|Citation:||SHAO Lanying, KE Mingfeng, WANG Jiahuan, LYU Binghai, WANG Xu, YUAN Julong. Experimental study on flexible fiber assisted stress rheological passivation and polishing of complex edge of cemented carbide insert[J]. Diamond &Abrasives Engineering, 2022, 42(1): 1-9. doi: 10.13394/j.cnki.jgszz.2021.0094|
To obtain the high consistency passivation of cutting edge of the cemented carbide insert with complex shape and improve the tool performance and life, the flexible fiber assisted stress rheological polishing method, which utilizes the rheological properties of non-Newtonian fluid under shear stress and the flow control effect of flexible fibers, was proposed to polish the complex shape edge of cemented carbide insert. The deviation value K of the passivation radius of the cutting edge was used as the evaluation index, and Taguchi method was employed to analyze the effects of the polishing speed, the fiber density and the fiber-insert contact length on the edge passivation radius and its consistency. The weight of each factor was evaluated by variance analysis method, and the optimal process parameters were obtained by combining the influence of the polishing parameters on the cutting edge at different positions. The optimal combination of process parameters is that the fiber density is 200 to 250 fibers/cm2, the contact length is 4 mm and the polishing speed is 55 r/min. Under the optimal combination of process parameters, the passivation radius of seven cutting edges can reach (50.0 ± 5.0) μm after polishing for 10 min, the surface roughness Ra of the cutting edges are reduced from (118.00 ± 10.00) nm to (9.35 ± 0.75) nm and the cutting edge is complete and free of defects.
CRUZ D, SORDI V L, VENTURA C E H. Surface analysis of WC-5%Co cemented tungsten carbide cutting insert after plunge-face grinding [J]. The International Journal of Advanced Manufacturing Technology,2020,108(1/2):1-8. doi: 10.1007/s00170-020-05074-7
江湘颜, 何云. 整体硬质合金波刃铣刀磨削加工的工艺研究 [J]. 硬质合金,2009,26(2):102-105.
JIANG Xiangyan, HE Yun. Research on grinding technology of solid hardmetal milling cutter with waved edges [J]. Cemented Carbide,2009,26(2):102-105.
BOUZAKIS K D, KLOCKE F, SKORDARIS G, et al. Influence of dry micro-blasting grain quality on wear behaviour of TiAlN coated tools [J]. Wear,2011,271(5/6):783-791. doi: 10.1016/j.wear.2011.03.010
ZHANG S, ZOU B, LIU Y, et al. Edge passivation and quality of carbide cutting inserts treated by wet micro-abrasive blasting [J]. The International Journal of Advanced Manufacturing Technology,2018,96:2307-2318. doi: 10.1007/s00170-018-1705-7
WANG W, SAIFULLAH M K, ASSMUTH R, et al. Effect of edge preparation technologies on cutting edge properties and tool performance [J]. International Journal of Advanced Manufacturing Technology,2020,106(5/6):1-16.
李荣敏, 赵雪峰, 郑鹏飞, 等. 磁盘间隙对刀具刃口钝化的影响 [J]. 机械设计与制造,2020(1):119-122.
LI Rongmin, ZHAO Xuefeng, ZHENG Pengfei, et al. Research on the influence of the magnetic disk gap on the tool edge preparation [J]. Machinery Design & Manufacture,2020(1):119-122.
曾伟, 牟伟旭, 王培, 等. 柔性纤维式机械抛光柔性纤维磨损及加工效率的研究 [J]. 工具技术,2013,47(7):13-17.
ZENG Wei, MOU Weixu, WANG Pei, et al. Study on brush wear and polishing efficiency by mechanical polishing with brush [J]. Tool Engineering,2013,47(7):13-17.
LI M, LYU B H, YUAN J L, et al. Shear-thickening polishing method [J]. International Journal of Machine Tools and Manufacture,2015,94:88-99. doi: 10.1016/j.ijmachtools.2015.04.010
LI M, LYU B H, YUAN J L, et al. Evolution and equivalent control law of surface roughness in shear-thickening polishing [J]. International Journal of Machine Tools & Manufacture,2016,108:113-126.
SHAO Q, LYU B H, YUAN J L, et al. Shear thickening polishing of the concave surface of high-temperature nickel-based alloy turbine blade [J]. Journal of Materials Research and Technology,2021,11:72-84. doi: 10.1016/j.jmrt.2020.12.112
LYU B H, HE Q K, CHEN S, et al. Experimental study on shear thickening polishing of cemented carbide insert with complex shape [J]. The International Journal of Advanced Manufacturing Technology,2019,103:585-595.
YANG W H, TARNG Y S. Design optimization of cutting parameters for turning operations based on the Taguchi method [J]. Journal of Materials Processing Technology,1998,84(1/2/3):122-129. doi: 10.1016/S0924-0136(98)00079-X
刘志飞, 王晓强, 朱其萍, 等. 超声滚挤压轴承套圈的表层性能预测模型建立及工艺参数优化 [J]. 锻压技术,2021,46(3):118-125.
LIU Zhifei, WANG Xiaoqiang, ZHU Qiping, et al. Establishment on prediction model of surface performance for ultrasonic roll extrusion bearing ring and optimization on process parameters [J]. Forging and Stamping Technology,2021,46(3):118-125.
王斌, 邓小川, 史一飞, 等. 田口实验设计法优化碳酸锂反应结晶制备工艺 [J]. 无机盐工业,2021,53(8):60-65.
WANG Bin, DENG Xiaochuan, SHI Yifei, et al. Optimizing preparation process of lithium carbonate reaction crystallization by Taguchi experimental design method [J]. Inorganic Chemicals Industry,2021,53(8):60-65.
NGUYEN H P, PHAM V D, NGO N V. Application of TOPSIS to Taguchi method for multi-characteristic optimization of electrical discharge machining with titanium powder mixed into dielectric fluid [J]. The International Journal of Advanced Manufacturing Technology,2018,98:1179-1198. doi: 10.1007/s00170-018-2321-2