Countersink Countersink bit Countersunk Screws A countersink is used to
Counterbore A Counterbore is used to allow the head a bolt to sit below the surface of the work piece Counterbore Bit
Pilot Hole How to screw two pieces of wood together 1) Drill a pilot hole 2) Counterbore the top piece 3) Countersink the top piece 4) Drive in a screw Why are pilot holes are often drilled when you need to drive a nail or screw near the edge of a piece of wood ? To prevent the wood from splitting
Chamfer A Chamfer is a 45º slope on the edge of a piece of wood or metal. The purpose of a chamfer is to remove the sharp edge from the product. When working with wood a chamfer can be produced with a plane or using a router cutter When working with metal rod a chamfer can be produced on a Centre Lathe
Knurled Knurling is the textured pattern added to metal to provide better grip Knurling tool Knurled handle on a Centre punch When using the Knurling tool the lathe should be set as slow as possible Click on picture above to watch Movie
Combination Plane The combination plane can be used to produce mouldings along the edge of a piece of timber or, more commonly to cut a groove in a plank Using a Combination Plane
Tongue & Groove Router Cutters Combination Plane The Tongue and Groove Joint is a common method of joining wooden boards The Tongue and groove can be cut manually with a combination plane or mechanically with a Router (Or Spindle Moulder)
Rebate Rebate plane A Rebate is a square notch formed in the side of a piece of wood. The notch is often used to recess a base or back of a box. Click on picture above to watch Movie
Moulding A moulding is a shaped wooden strip normally produced by a Router or Spindle Moulder Mouldings around door panels Mouldings can also be produced using a moulding plane Router Router Cutters
Fillet A fillet is a curved join in a corner. Castings often have filleted corners to add strength
Knock Down Fittings Knock down fittings are mechanical fixings that can be put together with simple tools. Knock down fittings are used to replace Joints in Flat Pack Furniture
Flat Pack Furniture Flat pack furniture takes up a lot less storage space Flat Pack Furniture is furniture that is supplied as a kit and built at home Flat Packed Flat pack furniture has a number of advantages and disadvantages over fully built furniture 1.It is only partially built so it costs the consumer less 2.It is generally easier to transport home (It will fit in a car) 3.Designs can be more limited (some things just can’t be flat packed) 4.Designs are held together with Knock Down Fittings (Not as secure)
Aesthetics Shape SizeProportionPatter n Texture Form Symmetry A study what is artistically valid or beautiful Aesthetics can be broken down into a number of areas Colour
'Ergonomics is designing to suit people. If the designer fails to take account of ergonomics the resulting product or system will be unsuitable for human operation or use and is likely to lead to a greater risk of human error and injury. In complex systems the resulting human errors can lead to catastrophic loss of life as in recent railway accidents and aircraft ones over a long period. In more mundane jobs the failure can lead to a lifetime of upper limb disorders or back pain.' Reg Sell, Past President and External Relations Officer, The Ergonomics Society, 2002 Ergonomics is the study human body in its working environment Ergonomics
Anthropometrics Anthropometrics is the comparative study of human body measurements and properties.
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