which type of sensor

[asmvn]

hi all , My IKEGAI TV 4 have sensor in spindle , I attach in picture, but I not know this use for what ? Hope some ones tell me this .thank alot

[Al_The_Man]

One of the most common uses of a spindle sensor is to orient the spindle for tool change position,.
Al.

[asmvn]

One of the most common uses of a spindle sensor is to orient the spindle for tool change position,.
Al.

thank Mod

[sinha_nsit]

For applications such as fine boring (G76) and back boring (G87), where the tool has to shift laterally, in a direction opposite to the radial direction of the cutting edge, the spindle has to hold the tool in a particular orientation.