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Pocket hole jigs allow the user to drill a hole at an accurate angle to get a good joint. Using a pocket hole jig also makes for a cleaner and neater appearance as opposed to creating a pocket hole without the help of a jig. [2] A pocket hole jig is generally made of plastic and has a metal insert that the drill bit is inserted through to drill ...
circumventing jigs altogether. Franklin D. Jones, in his textbook Machine Shop Training Course (5th ed), [4] noted: "In many cases, a jig borer is a 'jig eliminator.' In other words, such a machine may be used instead of a jig either when the quantity of work is not large enough to warrant making a jig or when there is insufficient time for jig ...
Drilled pit hole. In short, there are mainly two types of concealed hinge jigs, "push jigs" and "hole template jigs". [4] Push jigs are used to hold the Forstner bit perpendicular to the door surface and a "hole template jig" it is simply used for marking the place of the pit hole, placing it parallel to the door edge.
A drill bushing, also known as a jig bushing, [1] is a tool used in metalworking jigs to guide cutting tools, most commonly drill bits. Other tools that are commonly used in a drill bushing include counterbores, countersinks, and reamers. They are designed to guide, position, and support the cutting tool. [2]
A well-kept jig grinder will reliably position work to a higher degree of accuracy than is possible with handwheels alone. These features are all critical in positioning a hole-and-peg system a precise distance from a reference surface or edge. The most important factor on a jig grinder is the dual-spindle configuration.
An example of a jig is when a key is duplicated; the original is used as a jig so the new key can have the same path as the old one. Since the advent of automation and computer numerical controlled (CNC) machines, jigs are often not required because the tool path is digitally programmed and stored in memory. Jigs may be made for reforming plastics.