Method for metallically connecting rods by oscillating friction welding
First Claim
1. A process for metallically connecting the faces of rods comprising:
- axially normal dressing at least two rod free ends,placing the cross sectional surfaces of the at least two rod free ends one against another under pressure; and
oscillating the at least two rod free ends in directions opposite one another, such that a bending of the at least two rod free ends occurs;
whereby frictional heat is generated on the contact surfaces of the at least two rod free ends such that when the conditions for a metallic connection are met, the at least two rod free ends are axially aligned, the pressurization of the cross sectional areas is increased and the at least two rod free ends are connected to one another over the entire surface.
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Abstract
The process for metallically connecting the faces of rods. Axially normal dressing at least two rod free ends, then placing the cross sectional surfaces of the rod free ends one against another under pressure. Oscillating the two rod free ends in the opposite direction to one another, whereby frictional heat is generated on the contact surfaces of the rod free ends. Further, when the conditions for a metallic connection are met, the rod free ends are axially aligned and the pressurization of the cross sectional areas is increased. Resulting in the rod free ends being connected to one another over the entire surface. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.
23 Citations
20 Claims
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1. A process for metallically connecting the faces of rods comprising:
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axially normal dressing at least two rod free ends, placing the cross sectional surfaces of the at least two rod free ends one against another under pressure; and oscillating the at least two rod free ends in directions opposite one another, such that a bending of the at least two rod free ends occurs; whereby frictional heat is generated on the contact surfaces of the at least two rod free ends such that when the conditions for a metallic connection are met, the at least two rod free ends are axially aligned, the pressurization of the cross sectional areas is increased and the at least two rod free ends are connected to one another over the entire surface. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for metallically connecting at least two elements, the apparatus comprising:
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a pressure device having at least two stationary holders structured and arranged to axially align the at least two elements and to exert pressure between free ends of the at least two elements; and a moving device structured and arranged to move the free ends in an oscillating manner in directions opposite one another while under pressure from said pressure device such that a bending of the free ends occurs. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A process for metallically connecting the faces of profiled rods comprising:
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axially normal dressing at least two profiled rod free ends, placing the cross sectional surfaces of the at least two profiled rod free ends one against another under pressure; and oscillating the at least two profiled rod free ends in directions opposite one another, such that a bending of the at least two profiled rod free ends occurs and the cross sectional surfaces remain essentially parallel through their oppositely directed bending; whereby frictional heat is generated on the contact surfaces of the at least two profiled rod free ends such that when the conditions for a metallic connection are met, the at least two profiled rod free ends are axially aligned, the pressurization of the cross sectional areas is increased and the at least two profiled rod free ends are connected to one another over the entire surface.
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Specification