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Energy efficiency estimation of a combined production chain - forming and machining

机译:联合生产链的能效估算-成型和加工

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摘要

When analysing the energy consumption or improving its efficiency, the approaches are sometimes very idealistic, far away from the daily practice on the shop floor level. From previous researches it is known how much specific energy is needed for forming, machining operations, for heat and surface treatments. With this knowledge it is then possible to evaluate complex process chains and to optimise them regarding minimal energy consumption and/or minimising cost generation. The contribution intends to discuss the problem of energy consumption in real production environments, namely it is necessary to consider additional loses of energy as lead times of machines, energy for handling and logistics, additional energy consumption as a result of non adequate machines. At the end the energy efficiency estimation will be performed for a combined processes chain (forming and machining). Very often special lubricants and lubricants carriers are used to assure lower friction and longer tool life. But these measures affect the danger of pollution, needs again more energy for application and later on for the removal of lubricants. An appropriate balance between eco problems and energy consumption should be the most adequate basis for subsequent decision taking. Finally the paper intends to point out the importance of adequate equipment and process selection, which would assure minimal energy consumption as well the ecological burden inside permissible limits.
机译:在分析能耗或提高其效率时,这些方法有时非常理想化,与车间的日常实践相去甚远。从以前的研究中可以知道,成型,机加工,热处理和表面处理需要多少比能。有了这些知识,就可以评估复杂的工艺链,并在最小的能耗和/或最小的成本产生方面对其进行优化。该文稿旨在讨论实际生产环境中的能耗问题,即有必要考虑因机器的交货时间而导致的额外能量损失,用于处理和物流的能量以及由于机器不足而导致的额外能量消耗。最后,将对组合过程链(成型和机加工)执行能效估算。通常,使用特殊的润滑剂和润滑剂载体来确保较低的摩擦力和更长的工具寿命。但是这些措施会影响污染的危险,再次需要更多的能量来进行应用,然后再去除润滑剂。生态问题和能源消耗之间的适当平衡应该是后续决策的最充分基础。最后,本文旨在指出适当的设备和工艺选择的重要性,这将确保最小的能耗以及在允许范围内的生态负担。

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