Operating Tips - ALFRA 18554 Mode D'emploi

How to work with twist drills
• The drill chuck is only to be used with twist drills
• Insert drill chuck with adaptor in the Weldon arbor (E).
• Insert twist drill in drill chuck and tighten.
Tapping
With the help of the Tapping Adaptor, it's possibility to tap threads from M3 up
to M 12.
If you turn back the Spindle (B), the tapping adaptor switches to left rotation
automatically.

Operating tips

First, place annular cutter with ejector pin on a marked center or marking.
Drilling with ALFRA Rotabest cutters does not require much expenditure of
force. Set the cutter and spot-drill, until the entire cut edge is formed as a
circle.
During the drilling process, the cutter should be cooled permanently. Optimal
Cooling is possible by internal cooling with our coolant unit (b).
During the drilling process, do not Stop the motor. After the process, cutter
draws back with running motor.
Remove chips and core after each drilling. Remove chips with Chip-Remover
– do not touch with bare hands – DANGER OF INJURY!
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