OPERATION | 57
8. TOOL POST
Tool post is the device to attach a few tools, and to change tool used in machining.
In general, according to the number of tools, tool post is classified as follows.
According to the machine type, the number of tools is already decided. Regarding the more
details, refer to manual for machine specification. Turret is basically clamped/unclamped by
hydraulic pressure, and in order to change tool, it is rotated by servo motor or hydraulic
pressure.
8.1 The movement of tool post
In case of commanding tool index, generally tool post will
operate as sequence shown in left figure. In order to
rotate turret, be sure to check whether turret is
unclamped or not and then rotate turret. Regarding the
turret which milling tool can be attached to, it will rotate
after the status of milling tool is checked. If the status of
milling tool is impossible to rotate operation turret, the
status of tool will be changed automatically and then
turret will start to rotate. In case of manual rotation of
turret, the rotating direction should be determined in
advance.
However, in case of automatic rotation of turret, it will
rotate automatically by means of turret servo drive which
judges a short distance or hydraulic solenoid operation.
The rotating direction of turret is also determined
compulsorily using M-code in automatic mode.
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