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A planer is a type of metalworking machine tool that uses linear relative motion between the workpiece and a single-point cutting tool to cut the work piece. [1] A planer is similar to a shaper , but larger, and with workpiece moving, whereas in a shaper the cutting tool moves.
Some portable thickness planers differ slightly in that the table is fixed and the cutter head/feed roller assembly is adjusted. [1]: 1 Industrial thickness planers are capable of accepting very wide boards and removing large amounts of material in a single pass. These machines are driven by powerful motors and are of very heavy construction.
Concerning shaping, the device that holds the piece being worked on has a very heavy movable jaw to withstand cutting forces. The size of the planer needed is determined by the workpiece. Depending on the size of the workpiece many clamps and supporting devices may be used to hold it on the planer.
The term planer may refer to several types of carpentry tools, woodworking machines or metalworking machine tools. Plane (tool), a hand tool used to produce flat surfaces by shaving the surface of the wood; Thickness planer (North America) or thicknesser (UK and Australia), a woodworking machine for making boards of even thickness
Its cut is analogous to that of a lathe, except that it is (archetypally) linear instead of helical. A wood shaper is a functionally different woodworking tool, typically with a powered rotating cutting head and manually fed workpiece, usually known simply as a shaper in North America and spindle moulder in the UK.
Fundamentally, a jointer's table arrangement is designed with two levels like a narrower thickness planer so that it consists of two long, narrow parallel tables in a row with a cutter head recessed between them, but with a side guide.