This is a nice generalization of accessing the INI file so that if I decide to use a different mechanism or store the INI in some other position, I don't have to go around changing lots of functions.

It moves ahead by two motors, which are attached to the shell, driving the corresponding screw transmission mechanism respectively, and turns by changing the position of the barycenter.

The globoidal indexing cam mechanism, which is used to achieve the precisely changing position of ATC(Automatic tool changing), is the most important part of NC manufacture center.