模具实验室

科学研究>>模具实验室

深圳市模具先进制造技术重点实验室
 
研究布局图:
 
研究方向1:微细加工技术

研究微模具和微电极的新型制备工艺;研究新型微细电火花放电加工、微细电解加工、微细切削加工复杂金属微结构模具;研究微细加工过程中热、电、化学、光、声等多场耦合对非晶/纳米晶/超细晶材料交互作用的各种内在科学问题。

近期主要研究微型双工位金属箔叠层成形工艺(Micro-DLOM),该工艺方法将飞秒激光切割、电火花线切割、电解线切割分别与电阻滑焊或高温真空压力热扩散焊进行组合制备三维叠层微型腔模具和三维叠层微电极;在此基础上,研究将三维叠层微电极用于微细电火花加工和微细电解加工以获得大深宽比整体式三维微型腔模具。

 
研究方向2:微成形技术

研究非晶、超细晶、纳米晶等微成形材料的新型制备工艺,揭示材料微结构与性能的演变规律;研究微成形的原理、新方法与新工艺,阐明微成形过程中的尺度效应机理,提出微型零件的质量控制方法。

近期以大批量、低成本和高效率量产微零件为目标,研究粉末电阻热微体积成形(Micro-RWM)、微型超声粉末模压成形(Micro-UPM)、微型超声塑化柔性冲头板料成形(Micro-USF)、微型超声塑化柔性冲头挤压成形(Micro-UFE)、微型高分子粉末介质板料成形(Micro-PPF)等新型微成形技术。

 
研究方向3:自动化装备

研制微型切削加工装备;研制面向微细电火花和微细电解加工的专用高频脉冲电源及其配套装置;研制自动化生产线上装备。

近期研究、改进和推广PPCNC微型数控车/铣床;研制生产线上的各种非标机电一体化装备。

 
近年的主要研究论文:

[1] Jianguo Lei, Xiaoyu Wu*, Bin Xu, Zhentao Zhao, Shuangchen Ruan, Rong Cheng. Laminated fitting fabrication of Cu-Sn composite 3D microelectrodes and elimination of ridges on the machined surface of 3D micro-cavities [J]. Journal of Materials Processing Technology, 2015, 225:24-31.

[2] Feng Gong*, Zhi Yang, Qiang Chen, Zhiwen Xie, Dayu Shu, Jiali Yang. Influences of lubrication conditions and blank holder force on microdeep drawing of C1100 micro conical–cylindrical cup. Precision Engineering, 2015, DOI:10.1016/j.precisioneng.2015.05.004.

[3] Wenyan Luo, Xiaoyu Wu*, Shiyun Wu, Bin Xu, Rong Cheng, Shuang-chen Ruan. Micro-ultrasonic powder molding of Sn-Bi/Cu composite micro parts in semisolid form [J]. Journal of Materials Processing Technology, 2015, 223:313-318.

[4]  Shiyun Wu, Xiaoyu Wu*, Bin Xu, Xiaoqiang Chen, Rong Cheng, Shuangchen Ruan. Micro-structures and tensile properties of copper-wire-reinforced Sn-Bi alloy micro-composite fabricated by micro-ultrasonic powder moulding [J]. International Journal of Advanced Manufacturing Technology, 2015, DOI 10.1007/s00170-015-6859-y.

[5]  Jinming Zhong, Xiaoyu Wu*, Bin Xu, Jibin Li, Feng Luo, Rong Cheng, Shuangchen Ruan. Laminated fabrication of micro-stepped gear mold based on WEDM and thermal diffusion welding [J]. International Journal of Advanced Manufacturing Technology, 2015, DOI 10.1007/s00170-014-6746-y.

[6]  Yan Lou*, Jiulong Pei, Peiqian He, Xiaoyu Wu. Development of a microviscosity model based on molecular chain length [J]. Microsystem Technologies. 2015, DOI 10.1007/s00542-014-2225-5.

