ALFRA ROTABEST 60 Mode D'emploi page 14

How to work with annular cutters (Weldon shank)
• Mount Tool Holder AMK 3 in arbor.
• Push ejector pin (center pin) through head of annular cutter.
Mounting of ROTABEST cutter according to drawing. The setscrew must be positioned in the center of
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the lateral flat side of the Weldon shank. Fix tightly.
• First place annular cutter with ejector pin on a marked center or marking.
• Spot-drill until the entire cut edge is formed as a circle.
Drilling with ALFRA ROTABEST cutters does not require much expenditure of force.
• During the drilling process the cutter should be cooled permanently. Optimal Cooling is possible by
internal cooling with our coolant unit.
• Do not stop the motor during the drilling process. After the process draw the cutter back with running
motor.
• Remove chips and core after each drilling.
Attention!
Remove chips with chip-remover. Do not touch with bare hands. Danger of injury!
How to work with twist drills
• The drill chuck 3-16 mm with MT 3 shank is only to be used with twist drills.
• Insert drill chuck with adaptor in the arbor.
• Insert twist drill in drill chuck and tighten drill chuck key.
Twist drills with MT 3 shank can be inserted directly into the arbor.
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