采用粘结法的磁性磨粒制备工艺及实验研究
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摘要
现有的粘结法制备工艺存在混合不均等问题,且磁介质相和磨粒相在破碎过程中会发生分离,易造成浪费,为此,提出了一种新的粘结法磁性磨粒制备工艺。在相同条件下,运用两种不同工艺分别制备了两种磁性磨粒,并进行了实验研究。采用扫描电镜、三维超景深显微镜观测试件表面,并用电子天平测试试件光整加工前后的质量变化。实验结果表明,采用新粘结法工艺制备的磁性磨粒对试件进行光整加工10 min后,表面粗糙度值Ra从0.800μm减小到0.076μm,材料去除率的最大值为0.67μm/min。与现有粘结法工艺制备的磁性磨粒相比,新粘结法制备的磁性磨粒的微观结构良好、各成分分布均匀,加工性能更加优异。
The original bonding preparation technology had the problems of uneven mixing, and magnetic medium phases and abrasive phases would separate during the crushing processes, which might be easy to cause waste, so the magnetic abrasive particle preparation technology was proposed by a new bonding method. Under the same condition, two kinds of magnetic abrasive particles were prepared by two different technologies and the experiments were carried out. The workpiece surfaces were observed by scanning electron microscopy and three-dimensional ultra-depth of field microscopy, and the electronic balance was used to measure the quality changes of workpieces before and after finishing. The experimental results show that when the workpiece is polished by magnetic abrasive particles for 10 min based on new bonding method, the surface roughness value of Ra is decreased from 0.800 μm to 0.076 μm, and the maximum material removal rate is as 0.67 μm/min. Compared with magnetic abrasive particles prepared by the original bonding method, the magnetic abrasive particles prepared by the new bonding method have good microstructures, uniform distribution of each component and better processing performance.
The original bonding preparation technology had the problems of uneven mixing, and magnetic medium phases and abrasive phases would separate during the crushing processes, which might be easy to cause waste, so the magnetic abrasive particle preparation technology was proposed by a new bonding method. Under the same condition, two kinds of magnetic abrasive particles were prepared by two different technologies and the experiments were carried out. The workpiece surfaces were observed by scanning electron microscopy and three-dimensional ultra-depth of field microscopy, and the electronic balance was used to measure the quality changes of workpieces before and after finishing. The experimental results show that when the workpiece is polished by magnetic abrasive particles for 10 min based on new bonding method, the surface roughness value of Ra is decreased from 0.800 μm to 0.076 μm, and the maximum material removal rate is as 0.67 μm/min. Compared with magnetic abrasive particles prepared by the original bonding method, the magnetic abrasive particles prepared by the new bonding method have good microstructures, uniform distribution of each component and better processing performance.
引文
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[14] GARCíA-LECINA E, GARCíA-URRUTIA I, DíEZ J A, et al. A Comparative Study of the Effect of Mechanical and Ultrasound Agitation on the Properties of Electrodeposited Ni/Al2O3, Nanocomposite Coatings[J]. Surface & Coatings Technology, 2012, 206(11/12):2998-3005.
[15] NEPOMNYASHCHII V V, MOSINA T V, VOLOSHCHENKO S M, et al. Dependence of the Cutting and Polishing Ability of Magnetic-abrasive Powders on the Form and Structure of the Particles[J]. Refractories & Industrial Ceramics, 2014, 55(3):188-190.
[16] 陈乙崇. 搅拌设备设计[M]. 上海: 上海科学技术出版社, 1985: 17-20.CHEN Yichong. Mixing Equipment Design[M]. Shanghai: Shanghai Scientific and Technical Publishers, 1985: 17-20.
[17] 王凯, 虞军. 化工设备设计全书: 搅拌设备[M]. 北京: 化学工业出版社, 2003: 104-113.WANG Kai, YU Jun. The book of Chemical Equipment Design: Mixing Equipment[M]. Beijing: Chemical Industry Press,2003: 104-113.
[18] 陈修忠. 磁性磨粒的性能指标体系分析与研究[D]. 太原:太原理工大学, 2015.CHEN Xiuzhong.Performance Indicator System Analysis and Research of Magnetic Abrasive[D]. Taiyuan: Taiyuan University of Technology,2015.
[19] 赵文渊. 基于固-液搅拌混合与直接成型的磁性磨粒粘结法制备工艺与试验研究[D]. 太原:太原理工大学, 2018.ZHAO Wenyuan.Preparation Process and Experimental Study of Bonded Magnetic Abrasives Based on Solid-liquid Mixing and Direct Molding[D]. Taiyuan: Taiyuan University of Technology, 2018.
[2] 赵文渊, 李文辉, 白小云, 等. 非磁性外圆表面磁性磨粒光整加工实验研究[J]. 表面技术, 2018, 47(5):272-277.ZHAO Wenyuan,LI Wenhui, BAI Xiaoyun,et al. Experimental Study on Magnetic Abrasive Finishing of Non-magnetic Material Outer Surface[J]. Surface Technology,2018,47(5):272-277.
