Gravotech M20 - Automatic ZRef Calibration; JEWEL Kit Ring Engraving Calibration

73
M_M20 series V3_EN_C
Preventive maintenance
 Adjustment: Automatic ZRef
1. Switch on the machine.
2. Use the spindle with a nose, without a cutter and without pressure (Position 1) or use the spindle
with the diamond tip.
M20 PIX: Use the spindle with the diamond tip.
3. Position a plate in the vice.
4. Presssimultaneouslyonthe2keys:Pause-ZRef.
The tool holder moves to the center of the vice. The spindle moves down until the tool touches the plate.
5. SetthezeropointintheZaxisofthemachineusingthefollowingkeys:Up-Downarrows.The
point must come into contact with the surface to be marked.
6. StorethepositionoftheZzeropointby pressingthe"Check"key for3seconds.The machine
emits an audible signal.
 Adjustment:JEWELkit(ringengraving)
The machine needs to be adjusted after the diamond tip has been changed or after any change to the
electronics.
Adjust these settings every 3 months or whenever the machine has been moved.
• Adjusting the machine in X-Y:
1. Place a reference ring in position on the chuck according to the desired marking (Exterior or
Interior).
Inside engraving
3
1. Internal diameter
2. Width
3. Reference ring(s)