Introduction to New Grinding Technology for Engineering Ceramics

Our ceramic factory is a manufacturer that produces and processes ceramic parts. Large back feed slow feed grinding refers to a grinding method in which the grinding wheel has a larger feed than conventional grinding and the workpiece feed speed is lower during the grinding process. Compared to conventional grinding, this grinding method for engineering ceramics can achieve higher processing efficiency and lower surface roughness, and is the main grinding method for processing engineering ceramics. It can be divided into cup shaped grinding wheel end face grinding and ceramic ball grinding can flat grinding wheel

When using a cup shaped grinding wheel for end face grinding, the grinding wheel axis is installed parallel to the normal direction of the workpiece plane. In the process of grinding a workpiece, the cutting edge can be divided into three grinding parts: the main grinding part, the transition zone part, and the repair grinding part. The main grinding part bears the maximum grinding force, causing large-scale material cracking, forming large granular or thin flake debris, and leaving dents on the cutting surface. It is the main removal area for textile ceramic materials; The grinding force borne by the transition zone gradually decreases, and the material removal transitions from large-scale extrusion to small-scale extrusion, resulting in micro fragmentation of the material in front of the tool; The grinding force borne by the grinding part is relatively small, and the amount of material removed is very small, resulting in a smoother part of the grinding surface, which plays a role in shaping.

Cup shaped grinding wheel end face grinding is a high-efficiency and low-cost grinding technology suitable for hard and brittle materials. The advantage of this method is that there are fewer residual cracks on the grinding surface, which can obtain a complete machined surface. The wear of the grinding wheel is very small and does not require frequent repair; The disadvantage is that the grinding force and power of the grinding wheel are relatively large, which will generate a large amount of grinding heat. At present, most of the research on end face grinding is focused on grinding heat and improving material removal rate. However, there is not much research on the required tool path planning in CNC machining to achieve end face grinding.

The trajectory planning methods used in the processing of dispensing ceramics mainly include isoparametric line method, equiintercept offset method, equiresidual height method, space filling method, etc. These methods each have their own advantages, some have simple algorithms, low computational complexity, some have high efficiency, and some have high machining accuracy. However, these methods are all aimed at milling. In order to realize the actual NC machining of ceramic flange grinding, the research on path planning is very necessary.

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