Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1996-09-06
1998-05-05
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1563041, 156330, 403188, 414680, B32B 1500, B32B 100
Patent
active
057468613
ABSTRACT:
Past assemblies for structural portions of construction machines utilized advanced fixturing devices and welding to join the components. The fixturing devices are expensive and, if not used, distortional problems from the welding may reduce the quality of the asssemblies. The present invention overcomes this and other problems by providing a method of bonding a lift arm assembly. A pair of crossmember plates are connected at opposite ends of a crossmember to define a first modular component. A pair of lift arm assemblies define second and third modular components, respectively. A first contact surface is prepared by establishing a specific surface texture in a predetermined contact area on an outer surface of each of the crossmember plates. A second contact surface is prepared by establishing a specific surface texture in a predetermined contact area on an outer surface of each of the lift arm assemblies. The first modular component is bonded to the second and the third modular component at the first and second contact surfaces to define a pair of joints 45,46 capable of withstanding high forces approaching 2000000N (225 tons). The bonding of the modular components eliminate the major welding requirements for typical structure and avoid potential welding concerns.
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Ball Michael W.
Caterpillar Inc.
Charlton Diana L.
Tolin Michael A.
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