New Development of Diamond Grinding WheelSintered metal bonded diamond grinding wheels are mostly made of metals such as bronze as binders, using high-temperature sintering method. They have high bonding strength, good formability, high temperature resistance, good thermal conductivity and wear resistance, long service life, and can withstand large loads.

Due to the inevitable shortening and deformation during the sintering process of diamond grinding wheels, it is necessary to reshape the wheels before use, but dressing the wheels is relatively difficult. Nowadays, the commonly used grinding wheel rolling shaping method is not only time-consuming and labor-intensive for dressing, but also involves a lot of diamond particles falling off during the dressing process, resulting in high consumption of dressing the grinding wheel itself and low shaping accuracy.

In recent years, scholars from various countries have conducted research on the use of special machining methods to repair metal bonded diamond grinding wheels, mainly including electrolytic dressing method, electric discharge dressing method, and composite dressing method. The electrolytic trimming method has fast speed, but the shaping accuracy is not high;The electric discharge dressing method for diamond grinding wheels has high shaping accuracy, which can both shape and sharpen, but the shaping speed is relatively slow; The composite dressing methods include electrolytic electric spark composite dressing method, mechanochemical composite dressing method, etc., which have good dressing effects, but the system is relatively chaotic, so the problem of dressing sintered diamond grinding wheels has not been well addressed.In addition, due to the manufacturing process of diamond grinding wheels, their surface morphology is random, and the geometric shape, dispersion, and cutting edge height of each abrasive particle are inconsistent. Therefore, only a few higher cutting edges are cut to the workpiece during grinding, which limits the further improvement of grinding quality and power.Article source: Diamond grinding wheelhttp://www.jm-nanhua.com