GB1379234A - Vibratory forming - Google Patents

Vibratory forming

Info

Publication number
GB1379234A
GB1379234A GB720171A GB720171A GB1379234A GB 1379234 A GB1379234 A GB 1379234A GB 720171 A GB720171 A GB 720171A GB 720171 A GB720171 A GB 720171A GB 1379234 A GB1379234 A GB 1379234A
Authority
GB
United Kingdom
Prior art keywords
workpiece
vibrations
die
vibrated
relative
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
GB720171A
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
Original Assignee
National Research Development Corp UK
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 filed Critical National Research Development Corp UK
Priority to GB720171A priority Critical patent/GB1379234A/en
Priority to US00235546A priority patent/US3783668A/en
Publication of GB1379234A publication Critical patent/GB1379234A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
    • B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
    • B21C1/24—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles by means of mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/006—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing using vibratory energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Extraction Processes (AREA)

Abstract

1379234 Drawing; stamping NATIONAL RESEARCH DEVELOPMENT CORP 13 March 1972 [18 March 1971] 7201/71 Headings B3P and B3Q In a method of drawing a workpiece 1 by at least one pair of tools 4, 5 which are both axially vibrated, the phase angle between the two vibrations is adjusted so that during the periods when the workpiece 1 is drawing relative to one tool 5, the other tool 4 has a velocity no lower than zero relative to the workpiece 1 in the drawing direction. In an embodiment described, a metal tube 1 is drawn between a die 5 vibrated by a vibrator 9 and a plug 4 vibrated by a vibrator 8. The relative phase of the two vibrations is set by a device 10 such that where #/2 #+ # is the phase lead of the plug 4 over the die 5 and V being the drawing speed, A the amplitude of the die vibrations and W their angular frequency. The maximum value of sin # is 0-537. The Specification also refers to deep drawing and drawing rod through a succession of dies
GB720171A 1971-03-18 1971-03-18 Vibratory forming Expired GB1379234A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB720171A GB1379234A (en) 1971-03-18 1971-03-18 Vibratory forming
US00235546A US3783668A (en) 1971-03-18 1972-03-17 Vibratory forming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB720171A GB1379234A (en) 1971-03-18 1971-03-18 Vibratory forming

Publications (1)

Publication Number Publication Date
GB1379234A true GB1379234A (en) 1975-01-02

Family

ID=9828550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB720171A Expired GB1379234A (en) 1971-03-18 1971-03-18 Vibratory forming

Country Status (2)

Country Link
US (1) US3783668A (en)
GB (1) GB1379234A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297754A2 (en) * 1987-06-30 1989-01-04 CMB Foodcan plc Reducing the diameter of tubular bodies

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326559C2 (en) * 1983-07-22 1985-06-27 Emag Maschinenfabrik Gmbh, 7335 Salach Method and apparatus for finishing the surfaces of pipes
US8535358B2 (en) 2007-11-19 2013-09-17 Medical Facets, Llc Bone screw and method for manufacturing the same
US8112870B2 (en) * 2007-11-19 2012-02-14 Medical Facets Llc Bone screw and method for manufacturing the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2393131A (en) * 1942-08-21 1946-01-15 Continental Can Co Material forming and drawing with the aid of vibration
US3212312A (en) * 1963-06-21 1965-10-19 Aeroprojects Inc Apparatus utilizing vibratory energy
US3209573A (en) * 1963-08-19 1965-10-05 Aeroprojects Inc Method and apparatus using vibratory energy

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0297754A2 (en) * 1987-06-30 1989-01-04 CMB Foodcan plc Reducing the diameter of tubular bodies
EP0297754A3 (en) * 1987-06-30 1989-07-05 Mb Group Plc Reducing the diameter of tubular bodies

Also Published As

Publication number Publication date
US3783668A (en) 1974-01-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees