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Encyclopedia > Thickness planer

A thicknesser (also known as a thickness planer) is a woodworking machine which is used to create boards that are of an even thickness throughout their length. A Woodworking machine is a machine that is intended to process wood. ...

## Design

A thicknesser consists of three elements: a cutter head which contains the cutting knives; a set of infeed and outfeed rollers which draw the board through the machine; and a table which is adjustable relative to the cutter head to control the resultant thickness of the board. Some portable thicknessers differ slightly in that the table is fixed and it is the cutter head/feed roller assembly which is adjusted.

Industrial thicknessers are capable of accepting very wide boards and removing large amounts of material in a single pass. These machines are driven by powerful induction motors and are of very heavy construction. In recent times, a range of light-weight portable thicknessers have become available which use universal motors and are much cheaper than the industrial version. Electric motors of various sizes. ...

## Operation

In operation, the table is set to the desired height and the machine is switched on. The board is fed into the machine until it makes contact with the infeed roller, which grips the board and draws it into the machine and past the rotating cutter head. The knives remove an amount of material on the way through and the outfeed roller pulls the board through and ejects it from the machine at the end of the pass.

In order to achieve a board that is flat and of uniform thickness along its length, it is necessary to start with a board that has at least one perfectly flat reference face. The board is fed with this reference face flat on the table and the cutter head removes an amount of material from the opposite face so that it is made parallel to the reference face. The reference face is often created by first passing the board over a jointer. Jointer A jointer (also known as a planer, surface planer, buzzer, or flat top) is a woodworking machine used in woodworking to produce a flat surface on a board. ...

One problem often encountered when using a thicknesser is snipe. This manifests as a deeper cut on a short section of the board at either end and is caused by incorrect feeding or misalignment of the infeed or outfeed tables.

Results from FactBites:

 Thicknesser - Wikipedia, the free encyclopedia (389 words) A thicknesser (also known as a thickness planer) is a woodworking machine which is used to create boards that are of an even thickness throughout their length. In order to achieve a board that is flat and of uniform thickness along its length, it is necessary to start with a board that has at least one perfectly flat reference face. The board is fed with this reference face flat on the table and the cutter head removes an amount of material from the opposite face so that it is made parallel to the reference face.
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