US20130233724A1 - System and method of electrolytic deburring for metal pieces - Google Patents

System and method of electrolytic deburring for metal pieces Download PDF

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Publication number
US20130233724A1
US20130233724A1 US13/716,204 US201213716204A US2013233724A1 US 20130233724 A1 US20130233724 A1 US 20130233724A1 US 201213716204 A US201213716204 A US 201213716204A US 2013233724 A1 US2013233724 A1 US 2013233724A1
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US
United States
Prior art keywords
electrolyte
nozzle
electrolyte chamber
cathode
chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/716,204
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English (en)
Inventor
Hsing-Jen Hsu
Hao-Chung Lee
Yao-Gang Zhang
Wen-Li Wang
Tian-Feng Huang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Filing date
Publication date
Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Assigned to HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD. reassignment HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HSU, HSING-JEN, HUANG, TIAN-FENG, LEE, HAO-CHUNG, WANG, WEN-LI, ZHANG, YAO-GANG
Publication of US20130233724A1 publication Critical patent/US20130233724A1/en
Abandoned legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F5/00—Electrolytic stripping of metallic layers or coatings
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F7/00—Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects; Servicing or operating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing

Definitions

  • the present disclosure relates to a system and a method of deburring, particularly to a system and a method of electrolytic deburring for metal workpieces.
  • burrs of the metal workpieces are usually removed by a manual deburring or a machining deburring method. However, the whole procedures of such deburring ways are time consuming. In addition, the burrs may not be removed completely.
  • FIG. 1 is an isometric view of an embodiment of a system of electrolytic deburring including an electrolyte chamber, a anode, a cathode and a nozzle.
  • FIG. 2 is a schematic diagram of the system for electrolytic deburring.
  • FIG. 3 is an exploded, isometric view of the electrolyte chamber, the anode, the cathode and the nozzle.
  • FIG. 4 is a flow chart of a method of electrolytic deburring.
  • FIGS. 1 and 2 show a system 100 of electrolytic deburring for workpiece 200 .
  • the system 100 includes an electrolyte chamber 10 , an anode 20 , a cathode 30 , a power supply case 40 , a filter 50 , a heating container 60 , a pump 70 , a nozzle 80 , and a plurality of connecting hoses 90 .
  • a liquid (electrolyte 101 ) is received in the electrolyte chamber 10 .
  • the anode 20 , the cathode 30 and the nozzle 80 are immersed in the electrolyte 101 .
  • the power supply case 40 includes an anode connector 41 and a cathode connector 43 .
  • the anode connector 41 is electrically connected to the anode 20
  • the cathode connector 43 is electrically connected to the cathode 30
  • the filter 50 is positioned between the electrolyte chamber 10 and the heating container 60 via the connecting hoses 90 for filtering the electrolyte 101 .
  • the pump 70 is connected to the heating container 60 and the nozzle 80 via the connecting hoses 90 for pressurizing the electrolyte 101 heated by the heating container 60 .
  • the electrolyte 101 delivered from the pump 60 is sprayed into the electrolyte chamber 10 by the nozzle 80 , which also functions to create turbulence in the electrolyte.
  • the electrolyte chamber 10 is a closed and hollow chamber.
  • the electrolyte chamber 10 includes an electrolyte receiver 11 and a protective cover 13 .
  • the electrolyte receiver 11 is substantially rectangular.
  • the electrolyte 101 is received in the electrolyte receiver 10 .
  • the electrolyte 101 is a salt solution of low concentration, and the pH value range is from about 9 to about 11 .
  • the protective cover 13 is omitted.
  • the anode 20 is a substantially cubic platform received in the electrolyte receiver 11 .
  • a U-shaped passing groove 211 is defined in a bottom of the anode 20 .
  • the electrolyte 101 flows easily into the electrolyte chamber 10 via the U-shaped passing groove 211 .
  • the workpiece 200 is supported on the anode 20 .
  • the cathode 30 is positioned in the electrolyte chamber 10 above the anode 20 .
  • the cathode 30 includes a connecting portion 31 and a mounting portion 33 connecting and communicating with the connecting portion 31 .
  • the mounting portion 33 is immersed in the electrolyte 101 . In other embodiments, the whole cathode 30 may be immersed in the electrolyte 101 .
  • the power supply case 40 supplies electrical current to the electrolyte chamber 10 and the cathode 30 .
  • the anode connector 41 and the cathode connector 43 are mounted on the power supply case 40 .
  • the anode connector 41 is electrically connected with the anode 20 to form a conducting pin.
  • the cathode connector 43 is electrically connected to the cathode 30 to form a conducting pin.
  • the voltage range supplied by the power supply case 40 is from about 5 to about 24 volts.
  • the filter 50 communicates with the electrolyte receiver 11 via a connecting hose 90 , for filtering the electrolyte 101 delivered from the electrolyte receiver 11 .
