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5.MARKING, CUTTING AND FINISHING TECHNIQUES, aaoop.vdfdv5 (2), GD11722,…
5.MARKING, CUTTING AND FINISHING TECHNIQUES
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CUTTING
CUTTER
Used to cut soft, flexible, thin sheets of metal. It can cut in straight, angled or curved lines.
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Punch press and die
Used to cut sheets of 5 mm or thinner.
It is used to cut simple pieces to the required shape by bringing the press down against the die
HACKSAW
This has an arc-shaped metal frame, a plastic or metal handle and nuts or wing nuts that hold the blade in place.
It's used to cut metal in straight, accurate lines.
Power tools for cutting
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Grinder
This has a circular disc that can be used for many things. This tool can be used for cutting, sanding, polishing, planing, removing rough edges, etc. We use different types of discs depending on what we want to do.
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SHAPING
Chisel
This tool has a double-sided sharp edge. It's used to shape metal by hitting the handle with a hammer and holding it at a 5º angle.
Lathe
This power tool is used to shape cylindrical objects. It works by turning the object while a blade moves along the length of the object removing the metal.
CLEANING
Scraper
This is a small metal, triangular blade with sharp edges. It's used to shave small fragments.
POWER TOOLS FOR CLEANING
Sander
The motor moves the sandpaper, which is made from abrasive material, backwards and forwards rapidly. Sanding is quick and even.
Grinder
This tool removes material to perfect surfaces. It is very precise and can remove as little as a hundreth of a milimeter of material.
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