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Woodchipper (click for video) A tree chipper or woodchipper [1] is a machine used for reducing wood (generally tree limbs or trunks) into smaller woodchips.They are often portable, being mounted on wheels on frames suitable for towing behind a truck or van.
A screw-type wood chipper contains a conical, screw-shaped blade {citation needed}. The blade rotation is set parallel to the opening so wood is pulled into the chipper by the spiral motion. Screw-type, also called high-torque rollers, are popular for residential use due to being quiet, easy to use and safer than disk and drum types. [15] [17]