Engraving Techniques and Tools
- Engraving is the practice of incising a design onto a hard surface using a burin.
- It can be used to decorate objects like silver, gold, steel, or glass.
- Engraving can also provide intaglio printing plates for printing images on paper.
- Wood engraving and rock engravings are different forms of engraving.
- Engravers use tools like burins, gravers, and Florentine liners to cut the design into the surface.
- Tool geometry and sharpening are important for accuracy in hand engraving.
- Modern engraving machines are used for lettering and inscriptions on various objects.
Artwork Design and Handpieces
- Design or artwork is prepared in advance, using techniques like hand drawing or computer-generated artwork.
- Various methods are used to transfer designs, such as laser marking or using chemicals with inkjet or laser printouts.
- Handpieces, in various shapes and power ranges, are used for pushing or manipulating the work-piece.
- Knobs can be handmade from wood, molded from plastic, or machine-made from metals like brass or steel.
- Modern pneumatic engraving systems have different handpiece designs.
Engraving Techniques and Methods
- Engraving is traditionally done by a combination of pressure and manipulating the work-piece.
- Modern technology has brought mechanically assisted engraving systems.
- Pneumatic engraving systems reduce the effort needed in traditional hand engraving.
- Engravers use hand push, pneumatic, rotary, or hammer and chisel methods.
Finishing and Modern Applications
- Finishing is necessary for metal that may rust or when a colored finish is desired.
- Spray lacquers and finishing techniques are used to seal and protect the work.
- Lightly sanding the surface removes small chips of metal called burrs.
- Some engravers use black paints or inks to darken exposed metal areas.
- Engraving is commonly used in jewelry, printing industry, sports trophies, and personalization.
History and Impact of Engraving
- Engraving has been practiced since ancient times, with evidence dating back to 540,000-430,000 years ago.
- Engraving on bone, ivory, and rocks was common during the Upper Paleolithic period.
- Engraving has been used to reproduce other forms of art, such as paintings, and was commonly used in newspapers and books.
- Hand-engraving experienced a renaissance in the mid-20th century with the introduction of pneumatic systems.
Engraving Data Sources