ho - ninguhetsudo null for ho - ningu processing

摘要

PURPOSE:To maintain a hole straight by reciprocating the head body of a honing head while rotating around the axis, and honing a stop hole alternately by means of long and short grinding wheels. CONSTITUTION:A honing head 1 comprises a head body 2, a tapered cone 4, a long shoe 5, a short shoe 6, a long grinding wheel 7 and a short grinding wheel 8. The head body 2 is coupled to the tip of a drive shaft 22 and reciprocal in the axial direction while rotating around the axis. The honing head 1 is inserted from an open end 11 of a work W in order to apply predetermined rotary reciprocal motion onto the head body 2. When the tapered cone 4 is slided and the shoes 5, 6 are extended radially, the grinding wheels 7, 8 repeats circular reciprocal pattern at the side of the stop hole 12 and rectangular reciprocal pattern at the side of the open end 11. When honing is applied onto the work W in such a manner, the hole can be maintained straight.