A rapid radial drilling machine is a type of pillar drill. The large difference between the box column drill and the pillar drill is that the box column drill contains a round guiding column, and the pillar drill has a square column with guides. This type of machine enables the production of both the threading and galling of drills on one machine. Contrary to the conventional box column drill, this type of machine contains a continuous speed control for the main drive shaft of the drilling tool. Additionally, the feeding rate is adjustable. The rapid radial drilling machine contains a specifically engineered machine frame (which is encased) to ensure minimal vibrations. The cooling device is also located within the casing. In some drilling machines, this can also be located separately, next to the machine. The strong machine frame can be adjusted by height. The guiding pillar is protected by a bellow. On the top of most models one can find the controller for the tool spindle on one side and the spindle head on the other side.
- Efficient execution of drilling tasks that are unsuitable for boring machines
- Used in the metal processing industry
- Processing of heavy and large workpieces
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A morse taper is used for the clamping in of the workpiece, and it allows the tools to be quickly switched. The continuous, adjustable spindle speed control is often combined with gears for certain sectors. Secure clamping of all axles is usually done hydraulically, in order to ensure minimum vibration during drilling and extend tool life.