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MARKING, CUTTING AND FNISHING TECHNIQUES - Coggle Diagram
MARKING, CUTTING AND FNISHING TECHNIQUES
MARKING
Centre punch and scriber.
The centre punch is used to mark lines and the scriber to mark points on sheets of metal.
We use hand and power tools for these techniques. We will look at marking, cutting, drilling, shaping and finishing.
CUTTING
Uses with
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.
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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
Uses with
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.
Lahte
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
Uses with
Scraper
This is a small metal, triangular blade with sharp edges. It's used to shave small fragments.
POWER TOOLS FOR CLEANING
Uses with
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.