نتایج جستجو برای: assembly
تعداد نتایج: 127097 فیلتر نتایج به سال:
Automobile sector forms the backbone of manufacturing sector. Vehicle assembly line is important section in automobile plant where repetitive tasks are performed one after another at different workstations. In this thesis, a methodology is proposed to reduce cycle time and time loss due to important factors like equipment failure, shortage of inventory, absenteeism, set-up, material handling, r...
Background and aims: In manual assembly industries, productivity could increase by scientific study, correct and accurate identification of activities and the time required for implementing each activity - with respect to the health, safety and human wellbeing. Although the positive effect of engineering interventions on the efficiency of production is evident, but its impact on the productivit...
A heuristic method based on simulation and design of experiments for performance improvement of assembly line is presented in this paper. In the proposed method, all effective factors on the performance of an assembly line are specified using the expert's point of view and then a 2k factorial design is used for the selection of the most effective factors. Also a factorial design is applied for ...
چکیده ندارد.
background cucumber mosaic virus (cmv) has isometric particles with a diameter of about 28–29 nm. a useful method to recognize regions from mutagenesis in the coat protein (cp) gene are important for particle assembly and the expression of viral in cp expression systems like bacteria such as e.coli or yeast as well as their assembly into virus-like particles (vlp). objectives in this paper, we ...
supramolecule self assembly polyamidoamine (pamam) dendrimer refers to the chemical systems made up of a discrete number of assembled molecular subunits or components. these strategies involve the covalent assembly of hierarchical components reactive monomers, branch cells or dendrons around atomic or molecular cores according to divergent/convergent dendritic branching principles, systematic f...
Tolerance analysis of mechanical assemblies is an important tool in reliable design of products at low cost and good quality. Using this tool, it is possible in manufacturing stage to observe the effect of parameters on assembly requirements. The direct linearization method is a useful method which runs based on vector loop analysis. In this research, the DLM method is used to analyze the toler...
[naeini1] the current research aims to investigate improvement possibility of iran heavy diesel (desa) company assembly line by simulation. therefore, in addition to reviewing the existing thematic literature in relation to the system, model, simulation, assembly lines and the improvement solutions, as well as studying similar research background and history, the primary model of company assem...
In this article, we integrate production and maintenance to two stage lot sizing models with a central warehouse and a manufacturer by adding a new constraint in which the demand is depend on the average percent of product shortage. The central warehouse faces stochastic demand and is controlled by continuous review (R,Q) policy. Additionally, Warehouse ordering cost can be reduced through furt...
this study attempts to answer the fundamental question that how the process of the normative institutionalization (institutions linked with the values and social norms), can help for good governance and management of social, cultural, community agencies? this research investigates how the representatives how can link the islamic consultative assembly with the social values and norms and what t...
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