1 °) Reproduction of a peening specification has already been addressed in previous reports.

2 °) Conversely, to specify a peening operation, starting from scratch, is a generally quite lengthy experimentation process. The parts are blasted directly with various intensities, noted in each case, and subjected to experimental tests to verify the improvement of their operating conditions (resistance to fatigue, corrosion, etc.).
The range of intensities corresponding to the best results can thus be detected and will become part of the final specification, complete with references and coverage, nature of the material, etc.

3 °) In sporadic operations, rarely repeated and without paradigms, for example, in blasting, the blasting is done without intensity control, trying to approach specifications that already gave good results in approximately similar case. In general, the results are always favorable, with some practice, 70 to 90% of the maximum attainable can be obtained.

4 °) For repeated operations for own use, as is the typical case of applications in cutting tools that involve, besides the usual variables in “shot peening”, others as jet incidence direction and variable particle size, the procedure is different. .

A batch of a given tool is subjected to the same process that is recorded on the appropriate sheet and the experimentally obtained production data controlled.
After each subsequent sharpening, the peening is repeated by changing only one of the variables, which change will or will not be maintained by the results observed in practice. Recording these continuously optimized specifications does not require the Almen test.