GB624871A - Method and apparatus for the forging of mechanical work-pieces such as in particular screw-propeller bosses - Google Patents

Method and apparatus for the forging of mechanical work-pieces such as in particular screw-propeller bosses

Info

Publication number
GB624871A
GB624871A GB24746/46A GB2474646A GB624871A GB 624871 A GB624871 A GB 624871A GB 24746/46 A GB24746/46 A GB 24746/46A GB 2474646 A GB2474646 A GB 2474646A GB 624871 A GB624871 A GB 624871A
Authority
GB
United Kingdom
Prior art keywords
forging
boss
blank
bosses
dies
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
GB24746/46A
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.)
Compagnie des Forges et Acieries de la Marine et dHomecourt
Original Assignee
Compagnie des Forges et Acieries de la Marine et dHomecourt
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 Compagnie des Forges et Acieries de la Marine et dHomecourt filed Critical Compagnie des Forges et Acieries de la Marine et dHomecourt
Publication of GB624871A publication Critical patent/GB624871A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00—Making machine elements
    • B21K1/28—Making machine elements wheels; discs
    • B21K1/40—Making machine elements wheels; discs hubs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/10—Drives for forging presses
    • B21J9/12—Drives for forging presses operated by hydraulic or liquid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

624,871. Forging screw propellers; perforating by forging. COMPAGNIE DES FORGES ET ACIERIES DE LA MARINE & D'HOMECOURT. Aug. 20, 1946, No. 24746. Convention date, Aug. 3, 1943. [Class 83 (iv)] A method of forging work-pieces such as screw-propeller hubs from a pre-formed blank with bosses thereon, comprises compressing the blank between dies which completely enclose it except for the terminal face of at least one boss and then longitudinally piercing the said boss or bosses. In one form, Fig. 1, the preformed blank is first compressed between a lower die 6 in a holder 2 secured to the bed 1 and an upper die 7 whose holder 3 is carried by a vertically moving press head 13. The dies 6 and 7 are formed with three horizontallyextending branches arranged at angles of 120 degrees to receive the bosses which are then pierced by horizontal punches 8 carried by rams 4, only one of the three rams and punches being shown. The finished forging has its fibres parallel to the contour of the boss, as shown in Fig. 7. In a modification, Fig. 8, the blank is compressed between upper and lower dies 22, 23, leaving exposed only the terminal face of a boss extending vertically upwards. This boss is then pierced by a vertically moving punch 26. The blank is transferred to other dies for the piercing of the other bosses.
GB24746/46A 1943-08-03 1946-08-20 Method and apparatus for the forging of mechanical work-pieces such as in particular screw-propeller bosses Expired GB624871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR624871X 1943-08-03

Publications (1)

Publication Number Publication Date
GB624871A true GB624871A (en) 1949-06-17

Family

ID=8987349

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24746/46A Expired GB624871A (en) 1943-08-03 1946-08-20 Method and apparatus for the forging of mechanical work-pieces such as in particular screw-propeller bosses

Country Status (1)

Country Link
GB (1) GB624871A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682185A (en) * 1950-11-14 1954-06-29 Valley Forging Company Forging machine
US3210984A (en) * 1960-03-14 1965-10-12 Alfred C Arbogast Apparatus for making pipe fittings
CN110586829A (en) * 2019-09-24 2019-12-20 上海电机学院 Multidirectional die forging hydraulic press with novel structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2682185A (en) * 1950-11-14 1954-06-29 Valley Forging Company Forging machine
US3210984A (en) * 1960-03-14 1965-10-12 Alfred C Arbogast Apparatus for making pipe fittings
CN110586829A (en) * 2019-09-24 2019-12-20 上海电机学院 Multidirectional die forging hydraulic press with novel structure

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