
What does it mean to have a part in? You need to perform sequentially a series of manufacturing operations, and as a result, the workpiece turn into the finished product. For example, it is necessary to manufacture the bolt. Hex metal rod the thickness of a future head of the bolt is fixed in the spindle of a lathe, turned to the body diameter of the bolt, then cut the threads, measure out the desired length of the bolt and head and cut off from the web. In the manufacture of the bolt, as in any other production process, it is possible to allocate operating procedures (for example, the groove of the rod, threading) and auxiliary operations, or actions (consolidation of harvesting and removal from the machine the finished product).
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