Automatic lathe tool holder - has aligned fixture pins on guide pieces and eccentric shaft pin lock

摘要

The cutting tool holder for automatic lathes has fixture pins aligned and fixed on tool guide pieces and two pin holes in corresponding arrangement which have a high accuracy of fit with the fixture pins. A device is provided for locking the fixture pins in their holes and for fixture of the cutting tool. This takes the form of an eccentric shaft. For aligning the fixture pins on the tool guide pieces, a microscopic centering device with two sets of centering pins is provided.