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2021年4月29日 The surface of steel generally has defects such as oxide scale, rust, local unevenness, warping, or distortion, and it is necessary to perform operations such as
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2023年3月9日 Flow diagram of the hybrid shipyard As for the route of the repair phase, three currents arise: scrap, other materials and the ship ready for delivery. The steel
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2021年4月4日 Figure 4: Layout of a shipyard and process flow. We began this series of articles with an aim to understand the entire shipbuilding
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2012年9月27日 This paper analyzes the pre-assembly steel processes of an actual shipyard. Then the processes are mapped utilizing a value
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2021年4月28日 Definition Shipbuilding technology is generally divided into hull construction process, outfitting process, and painting process. The hull construction process is the
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2020年1月1日 Steel plate yard in shipbuilding, followed by the Separated-Strategy, is divided into Temporary-Area, Storage-Area, and Delivery-Area. ... This paper develops a
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2013年12月10日 This paper analyzes the pre-assembly steel processes of an actual shipyard. Then the processes are mapped utilizing a value stream mapping
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2021年9月4日 The advantages that result with the operation of this hybrid plant include: the reduction of the environmental footprint of ship breaking, assurance of steel tracking in
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The optimum reaction conditions for the combined process were as follows: O3 dosage of 500 mgL−1, O3 mass flow of 4.1 mgmin−1, catalyst dosage ratio of 5:1, and reaction temperature of 35 °C.
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2023年3月9日 final output. Through the shipbuilding process, welding -related applications constitute the core of the shipbuilding activity. Ship Repair When it comes to the ship repair shipyard, the activity flow changes. The ship repair shipyard is the third-middle stage of the vessel’s life cycle. In other words, that shipyard is
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2022年1月28日 Production planning is an important factor for production efficiency in the shipyard. However, planning is currently executed by manual operations based on the experience of field workers because of the complexity of the target shipbuilding project. This paper proposes a method of creating a realistic production plan automatically by
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2012年9月27日 Whereas in an earlier paper the panel assembly process of a typical medium sized shipyard was mapped, in this paper the methodology is adapted to enable the mapping of the next downstream process ...
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These studies included the construction of a process-modeling database to simulate the initial steel cutting process during shipbuilding (Fast, 2000), methods to apply simulation techniques to ...
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2021年9月4日 The steel used by the maritime industry complies with the quality standards of shipbuilding, presents high durability and is a valuable raw material for reuse by the industrial sector.
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760 3.3 Data presentation—plasma cutting speed The process of plasma cutting as also monitored. The work followed was diversified in various steel plate thickness, allowing to estimate the plasma
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2011年1月1日 The OXOX represents 'load leveling' of process flow which is very important in undisturbed downstream processes flow [7, 9]. Production lead time showed improvements from 1'1.70 hours to 4.75 ...
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2020年8月25日 The country’s shipbuilding industry has benefited from the large domestic production of steel and a strong marine equipment industry , and their large shipyards have dominated for the past decade . South Korean shipyards produce a variety of different ship types, with the main types being larger vessels, such as container ships and various ...
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2022年2月18日 The only way to manage those risks is to combine cost, schedule and technical requirements in a fully planned, resourced and budgeted end-to-end project management solution. This integrated solution must offer the three following features: Integrated planning: Typically, in the marine industry, the work breakdown structure
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2020年7月21日 Ship block assembly planning is very complex due to the various activities and characteristics of ship production. Therefore, competitiveness in the shipbuilding industry depends on how well a company operates its ship block assembly plan. Many shipbuilders are implementing various studies to improve their competitiveness in ship
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2021年4月4日 Figure 4: Layout of a shipyard and process flow. We began this series of articles with an aim to understand the entire shipbuilding process and the flow of material from the stockyard to the end product. A
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2020年11月16日 The first included interviews, study visits to a shipyard and a survey to external experts to identify core capabilities for sustainable shipyard processes. New concepts and solutions in the shipyard processes and supply-chain management were investigated. The second stage included an industrial phase which evaluated the
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2018年12月31日 The panel assembly line stage of the shipbuilding process is a key phase of the production sequence due to its relation with the remaining shipbuilding stages, essentially framed in the ship’s ...
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2021年1月1日 To develop an integrated production planning system for the to-be process derived through the PI/BPR methodology, the CBD methodology (Chaudron et al., 2005), which includes requirement analysis, architecture design, implementation, and test steps, was used.The comparison between develop methods is shown in Table 1.Currently, the
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Launching. When the block installation and the painting are over, a ship is floated on the sea for the first time. The building berth inclines to the direction of the sea like a slide and we let a ship slide on it and float on the sea. The launching is the tensest moment for our shipyard staffs and is also the most important day on shipbuilding.
خبير الاتصال2022年1月28日 Production planning is an important factor for production efficiency in the shipyard. However, planning is currently executed by manual operations based on the experience of field workers because of the complexity of the target shipbuilding project. This paper proposes a method of creating a realistic production plan automatically by
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2020年12月6日 Abstract. The design process for a ship is primarily concerned to ensure successful, safe operation to meet the owner’s requirements. Increasingly in order to build the ship efficiently and at the lowest possible cost, design has expanded to include all the detailed information needed for production. Working alongside other functions, the ...
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2019年8月6日 Timeliness of steel distribution centers can effectively ensure the smooth progress of ship construction, but the carbon emissions of vehicles in the distribution process are also a major source of pollution. Therefore, when considering the common cost of vehicle distribution, taking the carbon emissions of vehicles into account, this paper
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2021年6月8日 Figure 10: Material flow in shipyard from stockyard to unit assembly areas In reference to Figure 10, we have seen all the processes involved till cutting, marking, shaping and bending. What was not explained, was the process that runs parallel to all the above – preparation of outfit materials, pipe bending and outfit fabrication.
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2021年1月7日 Improve profile production in shipbuilding. Efficient production in the cutting shop is crucial in the shipbuilding process. It can be a tough challenge to realize. This blog post discusses three principles, which we have learned over the past 35 years, to improve steel profile production.
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