  • the filtering of the electrolyte 101 avoids damage to the workpiece 200 during the cycle.
  • the heating container 60 communicates with the filter 50 by a connecting hose 90 for heating the electrolyte 101 , drawn through the filter 50 , to a suitable temperature for electrolyte reaction.
  • the preferable temperature range for electrolyte 101 is from about 50 to about 70 Celsius degrees
  • the pump 70 is connected to the heating container 60 and the cathode 30 .
  • the electrolyte 101 drawn from the heating container 60 is pressured by the pump 70 to increase velocity of the flow.
  • a reaction time of the electrolytic reaction is shortened to avoid the size of the workpiece 200 having an effect on the processing time.
  • the pressure range applied by the pump 70 is from about 2 to about 6 Mpa.
  • the nozzle 80 is mounted between the mounting portion 33 and the workpiece 200 .
  • the nozzle 80 is immersed into the electrolyte 101 in the electrolyte receiver 11 .
  • the nozzle 80 is trumpet-shaped.
  • the trumpet-shaped nozzle 80 sprays the electrolyte 101 firstly pressured by the pump 70 , so that a vortex is formed in the electrolyte receiver 10 and extreme turbulence results.
  • the vortex and turbulence exerts forces on the burrs of the workpiece 200 to help remove the burrs.
  • a distance range between the nozzle 80 and the workpiece 200 is about 1 to about 10 centimeters.
  • the nozzle 80 may be other shapes, the nozzle 80 and the cathode 30 can be mounted on a movable device (not shown), or only the nozzle 80 can be mounted on the movable device for spraying while moving along a path.
  • the system 100 further includes a pressure gauge (not shown) and a plurality of valves to monitor and control the system 100 .
  • the anode 20 and the cathode 30 are positioned in the electrolyte chamber 10 .
  • the anode 20 is electrically connected to the anode connecter 41
  • the electrolyte chamber 10 , the filter 50 , the heating container 60 , the pump 70 and the cathode 30 are connected in that order via the plurality of connecting hoses 90 to form a recycling system.
  • the nozzle 80 is mounted on the mounting portion 33 .
  • the cathode 30 is electrically connected to the cathode connecter 43 .
  • the electrolyte 101 is poured into the electrolyte receiver 11 and the heating container 60 .
  • the nozzle 80 is immersed in the electrolyte 101 together with the mounting portion 33 .
  • the workpiece 200 is supported by the anode 20 , and is immersed in the electrolyte 101 .
  • the power supply case 40 provides electrical current between its anode connector 41 and the cathode connector 43 .
  • the electrolyte reaction occurs in the electrolyte chamber 10 . Because the current density in the burrs, edges and corners of the workpiece 200 is higher than other portions of the workpiece 200 , the burrs are quickly electrochemically removed. In the illustrated embodiment, the duration of the electrolyte reaction is from about 10 to about 120 seconds.
  • the nozzle 80 sprays the pressured electrolyte 101 to form the vortex and turbulence.
  • the workpiece 200 is taken from the electrolyte chamber 10 and cleaned after deburring process.
  • the electrolyte 101 taken from the electrolyte chamber 10 is filtered by the filter 50 .
  • the electrolyte 101 is heated by the heating container 60 after filtering. In other embodiments, the electrolyte 101 may be filtered after some time.
  • FIG. 4 shows a flowchart of a method for electrolytic deburring of metal workpieces 200 .
  • the method includes steps as follows:
  • Step 401 The system 100 of electrolytic deburring for metal workpieces 200 is provided.
  • Step 402 The workpiece 200 is placed on the anode 20 , and is immersed in the liquid electrolyte 101 .
  • Step 403 The electrical current is applied between the anode connector 41 and the cathode connector 43 by the power supply case 40 , the electrolytic reaction takes place to remove burrs of the workpiece 200 , and the electrolyte 101 drawn from the electrolyte chamber 10 is sprayed to form a vortex and turbulence by the nozzle 80 .
  • Step 404 The workpiece 200 is taken from the electrolyte chamber 100 after deburring, and then is cleaned.
  • the burrs are removed during the electrolytic reaction.
  • the vortexes and turbulence formed by the nozzle 80 apply pressure to the burrs to help remove burrs of the workpiece 200 cleanly and efficiency.
  • the pump 70 applies pressure to the electrolytic 101 to the velocity and force of the electrolytic 101 flow, and the time of the electrolytic reaction is shortened.
  • the electrolytic 101 is heated by the heating container 60 to a suitable temperature for electrolytic reaction.
  • the filter 50 filters the electrolytic 101 , then the electrolytic 101 can be recycled to save resources.
  • the U-shaped passing groove 211 is formed on the anode 20 for maximum effectiveness in the flow of the electrolytic 101 in the electrolyte chamber 10 .
  • the nozzle 80 is directly positioned above the electrolytic 101 of the electrolytic room 10 for directly spraying electrolytic 101 .
  • the nozzle 80 can be directly connected and connected to the pump 70 by the connecting hose 90 , and the cathode 30 can be directly connected to the cathode connector 43 .

