A fellow instructor and I recently conducted on-site training for a company that offers repair and overhaul services for air freight companies. The training consisted of basic and intermediate shot peen training as well as instruction for Roto-Flap peening. During the Roto-Flap training I was treated to a perfect example of why different operators must generate their own saturation curves. This practice is outlined in many specs and the El Education Division instructors emphasize it in our training. After a Roto-Flap lecture, the students use the equipment themselves. With the help of the instructor, each student practices their technique on a scrap part or an Almen strip. If needed, the instructor will correct bad practices until the student demonstrates proper technique. There are only a couple simple rules to observe when establishing a proper technique and individual styles are acceptable. Different styles can consist of how high the mandrel is held away from the surface or the size of the circular pattern.
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