[7]  Bin Xu, Xiaoyu Wu*, Jianguo Lei, Rong Cheng, Shuangchen Ruan, Zhenlong Wang. Laminated fabrication of 3D micro-electrode based on WEDM and thermal diffusion welding [J]. Journal of Materials Processing Technology, 2015, 221(7): 56-65.

[8]  Taijiang Peng*, Hongyan Shi, Xiong Liang, Feng Luo, Xiaoyu Wu. Experimental Investigation on Sandwich Structure Ring-type Ultrasonic Motor [J]. Ultrasonics, 2015, 56: 303-307.

[9]  Jinming Zhong, Feng Luo*, Xiaoyu Wu, Yunfeng Hu, Bin Xu, Shiquan Ling, Jibin Li. Ultrasonically driven molten resin bulge for the formation of metal micro-structures in laminated die cavity [J]. International Journal of Advanced Manufacturing Technology, 2015. 76(9-12):1845-1853.

[10]  Zhiyuan Liu, Mingwei Chen, Chiantsuan Liu*, Yong Yang*. Origin of yielding in Metallic Glasses: Stress induced flow [J]. Applied Physics Letters, 2014, 104(25): 251901-1-3.

[11]  Feng Luo*, Kaihui Li, Jinming Zhong, Feng Gong, Xiaoyu Wu, Shuangchen Ruan. An ultrasonic microforming process for thin sheet metals and its replication abilities [J]. Journal of Materials Processing Technology, 2014, 216(9): 10-18.

[12]  Shiyun Wu, Xiaoyu Wu*, Bin Xu, Rong Cheng, Feng Luo, Shuangchen Ruan. A micro-ultrasonic powder moulding method to fabricate Sn-Bi alloy micro parts [J]. Journal of Materials Processing Technology, 2014, 214(11): 2668-2675.

[13]  Xiong Liang, Xiaoyu Wu*, Kun Zeng, Bin Xu, Shiyun Wu, Hang Zhao, Bing Li, Shuangchen Ruan. Micro ultrasonic powder molding for semi-crystalline polymers [J]. Journal of Micromechanics and Microengineering, 2014, 24(4): 045014 (10pp).

[14]  Kun Zeng, Xiaoyu Wu*, Xiong Liang, Bin Xu, Yatao Wang, Xiaoqiang Chen, Rong Cheng, Feng Luo. Process and properties of micro ultrasonic powder molding with polypropylene [J]. International Journal of Advanced Manufacturing Technology, 2014, 70(1-4): 515-522.

[15]  Bin Xu, Xiaoyu Wu*, Jianguo Lei, Feng Luo, Chenlin Du, Shuangchen Ruan, Zhenlong Wang. Study on the Joining of 2D Microstructure during the Fabrication of 3D Micro-Mold [J]. International Journal of Precision Engineering and Manufacturing, 2014, 15(4): 725-734.

[16]  Yan Lou*, Heng Chen, Changxing Ke, Ming Long. Hot tensile deformation characteristics and processing map of extruded AZ80 Mg alloys [J]. Journal of Materials Engineering and Performance, 2014, 23: 1904-1914.

[17]  Feng Gong*, Bin Guo. Size effects on mechanical properties of copper thin sheet in uniaxial tensile tests [J]. Materials Science (Medziagotyra). 2014, 20(4): 509-512.

[18]  Feng Gong*, Bin Guo. Effects of solid lubrication film on SKD11 in micro sheet forming [J]. Surface and Coatings Technology, 2013, 232(10): 814-820.

[19]  Bin Xu, Xiaoyu Wu*, Jianguo Lei, Feng Luo, Feng Gong, Chenlin Du, Xiuquan Sun, Shuangchen Ruan. Research on micro-electric resistance slip welding of copper electrode during the fabrication of 3D metal micro-mold [J]. Journal of Materials Processing Technology, 2013, 213(12): 2174-2183.

