It is regarded by historians as an important document of the pre-revolutionary period. Paul Revere created his most famous engraving titled the Bloody Massacre Perpetrated in Kings Street in Boston just 3 weeks after the Boston Massacre occurred on March 5, 1770. Noun(1) a print made from an engraving(2) a block or plate or other hard surface that has been engraved(3) making.
In raster engraving, the PPI parameter (PPI = pulses per inch) to be selected in the Trotec JobControl ® laser software is important, because it controls the density of the laser points. Boston Massacre Engraving by Paul Revere. The speed is high on the x axle, (the axle to which the laser head is attached), and lower by comparison on the y axle. This is a "bi-directional" process in which engraving is done in alternating fashion in both directions.ĭuring the line-by-line raster engraving process, the speeds of the two axles are very different. If playback doesnt begin shortly, try restarting your device.
Rather than ink being applied, however, material is removed by the laser. ENGRAVING meaning - ENGRAVING definition - How to pronounce ENGRAVING. In a raster engraving, the image is created in a way quite similar to how an inkjet printer applies ink line by line and point by point.
How does this work with a laser?Ī raster file is a bitmap, which means it is made up of pixels. Definition of engraving written for English Language Learners from the Merriam-Webster Learners Dictionary with audio pronunciations, usage examples. This process is the same type of process used by inkjet printers, where a file is printed line by line. Tate glossary definition for engraving: Printmaking technique that involves making incisions into a metal plate which retain the ink and form the printed. Raster engraving is the standard process for engraving.