Page 91 - ISCAR(HOLE_MAKING_CATALOG_65)

USER GUIDE
INDEXABLE DRILLS

Insert Clamping Instructions

1 2 3

!
1 Exiting inclined surface
Up to 7°, reduce feed by 50-70% during exiting

!
2 Entering inclined surface
Up to 7°

Boring
3
Not possible

!
4 Cross hole
Maximum cross hole diameter must be ¼ of drill diameter

! Stacked plates
5
Requires a rigid clamping

!
6 Chamber
Reduce feed by 50-70%, maximum depth 3XD

! Convex
7 The radius of the penetration surface must be 4X the
CHAMIQDRILL head ØD. Short pre-hole is needed

! Concave
8
Spot facing operation is needed before drilling

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