SCI 21-22 General Catalog

Chipbreaker for Hardened Steel Turning/Chipbreaker for Aluminum Alloy and Non-Ferrous Metal Turning EGH Hardened Steel / (R/L)AX / (R/L)AY Non-Ferrous Metal

NegativeInsertforMediumRoughing EGHChipbreaker

Negative Insert (R/L)AX Chipbreaker

· Ideal for external turning of non-ferrous metal when combined with carbide grade H1 · Achieves stable cutting over a wide cutting range thanks to a high-quality parallel ground breaker · Covers a wide variety of applications with a wide selection of tools (28 items)

„ Application Range

Note: The maximum depth of cut of SNGG is .1378inch

(R/L)AX

B

.16

· Enables medium roughing of hardened steel by combining with the AC503U coated grade · Reducesheatgenerationandenablesdeepcuts ( a p =.040 to .120”) in hardened steel thanks to a wide neutral ground breaker (rake angle = 4°) and sharp edge · Makes smooth chip evacuation possible

.12

.08

.04

0

.004 .008 .012 .016 .020

FeedRate f (IPR)

Performance

Back Force Feed Force Principal Force

Low Resistance

EGH Chipbreaker

.098”

C

30°

Cross Section of Chipbreaker

Without Chipbreaker Inserts

D

Positive Insert (R/L)AY Chipbreaker

0

200

400

600

800 1,000

R

Cutting force (N)

· Ideal for internal turning of non-ferrous metal when combined with carbide grade H1 · Providesexcellentmachinedsurfacequalityandchipcontrol with a high-quality ground breaker in finishing applications · Inadditiontoawideselection(56items),thisproductcanbe used in combination with the NAG 3D chipbreaker, covering a wide variety of applications

S

EGH Chipbreaker

Low wear even after cutting for 40 minutes

Stable chip shape

T

„ Application Range

Without Chipbreaker Inserts

3D Chipbreaker

NAG

.16

V

.12

(R/L)AY

After cutting for 20 minutes Large amount of wear

.08

Part Material: D1 Tool Steel (61HRC) Insert: TNGG331EGH-AC503U Cutting Conditions: v c = 164 SFM, f = .0020 IPR, a p = .1181” Dry

W

.04

0

.004 .008 .012 .016 .020

„ Recommended Cutting Conditions

FeedRate f (IPR)

Part Material: Hardened steel (50-62HRC), SKD11, SKD61, SKH51, high-speed steel powder, high-speed steel

Feed Rate Depth of Cut Recommended Chipbreaker f (IPR) (inch) a p

Cutting Speed v c (SFM)

Process

.098” 15°

Without Chipbreaker Inserts

130 to 330 .0008 to .0040

< .040

Finishing

Medium Roughing

.0008 to .0020 65 to 200

.040 to .120

EGH

Cross Section of Chipbreaker

For hardened steel (50 to 62HRC)

B18

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