Flashcards
Machine Tools
Flashcards do conjunto (12)
- 1what the difference between machine tool and hand held ones?do same job but are a lot faster and more accurate
- 2how are machine tool normally positioned and their general use?usually stationary and are often bolted to the workbench or the floor, they can be used to process large quantities of material accurately + quickly
- 3if the machines are for wood?most are attached to a dust extractor
- 4what should be done to avoid bad accidents?safety glasses worn, hair tied back and clothing tucked in
also mot machine tools have guards to help keep you safe so make sure their used
and finally know where the red emergency stop button is - 5what is this what else can have same use, what is it used for, explain?the CIRCULAR SAW / SAW BENCH has a round bade and is used to cut wood and boards like plywood to size
it makes straight cuts only - 6what is this, what is it used for, explain?the BAND SAW has a blade in a long flexible loop and is normally used to cut wood, but special blades can be brought for use on plastics and softer metals. The blades come in different widths and can be used for straight/curved cuts
- 7what is this called, used for?a PLANNER or THICKNESSER (either separate or in a single machine) used for flattening the surface of pieces of wood and for reducing their thickness to a specified measurement
- 8what are its names, used to make what, what material depending?PILLAR DRILL / PEDESTAL DRILL used to make round holes, on all kinds of materials, depending on the drill bit used
- 9what is this, what are types, how does it work, what used for?LATHE
two types- wood and metal (engineers' lathe) piece of material is held and rated by the lathe, while the turning tool or cutting bit is pressed onto the material to cut it, lathes used to produce round objects
- 10what is this, how does it work, whats it used for what will it work with?SANDING DISC spins a disc of abrasive paper which the material's pushed against, used for trimming accurately to a line
different types of abrasive paper available for used on wood, metal and plastic
- 11what is this, how does it work, what is it used for?BENCH GRINDER
contains abrasive wheels of different grades (coarse to smooth)
used to remove metal for shaping or finishing purposes, as well as for sharpening edged tools such s chisels
- 12what is this, what is it used for why is it good?MILLING MACHIENE
used to remove material one thin layer at a time to produce the required six or shape
it can also be used to make surface absolutely flat
can produce a very accurate finish
Informações
- Descrição
- GCSE RM (SECTION TWO) FlashCards sobre Machine Tools, criado por Lily Pritchard em 23-04-2016.
- Criado por
- Lily Pritchard
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