TG-OVR_US-EN

DRILLING | 4TEX® Drill: Indexable Insert Drilling System

Center Height Alignment Proper Center Line Position

XTP TAP TAS HPU APX 4TX REV OPN SSD ACP BTA WHL CRT ALV BRN THM .007" (0.2 mm) Center insert above center line .020" (0.5 mm)

x-axis of machine

Center Line

Core Area .020" (0.5 mm)

.020" (0.5 mm)

Proper Center Height Alignment • The correct center height alignment will position the center insert .007" (0.2 mm) below the center line.

Core

Center Insert

No core

Center Insert Above the Center Line • This will cause fracturing of the center insert • Requires center height adjustment

Center Insert

.040" (1 mm)

Center Insert Too Far Below Center Line • This will cause the drill to interfere with the drilled hole • This will impede chip evacuation on the periphery insert • Requires center height adjustment

Core

Center Insert

50

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