Home › Blog › Buying Guide › What Do Buyers Look for Before Investing in a Pre-Owned, Used, Secondhand, Surplus CNC Equipment Before Purchase Mazak Variaxis 630-5X CNC 5-Axis Vertical Machining Center made in Japan When evaluating a pre-owned 5-axis CNC vertical machining center such as a Mazak Variaxis 630-5X (or its variants), a buyer needs to be especially diligent — these machines are complex, expensive to repair, and require tight tolerances....