Boring machine; has mount for boring unit and feed carriage and slider unit with screw adjuster device assigned to feed carriage and carrier element connected to feed carriage for sliding movement

摘要

The boring machine (1) has a mount (3) for a boring unit (2) and a feed carriage (4) and a carrier element (5), which is connected to the feed carriage to move to and fro. A drill string is formed of connected tubes having a screw. A slider unit (10) having a screw adjuster device is assigned to the feed carriage and the carrier element in a coupling area (6). Preferably, the carrier element is formed as a feed chain (7), which is arranged on a base plate (11), in which a guide block (12) fixed to the feed carriage is slidingly arranged.