Here are links to my specific vertical machining centre notes with more detailed information:

HSM high speed vertical machining centres for small to mid-size components

VMC heavy duty c-frame vertical machining centres for larger components

DVM double column vertical / universal / 5-axis machining centres for the largest components

TVMC fixed table traveling column 3/4/5-axis vertical machining centres

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double column vertical / 4-axis / 5-axis machining centres

multi 3/4/5-axis vertical machining centres