Ceramic Ultrasonic Machining

The paper says about parametric optimization of ultrasonic.

Ceramic ultrasonic machining.

Ultrasonic machining is a low material removal rate mrr loose abrasive machining process in which the mirror image of a shaped tool can be created in hard brittle materials. Optisonic 500 series entry level ultrasonic machining centers with 500mm of x axis travel the optisonic 500 series features 3 4 or 5 axes of motion in a robust platform that incorporates the latest ultrasonic technology and 500mm of x axis travel. An experimental study of the rotary ultrasonic drilling of ceramics is first presented. This is precise enough to be used in the creation of micro electro mechanical system components such as micro structured glass wafers.

Ultrasonic machining or strictly speaking the is a subtraction manufacturing process that removes material from the surface of a part through high frequency low amplitude vibrations of a tool against the material surface in the presence of fine abrasive particles. Ultrasonic machine is useful for hard material. As a result no post machining polishing or annealing processes are required to relieve residual stress and slag caused by laser. Machining the precise mineral stones tungsten.

Diamond is cut for the desired shapes. Ultrasonic machining new in 2018 ultrasonic technology enables the economical machining of complex workpiece geometries in demanding high tech materials like ceramics glass corundum tungsten carbide or even composites and notably the materion supremex material the kinematic overlapping of the tool rotation with an additional oscillation effects a reduction of the process forces by up to. During the operation the tool is pressed to the workpiece at a constant load. Machining hard ceramics or soft optical materials has never been faster or easier.

Ultrasonic machining is the oldest form of machining process which can be used to machine brittle materials such as glass and ceramics. The influence of different process parameters on the material removal rate for machining of magnesia stabilized zirconia is examined. Piercing of dies and for parting off operation. Material removal is achieved by the direct and indirect hammering of abrasive particles against a workpiece by means of an ultrasonically vibrating tool.

Machining the glasses ceramics. Then a mechanistic approach to modeling the material removal rate during rotary ultrasonic drilling of ceramics is proposed and applied to predicting the material removal. Lower total cost higher yield. Ultrasonic machining um of ceramics is the machining method using the action of a slurry containing abrasive particles flowing between the workpiece and a tool vibrating at an ultrasonic frequency.

The amplitude of vibration 0 0005 0 002 13 50 μm. The tool travels vertically or orthogonal to the surface of the part at amplitudes of 0 05 to 0 125 mm 0 002 to 0 005 in. This method is the best choice for working with hard materials such as ceramic matrix composites ruby piezo ceramics glass ceramics quartz ferrite diamonds technical ceramics alumina pcd sapphire cvd silicon carbide and similar ones. The vibration frequency is 19 25 khz.