| 摘要 |
A machine tool is provided having a wide range of applications and uses in metal or other material fabrication. Such machine tool may be utilized on reactor flanges, pipes, and other equipment. The machine tool is pneumatically actuated and may include a vertical spindle on which may be attached a grinder, brush, or other apparatus for polishing, grinding, or contouring a workpiece. A pneumatically driven mechanism for the machine tool includes a plurality of worm gears positioned and arranged for selective rotational speed and tongue of the spindle of such tool. Essentially, the machine tool or universal tool combines functions achieved with a plurality of known tools in a single unitary tool assembly having reliability, simplicity, economy, and durability.
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