DISTRIBUTION BALL INNER SHEET SURFACE PROCESS MACHINE, DISTRIBUTION BALL INNER SHEET SURFACE MEASUREMENT DEVICE, DISTRIBUTION BALL INNER SHEET SURFACE PROCESS MEASUREMENT DEVICE, DISTRIBUTION BALL INNER SHEET SURFACE PROCESSING METHOD, DISTRIBUTION BALL INNER SHEET SURFACE PROCESS MEASUREMENT METHOD, AND DISTRIBUTION BALL INNER SHEET SURFACE MEASUREMENT PROCESSING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a distribution ball inner sheet surface process machine for processing a distribution ball inner sheet surface thereby to improve the efficiency and preciseness of the process.SOLUTION: A distribution ball inner sheet surface process machine comprises: a ring-shaped stationary portion 21 to be mounted along the circumference of a manhole 102 at the sheet surface processing time of a distribution ball 101; and a blade 321 mounted on a cutter holder 32 toward a distribution ball body side sheet surface 103 of the manhole 102; and a blade 73 mounted on the cutter holder toward a manhole cover sheet surface 202 at the manhole cover sheet surface processing time.