Cone plate parts processing for drill reamer

The present invention relates to a cone plate parts processing reamer for drilling, comprising a working portion and a handle portion, the handle portion of a cylinder, a working portion of the stepped cylinder portion coaxial with the shank, the head is formed sequentially, shaped taper transition portion and the neck portion of the adapter, the work unit is provided with flutes, flutes for forming a solid portion of the knife blade, drilling edge formed at the end face of the head flutes, the flutes taper molding portion knife blade is formed in the diameter direction of the line of intersection taper reaming edges; taper reaming edges is two or three blade cutting pattern type, when three blade type, the number of flutes is three correspondingly. Cone drill reamer is provided a multi-step, to ensure that the concentricity and the tapered bore of the reaming step, help to improve the processing quality, while reducing a tool change time, improve cutting efficiency.