함한다. 상기공구부는상기전원공급부의음극(-)에전기적으로연결된다. 상기공구가공부는상기전원공급부의양극(+)에전기적으로연결되어상기공구부의형상을가공한다. 상기기판부는상기전원공급부의양극(+)에전기적으로연결되어상기공구부에의해가공된다. 상기펄스공급부는상기공구가공부및 상기기판부에공급되는전원에펄스를인가한다. 상기스테이지부는상기공구부, 상기공구가공부및 상기기판부를이송한다.
Abstract translation: 在使用局部阳极氧化处理的精细图案处理系统和使用其的精细图案处理方法中，精细图案处理系统包括电源部件，工具部件，工具架，基板部件，脉冲供应部件和台架部件。 工具单元电连接到电源单元的负电极（ - ）。 该工具电连接到电源单元的正电极（+）以处理工具的形状。 基板部分电连接到电源部分的正电极（+）并且由工具部分处理。 脉冲供应单元将脉冲施加到工具被馈送到其的电源并将其供应到基板单元。 台部分传送工具部分，工具和基板部分。
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公开(公告)号：KR1020150072900A
公开(公告)日：2015-06-30
申请号：KR1020130160569
申请日：2013-12-20
Applicant: 현대자동차주식회사 , 서울대학교산학협력단
Abstract: 본발명은전동식스티어링에구비된웜과웜휠의유격을방지하는스토퍼구조에관한것으로, 일단이모터와체결되고나사산이웜휠과치합되도록하우징에수용된웜의타단에체결되어하우징의일측에장착된스토퍼를포함하며, 웜에탄성력이적은스토퍼가체결되어스프링가압에의한웜의회전축이틀어지는것이방지되고, 그로써웜과웜휠간 마찰력이일정하게유지되어조향시조타감을일정하게유지하는효과가있는전동식스티어링에구비된웜과웜휠의유격을방지하는스토퍼구조를제공한다.
Abstract translation: 本发明涉及一种用于防止电机驱动的动力转向器中的蜗杆与蜗轮之间的间隙的止动结构，其中蜗杆的一端与电动机接合，而蜗杆的另一端与安装在其上的止动件接合 壳体的一侧，其中蜗杆被接纳在壳体中以通过螺纹与蜗轮齿轮啮合。 具有低弹性力的止动件与蜗杆啮合以防止蜗杆的旋转轴被弹簧的加压扭曲，从而在蜗杆和蜗轮之间保持恒定的摩擦力，并为 操舵。
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公开(公告)号：KR101474327B1
公开(公告)日：2014-12-18
申请号：KR1020120129198
申请日：2012-11-15
Applicant: 서울대학교산학협력단
Abstract: 스파크를통해형성된소재의연화영역을가공툴로스퀴징하면서이동시키는스파크기계가공을이용한가공장치및 가공방법이소개된다. 이중에서스파크기계가공을이용한가공장치는소재가침지되는전해액이수용된반응용기와, 반응용기내에삽입되는전극과, 전원인가시스파크를발생시켜상기소재에연화영역을형성하는가공툴과, 소재의연화영역을상기가공툴로스퀴징하기위한이동수단과, 가공툴및 전극에전원을인가하는전원공급기와, 이동수단및 전원공급기를제어하기위한컨트롤러를포함하여이루어진다.
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公开(公告)号：KR1020130061294A
公开(公告)日：2013-06-11
申请号：KR1020110127525
申请日：2011-12-01
Applicant: 서울대학교산학협력단
IPC: B23K26/352 , B23K26/40
CPC classification number: B23K26/0084 , B23K26/0006 , B23K26/0078 , B23K26/0081 , B23K26/08 , B23K2201/18 , B23K2203/02 , B23K2203/04 , B23K2203/05 , B23K2203/50 , Y10T428/12389
Abstract: PURPOSE: A metallic microstructure and a machining method thereof are provided to obtain the metallic microstructure, which is minute enough to be attached to a vertical wall and has high aspect ratio and strength by forming a minute fin arrangement on a metallic surface using dross and a resolidified layer. CONSTITUTION: A metallic microstructure comprises dross, a resolidified layer, and fins(110). The dross is formed along a plurality of laser machining paths set in grid directions by repetitively machining the surface of a metallic base material(101). The resolidified layer is formed as the dross formed by laser machining is repetitively melted and resolidified. The fins are formed by overlapping the resolidified layer in a plurality of fins position around the machined portion and arranged at a regular interval on the surface of the metallic base material.
