A control arm for vehicle suspension systems has first and second rigid arm plates having first and second apertures extend laterally through opposing faces of the body adjacent opposite ends thereof. The arm plates are disposed in a mutually parallel, laterally spaced apart and aligned relationship
A control arm for vehicle suspension systems has first and second rigid arm plates having first and second apertures extend laterally through opposing faces of the body adjacent opposite ends thereof. The arm plates are disposed in a mutually parallel, laterally spaced apart and aligned relationship. The first apertures are generally concentric and the second apertures are generally concentric. First and second spacers each have a rigid body with opposite ends and a central bushing aperture extending therebetween. The spacers are disposed between the arm plates adjacent opposite ends thereof. The central bushing aperture of the spacers is positioned generally concentrically with the apertures. Also included is a related method for making vehicle suspension links from ultra high strength steel.
대표청구항▼
The invention claimed is: 1. A method for making a vehicle suspension link, comprising: providing a sheet of ultra high strength steel; stamping from the sheet of ultra high strength steel first and second link plates, each with a similarly shaped, rigid, generally planar body and first and second
The invention claimed is: 1. A method for making a vehicle suspension link, comprising: providing a sheet of ultra high strength steel; stamping from the sheet of ultra high strength steel first and second link plates, each with a similarly shaped, rigid, generally planar body and first and second laterally extending bushing apertures disposed adjacent opposite ends thereof; forming first and second spacers each having a rigid body with a central bushing aperture; rigidly attaching opposite ends of the first and second spacers with the first and second link plates with the central bushing apertures arranged concentric with the first and second apertures in the first and second link plates to fixedly retain the first and second link plates in a mutually parallel, laterally spaced apart and aligned relationship to define the vehicle suspension link; heating the vehicle suspension link to a predetermined temperature sufficient for heat treating the ultra high strength steel; quenching the vehicle suspension link to harden the ultra high strength steel; and mounting bushings in the first and second bushing apertures in the vehicle suspension link. 2. A method as set forth in claim 1, wherein: said heating and quenching steps are performed after said attaching step. 3. A method as set forth in claim 2, wherein: said first and second spacers forming step includes cutting the first and second spacers from a length of tubing, such that the same have a generally annular shape with a predetermined outside diameter. 4. A method as set forth in claim 3, wherein: said first and second spacers forming step includes selecting the outside diameter of the first spacer greater than the diameter of the first apertures in the first and second link plates, and abutting the opposite ends of the first spacer with adjacent ones of the faces of the first and second link plates. 5. A method as set forth in claim 4, wherein: said attaching step includes welding the opposite ends of the first spacer to the adjacent ones of the faces of the first and second link plates. 6. A method as set forth in claim 5, wherein: said first and second spacers forming step includes selecting the outside diameter of the second spacer greater than the diameter of the second apertures in the first and second link plates, and abutting the opposite ends of the second spacer with adjacent ones of the faces of the first and second link plates. 7. A method as set forth in claim 6, wherein: said attaching step includes welding the opposite ends of the second spacer to the adjacent ones of the faces of the first and second link plates. 8. A method as set forth in claim 7, wherein: said heat treating step uses a salt bath. 9. A method as set forth in claim 8, wherein: said heat treating step comprises inductive heating. 10. A method as set forth in claim 9, wherein: said sheet selecting step includes selecting a blank from a steel alloy comprising, in percent by weight, carbon (C) 0.20% to 0.27%, silicon (Si) 0.15% to 0.50%, manganese (Mn) 1.0% to 1.40%, phosphorus (P) 0.0% to 0.03%, chromium (Cr) 0.0% to 0.35%, molybdenum (Mo) 0.0% to 0.35%, sulfur (S) at most 0.0% to 0.01%, titanium (Ti) 0.0% to 0.05%, boron (B) 0.0005% to 0.0040%, aluminum (Al) 0.0% to 0.06%, and copper (Cu) 0.0% to 0.10%, where the remainder is iron, including impurities brought about as a result of smelting. 11. A method as set forth in claim 1, wherein: said first and second spacers forming step includes cutting the first and second spacers from a length of tubing, such that the same have a generally annular shape with a predetermined outside diameter. 12. A method as set forth in claim 1, wherein: said first and second spacers forming step includes selecting the outside diameter of the first spacer greater than the diameter of the first apertures in the first and second link plates, and abutting the opposite ends of the first spacer with adjacent ones of the faces of the first and second link plates. 13. A method as set forth in claim 12, wherein: said attaching step includes welding the opposite ends of the first spacer to the adjacent ones of the faces of the first and second link plates. 14. A method as set forth in claim 1, wherein: said first and second spacers forming step includes selecting the outside diameter of the second spacer greater than the diameter of the second apertures in the first and second link plates, and abutting the opposite ends of the second spacer with adjacent ones of the faces of the first and second link plates. 15. A method as set forth in claim 14, wherein: said attaching step includes welding the opposite ends of the second spacer to the adjacent ones of the faces of the first and second link plates. 16. A method as set forth in claim 1, wherein: said heat treating step uses a salt bath. 17. A method as set forth in claim 1, wherein: said heat treating step comprises inductive heating. 18. A method as set forth in claim 1, wherein: said sheet selecting step includes selecting a blank from a steel alloy comprising, in percent by weight, carbon (C) 0.20% to 0.27%, silicon (Si) 0.15% to 0.50%, manganese (Mn) 1.0% to 1.40%, phosphorus (P) 0.0% to 0.03%, chromium (Cr) 0.0% to 0.35%, molybdenum (Mo) 0.0% to 0.35%, sulfur (5) at most 0.0% to 0.01%, titanium (Ti) 0.0% to 0.05%, boron (B) 0.0005% to 0.0040%, aluminum (Al) 0.0% to 0.06%, and copper (Cu) 0.0% to 0.10%, where the remainder is iron, including impurities brought about as a result of smelting.
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이 특허에 인용된 특허 (9)
Bronsema Brand (725 Prairie Creek Ionia MI 48846) Anderson Jeffrey A. (425 Breezy Pt. Clarksville MI 48815) Kary John J. (199 S. Cranbrook Cross Rd. Bloomfield MI 48301), Bumper beam making process.
Klahn, Christoph; Gysemberg, Rüdy; Rehme, Olaf, Supporting pillar for an aircraft's structural component manufactured by a selective laser melting process.
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