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Abrasive jet machining (AJM), also known as abrasive micro-blasting, pencil blasting and micro-abrasive blasting, [1] is an abrasive blasting machining process that uses abrasives propelled by a high velocity gas to erode material from the workpiece. Common uses include cutting heat-sensitive, brittle, thin, or hard materials.
The abrasive water suspension jet (AWSJ) - often called “slurry jet” or “water abrasive suspension (WAS) jet” - is a specific type of abrasive water jet, which is used for waterjet cutting. In contrast to the abrasive water injector jet (AWIJ), the abrasive water suspension jet (AWSJ) [25] is characterised by the fact that the mixing of ...
Abrasive machining works by forcing the abrasive particles, or grains, into the surface of the workpiece so that each particle cuts away a small bit of material. Abrasive machining is similar to conventional machining, such as milling or turning, because each of the abrasive particles acts like a miniature cutting tool.
Silicon carbide powders are commonly used as abrasive materials in various machining processes, including grinding, water-jet cutting, and sandblasting. [6] These powders are effective for fine grinding or rough polishing of semiconductors, ceramics, and ferrous materials. [7]
Waterjet machining involves the cutting of workpiece by use of a jet of water (usually also included with an abrasive material like garnet) to cut all the way through the thickness the workpiece. A waterjet cutter may be 2-axis to produce 2-dimensional shapes, or 5-axis, to produce almost any 3-dimensional shape.
Ultrasonic machining is a subtractive 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.
Robotic Hydrodemolition in Ystad, Sweden. Hydrodemolition of concrete exposing the rebar.. Hydrodemolition (also known as hydro demolition, hydroblasting, hydro blasting, hydromilling, waterblasting, and waterjetting) is a concrete removal technique which utilizes high-pressure water, often containing an abrasive material, to remove deteriorated and sound concrete as well as asphalt and grout.
Abrasive material removal – grinding, lapping, polishing, water-jet; Heat – flame cutting, plasma cutting, laser cutting; Electrochemical – etching, electrical discharge machining (EDM), electrochemical machining (ECM) Every method has its limitations in accuracy, cost, and effect on the material.