Abstract translation: 目的：提供一种金属微观结构及其加工方法，以通过在金属表面上使用渣滓形成微小翅片布置而获得金属微观结构，该金属微观结构足够小以附着于垂直壁并具有高纵横比和强度， 再凝固层。 构成：金属微观结构包括浮渣，再凝固层和翅片（110）。 通过重复地加工金属基材（101）的表面，沿着栅格方向设置的多个激光加工路径形成浮渣。 由激光加工形成的浮渣重复熔融并重新固化，形成再凝固层。 翅片通过在被加工部分周围的多个翅片位置中重叠重整层而形成，并且以规则的间隔布置在金属基材的表面上。
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Patent Agency Ranking
公开(公告)号：KR1020120113357A
公开(公告)日：2012-10-15
申请号：KR1020110031026
申请日：2011-04-05
Applicant: 서울대학교산학협력단
CPC classification number: B23H9/008 , B23H7/02 , B23H2200/00 , B82Y40/00
Abstract: PURPOSE: A method for forming a micro and nano dual structure using electric discharge machining(EDM) is provided to easily form a micro and nano dual structure on a surface of a flat or curved structure because a table is finely driven by operating a driving unit with a control unit. CONSTITUTION: A method for forming a micro and nano dual structure using EDM is as follows. Micro patterns are formed on the surface of a structure by the EDM using a wire(142). Nano surface roughness is formed on the surface of the structure due to sparks generated in the EDM process to form the micro and nano dual structure on the surface of the structure. [Reference numerals] (100) Driving unit; (150) Power supply unit
Abstract translation: 目的：提供使用放电加工（EDM）形成微纳米双结构的方法，以便在平坦或弯曲结构的表面上容易地形成微纳米双结构，因为通过操作驱动单元精细地驱动工作台 配有控制单元。 构成：使用EDM形成微纳米双结构的方法如下。 通过使用导线（142）的EDM在结构的表面上形成微图案。 由于在EDM工艺中产生的火花，在结构表面上形成纳米表面粗糙度，以在结构表面上形成微纳米双结构。 （附图标记）（100）驱动单元; （150）电源单元
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公开(公告)号：KR1020110019586A
公开(公告)日：2011-02-28
申请号：KR1020090077187
申请日：2009-08-20
Applicant: 서울대학교산학협력단
CPC classification number: H01M8/0247 , H01M8/0258 , H01M8/04208 , H01M8/04216 , Y02E60/50
Abstract: PURPOSE: A fuel cell is provided to enable reaction of flow of fuel electrode plate with oxygen in both sides of fuel electrode plate and to largely improve output. CONSTITUTION: A fuel cell comprises: a fuel electrode plate(60) having flow channel; a pair of membrane-electrode assemblies(10) which is attached on both sides of the fuel electrode plate and has an electrolyte and electrode; and a pair of air electrode plate(50) which is attached on the other side of the membrane-electrode assemblies and is able to contact the membrane electrode assemblies. The flow channel is formed in a silt structure.
