نتایج جستجو برای: system fta fmea fuzzy failure rate reliability rpn
تعداد نتایج: 3403883 فیلتر نتایج به سال:
Failure mode and effects analysis (FMEA) has been extensively used for examining potential failures in products, processes, designs and services. An important issue of FMEA is the determination of risk priorities of the failure modes that have been identified. The traditional FMEA determines the risk priorities of failure modes using the so-called risk priority numbers (RPNs), which require the...
Quality control is a part that must be taken into account by every company in developing era like today. Pt. XYZ produces palm oil. Types of defects the packaging PT. includes uneven prints, not tightly closed, peeling brand glue. From three defects, an analysis was carried out using FMEA and FTA methods so quality product even better providing proposed improvements at stage considered failure....
For proper management of life cycle of machines and manufacturing facilities, it is important to perform appropriate maintenance operations, and to keep machine status for better reuse and recycling opportunity. For this purpose, a virtual maintenance system is very effective, where facility life cycle model is constructed in computer, and reliability and availability of machines are predicted ...
Failure Mode and Effect Analysis (FMEA) is one of the well-known techniques of quality management that is used for continuous improvement in product or process design. One important issue of FMEA is the determination of the risk priorities of failure modes. The purpose of this paper is to compare three different methods for prioritizing failure modes in a process FMEA study. These methods are t...
The clean water is one of the basic needs with unlimited use even in economic field. opportunities provided can be utilized by companies that produce bottled drinking (AMDK). existence defective products obtained production so need for quality analysis product still within control limits on P chart. This done knowing highest value influential failure mode. So suggestions improvement kaizen give...
In the reliability centered maintenance (RCM) methodology, the reliability estimates of the system are used to provide a cost-effective & satisfactory maintenance schedule. In this paper, a new framework for improvement of the RCM procedure based on the failure mode and effect analysis (FMEA) is developed. In order to achieve the objective, first based on the OREDA handbook classification the c...
The aim of this study is to highlight the key elements for optimizing printed circuit board (PCB) fabrication productivity through improving manufacturing process efficiency. Failure mode and effect analysis (FMEA) a technique used reduce percentage finished goods that are found be defective during final inspection, resulting in low rejection ratios optimized PCB design. This paper presents all...
Nowadays safety at workstations is so important for managers and they try to ensure that workstations meet minimum requirements. There are some research about using FMEA (Failure mode and effects analysis) to increase the safety at work especially in food industries and hospitals, but all of them have concentrated on safety in special points of view and they are not applicable for all fields. I...
The goal of quality and reliability systems is the same-to achieve customer satisfaction. Quality and reliability are synonymous. A system cannot be reliable if it does not have high quality. Likewise, a system cannot be of high quality if it is not reliable. The quality performance of a firm is often assessed by the reliability of the firm's equipment or machinery. If a system is unreliable, i...
Increasing demand for simplification of frequently used products promotes innovation with simple mechanisms. In this study, an attempt is made by amalgamating FMEA, QFD, TRIZ, LCA, and fuzzy TOPSIS the development sustainable products. The methodology executed to redesign a pressure relief valve (PRV) in economic, sustainable, innovative manner. failure modes PRV are considered FMEA ranked thei...
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