CA2238267A1 - Method for fabricating a one-piece metal vehicle wheel - Google Patents

Method for fabricating a one-piece metal vehicle wheel

Info

Publication number
CA2238267A1
CA2238267A1 CA002238267A CA2238267A CA2238267A1 CA 2238267 A1 CA2238267 A1 CA 2238267A1 CA 002238267 A CA002238267 A CA 002238267A CA 2238267 A CA2238267 A CA 2238267A CA 2238267 A1 CA2238267 A1 CA 2238267A1
Authority
CA
Canada
Prior art keywords
station
hub
wall
drawn
side wall
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.)
Granted
Application number
CA002238267A
Other languages
French (fr)
Other versions
CA2238267C (en
Inventor
Harald P. Nickel
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.)
Cosma International Inc
Original Assignee
Individual
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
Priority claimed from US08/564,939 external-priority patent/US5664329A/en
Application filed by Individual filed Critical Individual
Publication of CA2238267A1 publication Critical patent/CA2238267A1/en
Application granted granted Critical
Publication of CA2238267C publication Critical patent/CA2238267C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Turning (AREA)

Abstract

An improved method for fabricating a vehicle wheel (2) from a one-piece sheet metal blank (10) involves a nine station transfer die. In a first station, a sheet metal blank is drawn into a dish-shaped wall (12), a cylindrical outside wall (14), a first contour (16), and a first side wall (18). In the second station, the dish-shaped wall is reverse drawn to form a hub (22) and an inside wall (10), and a valve hole (24) is punched into the first contour. In the third station, the hub is flattened to be substantially perpendicular to an axial centerline of the partially fabricated wheel, and an outer peripheral edge of the first side wall is trimmed. In the fourth station, the inside wall is laterally formed so as to be in contact with the outside wall, and an outer peripheral edge of the first side wall is wiped over to form a flange. In the fifth station, a second contour is laterally formed.
In the sixth station, a first offset and inner and outer hub-stiffening embosses are drawn into the hub. In the seventh station, a second offset is drawn in the hub, and a second side wall is laterally formed to complete a tire engaging rim. In the eighth station a center aperture and a plurality of wheel mounting holes are punched in the hub. Finally, in the ninth station, the center aperture and the wheel mounting holes are extruded, and a plurality of rim-stiffening embosses are laterally formed in the rim.
CA002238267A 1995-11-30 1996-11-27 Method for fabricating a one-piece metal vehicle wheel Expired - Fee Related CA2238267C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/564,939 US5664329A (en) 1995-11-30 1995-11-30 Method for fabricating a one-piece metal vehicle wheel
US08/564,939 1995-11-30
PCT/IB1996/001489 WO1997019771A1 (en) 1995-11-30 1996-11-27 Method for fabricating a one-piece metal vehicle wheel

Publications (2)

Publication Number Publication Date
CA2238267A1 true CA2238267A1 (en) 1997-06-05
CA2238267C CA2238267C (en) 2005-12-13

Family

ID=35517627

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002238267A Expired - Fee Related CA2238267C (en) 1995-11-30 1996-11-27 Method for fabricating a one-piece metal vehicle wheel

Country Status (1)

Country Link
CA (1) CA2238267C (en)

Also Published As

Publication number Publication date
CA2238267C (en) 2005-12-13

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20141127