Final answer:
A vertical-type milling machine features a spindle that is perpendicular to the worktable, suitable for various machining operations like planing, drilling, and complex shape cutting.
Step-by-step explanation:
The correct answer to the question is B) Vertical. A vertical-type milling machine is designed with its spindle in a vertical orientation, which stands perpendicular or at right angles to the worktable. This configuration allows the cutting tool to move up and down while machining, which is suitable for processes such as planing, drilling, and cutting complex shapes.
In contrast, a horizontal milling machine features a spindle that is parallel to the worktable. Universal milling machines can perform both vertical and horizontal milling operations, and they have a swiveling table to accommodate this versatility. A rotary milling machine has a table that rotates around a vertical axis, offering another range of motion for cutting operations.
Vertical milling machines are common in the manufacturing and engineering industries due to their capability to perform a wide range of operations precisely and efficiently.