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At What Point In The Manufacturing Process Should Vibration Testing Take Place?

15-08-2023

Determining the optimal timing for vibration testing within the manufacturing process holds paramount importance. While it's customary to subject finished products to vibration testing to emulate real-world stresses during shipping, handling, and usage, this practice uncovers potential design vulnerabilities and weak points that might result in untimely failures or operational glitches. Yet, for maximal efficacy, the recommendation is to integrate vibration testing across various production stages, commencing from the inception of the design phase. Here, initiating vibration testing on prototypes proves judicious, pinpointing latent design flaws and frailties, enabling timely adjustments even before production kicks off. This pre-emptive measure can effectively curtail expenses and time incurred by design modifications later in the manufacturing trajectory. Pre-Qualification testing often surpasses anticipated levels, ensuring a robust product emerges, exceeding official qualification testing or expected real-world usage standards. Qualification Testing, frequently conducted within certified test laboratories or accompanied by customer witness tests, culminates as the ultimate evaluation preceding the product's full-scale production initiation. Following the completion of the final product, routine vibration testing ought to be integral to maintain alignment with the design criteria's anticipations. This persistent oversight, dubbed Environmental Stress Screening (ESS), can be enacted for either the entirety of production or batch testing, contingent on industry norms. Stress Screening adeptly spots minor variations in manufacturing, encompassing material imperfections, machining irregularities, or assembly discrepancies.
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