Excellent shouldering with 3-corner insert RM3
Transcript of Excellent shouldering with 3-corner insert RM3
RM3Excellent shouldering with 3-corner insert
Rich Mill - Multifunctional Shouldering Milling Tool▣ Multi milling tool for best results in perpendicular shouldering
▣ High rake chipbreaker for high speed and high feed machining
▣ Strong clamping force for better stability
2 KORLOY TECH-NEWS
RM3
High quality True 90° shouldering operation High productivity Strong thick insert and 3-face clamping ensure stable operation even tough conditions
High economics Long tool life due to optimized manufacturing process
Features
Facing SlottingRamping PlungingShouldering Helical cutting
Application area
Strongerclamping
3-face clamping seat
Full flat bottom seat
90°
Excellent perpendicularity
Simple screw-on system
Features of cutter
Through coolant system*Longer tool life due to direct cooling distribution to cutting edge
Features of insert
Major cutting edgeHigh rakeSharpened edge
2-step clearanceStrong clampingRigidity improvement
MAX. ap XNKT12: 12.0mm XNKT08: 8.0mm XNKT06: 5.5mm
Chip breakerHigh rake angleSmooth chip flow
Step designGood chip evacuationLow cutting force
Minor cutting edgeWiper action for better surface finish
Available radius 0.4 - 3.0 mm
* Coolant bolt sold seperately.
Wide chip pocketExcellent chip evacuation
3RM3
Cutting Performance
Performance evaluation
Workpiece 42CrMo4 (200HB) Cutting conditions vc (m/min) = 250
fz (mm/t) = 0.1 ap (mm) = 3.0 Dry
Tool Insert XNKT080508PNSR-MM PC5300 Cutter RM3PCM4063HR-M Machine Vertical M/C
Workpiece 42CrMo4 (200HB) Cutting conditions vc (m/min) = 200
fz (mm/t) = 0.1 ap (mm) = 7.0×3 pass ae (mm) = 10.0 Dry
Tool Insert XNKT080508PNSR-MM PC5300 Cutter RM3PCM4063HR-M Machine Vertical M/C
1700
1650
1600
1550
1500
Cutt
ing
load
(N)
RM3 Comp. A Comp. B
1st pass
2nd pass
3rd pass
20
18
16
14
12
10
8
6
4
2
0
Total depth (mm)
Perpendicularity (µm)
30µm
-100 -50 0 50 100
Cutting edge Features
α°= 8°
ß°=5°
True positive clearance due
to high rake angle u
excellent machinability
Carbon steel (C45, HB200)
Alloy steel (42CrMo4, HB200)
RM3
RM3
RM3
RM3
Competitor
Competitor
Competitor
Competitor
122.8
49.1
2.5 timesincrease
1500 ea
1050 ea
1.4 timesincrease
3.9 min
9.8 min60%
reduction
1.81 µm
3.29 µm45%
increase
Cutting conditions
Tools
vc(m/min) = 270 / fz(mm/tooth) = 1.0 / ap(mm) = 3.0 x 8 pass ae (mm) = 5.0 / ShoulderingInsert XNKT08508PNSR-MM PC5300 / Holder RM3PCM4063HR-M
Cutting conditions
Tools
vc(m/min) = 250 / fz(mm/tooth) = 0.125 ap(mm) = Finishing: 0.5 / Roughing: 7.0 / FacingInsert XNKT080508PNSR-MM PC5300 / Holder RM3PCM4063HR-M
P
P
Chip removal rate (cm3/min)
Workpiece (ea)
Machining time (min)
Surface roughness (RMAX)
4 KORLOY TECH-NEWS
RM3
Cutting condition for slotting and shouldering
1200
400
50.10
vc (m
/min
)vc
(m/m
in)
0.
fz (mm/Z)
fz (mm/Z)
)
230
120
0.50.1
260
180
150
vc (m
/min
)
0.60.1
90
150
0.1 0.25fz (mm/Z)
270
180
150
0.60.1
vc(m
/min
)vc
( m/ m
in)
fz (mm/ZZ)
Shouldering (ap 3mm step. Ø63)
Stainlesssteel
fz (mm/Z)
Cast Iron Aluminum
Carbonsteel
Alloysteel
220
180
vc (m
/min
)
0.1 0.12
220
180
150
vc (m
/min
)
0.1 0.12
180
150
vc (
0.1 0.12
220
180
150
0.1 0.1 2 0 .15
m/m
in)
vc( m
/min
)
fz (mm/Z) fz (mm/Z)
Slotting (ap 3mm step. Ø63)
fz (mm/Z)
fz (mm/Z)
Stainlesssteel
Carbonsteel
Alloysteel
Mild steel
Mild steel
Insert Cutting-edge Features
Aluminum MA
MM
ML
MASuperior cutting quality for aluminum due to sharp cutting-edgeand buffed surface
LightML
MM
ML
MA
Superior cutting quality for light and light cutting, difficult-to-cut material machining through the low cutting load of chip breaker
GeneralMM MM
ML
MA
Suitable for various cutting due to special shape design for general cutting
Features of chip breakers
Workpiece
P M K N
Carbon steelAlloy steel
Stainless steel Cast iron Non-ferrousup to 40 HRC up to 60 HRC
Chipbreaker
First choice MM MM MM ML ML MA
Second choice ML ML ML - MM -
Grade
High speed machining PC3600 PC3600 - PC5300 PC6510
H01General machining PC5400 PC5300 PC2505
PC2510 PC5400 PC5300
Interrupted machining PC5400 PC5400 - PC5400 PC5400
Application guideline for grade
5RM3
Cutter
Designation Image A.A. Diameter range Insert ap
Application
Faci
ng
Shou
lder
ing
Slot
ting
Copy
ing
Ram
ping
. He
lical
RM3PCM3000
90°
Ø40 - Ø80 XNKT06 XNCT06 5.5 mm ● ● ● ● ●
RM3PCM4000 Ø40 - Ø125 XNKT08 XNCT08 8.0 mm ● ● ● ● ●
RM3PCM5000 Ø80 - Ø125 XNKT12 XNCT12 12.0 mm ● ● ● ● ●
Shank
Designation Image A.A. Diameter range Insert ap
Application
Faci
ng
Shou
lder
ing
Slot
ting
Copy
ing
Ram
ping
. He
lical
RM3PS3000
90°
Ø20 - Ø40 XNKT06 XNCT06 5.5 mm ● ● ● ● ●
RM3PS4000 Ø32 - Ø63 XNKT08 XNCT08 8.0 mm ● ● ● ● ●
Modular
Designation Image A.A. Diameter range Insert ap
Application
Faci
ng
Shou
lder
ing
Slot
ting
Copy
ing
Ram
ping
. He
lical
RM3PM3000
90°
Ø20 - Ø40 XNKT06 XNCT06 5.5 mm ● ● ● ● ●
RM3PM4000 Ø32 - Ø50 XNKT08 XNCT08 8.0 mm ● ● ● ● ●
HSK Arbor typeCarbide Shank typeSteel Shank type BT / SK Arbor type
Modular Adaptors
6 KORLOY TECH-NEWS
RM3
Notice
0 5 25mm
7RM3
20190426
TN61-EN-02
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