نتایج جستجو برای: model assembly line
تعداد نتایج: 2542907 فیلتر نتایج به سال:
This paper discusses the simulation study carried out for proposing one-piece lean line layout with features of Lean Manufacturing. The lean initiatives that can be addressed are, introducing Kanban replenishment sys-tem, better work-in-process, changing the layout, visual management techniques, standardized work for the re-duction of cycle time, number of workers, number of setups. To improve ...
Mixed-model assembly lines allow for the simultaneous assembly of a set of similar models of a product, which may be launched in the assembly line in any order and mix. As current markets are characterized by a growing trend for higher product variability, mixed-model assembly lines are preferred over the traditional single-model assembly lines. This paper presents a mathematical programming mo...
This paper addresses a multi-objective mathematical model for the mixed-model two-sided assembly line balancing and worker assignment with different skills. In this problem, the operation time of each task is dependent on the skill of the worker. The following objective functions are considered in the mathematical model: (1) minimizing the number of mated-stations (2), minimizing the number of ...
Printed circuit boards (PCBs) are extensively used in diverse electronic products today. The placement process is generally the bottleneck in a PCB assembly line. Many researchers have indicated that an optimal component placement sequence reduces the cycle time of an assembly line with single placement machines. However, in current PCB assembly lines, more than one placement machine, including...
This paper presents a nonlinear mixed-integer programming model to minimize the stoppage cost of mixed-model assembly lines. Nowadays, most manufacturing firms employ this type of line due to the increasing varieties of products in their attempts to quickly respond to diversified customer demands. Advancement of new technologies, competitiveness, diversification of products, and large customer ...
This paper presents an analytical model based on mean value analysis (MVA) technique for a probabilistic re-entrant line. The objective is to develop a solution method to determine the total cycle time of a Reflow Screening (RS) operation in a semiconductor assembly plant. The uniqueness of this operation is that it has to be borrowed from another department in order to perform the production s...
We explore judges’ approaches to asylum court appeals based on the issue of conversion from Islam Christianity. Our ethnography in Germany and Austria 2018 2019 provides an insight into how such claims are discussed during appeals. At time, they were increasingly common, especially concerning Iranians Afghans involved ‘free churches’ (e.g. Evangelical, Pentecostal or charismatic). show rumours,...
Mixed-model assembly line (MMAL) is a type of assembly line where several distinct models of a product are assembled. MMAL is applied in many industrial environments today because of its greater variety in demand. This paper considers the objective of minimizing the work overload (i.e., the line balancing problem) and station-to-station product flows. Generally, transportation time between stat...
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