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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.
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
A very popular helix angle, especially for general cutting of metal materials, is 30°. For finishing end mills, it is common to see more tight spiral, with helix angles 45° or 60°. Straight flute end mills (helix angle 0°) are used in special applications, like milling plastics or composites of epoxy and glass.
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.
Craftsman No. 5 jack plane A hand plane in use. A hand plane is a tool for shaping wood using muscle power to force the cutting blade over the wood surface. Some rotary power planers are motorized power tools used for the same types of larger tasks, but are unsuitable for fine-scale planing, where a miniature hand plane is used.
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.