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
US13/716,204 2012-03-08 2012-12-17 System and method of electrolytic deburring for metal pieces Abandoned US20130233724A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210059576.6 2012-03-08
CN2012100595766A CN103305898A (zh) 2012-03-08 2012-03-08 去毛刺方法及使用该去毛刺方法的去毛刺系统

Publications (1)

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US20130233724A1 true US20130233724A1 (en) 2013-09-12

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US (1) US20130233724A1 (zh)
JP (1) JP2013184289A (zh)
CN (1) CN103305898A (zh)
TW (1) TW201337047A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103817605A (zh) * 2014-02-27 2014-05-28 陈新 水射流去毛刺表面精整装备
CN105845883A (zh) * 2016-05-06 2016-08-10 合肥国轩高科动力能源有限公司 一种叠片电池用极片去毛刺装置
US11473208B2 (en) * 2016-12-09 2022-10-18 Hirtenberger Engineered Surfaces Gmbh Electropolishing method and system therefor

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105239145A (zh) * 2015-10-29 2016-01-13 桂林斯壮微电子有限责任公司 一种去溢料装置
CN109423688B (zh) * 2017-08-31 2022-03-22 深圳市水佳鑫科技有限公司 电化学处理液循环系统及设备
KR102049512B1 (ko) * 2017-09-27 2019-11-27 조선대학교산학협력단 3d프린터에 의해 제조된 금속 성형품의 후처리 장치
CN113333885B (zh) * 2021-05-12 2022-11-22 兰州空间技术物理研究所 一种离子推力器钼栅极去毛刺装置的应用方法
CN116618629B (zh) * 2023-05-26 2024-05-07 三联传动机械有限公司 一种减速电机箱体铸造用生产设备及其工艺

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GB943101A (en) * 1958-11-10 1963-11-27 Anocut Eng Co Electrolytic shaping
US3247087A (en) * 1957-04-19 1966-04-19 Lavalette Sa Atel Const Electrolytic machining system and method
US3252881A (en) * 1963-02-05 1966-05-24 Inoue Kiyoshi Electrolytic machining apparatus having vibratable electrode
US3620953A (en) * 1966-12-01 1971-11-16 Inoue K Method of and apparatus for the deburring of workpieces
JPS51142021A (en) * 1975-04-09 1976-12-07 American Cyanamid Co Process for continuously manufacturing aromatic aminoazo compounds
EP0074463A1 (de) * 1981-09-12 1983-03-23 Kernforschungszentrum Karlsruhe Gmbh Verfahren und Vorrichtung zur Reinigung der Innenwände von metallischen Leitungssystemen durch Elektropolieren mit Hilfe bewegter Elektroden
US6402931B1 (en) * 1998-05-18 2002-06-11 Faraday Technology Marketing Group, Llc Electrochemical machining using modulated reverse electric fields
US20100072077A1 (en) * 2008-09-23 2010-03-25 Rohrbeck Michael R Electrolytic deburring apparatus and method

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US3247087A (en) * 1957-04-19 1966-04-19 Lavalette Sa Atel Const Electrolytic machining system and method
GB943101A (en) * 1958-11-10 1963-11-27 Anocut Eng Co Electrolytic shaping
US3252881A (en) * 1963-02-05 1966-05-24 Inoue Kiyoshi Electrolytic machining apparatus having vibratable electrode
US3620953A (en) * 1966-12-01 1971-11-16 Inoue K Method of and apparatus for the deburring of workpieces
JPS51142021A (en) * 1975-04-09 1976-12-07 American Cyanamid Co Process for continuously manufacturing aromatic aminoazo compounds
EP0074463A1 (de) * 1981-09-12 1983-03-23 Kernforschungszentrum Karlsruhe Gmbh Verfahren und Vorrichtung zur Reinigung der Innenwände von metallischen Leitungssystemen durch Elektropolieren mit Hilfe bewegter Elektroden
US6402931B1 (en) * 1998-05-18 2002-06-11 Faraday Technology Marketing Group, Llc Electrochemical machining using modulated reverse electric fields
US20100072077A1 (en) * 2008-09-23 2010-03-25 Rohrbeck Michael R Electrolytic deburring apparatus and method

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103817605A (zh) * 2014-02-27 2014-05-28 陈新 水射流去毛刺表面精整装备
CN105845883A (zh) * 2016-05-06 2016-08-10 合肥国轩高科动力能源有限公司 一种叠片电池用极片去毛刺装置
US11473208B2 (en) * 2016-12-09 2022-10-18 Hirtenberger Engineered Surfaces Gmbh Electropolishing method and system therefor

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TW201337047A (zh) 2013-09-16
CN103305898A (zh) 2013-09-18
JP2013184289A (ja) 2013-09-19

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AS Assignment

Owner name: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HSU, HSING-JEN;LEE, HAO-CHUNG;ZHANG, YAO-GANG;AND OTHERS;REEL/FRAME:029523/0271

Effective date: 20121130

Owner name: HON HAI PRECISION INDUSTRY CO., LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HSU, HSING-JEN;LEE, HAO-CHUNG;ZHANG, YAO-GANG;AND OTHERS;REEL/FRAME:029523/0271

Effective date: 20121130

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