Milling machine guards protect the machinist from swarf, coolants, pieces of work which have become detached and tool breakages. The guard also keeps the working environment cleaner. The guard plate can be easily turned to the required position. The guards vertical position can be locked with a pneumatic cylinder lock and released with a handle. A brake ensures that the guard does not move in the horizontal direction, for example due to the vibration of the machine It is possible to equip the guard with a light for ease of work.