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2. Repoussé and chasing - Wikipedia

   en.wikipedia.org/wiki/Repoussé_and_chasing

   A "matting" tool has a pattern cut into the tip, and is used (mainly in chasing) to create textured areas. A "hollow-faced" punch has a raised contour (circular, or with some other shape) with a hollowed-out middle, and is used to stamp that contour, usually on the front face. A lightweight "chasing hammer", to drive the punches.

3. Punch (tool) - Wikipedia

   en.wikipedia.org/wiki/Punch_(tool)

   A punch is a tool used to indent or create a hole through a hard surface. They usually consist of a hard metal rod with a narrow tip at one end and a broad flat "butt" at the other. When used, the narrower end is pointed against a target surface and the broad end is struck with a hammer or mallet , causing the blunt force of the blow to be ...

4. Hallmark - Wikipedia

   en.wikipedia.org/wiki/Hallmark

   Punches are made in different sizes, suitable for tiny pieces of jewelry to large silver platters. Punches are made in straight shank or ring shank, the latter used to mark rings. The problem with traditional punching is that the process of punching displaces metal, causing some distortion of the article being marked.

5. Types of press tools - Wikipedia

   en.wikipedia.org/wiki/Types_of_press_tools

   The compound tool differs from progressive and stage tools by the arrangement of the punch and die. It is an inverted tool where blanking and piercing takes place in a single stage and also the blanking punch will act as the piercing die. That means punch will be to the bottom side of the tool and piercing punches to top side of the tool.

6. UnoAErre - Wikipedia

   en.wikipedia.org/wiki/UnoAErre

   The name UnoAErre comes from 1AR, the identification mark indicated on the punch affixed to products, assigned to the first goldsmith company of Arezzo (AR). In the sixties production reached the highest levels, and the company employed more than 1200 staff. It began a reduction of its workforce in the early 1970s. Today fewer than 500 are ...

7. Burnishing (metal) - Wikipedia

   en.wikipedia.org/wiki/Burnishing_(metal)

   Ball burnishing, or ballizing, is a replacement for other bore finishing operations such as grinding, honing, or polishing. A ballizing tool consists of one or more over-sized balls that are pushed through a hole. The tool is similar to a broach, but instead of cutting away material, it plows it out of the way. [1]