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Sound Dampening for Springs

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Vinyl Plastisol Coated Spring

Situation
Customer discovered that dampening springs on their vibratory finishing machines reach a harmonic that create an annoying "ringing" sound

Approach
Apply uniform coating of vinyl plastisol. Consistent coverage is achieved and the flexible, thermoplastic nature of the coating absorbs harmonics generated by the springs.

Result
Annoying "ringing" sound is eliminated.