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Transcript of Power tools
Prepare and use carpentry and joinery
portable power tools
Identify different Power tools
How many power tools can you name ?
In pairs compile a list (10minutes)
Know how to prepare carpentry and
joinery portable power tools
Know how to use carpentry and joinery
portable power tools to cut, shape and
State why it is important to check portable
power tools for faults or defects prior to
What are the common sources of power ?
(in terms of power tools)
- mains electric 240 and 110 volt.
- compressed air.
- battery packs (rechargeable).
110v / 240 v
Only 110v is permitted on construction sites in the UK
Domestic / DIY tools are generally 240v
The only location on a construction site with 240v power will be the site canteen / offices
Why is this voltage not permitted ?
Portable appliance testing is applicable to power tools
- Guidance every 3 months
due to heavy use
The safest option !
nickel–cadmium battery (NiCd battery or NiCad battery)
invented in 1898 ! True or false ?
Used in many power tools up to 1990s
NiMH battery power tools
nickel–metal hydride battery
This gradually replaced the NiCD in the late 1990s
Preferred choice of manufactures today
Types of uses
Using the list of power tools
match the power tool to a use or specific task ?
Change tooling on portable power tools in
accordance with manufacturers’
From the tools on display in groups of two
change the tooling
After guidance from your tutor
- Good practice
Now write a short method statement on the changing of tooling
Types of cutters / Tooling
Tungsten carbide (chemical formula: WC) is an inorganic chemical compound (specifically, a carbide) containing equal parts of tungsten and carbon atoms.
In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes for use in industrial machinery, cutting tools, abrasives
HSS (High speed steel)
Drill bits are cutting tools used to create cylindrical holes
list drill bits / power tool attachments
Think about what you use at work ?
Flat bit / Spade /paddle bits
Name two uses ?
Lip and spur drill bits
Invented by Robert Forstner 1874
Twist Auger bits
Exact Spiral Flute Step Drill
Multi-Angle Drill Bit
Special Direct System
Developed by Hilti and Bosch in 1975
Hazards using power tools
List the potential hazards
An FFP3 respirator is advisable if you are exposed to high levels of grain dust or mould spores.
Debris can cause eye injuries
From jigsaws , circular saws, routers etc
Prolonged / frequent
Can cause long term ear damage
Can You name the following
Fixings for different backgrounds
It is paramount you understand he background that you fixing into
Fixing into Block
Used to connect / fix structural timbers
Plaster board fixings
Which Legislation covers power tools ?
Wafer head screw
Metal , plastic, timber
Now try and locate services in the classroom
What else could provide information on services locations ?
Now attempt the Mini quiz on Power tools
Mock test Occ 11
Disadvantage - more expensive than 110v