| 摘要 |
PROBLEM TO BE SOLVED: To provide an epochmaking fastening system to carry out intermediate assembly of a part in the middle of machining capable of manufacturing a high precision product at extremely low cost by depending upon a machine tool used all in dimensional precision, shape precision, positional precision, directional precision and deflective precision of the product and eliminating machining of a part not required in tolerance at the time of carrying out machining and assembly of a plural number of parts. SOLUTION: One part is machined by using a bolt shank to carry out bolt fastening by using a main spindle and a bolt stocker to stock bolts of different sizes, thereafter, another part is supplied and positioned by a robot on the part, thereafter, a bolt of desired size is taken out of the bolt stocker by the bolt fastening shank and the two parts are bolt-fastened on a table of a machine tool. Furthermore, intermediate assembly of the parts is carried out on the midway of machining constituted of an intermediate assembly system halfway of machining to machine the succeeding part.
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