建立了以消耗功率最小为目标函数的数学模型，并结合实例进行了刮板输送机参数的优化设计。
A mathematic model with a target function of minimum power consumption and the optimal design of the parameters of a scraper conveyor shown as a practical example are given.
给出了刮板输送机方案设计及选型信息系统业务流程图和UG模型设计加工流程图。
This paper represents the professional diagram of scraping block conveyor scheme designing and type selecting information system and diagram of UG modern designing and machining.
最后模型被覆盖上一层熔化的蜡，然后用刮板使之平滑。 这样使得模型表面光滑，防止它粘附在模具上，有助于从后者移走。
This was to give the model a smooth surface to prevent it adhering to the mould, and to assist its removal from the latter.
最后模型被覆盖上一层熔化的蜡，然后用刮板使之平滑。 这样使得模型表面光滑，防止它粘附在模具上，有助于从后者移走。
This was to give the model a smooth surface to prevent it adhering to the mould, and to assist its removal from the latter.
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