GB1462607A - Production of marine propellers - Google Patents

Production of marine propellers

Info

Publication number
GB1462607A
GB1462607A GB345275A GB345275A GB1462607A GB 1462607 A GB1462607 A GB 1462607A GB 345275 A GB345275 A GB 345275A GB 345275 A GB345275 A GB 345275A GB 1462607 A GB1462607 A GB 1462607A
Authority
GB
United Kingdom
Prior art keywords
casting
propeller
room temperature
cooling
jan
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
GB345275A
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.)
PRINCE EDWARD ISLAND MARKET DE
Original Assignee
PRINCE EDWARD ISLAND MARKET DE
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 PRINCE EDWARD ISLAND MARKET DE filed Critical PRINCE EDWARD ISLAND MARKET DE
Publication of GB1462607A publication Critical patent/GB1462607A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

1462607 Making propellers; working at specified temperatures PRINCE EDWARD ISLAND MARKET DEVELOPMENT CORP 27 Jan 1975 [25 Jan 1974] 3452/75 Headings B3A and B3V A marine propeller is made by casting a propeller blank, bringing the casting to a workable temperature, applying a required pitch to the blades, and cooling the propeller to room temperature. Thus different moulds are not required for different blade pitches. The casting may be brought to a workable temperature either by cooling directly after casting, or by cooling the casting to room temperature, storing the casting, and reheating it when required to room temperature. The material may be a zinc-aluminium alloy having a melting point about 810‹ F., casting taking place at 880‹ to 925‹ F. To apply the required pitch, the blank may be heated to 600‹ F. and struck with metal or neoprene pads, or heated to 780‹ to 800‹ F. and subjected to static pressure. The propeller is then machined or polished to obtain proper balance, anodized, and coated with an epoxy paint, and the balance checked.
GB345275A 1974-01-25 1975-01-27 Production of marine propellers Expired GB1462607A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA190981 1974-01-25

Publications (1)

Publication Number Publication Date
GB1462607A true GB1462607A (en) 1977-01-26

Family

ID=4099026

Family Applications (1)

Application Number Title Priority Date Filing Date
GB345275A Expired GB1462607A (en) 1974-01-25 1975-01-27 Production of marine propellers

Country Status (1)

Country Link
GB (1) GB1462607A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496528A1 (en) * 1980-12-19 1982-06-25 Nippon Light Metal Co METHOD FOR MANUFACTURING A PROFILE PRODUCT COMPRISING FINS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496528A1 (en) * 1980-12-19 1982-06-25 Nippon Light Metal Co METHOD FOR MANUFACTURING A PROFILE PRODUCT COMPRISING FINS

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee