GB738514A - An improved extrusion press for the manufacture of aluminium tubes, more particularly cable sheathings of aluminium - Google Patents

An improved extrusion press for the manufacture of aluminium tubes, more particularly cable sheathings of aluminium

Info

Publication number
GB738514A
GB738514A GB8207/53A GB820753A GB738514A GB 738514 A GB738514 A GB 738514A GB 8207/53 A GB8207/53 A GB 8207/53A GB 820753 A GB820753 A GB 820753A GB 738514 A GB738514 A GB 738514A
Authority
GB
United Kingdom
Prior art keywords
aluminium
piston
equal
pointers
receivers
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
GB8207/53A
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.)
Schloemann AG
Original Assignee
Schloemann AG
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 Schloemann AG filed Critical Schloemann AG
Publication of GB738514A publication Critical patent/GB738514A/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
    • B21C31/00—Control devices, e.g. for regulating the pressing speed or temperature of metal; Measuring devices, e.g. for temperature of metal, combined with or specially adapted for use in connection with extrusion presses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/16—Control arrangements for fluid-driven presses
    • B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)

Abstract

738,514. Extruding. SCHLOEMANN AKT.- GES. March 25, 1953 [April 9, 1952], No. 8207/53. Class 83 (4). An extrusion press for making aluminium tubes, particularly for sheathing cables with aluminium, has two billet receivers 3, 4, with their axes disposed laterally to the axis of the extrusion die 1, for receiving billets 5c, 5b respectively, which are pressed by rams 6c, 6b, connected to hydraulic pistons 7c, 7b, and a throttle valve V for controlling the supply of pressure liquid to one piston 7c is controlled in dependence upon the speed of the other piston 7b so that the same quantity of aluminium is fed from both receivers. The billets are of equal cross-sectional areas and the piston 7c is larger in diameter than the piston 7b. Toothed racks 13, 14 connected to the rams 6b, 6c act upon coaxial pinions 15, 16 to which pointers 17, 18 are attached. When the speeds of extrusion from the two receivers are equal the pointers are in step but any deviation in speed causes one pointer to move ahead of the other pointer, thereby indicating the deviation to an operator who adjusts the throttle valve V accordingly. Alternatively the throttle may be operated automatically by electrical devices controlled by the pointers. In another embodiment the billets are of equal volume but different crosssectional areas and the hydraulic pistons are of equal diameter. Specification 702,505 is referred to.
GB8207/53A 1952-04-09 1953-03-25 An improved extrusion press for the manufacture of aluminium tubes, more particularly cable sheathings of aluminium Expired GB738514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE738514X 1952-04-09

Publications (1)

Publication Number Publication Date
GB738514A true GB738514A (en) 1955-10-12

Family

ID=6642807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8207/53A Expired GB738514A (en) 1952-04-09 1953-03-25 An improved extrusion press for the manufacture of aluminium tubes, more particularly cable sheathings of aluminium

Country Status (1)

Country Link
GB (1) GB738514A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926497A (en) * 1957-06-13 1960-03-01 Schoemann Ag Controlling means for attaining equal speeds of two pistons working against resistances
US2931497A (en) * 1957-04-03 1960-04-05 Schloemann Ag Hydraulic drives for extrusion press
DE1177107B (en) * 1957-04-05 1964-09-03 Robinetterie S A J Soc D Press for the production of tubular pressed parts
US3474654A (en) * 1968-06-10 1969-10-28 Nat Standard Co Apparatus for continuous extrusion

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2931497A (en) * 1957-04-03 1960-04-05 Schloemann Ag Hydraulic drives for extrusion press
DE1177107B (en) * 1957-04-05 1964-09-03 Robinetterie S A J Soc D Press for the production of tubular pressed parts
US2926497A (en) * 1957-06-13 1960-03-01 Schoemann Ag Controlling means for attaining equal speeds of two pistons working against resistances
US3474654A (en) * 1968-06-10 1969-10-28 Nat Standard Co Apparatus for continuous extrusion

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