Vertical Machining Center | Precision Grinding, Inc.

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Vertical Machining Centers


Johnford Vertical Machining Center

Johnford VCM Bridge Mill

In 2013, PGI Steel added a new Johnford Vertical Machining Center with a travel capacity of 109” on the Y-Axis, 162″ on the X-Axis and 42” on the Z-Axis.  This double column machining center is capable of handling up to 25,000 lbs. (without risers).




Doosan Hybrid Bridge Mill

Doosan DBM 2540

In 2020, we added a new Doosan DBM 2540 Hybrid Bridge Mill with a travel capacity of 98.5″ on the Y-Axis, 167″ on the X-Axis and 42″ on the Z-Axis. This state-of-the-art machining center can handle parts and assemblies up to 30,000 lbs.



What is a Vertical Machining Center?

A vertical machining center is a CNC milling machine with a spindle mounted on the Z axis, which provides the ability to move vertically.  This extra axis permits their use in a variety of complex workpieces and significantly improves milling precision without impacting the speed, providing a cost-efficient alternative to most flat-surface hand-engraving work.

The most advanced CNC milling-machines, the multi-axis machine, add two more axes in addition to the three normal axes (XYZ). When all of these axes are used in conjunction with each other, complicated geometries, even organic geometries such as a human head, can be made with relative ease with these machines.

Linear Axis Rotational Axis
X A (about A line, parallel to X)
Y B (about A line, parallel to Y)
Z C (about A line, parallel to Z)



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