1.4 Wood wasting processes Flashcards
Justify the selection of a suitable hardwood for turning, based on its working properties
Beech as it will give a good finish / Ash as it would be easier to turn
Describe one means of preparing a piece of wood for turning on a lathe.
Pilot holes for wood screws if it is being attached to a faceplate
How would a spindle e.g. chair leg, to be turned on a lathe, be secured?
Between centres
How would a bowl, to be turned on a wood lathe, be secured?
Screwed to a faceplate
State two ways a worker needs to be protected from wood that is removed by the turning process.
Wearing face protection / shield
Wearing a face mask
What is the name of the chisel like tool that is used to remove most of the wood, when turning?
Gouge
Outline two reasons why the cutting tool surfaces would be ideally high-speed steel, rather than carbon steel.
As HSS has a high resistance to frictional heat and retains hardness
What are the 2 main tools used in wood turning
Scraper, Gouge
State 4 risks to a worker when using a portable electric plunge router.
Cutting yourself on the bit
Very loud (Hearing damage)
Dust
Training leads
State the name of the accessory that would be used with a portable electric plunge router when producing a slot parallel with an edge.
Fence
List two adjustments that could be made before machining.(Routing wood)
Bit profile, Depth, Speed
Outline two reasons why CNC routers are usually safer than portable electric plunge routers.
As the dust can be shielded, You are isolated from the machine
List one adjustment that could be made whilst machining.(Routing wood)
Feeding rate
Explain how a 2D CAD drawing can be prepared for converting to CNC data.
By colour coding the lines for cutting/engraving etc
Explain 2 reasons why you would use a CNC router, rather than a drilling machine or laser cutter to produce a series of holes for a speaker grill in Forex (PVC).
More accurate, Does not release toxic fumes
