The advantages of zirconia ceramics are numerous, and there are many applications in industry and life, which is more troublesome to process and difficult to process. In general, for zirconia ceramic materials, due to its special physical and mechanical properties, initially can only be processed by grinding methods, with the development of machining technology, has been able to use a variety of processes similar to metal processing to process ceramic materials.

First, cutting is the most commonly used method of metal processing, and ceramic processing also has similar processing methods:

The cutting of zirconia ceramic material is not only suitable for semi-sintered ceramics, but also for fully sintered ceramics. The cutting of semi-sintered ceramics is to reduce the processing allowance of fully sintered ceramics as much as possible, so as to improve the processing efficiency and reduce the processing cost.

Second, grinding and polishing processing is mainly used in the surface processing of zirconia ceramics:

Grinding and polishing is a kind of superfinishing method which uses free abrasives to produce fine removal effect on the surface material to achieve machining effect. In the super finishing and finishing of ceramic materials, especially in the precision machining of ceramic balls used for ceramic bearings, grinding and polishing have an irreplaceable position. Junjie Ceramics can process the mirror of zirconia ceramic material, and many products have been delivered to customers.

Three, ELID grinding processing:

ELID grinding technology is a new grinding process. Its basic principle is to use online electrolytic action to dress the metal-based grinding wheel, that is, electrolytic grinding fluid is cast between the grinding wheel and the tool electrode in the grinding process and DC pulse current is applied, so that the metal bond of the grinding wheel as the anode will produce anodic dissolution effect and be gradually removed. The abrasive particles that are not affected by electrolysis protricate from the surface of the grinding wheel, thus realizing the dressing of the grinding wheel and maintaining the sharpness of the grinding wheel during the processing. This processing technology is still relatively advanced, and it is not used much now. However, in the processing of zirconia ceramic materials, the advantages are still more obvious.

Four, plastic processing:

The traditional material removal process can be divided into two kinds: brittle removal and plastic removal. In the process of brittleness removal, material removal is accomplished by crack propagation and cross; Plastic removal generates plastic flow of the material in the form of shear processing chips. For metal processing, plastic cutting mechanism is easy to achieve, and for brittle materials such as engineering ceramics and optical glass, the use of traditional processing technology and process parameters will only lead to brittle removal without significant plastic flow, in excess of the strength limit of the cutting force, the size of the material particles brittle fracture, which will undoubtedly affect the quality and integrity of the surface to be processed. It can be seen from the processing practice that plastic removal can be achieved by using a very small cutting depth when machining brittle materials such as ceramics, that is, the material removal mechanism can change from brittle failure to plastic deformation under the condition of small removal.

Five, ultrasonic processing:

Ultrasonic machining is to apply ultrasonic vibration on the machining tool or material to be machined, add liquid abrasive or paste abrasive between the tool and the workpiece, and make the tool stick on the workpiece with a small pressure.

Note:

Debris generated during the grinding process of partially sintered zirconia ceramics should be cleaned in time, and the processing personnel should wear dust masks. The hardness of zirconia ceramics is high, the brittleness of the material is large, and it is easy to collapse and fracture during processing. Usually, ceramic parts are processed using special ceramic engraving machining, which can effectively reduce costs and achieve high precision machining.  The ceramic engraving and milling machine strengthens the rigidity of the machine tool, and the vibration generated during processing can be reduced to the minimum, which can also improve the processing efficiency while ensuring the accuracy, and the protective performance is strengthened for the ceramic powder, which can completely eliminate the damage of the powder to the machine tool.