System and method for impact welding by magnetic propulsion
First Claim
Patent Images
1. A system for impact welding by magnetic propulsion for butt welding of substantially flat plates comprising:
- at least one ballistic work piece member in the form of a substantially straight bar aligned with a stationary work piece to be welded; and
driving coil means disposed adjacent said at least one ballistic work piece member and connectable to a power source such that upon actuation of said power source said driving coil means produces approximately 2×
106 to 3×
106 psi of magnetic pressure on said ballistic member to propel said ballistic work piece member to collide with said stationary work piece member at welding velocity.
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Abstract
A system and method using magnetic pressure to propel a ballistic workpiece onto a stationary workpiece at sufficient velocity to produce a weld. Electrical power capacitors are connected to an electromagnetic coil which is positioned adjacent a ballistic workpiece which is propelled by pressures of magnetic force between the ballistic workpiece and the coil onto the adjacent stationary workpiece at sufficient velocity to form a weld.
52 Citations
13 Claims
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1. A system for impact welding by magnetic propulsion for butt welding of substantially flat plates comprising:
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at least one ballistic work piece member in the form of a substantially straight bar aligned with a stationary work piece to be welded; and driving coil means disposed adjacent said at least one ballistic work piece member and connectable to a power source such that upon actuation of said power source said driving coil means produces approximately 2×
106 to 3×
106 psi of magnetic pressure on said ballistic member to propel said ballistic work piece member to collide with said stationary work piece member at welding velocity. - View Dependent Claims (2, 3, 4)
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5. A system for impact welding by magnetic propulsion for pipe welding comprising:
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a ballistic work piece member configured substantially in the form of a ring disposed about a work piece to be welded; driving coil means configured substantially in the form of a ring disposed adjacent said ballistic work piece member, said driving coil means being connectable to a power source so that said driving coil produces approximately 2×
106 to 3×
106 psi of magnetic pressure on said work piece. - View Dependent Claims (6)
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7. A system for impact welding by magnetic propulsion comprising:
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a ballistic work piece member disposed adjacent a stationary work piece member to be joined thereto; driving coil means disposed adjacent said ballistic member and connectable to a power source such that upon actuation of said power source, said driving coil means thrusts said ballistic member at welding velocity against said stationary work piece member; and an insulator mounted between said ballistic work piece member and said driving coil means to prevent passage of electrical current between said coil means and said ballistic work piece. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A method for impact welding by magnetic propulsion comprising the steps of:
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(1) providing a ballistic work piece for colliding with a stationary work piece to be welded at welding velocity; and (2) providing driving coil means connectable to a power source and positioned such that upon actuation of said power source said driving coil means produces approximately 2×
106 to 3×
106 psi of pressure on said ballistic member, said driving coil means thrusts said ballistic work piece at welding velocity to collide with said stationary work piece.
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Specification