Air bubble film machine for a balance between reliability and cost as much as possible

by:Mengxing     2020-06-06
Product reliability and cost in the product design of paradox, on the one hand, the malfunction of the product as much as possible to reduce the fault even no guarantee product quality, meet the requirement of reliability, and on the other hand requires the product production cost is low. Therefore, in the product design to make a balance between reliability and cost as much as possible. The reliability of the air bubble film machine, bubble film machine is made of high quality polyethylene resin processing, also is a kind of packaging materials, the current widespread use of wide range of USES. Due to the air cushion membrane layer filled with air, so the body is light, elastic, with sound insulation, shockproof antiwear performance. In the bubble film machine working principle, structure and characteristics were studied on the basis of failure mode effect and harm of air bubble film machine analysis table ( FMECA) , determine the key components of air bubble film machine of the potential failure mode and the important failure modes; Through the fault tree ( FTA) Analysis, considering the various failure modes of the air bubble film machine, find out the weak links. The cost of air bubble film machine, bubble film machine reliability block diagram, at a given reliability, cost, working environment, such as constraint conditions, the distribution of reliability evaluation method combined with a cost function constraint allocation methods, established a bubble film machine reliability allocation method, the method not only meets the requirements of the reliability of the products, and meet the requirement of product economy.
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