Carpentry Power Tools Flashcards
What is the main regulation that covers power tools?
PUWER
PUWER is the main regulation that covers power tools, what does PUWER stand for?
Provision Use Work Equipment Regulation
What is the minimum age for anyone to use a power tool?
Any age as long as you have been properly trained.
What is the correct MAINS power tool voltage on site?
110 volts
Why is 110volts the preferred voltage used on site?
It is safer than 220-240 volts and it is unlikely that you would die from an electric shock.
Why would you not carry a power tool by its cable?
The cable may become loose and create an electrical fault.
What does HSS stand for in relation to cutters and blades.
High Speed Steel
What does TCT stand for in relation to cutters and blades.
Tungsten Carbide Tip
What does PCD stand for in relation to cutters and blades.
Poly Crystalline Diamond
Jig saws are MAINLY used for:
Cutting Curves.
Why are Batteries safer than mains voltage?
No chance of electric shook
No cable to cause trip hazards or snags
What is the MAIN hazards when using battery tools?
The battery could get shorted out and cause a fire.
What 3 cuts can a pull across mitre saw produce?
Square cut, bevelled/angled cut & compound cut.
When driving in screws with a combi drill, the screw is being left proud of the surface of the timber, what is causing this?
The torque setting is to low.
State three operations that a can be perform with a router?
Moulding, grooving, rebating, cutting with a jig or template.
Which way should you feed the cutter when using a router?
Against the rotation of the cutter. From left to right.
When using an orbital sander to create a fine finish for varnish on wood, you would use what grade of paper?
120 grade or higher.
When using a belt sander to remove paint from timber, you would use what grade of paper?
80 grade or lower.
What three operations can a circular saw perform?
Ripping, cross-cutting, bevelling, grooving, or rebating.
What is the purpose of a PAT test on a power tool?
Check it is electrically safe to use.
What does PAT stand for in relation to power tools.
Portable Appliance Test.
How can resin build up be removed from cutters and blades?
Use a solvent or soak in soda crystals and water.
When using a router, the BEST way to remove debris and dust is to use what?
An LEV or a vacuum.
What is an LEV that is used with a power tool?
A Local Exhaust Ventilation, dust extraction.
What operations can a power planer perform?
Plane timber flat, create bevels, create rebates.
What colour denotes a 110-volt splash proof socket?
Yellow
What colour denotes a 220-240 volt splash proof socket?
Blue
What colour denotes a 440-volt splash proof socket?
Red.
Why is it dangerous to use machinery, equipment & tools that produce high levels of vibration for long periods?
They could cause hand & arm vibration syndrome (HAVS)
What type of blade is used in a chop saw?
A negative hook blade.
What type of blade is used for ripping in a circular saw?
A positive hook blade.
You noticed that a power tool has a serious fault, what is the best course of action to take?
Isolate the tool, remove from use, tell a supervisor, get it repaired by a competent person.
What information is given on a PAT label?
Test date or retest date.
As a requirement of the PUWER regulations what record about power tools and machinery should be kept?
Maintenance and training records.
What action would you take if your nail gun became jammed?
Isolate from power source before removing jam.
What action should you take before changing the cutter on a router?
Isolate from power source.
What action should you take before changing the blades on an electric planer?
Isolate from power source.
What action should you take before changing the blade on a circular saw?
Isolate from power source.
What action should you take before changing the blade on a jig saw?
Isolate from power source
How is the cutter secured in a router?
Collet & nut.
How is the belt on a sander centralised?
By adjusting the tracking.
When fitting the belt to a sander how do you know which way it is to be fitted?
Arrows on the sander line up with arrows on the belt.
A dovetail jig would be used in conjunction with what power tool?
Electric router
A kitchen worktop jointing jig would be used in conjunction with what power tool?
Electric router
hinge jig would be used in conjunction with what power tool?
Electric router
What does RCD stand for and what is it used for?
Residual current device, to cut the power when there is an electrical fault.
What is the purpose of a transformer?
To reduce the voltage from 220/240 volts to 110volts.
When using a transformer and extension lead where would you position the transformer & the extension lead?
Plugged directly into the power socket and then the extension lead plugged into the transformer.
What colour should the transformer and extension leads be when used on a building site?
Yellow.
What should you do when using a high amperage tool with an extension lead?
Fully unwind extension lead.
What action should you take if you discover a damaged lead?
Disconnect from power, remove from use, Report it and get it repaired by a competent person.
What does the kite mark symbol mean when found on power tools?
Made to a British standard.
What type of drill and bit are required to bore a hole in brick or stone?
Hammer drill (SDS) and TCT masonry bit.
State three visual safety checks that should be carried out on a power tool before use?
Cable/Battery, body of tool, guard, tooling.
State two reasons why it is important to maintain and clean power tools regularly?
To ensure the tool is safe to use. To produces accurate finish. To ensure the tool stays in a good working condition.
What type of router cutters would you use to machine man-made boards?
Tungsten Carbide Tipped
What is the most common hazard to health when moulding MDF using a router?
Breathing in the dust.
At what decibel level should ear protection be made available?
80 decibels.
If you did not locate services under floorboards before starting work, what accidents is likely to happen?
Hit electrical cables, electrocution. Hit water pipes flood and electrocution. Hit gas pipe and explosion.
Drill screwdriver bits are held securely in what part of a drill?
Chuck.
What is the fault with the electric planer if you can hear the motor working but the cutter block is not rotating?
The drive belt has snapped.
What is the fault with the electric planer, it is leaving a raised mark on the timber?
The cutter has a chip in it.
What is the fault with the electric belt sander if you can hear the motor working but the cutter block is not rotating?
The drive belt has snapped.
What is the maximum amount of timber that can be removed with a power planer in one pass?
2-3mm
What PPE MUST be worn when operating an electric planer?
Safety glasses & ear defenders.
What PPE MUST be worn when operating a circular saw when cutting a sheet of MDF?
Safety glasses, ear defenders and dust mask.
What PPE Must be worn when operating a mitre saw to cut MDF skirting?
Safety glasses, ear defenders and dust mask.
What PPE MUST be worn when cutting a mitre mason joint on a kitchen worktop using a heavy-duty router?
Safety glasses, ear defenders and dust mask.
What is the purpose of a riving knife on a circular saw?
To prevent the timber binding on the sawblade and kicking back.
Above what decibel level MUST ear protection be worn?
85 decibels
What does the symbol of a square inside a square mean when shown on power tools.
The tool is double insulated.
