GB755826A - Improvements in and relating to the removal of metal from a workpiece - Google Patents

Improvements in and relating to the removal of metal from a workpiece

Info

Publication number
GB755826A
GB755826A GB1317652A GB1317652A GB755826A GB 755826 A GB755826 A GB 755826A GB 1317652 A GB1317652 A GB 1317652A GB 1317652 A GB1317652 A GB 1317652A GB 755826 A GB755826 A GB 755826A
Authority
GB
United Kingdom
Prior art keywords
workpiece
jet
electrolyte
copper
metal
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.)
Expired
Application number
GB1317652A
Inventor
Percy Allen Malcolm Hug Norman
George Henry Glaysher
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.)
National Research Development Corp UK
National Research Development Corp of India
Original Assignee
National Research Development Corp UK
National Research Development Corp of India
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by National Research Development Corp UK, National Research Development Corp of India filed Critical National Research Development Corp UK
Priority to GB1317652A priority Critical patent/GB755826A/en
Publication of GB755826A publication Critical patent/GB755826A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
    • B23H9/14—Making holes
    • B23H9/16—Making holes using an electrolytic jet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

755,826. Electrolytic shaping. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Aug. 24, 1953 [May 23, 1952], No. 13176/52. Class 41. A method of removing metal from a workpiece comprises causing a jet of electrolyte to impinge on the workpiece, the direction of the jet either remaining fixed relative to the workpiece or moving in a predetermined path relative thereto, an electric current being at the same time passed through the workpiece and the electrolyte in such direction as to make the workpiece the anode. Holes may be made in sheet metal by allowing the jet to impinge on the metal while both are stationary, and sheet metal may be cut to a desired shape by relative movement between the sheet and jet so that the jet traverses a path on the sheet corresponding to the shape to be cut. In an embodiment akin to turning, a workpiece is rotated and a jet of electrolyte impinges radially on the surface. The workpiece 11 is carried by a spindle 13 journalled in a sleeve 14 mounted on rollers 15. A motor 22 rotates the spindle 13 by a belt 23 and traverses the sleeve 14 against a spring 17 by a cam 18 and follower 19. A jet nozzle 24, which is fed with electrolyte from a container 25, and the workpiece 11 are enclosed by a funnel 26. Current is passed between the workpiece 11 as anode and a cathode in the electrolyte supply as the workpiece is rotated and traversed. The electrolyte may be a solution of orthophosphoric acid for cutting copper, a solution of ammonium chloride, which may also contain hydrochloric acid or citric or tartaric acid, for cutting iron, copper or aluminium, or a solution of copper ammonium chloride and hydrochloric acid for cutting iron or copper.
GB1317652A 1952-05-23 1952-05-23 Improvements in and relating to the removal of metal from a workpiece Expired GB755826A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1317652A GB755826A (en) 1952-05-23 1952-05-23 Improvements in and relating to the removal of metal from a workpiece

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1317652A GB755826A (en) 1952-05-23 1952-05-23 Improvements in and relating to the removal of metal from a workpiece

Publications (1)

Publication Number Publication Date
GB755826A true GB755826A (en) 1956-08-29

Family

ID=10018234

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1317652A Expired GB755826A (en) 1952-05-23 1952-05-23 Improvements in and relating to the removal of metal from a workpiece

Country Status (1)

Country Link
GB (1) GB755826A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095364A (en) * 1959-11-27 1963-06-25 Steel Improvement & Forge Comp Material removal
EP0292440A1 (en) * 1987-05-22 1988-11-23 RABIAN, Laszlo Method of electroerosion cutting

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3095364A (en) * 1959-11-27 1963-06-25 Steel Improvement & Forge Comp Material removal
EP0292440A1 (en) * 1987-05-22 1988-11-23 RABIAN, Laszlo Method of electroerosion cutting
WO1988009238A1 (en) * 1987-05-22 1988-12-01 Laszlo Rabian Electrode for electric spark cutting
US4980533A (en) * 1987-05-22 1990-12-25 Laszlo Rabian Method and apparatus for electroerosive cutting

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