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Cam Clamp |
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A simple means of clamping a workpiece by using an eccentric shaped component, which is pivoted round to exert pressure. |
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Cambrio |
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A particular arched shape formed on the top of raised panel doors. |
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Capillary Cutter |
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A cutter which produces a radiused groove in window and door joinery, for the purpose of draining off water. |
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Carbide (Tungsten Carbide) |
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A very hard and durable compound used to make router cutters. This is either brazed onto steel shoulders or produced as an integral solid carbide cutter. Carbide requires careful handling and storage as it can be brittle. |
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Carbon Brushes |
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Found in a commutator motor. The brushes feed current to the windings on the rotor and bear on the metal segments (commutator) on the rotor. |
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Carbon Steel |
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Used for twist drills and machine bit. Has 0.6 to 1.8 % carbon content. Abbreviated as WS. |
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Carcass |
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The body part of a box-like piece of furniture without the doors and fittings. |
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Casement |
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A glazed frame or sash which is either hinged or pivoted. |
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Cavetto |
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A quarter-round concave moulding, with a quirk shoulder. |
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Chamfer |
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A corner that is angled so that the edge of the material is removed equally on each face. |
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Chatter Marks |
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A series of ripples left on the cut surface caused by feeding too fast or using a blunt cutter. |
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Cheek |
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A strip of timber or plastic often used to extend the bearing surface of a fence to prevent router or timber running off course when feeding-in. |
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Chip Limiting |
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The space between the surface of the cut and the bit body that controls the size of the cut and the speed of feeding. |
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Chipboard |
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Manmade wood particle board used in cupboards and shelf units, usually faced with a veneer, plastic laminate or melamine foil. TCT cutters should be used with this abrasive material. |
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Chuck |
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Usually refers to the holding device at the end of a power drill or lathe. Serves a similar purpose to that of a collet on a router. |
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Clearance Angle |
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The angle of the cutter edge relative to the body of the bit. |
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CNC |
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Computer Numerical Control - the technique where a cutting head such as a router is controlled by a computer through a program defining the cutting path to be followed. |
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Collet |
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A chuck or gripping device which fits on the end of a routing machine spindle to hold the shank of the cutters (concentric). |
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Collet Capacity |
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The size of cutter shank that will fit a particular collet. Common sizes are 1/4Ó, 3/8Ó, 1/2Ó, 8mm and 12mm. |
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Collet Nut |
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The hexagonal nut that retains the collet in place on the spindle of a router. |
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Comb Joint |
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A joint usually consisting of parallel cut fingers which interlock. Often called a corner box joint. |
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Combination Cutter |
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A cutter which can perform more than one profiling or shaping operation, usually by applying it at different depths and angles. |
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Concentric |
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One or more circles within each other, having the same centre point. |
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Contour |
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The profile or section of a moulding, denoting shape and size. |
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Copy Router |
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A router which has the facility to cut or profile when working from a template or guide. |
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Core Box |
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A groove with a rounded concave bottom. A core box cutter is often termed a radius cutter or a veining bit. |
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Corian |
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A ´marble-like´ material with a dense structure used in luxury kitchens and bathrooms. Can be cut to a wide variety of shapes and designs with router cutters. (Corian is a trademark of Du Pont). Classed as a composite worktop and is acrylic based and bonded to a MDF core. Other composite board brands include Avonite, Apollo Quicktops, Apollo Magna, Apollo Slab, Maia, Earthstone, Minerva, Hanex, Hi-Macs and Staron. Some brands may be bonded to a chipboard core. |
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Counterboring |
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A method of recessing the head of a screw or bolt into material. Tools which drill and cut the recess simultaneously are called counterborers. |
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Countersinks |
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Similar to counterboring, but these tools cut countersink recesses to receive bolts and screws with countersunk heads. |
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Cove |
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A quarter round concave moulding, normally produced by a radius cutter, used for edging purposes. |
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Cramp |
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A piece of equipment for squeezing together pieces of material. Also known as ´clamp´. |
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Cutter Blocks |
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Usually refers to the main body of a spindle cutter head into which cutters are inserted and locked. The term is also used to refer to the body of router cutters which have replaceable cutting edges. |
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Cutter Creep |
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Movement of the cutter shank within the collet during use, caused by insufficient tightening or collet wear. |
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Cutting Diameter |
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The maximum width of the path made by any router cutter in one pass. |
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Cutting lengh |
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The maximum length of the full cutting edge of a router cutter. |
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