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MVS Modular Connection System from Allied Machine
MVS Modular Connection System from Allied Machine


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Niranjan Mudholkar
The Machinist


Allied Machine & Engineering announces the continued success of Wohlhaupter’s MVS modular connection system. As the original developer of modular tooling systems, Wohlhaupter shares its expertise with the drilling industry in the form of time-tested quality products, now part of Allied’s solutions for holemaking and finishing challenges. Part of the Multibore collection, the MVS connection is a flexible system designed primarily for drilling and boring, with application possibilities in tapping, endmilling, and light shell milling.

The MVS connection is a modular connection that allows for extended lengths or reduced diameters by using a series of components engineered for flexible adaptation to a manufacturing application. It comes in four sizes to accommodate the diameter range of the boring required: MVS 50-28, 63-36, 80-36, and 100- 56. Operators can easily build and change tooling components and this flexibility lets the MVS system work accurately for almost any project needs.     One of the strongest connections on the market, it offers a mating and clamping draw force of approximately 1900 psi. This superior strength is provided by a three point triangular system. The pressure points are an equal 120 degrees apart, creating high rigidity, high performance capability, and a total system accuracy of 3 microns. 

The original concept for this connection was developed in 1973 and has proven its ingenuity time and again over the last 43 years, consistently outperforming other modular programs. The system holds tolerances of 0.002 microns ID to OD and a consistent 0.002 microns of parallelism between mating surfaces. Only a connection system with the strength of the MVS allows for such tight tolerances and superior quality components and surfaces.