Abstract This paper reports the development of an ultra-precise grinding system based on a new grinding technique called the “Arc Envelope Grinding Method (AEGM)”. AEGM, which is used for grinding aspheric ceramic mirrors, increases both wheel life and grinding performance, and significantly decreases total production costs
Zirconium oxide is a material well suited as a grinding medium and it can be cylindrical or spherical in shape. Generally, high-quality microcrystalline zirconia grinding media is formed by using yttria-stabilized zirconia (Y-TZP) ultrafine powder as a raw material and then densified by high-temperature sintering (1400-1600 ° C), and then self-grinding or adding super fine abrasive polishing
Common ceramic forming methods are listed as follows. Dry Pressing Method. Dry pressing is also known as press forming. This method puts granular or fibrous plastic into a mold cavity at a certain molding temperature, and then adds mold to a press during operation. With this method, the powder can become a certain shape of the embryo body
Jan 01, 1993 · A new method for grinding ceramics and hard materials by using a non-rotational tool has been developed. In the method a fixed abrasive type grinding tool is vibrated by a complex ultrasonic transducer longitudinally and torsionally at the same time
A new complex grinding method named Ultrasonic Electrodischarging Grinding Method (US-ED-G in short) is described. In the US-ED-G, ultrasonic grinding and ED grinding are simultaneously carried out on an electrically conductive workpiece with a metal bond grinding wheel
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