A Virginia nuclear physics laboratory asked us to improve the quality of welds in vacuum chambers used in its’ research equipment. The client was seeking a way to minimize excess heat input, distortion, and variation in magnetic properties that result from conventional fusion welding.
We consulted with the customer to design an electron beam-specific weld joint that optimized virtual leak performance at ultra-high vacuum. The welding process was developed, and the performance of the design was validated by using sample coupons provided by the customer.
We fabricated clamping fixtures to secure the parts for welding using its internal machining capabilities. Electron beam welding of the 316L Stainless Steel component satisfied the full penetration requirement of .135”. The overall dimensions of the part were 126" long, 5.7" tall, and 1.0” wide.
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Product Name: Vacuum Chamber
Product Description:
This assembly is a vacuum chamber used in a particle accelerator laboratory. We electron beam welded 4 plates together to form a box section.
Capabilities Applied/Processes:
Weld Joint Design Consultation
Custom Tooling:
Electron Beam Welding:
Overall Dimensions:
Part Dimensions:
Length: 126"
Width: 1.0"
Height: 5.7"
Weld Dimensions:
Joint Thickness: .135"
Weld Penetration Depth: .135" (100%)
Material Used:
316L Stainless Steel
Industry for Use:
Nuclear Physics
Delivery Location:
Virginia
Standards Met:
Customer supplied specifications