Effect of Material Thickness and Ultrasonic Machine Parameters on Material Removal Rate While Ultrasonic Machining of Glass Fiber Reinforced Plastic Abstract— Drilling is an important process for making and assembling components made from Glass Fiber Reinforced Plastic (GFRP). Various processes like conventional drilling, vibration assisted drilling and ultrasonic assisted drilling have been attempted in order to maintain the integrity of the material and obtain the necessary accuracy in […]