An auxiliary article centering the tool on the machining device, a centering method, and a centering device including the above-

摘要

The present invention relates to an auxiliary article (1) for centering a tool (O) or a tool holder spindle on a rotation axis (X-X '') of a rotation guide bush of a machining apparatus, An alignment member 113 for aligning the longitudinal axis F-F ''and the rotation axis X-X'' of the rotation guide bushes in a line on the first end 111, (121), a positioning member (121) mounted to be rotatable about the longitudinal axis (F-F '') and capable of receiving a positioning probe (S), in particular a measuring probe (11) including a head (12) to which the head (12) is attached. The present invention also relates to a centering method using the accessory article and a centering device including the accessory article.