Canter chipper head and knife mounting

摘要

A canter chipper head having a base member machine shaped from a unitary block of metal and having a truncated conical outer face terminating in an end face and at least two chip discharge though passages. There are a pair of cutter units mounted in respective ones of a pair of recesses adjacent each chip discharge opening. The recesses and outline of the cutter units match and are machined to a close tolerance fit to positively locate the cutter units on the base member. Each cutter unit has a cutting knife clamped between a pair of plates and each plate is secured to the base member with a threaded stud.