AMPC_EU-EN

DRILLING | T-A® Replaceable Insert Drilling System

A

Wear vs Toughness When selecƟng a grade of cuƫng tool material for your applicaƟon, both wear resistance and grade toughness should be considered. The greater the wear resistance a cuƫng tool material exhibits, the more likely chipping or fracture is to occur. This requires more rigid machining condiƟons. On the other hand, to effecƟvely machine some materials, cobalt or carbide grades of cuƫng tool material may be required. The graph will aid you in the selecƟon of a cuƫng tool material with the right combinaƟon of wear resistance and toughness to make your applicaƟon both efficient and cost-effecƟve.

DRILLING

AM300®

AM200®

TiN

B

TiAlN

TiCN

Increasing

BORING

Carbide (C3)

Carbide (C2 and C5) Carbide (C1)

Premium Cobalt (AM200®)

Super Cobalt (AM200®)

C

Premium Cobalt (TiAlN)

High Speed Steel (AM200®)

Super Cobalt (TiAlN)

REAMING

High Speed Steel (TiAlN)

Premium Cobalt (TiCN)

Wear Resistance

Super Cobalt (TiCN)

Premium Cobalt (TiN)

D

BURNISHING

High Speed Steel (TiCN)

Super Cobalt (TiN)

High Speed Steel (TiN)

Decreasing

Fracture Resistance

E

T-A System Guidelines for Use • Select the shortest holder possible for the applicaƟon • Ensure the T-A® holder is held securely and is within 0.08 mm (0.003") of centre line • The T-A insert should be installed in the slot of the holder using the TORX Plus screws provided. These should be Ɵghtened to the values listed on the T-A holder pages • The holder slot should be clean from dirt or debris • Check that the insert outer diameter is a minimum of 0.30 mm (0.012") larger than the holder body diameter • Use the recommended cuƫng data secƟon for guidance when selecƟng correct insert grades, along with speeds and feeds • NOTE: These cuƫng parameters are starƟng condiƟons only and make no allowance for machine or component rigidity

THREADING

X

SPECIALS

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