Apparatus for maintaining alignment of a shrinking weld joint in an electron-beam welding operation
Patent
·
OSTI ID:863996
- Knoxville, TN
- Oak Ridge, TN
The present invention is directed to an apparatus for automatically maintaining a shrinking weld joint in alignment with an electron beam during an electron-beam multipass-welding operation. The apparatus utilizes a biasing device for continually urging a workpiece-supporting face plate away from a carriage mounted base that rotatably supports the face plate. The extent of displacement of the face plate away from the base is indicative of the shrinkage occuring in the weld joint area. This displacement is measured and is used to move the base on the carriage a distance equal to one-half the displacement for aligning the weld joint with the electron beam during each welding pass.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN
- DOE Contract Number:
- W-7405-ENG-26
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4291219
- OSTI ID:
- 863996
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
/219/318/
aligning
alignment
apparatus
apparatus utilizes
automatically
base
beam
beam welding
biasing
biasing device
carriage
carriage mounted
continually
device
directed
displacement
distance
distance equal
electron
electron beam
electron-beam
equal
extent
indicative
joint
maintaining
measured
mounted
move
multipass-welding
occuring
one-half
operation
pass
plate
rotatably
shrinkage
shrinking
shrinking weld
supports
urging
utilizes
weld
weld joint
welding
welding operation
workpiece-supporting
aligning
alignment
apparatus
apparatus utilizes
automatically
base
beam
beam welding
biasing
biasing device
carriage
carriage mounted
continually
device
directed
displacement
distance
distance equal
electron
electron beam
electron-beam
equal
extent
indicative
joint
maintaining
measured
mounted
move
multipass-welding
occuring
one-half
operation
pass
plate
rotatably
shrinkage
shrinking
shrinking weld
supports
urging
utilizes
weld
weld joint
welding
welding operation
workpiece-supporting