Resistance welding related articles

There are 10 articles related to resistance welding.

Resistance-weld more for less: Best practices prolong electrode life 

Costs associated with poor resistance weld quality often can be traced back to faulty electrode usage. With today’s high cost of copper—to say nothing of the extra labor and lost production time—wearing out electrodes prematurely has become more expensive than ever.
By: James L. Dillard - The FABRICATOR®, 5/13/08
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Respecting your resistance welder: Avoiding downtime with preventive maintenance practices 

Resistance welding results are only as good as the machine that is completing the process. By understanding how to properly maintain your resistance welding machine, you will be able to prevent unnecessary problems that tend to plague the unit’s critical areas.
By: Tom Snow - www.thefabricator.com, 3/11/08
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Projection welding for nut and bolt attachment: Competing or complementary joining methods? 

Projection welding, also known as resistance fastener welding, is the most common method for nut and M- or T-thread bolt welding. This article examines recent experiments with projection welding of those components to various high-strength steel components.
By: John Larsson - The FABRICATOR®, 2/12/08
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Mode of least resistance: Understanding control modes in resistance welding 

With the advent of transistorized controls in resistance welding, power supplies are available in which feedback can be used to control current, voltage, or power delivered. The use and benefits of these control modes are not well understood, leading to underutilization of the technology. It is imp...
By: Girish Kelkar, Ph.D - The FABRICATOR®, 8/8/07
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Why use multiple-impulse resistance welding?: An explanation of the process, its heat balance mechanism 5 Star Article 

Multiple-impulse welding isn't uncommon, but it's not usually the first choice for most resistance welding applications. However, experiments with this type of resistance welding demonstrate that it has a wider range of applications, especially when its modified heat balance is understood
By: Girish P. Kelkar, Ph.D., Contributing Writer - The FABRICATOR®, 11/9/04
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Revving up weld quality: Ford Development Center uses RW system to reduce costs, improve quality 

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www.thefabricator.com, 6/8/04
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Exercising control: Resistance welding companies strive to boost process reliability, repeatability 

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By: Lincoln Brunner, Contributing Writer - www.thefabricator.com, 11/20/03
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Electric resistance welding at a glance: Process, power supply, and weld roll basics 5 Star Article 

This article provides an overview of electric resistance welding (ERW). It dicusses high-frequency ERW (contact and induction) and rotary wheel contact welding (AC, DC, and square wave). It describes the differences among the processes, as well as the power supplies and weld rolls.
By: Gerald Weimer and Ray Cagganello, Contributing Writers - www.thefabricator.com, 6/13/02
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Examining electric resistance weld nuggets in tube and pipe: Using the microscope to study weld characteristics 5 Star Article 

An in-depth examination of electric resistance welding nuggets as a quality control step in the manufacturing of high-strength tube and pipe used for pressure applications…
By: Lew Warren, Contributing Writer - www.thefabricator.com, 4/24/01
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What you don't know about spot welding: Some lesser-known uses of resistance welding equipment 5 Star Article 

Resistance welding equipment has many uses that many people often don't think about. Everyday items that some may not associate with resistance welding owe their very existence to this versatile process.
By: Roger B. Hirsch, Contributing Writer - www.thefabricator.com, 4/24/01
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Fabricators and Manufacturers Association, International Tube and Pipe Association, International