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It makes sense to cut, mill, drill or tap a workpiece on the machine best-suited to the task, but sometimes it makes even more sense to assemble the machine tool specifically for the workpiece. offers a range of machining units that can be combined into complete machining systems for large runs of specialized parts, especially those that are bulky or awkwardly shaped such as automotive and aerospace components.

The machining units, which can perform sawing, milling, drilling and tapping processes, can be arranged to operate simultaneously or in sequence. A display at the company’s IMTS booth, for example, showed how multiple drilling units could be arranged to drill multiple holes on the interior of a Corvette door in one pass (pictured above). Meanwhile, a separate demonstration featured a machining center consisting of four different types of machining units to demonstrate how workpieces could be machined complete in a single setup. Each time the machine indexed, it produced a finished part.

Each machining unit consists of a pneumatic spindle and toolholder with a durable cast iron body. The units are available in a range of different sizes with through-coolant variations and can be equipped with servomotors and ballscrews for greater accuracy. Suhner also provides the enclosures and systems necessary to form complete machining centers with the modular units.