At present, all kinds of training institutions are mixed, mostly utilitarian training, with charging as the main purpose, and the training effect is never discussed;

The real mechanical technical knowledge is best to learn and accumulate in practice, that is to say, to take root at the grass-roots level and go deep into the workshop;

For example, the design of unloading groove, gear machining and tool clamping are difficult to learn in training institutions;

If you really want to achieve something in this field, then start as a workshop technician. After three years, your stomach will be solid, and you will have the confidence to start designing.