Blog

• Reversing DC and the Benefits of Joining Lightweight Materials

  November 28, 2016

  With the need to produce lighter weight vehicles, the switch from conventional steel applications to aluminum is beginning to take hold in the automotive industry. While Resistance Spot Welding (RSW) of aluminum is nothing new to the auto industry, until now it has been used in lower production rate vehicles or batch build closure applications. To meet the demand of CAFÉ standards, there is need to use it on high production lines.

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• Energy Savings for Fiberglass Insulation and Composite Manufacturing

  October 10, 2016

  As the cost of electrical energy continues to rise, manufacturers are looking for ways to reduce power consumption—energy lost in transmission. In this Energy Savings study, we assess how to do that.

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• How to Protect Resistance Welding Transformers and MFDCs

  August 23, 2016

  Mark Siehling, RoMan’s Vice President of Engineering, discusses the best means to protect resistance welding (RW) transformers and medium frequency direct current (MFDC) transformer rectifiers from failure due to over-temperature.

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• Which is Best for Projection Welding of Nuts and Studs—AC, MFDC, OR CD?

  July 26, 2016

  Don DeCorte, RoMan’s Vice President—Resistance Welding Products, explains the strengths and weaknesses of using AC, MFDC and CD welding processes for projection welding of nuts and studs.

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