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隧道管片脱模剂自动喷涂工艺系统研究

Research on Automatic Spraying Process System of Release Agent for Tunnel Segments
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摘要 在预制隧道管片生产过程中,脱模剂喷涂工序是能够直接影响隧道管片外观质量的重要工序,为了保证良好的脱模效果,必须保证内腔均匀的脱模剂涂覆效果。随着预制行业的转型升级,自动喷涂系统逐步开始替代人工进行喷涂作业,但由于该行业自动喷涂起步较晚,应用经验较少,还存在喷涂流挂、积液、成膜厚度不理想等问题,所以必须对自动喷涂工艺系统进行深入研究,才能充分发挥自动喷涂系统的真正优势。本文首先介绍了空气喷枪原理和喷涂系统设计,其次提炼出自动化喷涂工艺研究所需的关键参数,最后在试验验证过程中,进行了基础工艺实验、实物喷涂实验、喷涂作业标准化过程及持续优化四项研究内容,以期达到较好的隧道管片成品外观质量。 In the production process of prefabricated tunnel segments,the release agent spraying process is an important process that can directly affect the appearance quality of tunnel segments.In order to ensure good release effect,it is necessary to ensure a uniform release agent coating effect in the inner cavity.With the transformation and upgrading of the prefabricated industry,automatic spraying systems are gradually replacing manual spraying operations.However,due to the late start and limited application experience of automatic spraying in this industry,there are still problems such as spraying sagging,liquid accumulation,and unsatisfactory film thickness.Therefore,it is necessary to conduct in-depth research on the automatic spraying process system in order to fully leverage the true advantages of automatic spraying systems.This article first introduces the principle of air spray guns and the design of spraying systems.Secondly,the key parameters required for automated spraying technology research are extracted.Finally,during the experimental verification process,four research contents are carried out:basic process experiments,physical spraying experiments,standardization process of spraying operations,and continuous optimization,in order to achieve good appearance quality of tunnel segments.
作者 郭岩 GUO Yan(China Railway 14th Bureau Group Fangqiao Co.Ltd.,Beijing 102400,China)
出处 《铁道建筑技术》 2024年第5期35-38,共4页 Railway Construction Technology
基金 中铁十四局集团有限公司科研项目(913700001630559891202008)。
关键词 隧道管片 脱模剂自动喷涂 工艺参数 标准化作业 shield segments automatic spraying of release agent process parameters standardized operation
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