GB980648A - Improvements in or relating to machine feeding arrangements - Google Patents

Improvements in or relating to machine feeding arrangements

Info

Publication number
GB980648A
GB980648A GB2778162A GB2778162A GB980648A GB 980648 A GB980648 A GB 980648A GB 2778162 A GB2778162 A GB 2778162A GB 2778162 A GB2778162 A GB 2778162A GB 980648 A GB980648 A GB 980648A
Authority
GB
United Kingdom
Prior art keywords
sleeve
pin
screw
spindle
engaging
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
GB2778162A
Inventor
Thomas Meirion Jackson
Louis Arthur Vinton
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2778162A priority Critical patent/GB980648A/en
Priority to FR941602A priority patent/FR1366302A/en
Publication of GB980648A publication Critical patent/GB980648A/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
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
    • B23H7/30—Moving electrode in the feed direction
    • 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
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/26—Apparatus for moving or positioning electrode relatively to workpiece; Mounting of electrode
    • B23H7/28—Moving electrode in a plane normal to the feed direction, e.g. orbiting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Transmission Devices (AREA)

Abstract

980,648. Screw-and-nut gearing. STANDARD TELEPHONES & CABLES Ltd. July 19, 1962, No. 27781/62. Heading F2Q. [Division B3] Rotation of a nut 31 in one direction results in downward feed of a screw 30, which is prevented from rotating by a pin 43 engaging a wall 49 of a vertical slot 42 in a fixed guide 29, and on reversal of rotation, the scrwe 30 performs limited angular movement, allowed by the pin 43 moving across the slot 42 and engaging the other side wall, whereupon a sleeve 28 moves upwardly due to the engagement of pins 46 with grooves 45 in a member 44 secured to the screw 30. Rotational movement of the sleeve 28 is prevented by the engagement of a pin 47 in a vertical groove 48 in the fixed guide 29. The mechanism is used to control the feed rate of an electrode attached to a spindle 19 in a spark erosion machine. The spindle 19 is attached to the end of a pivoted lever 25 having, intermediate its ends, an arm 27 which rests on the sleeve 28. In a modification, shown in Fig. 4, sleeve 28 is mounted directly in guide 29 and has an upper cam surface 50.
GB2778162A 1962-07-19 1962-07-19 Improvements in or relating to machine feeding arrangements Expired GB980648A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2778162A GB980648A (en) 1962-07-19 1962-07-19 Improvements in or relating to machine feeding arrangements
FR941602A FR1366302A (en) 1962-07-19 1963-07-16 Servo-control device applicable in particular to electro-erosion machines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2778162A GB980648A (en) 1962-07-19 1962-07-19 Improvements in or relating to machine feeding arrangements

Publications (1)

Publication Number Publication Date
GB980648A true GB980648A (en) 1965-01-13

Family

ID=10265194

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2778162A Expired GB980648A (en) 1962-07-19 1962-07-19 Improvements in or relating to machine feeding arrangements

Country Status (1)

Country Link
GB (1) GB980648A (en)

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