Page 174 - Demo

172 ISCAR PRE-THREAD DRILLING WITH CHAMFERING Adjustment of UNI-CHAM-DRILL ProtrusionSteps: 1 Unscrew the chamfering insert screws.2 Remove the chamfering inserts from their pockets.3 Unscrew the CHAM-RINGside locking screw.4 Remove the UNI-CHAM-DRILLfrom the CHAM-RING holder.5 Adjust the inner axial stopper screw to attain the required UNI-CHAM-DRILLprojection, by inserting a flat screwdriver from the front or back of the CHAM-RING bore.6 Insert the UNI-CHAM-DRILLinto the CHAM-RING bore.7 Slightly tighten the side locking screw for initial contact with the UNI-CHAM-DRILL clamping surface.8 Attach the chamfering inserts into both pockets and tighten their clamping screws. Ensure a tight clamping of the insert against the UNI-CHAM-DRILLperipheral clearance guiding surfaces.9 Clamp the required CHAM-DRILL head size onto the UNI-CHAM-DRILL pocket.10 Verify that the required projection has been achieved.