Каталог Sumitomo твердосплавные пластины - страница 16

Chipbreaker for Hardened Steel Turning Chipbreakers for Aluminum Alloy and Non-Ferrous Metal Turning

GH H AX / AY N

Type Type Type

Hardened steel Non-ferrous metal

Negative Insert for General Purpose GH Type Chipbreaker

B

• Enables medium roughing of hardened steel in combination with coating grade AC503U.
• Reduces heat generation and enables deep cutting (a = 1 to 3 mm) of

C p hardened steel by using a wide neutral ground chipbreaker (rake angle: 4 ) and sharp edge.

• Discharges chips smoothly.

D

Performance

R

Back force Feed force Principal force

Negative Insert AX Type Chipbreaker

• Best suited for external turning of non-ferrous metal in combination with carbide grade H1.
• Achieves stable chip control by using a high quality parallel ground chipbreaker.
• Supports a wide range of applications by offering the extensive product lines (28 types).

■ Application Range AX Note: The maximum cutting depth type for SNGG is 3.5 mm. 4

3 2 1

0 0.1 0.2 0.3 0.4 0.5

Feed rate (mm/rev)

GH Type S

Low cutting Low cutting Low cutting

forceforceforce

T Without chipbreaker

0 200 400 600 800 1,000

V Cutting Force (N)

W GH Type

Only minor wear occurred Stable chip forming after 40 minute cutting

Without chipbreaker

Major wear occurred after 20 minute cutting Work material: SKD11 (61HRC) Insert: TNGG160404N-GH（AC503U） Cutting conditions: v =50m/min f=0.05mm/rev a =3mm Dry c p

Recommended Cutting Conditions Work material: Hardened steel (50 to 62HRC), SKD11, SKD61, SKH51, High-speed steel powder and High-speed steel

2.5 30°

Cross-section of chipbreaker

Positive Insert AY Type Chipbreaker

Best suited for internal turning of non-ferrous metal in combination with carbide grade H1.

• Achieves a high quality surface finish and excellent chip control by using a high quality ground chipbreaker. Supports a wide range of applications by offering the extensive product lines and in combination with the 3D chipbreaker AG type.

Application Range 3D AG type 4 Chipbreaker 3 AY type 2

1

0 0.1 0.2 0.3 0.4 0.5

Feed rate (mm/rev)

2.5

Cross-section of