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inch - korloy

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TPDB<br />

Application range<br />

High<br />

Low<br />

Machining precision<br />

TPDBA<br />

Ø0.394~<br />

Ø1.177<br />

WPDCA<br />

Ø0.984~Ø3.150<br />

KING DRILL<br />

<br />

<br />

Machining depth<br />

10<br />

8<br />

5<br />

3<br />

2<br />

TPDBA<br />

Ø0.394~<br />

Ø1.17<br />

WPDCA<br />

Ø0.984~Ø3.150<br />

KING DRILL<br />

Ø0.472~Ø3.93<br />

(Cartridge type :<br />

Ø2.402~Ø3.937)<br />

Ø0.394 Ø0.984 Ø1.969 Ø2.953 Ø3.937 Ø0.394 Ø0.984 Ø1.969 Ø2.953 Ø3.937<br />

Drill Dia.<br />

Drill Dia.<br />

Tools<br />

TPDBA<br />

KING DRILL<br />

WPDCA<br />

Application range<br />

Drill Dia. L/D Tolerance of drill Dia. Tolerance Surface finish of hole Material<br />

Ø0.394~Ø1.177<br />

Ø0.472~Ø3.937<br />

Ø0.984~Ø3.150<br />

~8D<br />

~5D<br />

~8D<br />

h7<br />

h12<br />

h12<br />

IT10<br />

-0.1~+0.3<br />

-0.1~+0.3<br />

Ra ~2.0<br />

Ra ~4.0<br />

Ra ~3.0<br />

P M K S H<br />

P M K N S H<br />

P M K N S H<br />

Economical indexable drill TPDB<br />

Drills<br />

Insert tool life<br />

Cutting depth(<strong>inch</strong>)<br />

Cutting performance<br />

1.181<br />

0.984<br />

0.787<br />

0.591<br />

0.394<br />

0.197<br />

0<br />

1.016 1.016<br />

TPDBA<br />

Equal<br />

tool life<br />

0.787<br />

Competitor A Competitor A<br />

• TPDBA<br />

1.016<strong>inch</strong><br />

Normal wear, Machinable.<br />

• Competitor A<br />

1.016<strong>inch</strong><br />

Fracture on cutting edge.<br />

• Competitor B<br />

0.787<strong>inch</strong><br />

<br />

• Workpiece : AISI4140<br />

• Cutting condition : vc(sfm)=331.5, fn(ipr)=0.0118<br />

ap(<strong>inch</strong>)=3.543(pass through), Wet<br />

• Designation : Insert TPD0787BA(PC5300)<br />

Holder TPDBA0787-100-5<br />

Notch wear, chipping.

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