Machine for drilling of workpieces

摘要

A hydraulic motor (25) is provided for driving the tools (23c) for each of the working heads (23). The first working units (7) are supported by the lower bearer (3). A number of second working units (8) are supported by the upper bearer and are movable along its longitudinal axis and have at least one working head which has tools for drilling along the vertical axis of the workpiece (2). The second working units are similar to the first, and for each head also have a hydraulic motor for driving the tools.