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Regis Geisler

Regis Geisler III is a registered Professional Engineer, Specials Certification Engineer and AWS Certified Welding Inspector who has worked the last eleven years at The Lincoln Electric Company, 22800 Saint Clair Avenue, Cleveland, OH 44117-8542, 216-481-8100, Fax: 216-486-1751, For questions or comments on this column, contact Regis at

Articles by Regis Geisler

Choosing a Butt Weld Joint Preparation

Which joint configurations provide the best economy? Here is an examination of the “pro-versus-con” arguments that must be weighed out in order to make an informed decision when choosing between U-groove and V-groove joint preparations and small bevel versus large bevel configurations.

Using 95/5 Shielding Gas During Low-Alloy Filler Rod Conformance Testing

In filler metal qualification tests where argon/oxygen shielding gas mixtures are used, Regis Geisler of Lincoln Electric explains why and how to leave some wiggle room in contracts to make adjustments as the situation warrants, instead of stipulating how welding will take place with a particular blend.

Focus on Proper Weld Size When Developing WPS Parameter Ranges

The fabricator and the erector must determine the most appropriate range of travel speeds for a particular application, rather than relying blindly on published product certs. However, following the methodology presented here by Regis Geisler of Lincoln Electric provides another possible blueprint on how this may be achieved.

Requesting the Appropriate Level of Weld Testing for Special Order Filler Materials

Welding filler metal certification, documentation and accountability is frequently a step of the nuclear pressure vessel fabrication and military shipbuilding process. Regis Geisler of Lincoln Electric explains how to select the appropriate weld testing requirements to verify quality and attest that the products being supplied meet the constituents of the required specification.

Estimating Total Welding Costs

Keeping your welding costs low goes far beyond buying the lowest priced wire available. You must analyze how welding processes that increase deposition rate and increase productivity will reduce the largest component of welding costs – your labor and overhead. Here’s how to do it.

Modified “5-55” Vertical-Up Welding Technique Improves Bead Quality and Weld Shape

When welding with an E71T-8 electrode in structural steel fabrication and erection, here is a technique that combines the two competing priorities of being able to pause long enough at the toes to flatten out the weld and bring slag to the surface, and having a small enough weave angle in order to avoid “perforations” and inconsistent leg size.


Although the ultimate hardfacing deposit selected will vary based on the intended application, Regis Geisler of Lincoln Electric explains the welding and fabrication techniques to follow for rebuilding caster rolls, crankshafts, roll pins, extrusion rolls, crusher rolls, or other types of journals made of low alloy steel.


To emphasize the importance of the effects of welding heat input and cooling rate on weld mechanical properties, Regis Geisler of Lincoln Electric analyzes another application where a one percent nickel electrode was successfully implemented in a welding application.

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