![]() Since powder coaters blast and prime parts before powder coating them, we asked Jeff Maney at Statewide Custom Powder Coating of New London, Wis., what he thought. After reading this article, we still didn't know for sure if blasting would ruin a coil spring, but we formed an opinion that if the heat created during a shot peening process didn't hurt springs, blasting probably wouldn't either. The bottom line was that some of the Toyota enthusiasts had done it and gotten away with it, but no one had any hard data or expert advice to go by.Īnother discussion at included a highly technical article called "Shot Peening Techniques for Springs" written by Kumar Balan, who is a Product Engineer with Wheelabrator Group Equipment's Process Design & Specification Conformance Department. ![]() Some posters said it was fine to blast springs, some said it wasn't and some admitted they just didn't know for sure. At a Website for Toyota pickup truck owners this topic was touched upon in a general discussion about whether it was OK to powder coat coil springs. To be honest, there wasn't much good information about this topic on the Internet. ![]() A loose spring can become a dangerous flying object. ![]() Coil spring compressors like these can be used to compress a spring for removal.
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