Automatic machining of the stem column. Automatic execution of the following operations:

• Tube loading.
• Positioning of the tube:
• 1) Calibration of one extremity.
• 2) Safety marking.
• 3) Possible hole for the smoke and/or treatment.
• 4) Possible slot of one end.
• 5) Cutting at different degree of one extremity.
• 6) Final calibration of one end.
• Automatic piece unloading.

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.