Abstract translation: 目的：提供燃料电池，以使燃料电极板的燃料电极板与燃料电极板两侧的氧气反应，并大大提高输出。 构成：燃料电池包括：具有流动通道的燃料极板（60）; 一对膜电极组件（10），其安装在燃料电极板的两侧并具有电解质和电极; 以及一对安装在膜 - 电极组件的另一侧并能够接触膜电极组件的空气电极板（50）。 流动通道形成为淤泥结构。
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公开(公告)号：KR1020140062913A
公开(公告)日：2014-05-27
申请号：KR1020120129198
申请日：2012-11-15
Applicant: 서울대학교산학협력단
Abstract: Introduced are a manufacturing apparatus and a manufacturing method using a spark assisted machining moving a soft area of a material formed by a spark while squeezing with a machining tool. The manufacturing apparatus using the spark-assisted machining comprises: a reaction vessel storing an electrolyte in which the material is soaked; an electrode inserted into the reaction vessel; a machining tool producing sparks when the power is applied, to form a soft area at the material; a transfer means for squeezing the soft area of the material with the machining tool; a power supply supplying the power to the machining tool and the electrode; and a controller controlling the transfer means and the power supply.
Abstract translation: 引入了一种使用火花辅助加工的制造装置和制造方法，其通过用机械加工来挤压由火花形成的材料的软区域移动。 使用火花辅助加工的制造装置包括：储存浸渍材料的电解质的反应容器; 插入反应容器中的电极; 当施加电力时产生火花的加工工具在该材料上形成柔软的区域; 用于利用所述加工工具挤压所述材料的软区域的转移装置; 向所述加工工具和所述电极供电的电源; 以及控制所述传送装置和所述电源的控制器。
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19.发明公开방전가공을 이용하여 형성된 마이크로/나노 이중구조를 갖는 롤타입 구조체 및 이를 이용하여 기재 표면에 마이크로/나노 이중구조를 형성하는 장치 无效具有通过放电加工形成的微型/纳米双结构的辊型体和用于在元件表面上构造微/纳米双结构的装置
公开(公告)号：KR1020120113358A
公开(公告)日：2012-10-15
申请号：KR1020110031027
申请日：2011-04-05
Applicant: 서울대학교산학협력단
CPC classification number: B23H9/008 , B23H7/02 , B23H2200/00 , B82Y40/00
Abstract: PURPOSE: A roll-type structure with a micro and nano dual structure using electric discharge machining(EDM) and an apparatus for forming the micro and nano dual structure on the surface of a base substrate using the same are provided to prevent the surface defects of the structure and to guarantee excellent sustainability and easy manufacturing work by directly forming a micro and nano dual structure on the surface of the structure with EDM. CONSTITUTION: A roll-type structure(200) has a micro pattern(210) and a nano surface roughness(220) on the surface thereof. The micro pattern is formed by EDM using a wire. The nano surface roughness is formed on the surface of the structure by sparks generating in the EDM process for forming the micro patterns.
Abstract translation: 目的：提供使用放电加工（EDM）的微型和纳米双重结构的辊型结构以及使用其形成基底基板的表面上的微纳米双结构的装置，以防止表面缺陷 结构，并通过在EDM结构表面直接形成微米和纳米双重结构来保证优异的可持续性和易于制造的工作。 构成：辊型结构（200）在其表面上具有微图案（210）和纳米表面粗糙度（220）。 微型图案通过使用导线的EDM形成。 通过在用于形成微图案的EDM工艺中产生的火花，在结构的表面上形成纳米表面粗糙度。
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公开(公告)号：KR101121531B1
公开(公告)日：2012-03-06
申请号：KR1020100009375
申请日：2010-02-02
Applicant: 서울대학교산학협력단
Abstract: 본발명은, 공작물이연결되는공작물전극과, 상기공작물전극과의사이에간극을형성하고상기공작물을방전가공하기위한공구가연결되는공구전극과, 제1 전압을공급하는제1 전원과, 상기제1 전원과다른지로에형성되어제2 전압을공급하는제2 전원과, 상기제1 전압및 제2 전압을사용하여상기간극에고주파바이폴라펄스형태의간극전압을발생시키는스위치를포함하는방전가공전자회로를제공한다. 본발명에따라방전가공을수행할경우전해부식과역방전현상에의한공구의마모를감소시키고나아가전해부식의억제와공무의마모감소에의하여가공물의형상정밀도와표면품질을개선할수 있게된다.
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