Spring Manufacturers Institute (Smi)

serving, supporting and educating north american precision spring manufacturers in their pursuit of competitiveness in global markets. the members of smi work together to meet the key issues of the industry worldwide, including quality, design, materials, technology and government regulations. the many services of smi include: publications: springs magazine is published by smi four times a year. guided by a committee of springmakers, the magazine includes technical and how-to information, as well as articles on management issues and industry news. in addition to the handbook of spring design, smi publishes mechanical springs by a.m. wahl, the encyclopedia of spring design, the americans with disabilities act manual, the slide forming concepts manual, and the springmaking concepts workbook. software: smi's advanced spring design software (asd) simplifies the spring design process. it calculates designs, and creates plots and drawings for extension, compression, torsion and other types o