Ultra-Precision Grinding of Ceramic Glass with ELID Technique

Zhang, Fei Hu; Qiu, Zhong Jun; Luan, Dian Rong

doi:10.4028/www.scientific.net/kem.202-203.103

Cited by 6 publications

(4 citation statements)

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“…A metal bonded diamond wheel is put electrically positive, an electrode located above the wheel surface is negative. With as small clearance Advances in Materials Manufacturing Science and Technology 318 as around 0.1mm between the negative and positive poles, electrolysis occurs on supplying electrically conductive fluid and a pulse direct current [3,4]. Owing to the properties of the controllable character of magnetorheological fluid with the magnetic field intensity, the magnetorheological fluid dispersed with appropriate amount of fine abrasives is used as an actuating medium to polish hard and brittle materials such as optical glass [5].…”

Section: Mechanism Of Mrf and Elidmentioning

confidence: 99%

Precision Finishing Combined with ELID and MRF

Kang

Zhang

Dong

2004

MSF

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ELID grinding is widely used as a high-productivity and super-precision grinding method for hard and brittle materials. It continues grinding stably with metal bonded diamond wheel due to its in-process dressing. Magnetorheological finishing (MRF) is a novel precision finishing process for hard and brittle materials. In this paper, ELID grinding and MRF are adopted to get high surface quality and remove subsurface damage of hard and brittle materials. The results show that this combination gives attention to both efficiency and quality and can be used to replace conventional optics manufacturing.

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Section: Mechanism Of Mrf and Elidmentioning

confidence: 99%

Precision Finishing Combined with ELID and MRF

Kang

Zhang

Dong

2004

MSF

Self Cite

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“…But owing to the character of ELID grinding, it also has its advantages in high efficiency grinding of hard and brittle materials with coarse abrasive wheel. Except for maintaining the wheel's sharpness and small grinding force, the metal bond wheel has strong holding capability with diamond abrasive, high grinding ratio and good heat transfer, all these are good for high efficiency and deep-cutting grinding [3][4].…”

Section: Fig1 Principle Elid Grindingmentioning

confidence: 99%

High Efficiency ELID Grinding of Alumina Ceramics

Zhang

Kang

Qiu

et al. 2003

KEM

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More and more ceramic parts are used to substitute for metal counterpart due to their excellent physical, chemical and mechanical properties. However, ceramics, especially structural ceramics, are extremely difficult to machine because of their high hardness and brittleness. Some parts of large batch production have large machining allowances and the machining efficiency is very low with conventional grinding method. So it is of great importance to research the high efficiency grinding technology of hard and brittle material. In recent years, grinding techniques for precision machining of brittle materials have been improved by using super abrasive wheels and precision grinding machines. A new method of electrolytic in-process dressing (ELID) grinding developed by Dr. Hitoshi Ohmori has been adopted for the ultra precision machining of hard and brittle materials. It has been widely used in fine abrasive grinding for its in-process dressing. In this paper, the cast iron bond diamond wheel and ELID grinding technology are used on a surface grinder to research the high efficiency grinding technique. Alumina ceramics have been machined both by the cast iron bond diamond wheel with ELID grinding and by the resin bond diamond wheel. The grinding process adopts plunge grinding and a Kistler Dynamometer is used to measure the grinding force. It has been found that the grinding force of ELID grinding is apparently smaller than the grinding force of the resin bond wheel. Under the same machining conditions, it is about 2/5-3/5 of the force for using the resin bond wheel. The result indicates that the grinding efficiency can be highly improved by applying ELID grinding technology. In addition, the in-process dressing can keep the grinding wheel sharp. This property is also of benefit to the continuous high efficient grinding of hard and brittle materials.

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“…China precision engineering institute for aircraft industry, which adopts capacitance sensor, installs a computer error compensation system on the gantry ultra-precision grinder to improve control precision [6]. AE detecting device is used to develop ELID grinding equipment by Harbin Institute of Technology [7]. The equipment can detect contact condition and grinding performance between grinding wheel and workpiece.…”

Section: Introductionmentioning

confidence: 99%