Drilling Product Catalog

DRILLING | 4TEX® Drill: Indexable Carbide Insert Drilling System

Troubleshooting

Starting on Uneven Surfaces • Reduce entry feed by 50% if necessary.

1.

Starting on Angled Surfaces • Reduce entry feed by 20 - 50%. • Use lower rake geometry if insert chipping occurs.

2.

Angled Bore Exit • Reduce entry feed by 50% on breakout. • Use tough insert and stable corner radius.

3.

Starting on Convex Surfaces • Reduce entry feed by 50%. • Use lower rake geometry if insert chipping occurs.

4.

Drilling Through a Cross Hole • Reduce feed rate 50% if necessary.

5.

• Use good coolant flow and monitor chip packing. • Use lower rake geometry if insert chipping occurs.

Drilling on a Groove or Large Centering Box • Reduce entry feed. • Use lower rake geometry for center insert.

6.

A55

Chain Drilling • Use good coolant flow. • Reduce feed rate by 50% for interrupted cut. • Use lower rake geometry if insert chipping occurs.

7.

Starting on an Edge • Reduce entry feed rate by 50%. • Use lower rake geometry if insert chipping occurs.

8.

Starting on a Welded Seam • Reduce entry feed rate by 50%. • Use lower rake geometry if insert chipping occurs.

9.

Drilling Through Stacked Plates • Not recommended.

10.

Opening an Existing Hole • Use flood coolant.

11.

Adjustable • For mills, use eccentric sleeve with end mill holder. • For lathes, use x-axis to adjust offset Ø. NOTE: Refer to maximum offset Ø in data tables.

12.

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A55: 38