[3] AMNIEH S K, MOSADDEGH P, TEHRANI A F. Study on Magnetic Abrasive Finishing of Spiral Grooves Inside of Aluminum Cylinders[J]. International Journal of Advanced Manufacturing Technology, 2017, 91(5/8):2885-2894.
[4] VERMA G C, KALA P, PANDEY P M. Experimental Investigations into Internal Magnetic Abrasive Finishing of Pipes[J]. International Journal of Advanced Manufacturing Technology, 2017, 88(5/8):1657-1668.
[5] KANISH T C, NARAYANAN S, KUPPAN P, et al. Investigations on the Finishing Forces in Magnetic Field Assisted Abrasive Finishing of SS316L[J]. Procedia Engineering, 2017, 174:611-620.
[6] NGUYEN N T, TRAN T N, YIN S H, et al. Multi-objective Optimization of Improved Magnetic Abrasive Finishing of Multi-curved Surfaces Made of SUS202 Material[J]. International Journal of Advanced Manufacturing Technology, 2017, 88(1/4):381-391.
[7] 杨胜强,李文辉,陈红玲,等. 表面光整加工理论与新技术[M]. 北京: 国防工业出版社,2011: 166-213.YANG Shengqiang, LI Wenhui, CHEN Hongling, et al. Surface Finishing Theory and New Technology[M]. Beijing: National Defense Industry Press, 2011: 166-213.
[8] CHEN Y, SONG Q H, WANG X, et al. Study on the Characteristics of Simply Mixed the Magnetic Abrasives Particles[J]. Advanced Materials Research, 2007, 24/25:133-138.
[9] SHUKLA V C, PANDEY P M. Experimental Investigations into Sintering of Magnetic Abrasive Powder for Ultrasonic Assisted Magnetic Abrasive Finishing Process[J]. Materials and Manufacturing Processes, 2017, 32(1): 108-114.
[10] FEYGIN S, KREMEN G, IGELSTYN I. Magnetic-abrasive Powder and Method of Producing the Same: US, 5846270[P]. 1998-12-08.
[11] 匡斌, 徐西鹏. 化学凝胶法制备的超细磨料磨抛工具修整方法研究[J]. 金刚石与磨料磨具工程, 2008(2): 5-8.KUANG Bin, XU Xipeng. Study on the Dressing Methods for Gel-based Ultra-fine Abrasive Pads[J]. Diamond & Abrasives Engineering, 2008(2): 5-8.
[12] 何振娟, 王录全, 刘超红. 粉末混料均匀性的影响因素及改善方法[C]//川渝蓉粉末冶金技术交流会论文集. 成都, 2012: 1-12.HE Zhenjuan, WANG Luquan, LIU Chaohong. Influence Factors and Improvement Methods of Powder Mixture Uniformity[C]//Symposium on Powder Metallurgy Technology Meeting in Sichuan and Chongqing. Chengdu, 2012: 1-12.
[13] ALLAHVERDI A,YOUSEFI A, HEJAZI P. Effective Dispersion of Nano-TiO2 Powder for Enhancement of Photocatalytic Properties in Cement Mixes[J]. Construction & Building Materials, 2013, 41(2):224-230.
[14] GARCíA-LECINA E, GARCíA-URRUTIA I, DíEZ J A, et al. A Comparative Study of the Effect of Mechanical and Ultrasound Agitation on the Properties of Electrodeposited Ni/Al2O3, Nanocomposite Coatings[J]. Surface & Coatings Technology, 2012, 206(11/12):2998-3005.
[15] NEPOMNYASHCHII V V, MOSINA T V, VOLOSHCHENKO S M, et al. Dependence of the Cutting and Polishing Ability of Magnetic-abrasive Powders on the Form and Structure of the Particles[J]. Refractories & Industrial Ceramics, 2014, 55(3):188-190.
[16] 陈乙崇. 搅拌设备设计[M]. 上海: 上海科学技术出版社, 1985: 17-20.CHEN Yichong. Mixing Equipment Design[M]. Shanghai: Shanghai Scientific and Technical Publishers, 1985: 17-20.
[17] 王凯, 虞军. 化工设备设计全书: 搅拌设备[M]. 北京: 化学工业出版社, 2003: 104-113.WANG Kai, YU Jun. The book of Chemical Equipment Design: Mixing Equipment[M]. Beijing: Chemical Industry Press,2003: 104-113.
[18] 陈修忠. 磁性磨粒的性能指标体系分析与研究[D]. 太原:太原理工大学, 2015.CHEN Xiuzhong.Performance Indicator System Analysis and Research of Magnetic Abrasive[D]. Taiyuan: Taiyuan University of Technology,2015.
[19] 赵文渊. 基于固-液搅拌混合与直接成型的磁性磨粒粘结法制备工艺与试验研究[D]. 太原:太原理工大学, 2018.ZHAO Wenyuan.Preparation Process and Experimental Study of Bonded Magnetic Abrasives Based on Solid-liquid Mixing and Direct Molding[D]. Taiyuan: Taiyuan University of Technology, 2018.