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工程设计学报
工程设计学报  2018, Vol. 25 Issue (5): 583-589    DOI: 10.3785/j.issn.1006-754X.2018.05.013
建模、仿真、分析与决策     
基于昆虫翅脉仿生流道的数控机床主轴系统冷却结构热设计
邓小雷1,2,3, 庞世杰1, 李瑞琦1, 周宜博1, 王建臣1,3, 傅建中2
1. 衢州学院 浙江省空气动力装备技术重点实验室, 浙江 衢州 324000;
2. 浙江大学 浙江省三维打印工艺与装备重点实验室, 浙江 杭州 310027;
3. 浙江永力达数控科技股份有限公司, 浙江 衢州 324000
Thermal design of cooling structure for CNC machine tool spindle system based on insect wing vein bionic channel
DENG Xiao-lei1,2,3, PANG Shi-jie1, LI Rui-qi1, ZHOU Yi-bo1, WANG Jian-chen1,3, FU Jian-zhong2
1. Key Laboratory of Air-driven Equipment Technology of Zhejiang Province, Quzhou University, Quzhou 324000, China;
2. Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, Zhejiang University, Hangzhou 310027, China;
3. Zhejiang Yonglida CNC Technology Co., Ltd., Quzhou 324000, China
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摘要：

主轴系统的热误差是影响数控机床加工精度的主要因素。根据自然界昆虫的翅脉结构，设计了一种基于鳞翅目昆虫翅脉仿生流道的新型主轴系统冷却结构。建立了昆虫翅脉仿生流道冷却结构模型，在数值传热学相关理论基础上，通过Fluent有限元软件对传统螺旋形流道和新型昆虫翅脉仿生流道冷却结构进行流固耦合仿真对比分析，结果显示后者比前者具有更好的散热效果和流动特性：在相同边界条件下，冷却液最大流速约为1.839 m/s，出入口压降为3 181 Pa，加热面最高温度降低了约17.8%、最低温度降低了约4.6%，且冷却结构的温度场分布更均匀。研究结果可为数控机床主轴系统冷却结构的热设计提供参考。
关键词： 仿生流道;  主轴系统;  冷却结构;  热设计;  流固耦合;  热态特性    
Abstract:

The thermal error of spindle system is the important influencing factor for the machining accuracy of CNC (computerized numerical control) machine tool. Inspired by wing vein structure of insects in natural word, a new type of cooling structure for spindle system was designed based on lepidoptera insect wing vein bionic channel. Based on the numerical heat transfer correlation theory, the cooling structure model of insect wing vein bionic channel was established, and then the simulation of spiral channel and insect wing vein bionic channel was analyzed comparatively through fluid-structure interaction of the finite element software Fluent. The result showed that the heat dissipation effects and flow characteristics of insect wing vein bionic channel were better than spiral channel's. Under the same boundary conditions, the maximum flow velocity of the coolant was about 1.839 m/s, the pressure drop between the inlet and outlet was 3 181 Pa, the maximum temperature of the heating surface was reduced about 17.8%, the minimum temperature of the heating surface was reduced about 4.6%, and the temperature field of the cooling structure was more even. Those results provide a reference for the thermal design of cooling structure for CNC machine tool spindle system.
Key words: bionic channel    spindle system    cooling structure    thermal design    fluid-structure interaction    thermal characteristic
收稿日期: 2018-03-26 出版日期: 2018-10-28
CLC:  TH161  
基金资助:

国家自然科学基金资助项目（51605253）；浙江省自然科学基金资助项目（LY16E050011）；衢州市科技计划资助项目（2016Y003）；衢州学院校企合作教学团队项目（HZTD201701）
作者简介: 邓小雷(1981-),男,浙江衢州人,副教授,博士,从事数控技术与装备自动化技术等研究,E-mail:dxl@zju.edu.cn,https://orcid.org/0000-0002-2868-6310
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引用本文:

邓小雷, 庞世杰, 李瑞琦, 周宜博, 王建臣, 傅建中. 基于昆虫翅脉仿生流道的数控机床主轴系统冷却结构热设计[J]. 工程设计学报, 2018, 25(5): 583-589.

DENG Xiao-lei, PANG Shi-jie, LI Rui-qi, ZHOU Yi-bo, WANG Jian-chen, FU Jian-zhong. Thermal design of cooling structure for CNC machine tool spindle system based on insect wing vein bionic channel[J]. Chinese Journal of Engineering Design, 2018, 25(5): 583-589.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2018.05.013    或    https://www.zjujournals.com/gcsjxb/CN/Y2018/V25/I5/583

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