Let’s  compare between vertical and horizontal milling machines. Horizontal milling machines feature horizontally oriented spindles, with cutters mounted on a horizontal arbor across the table. These machines are known for their versatility in handling heavier, more substantial pieces of work and are ideal for cutting grooves, slots, and gears. In contrast, vertical milling machines have vertically oriented spindles, enabling the cutting tools to extend downward from the workpiece. These machines are well-suited for simpler operations like drilling or plunge cutting. Horizontal milling machines are versatile, handling larger and more complex operations, while vertical milling machines are efficient for simpler tasks and offer space-saving benefits.