Steel

■■ Application Guide Application Guide

GUGU

1st Recommended Grade Type Chipbreaker

AC8025PAC8025P0.252.05
25°
1st
Recommended

Chipbreakers for High-efficiency Machining Main Chipbreakers Strong Cutting Edge Chipbreakers A

FEFE SESE SUSU 1.3 SX SX

Type Type 1.40 Type Type 1.5 Type Type TypeType 1.35

Finishing to Shallow0.700.113°0.215°
Depth of Cut17°
20°
GEGE2.0GUGU2.05UX UX 2.0

Type Type Type Type 0.25 TypeType 0.25

General-purpose0.2525°15°
23°
1st Recommended
MEME2.4MUMU2.5MXMX2.3

Roughing to Large Type Type 0.3 Type Type 0.3 Type Type 0.4

20° 0.2 20

Depth of Cut ° 4° 4 ° -15°

Flank Wear Crater Wear Chipping Breakage

Better Wear ResistanceAC8015PAC8015P Better ToughnessAC8035PAC8035P

High-speed Interrupted Machining Machining

GUGU 2.05 GU GU 2.05

To improve Type Type0.25To improveTypeType0.25
tool life25°tool life25°
GEGE2.0UX UX 2.0
To improve Type TypeTo improveTypeType0.25
0.2515°
machining efficiency23°machining stability
Recommended Cutting Conditions
Steel(Red text indicates 1st recommendation)
CuttingCutting Conditions

Work Material Chipbreaker Grade Min. - Optimum - Max.

Process Depth of Cut a (mm) Feed Rate f (mm/rev) Cutting Speed v (m/min)

p c

(Red textindicates 1st recommendation)
Work MaterialCuttingChipbreakerGradeCuttingConditionsMin. -Optimum- Max.
ProcessDepth of Cutap(mm)Feed Ratef(mm/rev)Cutting Speedvc(m/min)
Fine FinishingFBT1500Z0.2-0.6-1.00.05-0.15-0.25100-250-400
Mild SteelFinishingFEAC8015P0.5-1.0-1.50.1-0.25-0.4260-350-440
(SS400 and others)MediumGUAC8025P1.0-2.5-4.00.2-0.35-0.5200-260-320
RoughMUAC8035P1.5-4.0-6.00.3-0.45-0.6140-180-220
Carbon SteelFine FinishingFBT1500Z0.2-0.6-1.00.05-0.15-0.25100-200-300
FinishingFEAC8015P0.5-1.0-1.50.1-0.25-0.4210-285-360
Alloy SteelMediumGUAC8025P1.0-2.5-4.00.2-0.35-0.5150-190-230
(S45C, SCM435, and others)RoughMUAC8035P1.5-4.0-6.00.3-0.45-0.6110-135-160
Hd StlFine FinishingFBT1500Z0.2-0.6-1.00.05-0.15-0.2550-150-250
ar eeFinishingFEAC8015P0.5-1.0-1.50.1-0.25-0.4170-235-300
Alloy Steel SCM440H d hMediumGUAC8025P1.0-2.5-4.00.2-0.35-0.5130-165-200
( an oters)RoughMUAC8035P1.5-4.0-6.00.3-0.45-0.690-120-150