[20]  Bin Xu, Xiaoyu Wu*, Shiquan Ling, Feng Luo, Feng Gong, Chenlin Du, Shuangchen Ruan, Xiuquan Sun. Study on tungsten electrode deposition effect of 3D metal micro-mold during laminated slip welding [J]. International Journal of Advanced Manufacturing Technology, 2013, 67(9-12): 2529-2536.

[21]  Bin Xu, Xiaoyu Wu*, Shiquan Ling, Feng Luo, Chenlin Du, Xiuquan Sun. Fabrication of 3D metal micro-mold based on femtosecond laser cutting and micro-electric resistance slip welding [J]. International Journal of Advanced Manufacturing Technology, 2013, 66(5-8): 601-609.

[22]  Yan Lou*, Changxing Ke, Luoxing Li. Accurately predicting high temperature flow stress of AZ80 magnesium alloy with particle swarm optimization-based support vector regression [J]. Applied Mathematics & Information Sciences, 2013, 7: 1093-1102.

[23]  Shiquan Ling, Xiaoyu Wu*, Bin Xu, Yunfeng Hu, Feng Luo, Feng Gong, Chenlin Du, Shuangchen Ruan. Laminated fabrication of micro-stepped gear mold based on femtosecond laser cutting of stainless steel foil [J]. Microsystem Technologies, 2013, 19(12):1981-1990.

[24]  Hongyan Shi*, Hui Li. Challenges and developments of micro drill bit for printed circuit board - a review [J]. Circuit World, 2013, 39: 75-81.

[25]  Chuji Chen, Hongyan Shi*, Fuming Song. Analysis of structure characteristics of a flying probe tester [J]. Circuit World, 2013, 39: 31-41.

[26]  Dehuai Zeng, Minqiang Pan*, Liming Wang, Yong Tang. Fabrication and characteristics of cube-post microreactors for methanol steam reforming [J]. Applied Energy, 2012, 91(1): 208-213.

[27]  Dehuai Zeng, Minqiang Pan*, Yong Tang. Qualitative investigation on effects of manifold shape on methanol steam reforming for hydrogen production [J]. Renewable Energy, 2012, 39(1): 313-322.

[28]  Yan Lou*, Wenhua Wu, Luoxing Li. Inverse Identification of the dynamic recrystallization parameters for AZ31 magnesium alloy using BP neural network [J]. Journal of Materials Engineering and Performance, 2012, 21: 1133-1140.

[29]  Yan Lou, Luoxing Li*, Jia Zhou, Luan Na. Deformation behavior of Mg-8Al magnesium alloy compressed at medium and high temperatures [J]. Materials Characterization, 2011, 62: 346-353.

[30]  Feng Gong, Bin Guo*, Chungjun Wang, Debin Shan, Micro deep drawing of micro cups by using DLC film coated blank holders and dies [J]. Diamond & Related Materials, 2011, 20:196-200.

[31]  Yan Lou, Xing Bai, Luoxing Li*. Effect of Sr addition on microstructure of as-cast Mg-Al-Ca alloy [J]. Transactions of Nonferrous Metals Society of China, 2011, 21(6): 1247-1252.

[32]  Hongyan Shi*, Fuming Song, Lianyu Fu. Experimental study on drilling force in printed circuit board micro drilling process [J]. Circuit World, 2011, 37: 24-29.

 
近年的主要发明专利:

[1]  伍晓宇, 阮双琛, 程蓉, 梁雄, 郭小勤, 彭太江. 一种金属叠层实体制造快速成形方法, 2011.1, 中国, ZL 2009 1 0105056.2

[2]  伍晓宇, 徐平, 程蓉, 梁雄, 罗烽, 彭太江. 一种金属微零件成形模具及其成形方法, 2012.8, 中国, ZL 2010 1 0553958.5

