Pneumatic edge trimming machine

摘要

A pneumatic edge trimming machine has a base a center of which having a hole. A sleeve extends upwards from the base for receiving a hollow outer casing. The outer casing has a top and a lower end; and the top and lower end of the outer casing are fixed to an inner casing through a frame. A space penetrating the inner casing and outer casing is formed. The inner casing is used to be installed with a pneumatic motor. A shaft is extended from a pneumatic motor. The shaft has a tool combining portion which exposes out of the hole at the base. The inner casing has an air inlet and a control switch. The inner casing has a vent facing toward a top of the outer casing, and the top of the outer casing being connected to a predetermined space by a tube. Therefore dust can be absorbed automatically in working.