In-Process Electrical Dressing of Metal-Bonded Diamond Grinding Wheels
A new development of hybrid in-process electrical dressing of metal-bonded diamond grinding wheels is proposed in this paper. The electrical dressing method is used for overcoming the limitations of the conventional dressing methods available in relation to a super-abrasive wheel because of the hardness of its abrasive grains and the durability of its bonding material. The proposed hybrid in-process electrical dressing method consists of electro-discharge and electro-chemical processes and is implemented with twin copper electrodes and alternating power supplies. The results show that with properly maintained process conditions, a better surface finish is produced by the proposed method compared with traditional rotating SiC wheel dressing.
Development of a hybrid method for electrically dressing metal-bonded diamond grinding wheels
In order to restore its cutting ability, a grinding wheel needs a periodic dressing process to remove dulled grains from its cutting face and then to disclose new and sharp grains beneath. An electrical dressing method was developed recently for overcoming the limitations of the conventional dressing methods available in relation to a diamond wheel because of the hardness of its abrasive grains and the durability of its bonding material. Development of a hybrid electrical dressing method for metal-bonded diamond grinding wheels is proposed in this paper. This method consists of a combination of electrochemical and electro-discharge dressing. The dressing method was implemented on a surface grinder with twin copper electrodes and two AC power supplies. Both on-line (in process) dressing and off-line dressing have been performed using static and dynamic electrodes. The results show that a better wheel profile and a better surface roughness are produced using the proposed method compared with the traditional SiC wheel dressing technique. It is concluded that more consistent results can be achieved by applying in-process electrical dressing.
CNC Desktop Vertical Machining Bench Design and Cooling Fluid Application
Today's manufacturing technologies, the human work force is used and at least a minimum level of margin of error is used in CNC machines. Desktop CNC machine tools and CNC machine tools are developed in parallel with the development of personal computers. This study provides CNC training institutions for education, small and medium-sized enterprises for commercial purposes use the low-cost desktop machine has been designing and manufacturing of CNC vertical machining was carried out. Desktop CNC machine tools and production capacity to handle the kind of material was applied to increase the cooling fluid. Through A199 and Fe37 the cooling fluid application desktop CNC machine tools, such as processing of materials that are difficult to successfully processed. Keywords—CNC, Desktop CNC Machine, CNC Design