It opens water discharge channels and ventilation holes on PVC profiles at different angles fully automatically. Three frequency controlled high speed motors operate on different surfaces of the profile, and motors can operate independently. Milling speeds can be adjusted independently. It offers easy adjustment for different profile dimensions and includes an angled upper motor with automatic right-left axis shifting and pneumatic profile clamping. General features: water slot opening on PVC profiles; motors can work in three axes or two motors can work simultaneously in different axes; practical adjustment of slot length and depth via stoppers; pneumatic progress speed adjustment; two pneumatic clamping points for high precision; automatic drilling start by single button; automatic axis crookedness adjustment with movable table; motor selection through switches; PLC control system.