[3]  伍晓宇, 罗峰, 钟金明, 彭太江, 梁雄, 程蓉. 一种微型钣金零件拉深成形方法, 2013.10, 中国,ZL 2012 1 0059399.1

[4]  伍晓宇, 黄桂坚, 柴金龙, 梁雄, 杨海彬. 一种通用注塑模架, 2009.11, 中国, ZL 2007 1 0077046.30

[5]  伍晓宇, 费跃农, 梁雄, 李伟荣, 丁磊. 一种选择性阻焊熔化粉末快速成形方法, 2009.11, 中国, ZL 2007 1 0124246.8

[6]  伍晓宇, 梁雄, 李积彬. 一种加固型快速粉末治金模具制造方法, 2009.7, 中国, ZL 2007 1 0075882.8

[7]  黄虹宾. 一种蒸汽加热模具的加热设备及使用该设备的注塑工艺, 2011.6, 中国, ZL 2008 1 0141706.4

[8]  娄燕, 李落星, 吴文华, 彭怀伟. 一种动态再结晶模型参数反分析识别方法, 2013.01, 中国, ZL 2011 1 0143339.3

[9]  彭太江, 伍晓宇, 梁雄. 一种液体介质纵振非接触式超声波电机, 2011.05, 中国, ZL 2009 1 0105954.8

[10]  徐斌,伍晓宇,雷建国,罗烽,梁雄,阮双琛. 一种基于薄片电极的微细电火花制备三维微结构加工方法, 2015.04, 中国, ZL 2013 1 0442881.l8

[11]  罗烽,伍晓宇,钟金明,张观金,李凯辉,顾晓猛. 柔性冲头超声微拉深分步成形方法及其装置, 2015.4, 中国, ZL 2013 1 0037811.4

 
近年承担的国家自然科学基金项目:

[1]  国家自然科学基金面上项目,“FeSiB合金微制件粉末电阻热成形方法及其机理”,负责人:程蓉,2014.1-2017.12,80万。

[2]  国家自然科学基金面上项目,“微型腔叠层滑焊成形方法及其沉积效应”,负责人:伍晓宇,2012.1-2015.12,60万。

[3]  国家自然科学基金面上项目,“超高速摄影仪中转镜的屈服理论与试验研究”,负责人:黄虹宾,2009.1-2012.12,30万。

[4]  国家自然科学基金青年基金项目,“三维微电极叠层拟合制备及其质量控制与成形磨削”,负责人:徐斌,2015.1-2017.12,25万。

[5]  国家自然科学基金青年基金项目,“薄板微成形摩擦尺寸效应及其模具表面固体润滑薄膜改性”,负责人:龚峰,2013.1-2015.12,25万。

[6]  国家自然科学基金青年基金项目,“大功率LED相变热沉强化沸腾结构交错犁削与烧结复合成形”,负责人:曾德怀,2010.1-2012.12,20万。

 
近年的研究实例:

图1 Micro-DLOM工艺制备的金属叠层微型腔模具

 

图2 Micro-DLOM制备的微型级联齿轮模具及其成形件:(a)Micro-DLOM制备的微型级联齿轮模具;(b)填充成形得到的微型级联齿轮塑件

 

图3 微型腔设计模型、Micro-DLOM制备的对应叠层微电极及其电火花放电加工后的三维微型腔

 

图4 Micro-DLOM制备的三维微电极及其电火花放电加工后的微型腔:(a)(b)三维叠层微电极;(c)(d)放电加工后的三维微型腔

 

图5 三维叠层微电极振动辅助电解加工获得的微型腔:(a)电解液中未加入磨粒;(b)电解液中加入剂量5 g/L、粒度W1的B4C磨粒

 

图6 曲面孤岛微型腔的电解加工:(a)(c)三维叠层微电极;(b)(d)电解加工的微型腔

 

图7 Micro-UPM成形平台与微齿轮塑件成形实例

 

图8 Micro-UPM 金属/合金微制件成形

 

图9 Micro-USF超声波塑化柔性冲头微板料成形

 

图10 微拉深件

 

图11 微齿轮件及成形凹模

 

图12 PPCNC微型数控车/铣床

 

图13 快速热冷注塑控制机

置顶