Automatic machining of the stem column. Complete with an automatic loader to combine/connect to the machine complete with hopper containing tubes with feeder to select and transport the same to the position of  machine loading automatic execution of the following operations:

• Automatic tube loading.
• Positioning of the tube.
• Safety marking.
• Cutting at different degree of one extremity.
• Final calibration of one end.
• Possible notching of the other end of the tube.
• Final calibrating to ensure the end of tube to enter into the fork.
• Automatic piece unloading.