Portable Chipper Glossary

Portable Chipper Terms


Anvil –  A fixed steel block that provides support and resistance for the chipper knife.

Chipper Deck –  Infeed deck of a chipper, including the chain that feeds the material to be chipped.

Chipper Discharge Denotes –  the direction chips leave the chipper housing. May be horizontal, overhead, or from the bottom.

Chipper Infeed –  A series of rollers at the front portion of the chipper where the material to be chipped enters.

Chipper Knife Replaceable –  piece of steel with sharpened edge; attaches to a rotating drum.

Chip Separator Portion –  of a chipper that includes a chipper spout for the separation of needles and twigs from chips.

Chute Out – feed portion of a chipper. This is also known as a discharge spout.

Counter Knives –  A piece of steel that breaks a chip into desired lengths. Found behind, and similar in appearance to, the chipper, knife.

Fan – The part of a chipper that creates an air stream, moving the chips out of the chipper housing.

Feed Plate – A vertical plate of steel that prevents the tree in the chipper from passing beyond the disk.

Reed Rate Distance –  the stock being chipped moves during a given interval of time or operational cycle.

Indeed Throat –  The somewhat funnel-shaped portion of the Infeed that causes the tree to move forward to the feed and downward to the anvil.