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By Hassan Abdel-Gawad El-Hofy

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Target material. Brittle materials will fracture, while ductile ones will cut well. 8 to 25 mm or more. 4 shows the cutting rates for different material thicknesses. 4 Applications WJM is used on metals, paper, cloth, leather, rubber, plastics, food, and ceramics. It is a versatile and cost-effective cutting process that can be used as an alternative to traditional machining methods. It completely eliminates heat-affected zones, toxic fumes, recast layers, work hardening, and thermal stresses. 5 150 3 5 6 200 120 1 Tlusty (1999).

In this case the main material removal mechanism is a thermal one. The combination of this phase with the ECD phase, MA action, and ultrasonic (US) vibration generates a family of double action processes. The triplex hybrid machining is also achievable by combining the electrodischarge erosion (EDE) phase, the ECD action, and the MA in grinding (G). Such a combination enhance the rate of material removal and surface quality in electrochemical discharge grinding (ECDG) and the other hybrid processes shown in Fig.

Nozzles are normally made from synthetic sapphire. About 200 h of operation are expected from a nozzle, which becomes damaged by particles of dirt and the accumulation of mineral deposits on the orifice due to erosive water hardness. 45 ┬Ám. The compact design of the water jet cutting head promotes integration with motion control systems ranging from two-axis (XY ) tables to sophisticated multiaxis robotic installations. 6 Catcher. The catcher acts as a reservoir for collecting the machining debris entrained in the water jet.

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