Resistance Seam Welding is an extremely efficient joining technique ideally suited for high-volume manufacturing, adaptable for most metals and their alloys.
Resistance welding uses the application of electric current and mechanical pressure to create a weld between two metallic parts. Copper electrodes conduct a current through the work pieces, generating enough local heat from the electrical resistance and the thermal conductivity of the metal to create a small molten pool. The metal then cools while under pressure, forming a weld nugget with adequate strength to hold the parts together. The process requires the application of external force, but no fluxes, filler metals, or external heat sources are necessary. Request a Quote
Resistance Seam welding is a high-speed resistance welding process that produces leak-tight, continuous joints for sheet metal applications. In seam welding, the sheet metal parts are clamped between rotating wheel electrodes that transmit continuous pulses of electrical current while advancing the work piece, forming a series of overlapping weld nuggets.
Resistance Seam Welding Benefits
- Efficient energy use, with little pollution
- Fast processing times
- Easily automated
- No required filler materials
- Economical
- Adaptable to a variety of electrically conductive materials
- Ability to produce leak-tight welds
Resistance Seam Welding Limitations
- Applications may be limited by component shape and wheel access
Vollrath, a full-service, ISO 9001:2000 certified company, has the manufacturing strength, technical knowledge, and experience to hold the leading edge in welding services. Our attention to process control eliminates common production problems and ensures the delivery of consistent quality for every welding application.
For more information about our resistance welding capabilities or to request a quote for your specific application, please contact Vollrath. We’d enjoy hearing from you.
Deep Drawn Metal Stampings l Sheet Metal Stamping l Resistance Spot Welding l Robotic ARC Welding l Resistance Seam Welding l Aluminum TIG Welding Projects l Automotive Metal Stamping l Precision Sheet Metal Fabrication l Sheet Metal Engineering
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Resistance Seam Welding by Vollrath.
Drawn stainless steel shells are loaded onto the conveyor belt of an
annealer that is atmospherically controlled to prevent oxide scale and
discoloration on the parts during the annealing process.
Stainless steel parts are processed through an automated pickling/passivating
line to remove oxide scale and heat tint discoloration as well as to remove
surface contamination.
The pictured robotic welder is used for plasma arc welding parts that
require accurate weld locations, repeatability and long weld paths (or
for multiple parts with short weld paths). To help reduce part cost, this
unit is set up in a cell environment to permit additional operations during
welding.
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