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FixRMill (new design)

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Radius cutter for profile milling of complex parts

Upgraded FixRMill round insert copy mill with unique anti-rotation system

Applications & Features

Applications

Shoulder milling RFace millingSlotting RPocketingRampingProfilingPlungingHole enlarging

Features

1. Accurate and secure clamping

  • The anti-rotation system securely keeps the inserts locked in place and prevents them from moving in the pockets during machining, ensuring tool reliability and accurate indexing over various applications.

  • High productive cutter with close pitch design

Inserts per diameter density comparisons: FixRMill vs conventional round insert cutter

Tool diameter
DCX (mm)
Close pitched		 Conventional
round insert cutter
ø50 6 5
ø63 7 6

2. Two types of inserts

  • Both inserts can be clamped in the same pocket
  • Inserts can be selected based on the required depth of cut for best cost per edge

RQMT1204ENC8-MM

Allows up to 8 indexes for 1.4 mm or smaller D.O.C. and up to 4 indexes for up to 6 mm D.O.C.

RQMT1204ENC6-MM

Allows up to 6 indexes for 2.6 mm or smaller D.O.C. and up to 3 indexes for up to 6 mm D.O.C.

Inserts & Grades

Inserts

RQMT-MM

Grades

AH3135

 

  • High fracture resistance
  • Suitable for machining steel and stainless steel under general cutting conditions

AH8015

  • Good balance between wear and fracture resistance
  • First choice for machining heat-resistant alloy under general cutting conditions

Cutter bodies

Shank Type

ERRQ (ø32 – ø40mm)

Radius endmill with anti-rotation system, shank type

Bore Type

TRRQ (ø40 – ø80mm)

Radius mill with anti-rotation system

Modular Type

HRRQ (ø32 – ø40mm)

Radius endmill with anti-rotation system, modular type (TungFlex)

Practical examples

Example #1
Part: Mold
Material: S45C / C45
Cutter: TRRQ12M050B22.0R05 (DCX = 50 mm, CICT = 5)
Insert: RQMT1204ENC8-MM
Grade: AH3135
Cutting conditions: Vc = 125 (m/min)
fz = 1.25 (mm/t)
ap = 0.5 (mm)
ae = 50 (mm)
Application: Profiling
Coolant: Air
Machine: Vertical M/C, BT50

The competitor’s cutter resulted in edge chipping and could not complete the machining of one workpiece.
FixRMill demonstrated no edge chipping and completed one workpiece thanks to its tough AH3135 grade inserts.

Example #2
Part: Generator part
Material: SUS304 / X5CrNi18-9
Cutter: TRRQ12M050B22.0R06 (DCX = 50 mm, CICT = 6)
Insert: RQMT1204ENC8-MM
Grade: AH3135
Cutting conditions: Vc = 75 (m/min)
fz = 0.3 (mm/t)
ap = 1 (mm)
ae = 3 (mm)
Application: Profiling
Coolant: Air
Machine: Vertical M/C, HSK100

Due to a long overhang setup of 4xD and insecure anti-rotation feature, the competitor’s cutter allowed the inserts to rotate during machining, yielding damage to the insert pockets and short cutter tool life.
FixRMill prevented insert rotation thanks to its anti-rotation system, providing the cutter with security and long tool life.

Standard cutting conditions

ISO Workpiece materials Hardness Grades Cutting speed
Vc (m/min)		 Feed per tooth fz (mm/t)
RQMT10… RQMT12… RQMT16…
Low carbon steel
S15C, etc.
C15E4, etc.		 – 200HB AH3135 100 – 300 ap = 5 mm : 0.1 – 0.3
ap = 2 mm : 0.15 – 0.6
ap = 1 mm : 0.2 – 0.8		 ap = 6 mm : 0.1 – 0.3
ap = 2 mm : 0.15 – 0.6
ap = 1 mm : 0.2 – 0.8		 ap = 8 mm : 0.1 – 0.3
ap = 2 mm : 0.15 – 0.7
ap = 1 mm : 0.2 – 1
Carbon steel and alloy steel
S55C, SCM440, etc.
C55, 42CrMo4, etc.		 – 300HB AH3135 100 – 250
Prehardened steel
NAK80, PX5, etc.		 30 – 40HRC AH3135 100 – 200
Austenitic stainless steel
SUS304, SUS316, etc.
X5CrNi18-9, X5CrNiMo17-12-3, etc.		 – 200HB AH3135 100 – 200 ap = 5 mm : 0.1 – 0.25
ap = 2 mm : 0.15 – 0.5
ap = 1 mm : 0.2 – 0.65		 ap = 6 mm : 0.1 – 0.25
ap = 2 mm : 0.15 – 0.5
ap = 1 mm : 0.2 – 0.65		 ap = 8 mm : 0.1 – 0.25
ap = 2 mm : 0.15 – 0.55
ap = 1 mm : 0.2 – 0.8
Martensitic stainless steel
SUS420J1, etc.
X20Cr13, etc.		 – 200HB AH3135 100 – 300
Grey cast iron
FC250, etc.
250, etc.		 150 – 250HB AH8015 100 – 300 ap = 5 mm : 0.1 – 0.3
ap = 2 mm : 0.15 – 0.6
ap = 1 mm : 0.2 – 0.8		 ap = 6 mm : 0.1 – 0.3
ap = 2 mm : 0.15 – 0.6
ap = 1 mm : 0.2 – 0.8		 ap = 8 mm : 0.1 – 0.3
ap = 2 mm : 0.15 – 0.7
ap = 1 mm : 0.2 – 1
Ductile cast iron
FCD400, FCD600, etc.
400-15S, 600-3, etc.		 150 – 250HB AH8015 80 – 250
Titanium alloys
Ti-6AI-4V, etc.		 – AH3135 30 – 60 ap = 5 mm : 0.08 – 0.2
ap = 2 mm : 0.12 – 0.4
ap = 1 mm : 0.15 – 0.6		 ap = 6 mm : 0.08 – 0.2
ap = 2 mm : 0.12 – 0.4
ap = 1 mm : 0.15 – 0.6		 ap = 8 mm : 0.08 – 0.2
ap = 2 mm : 0.1 – 0.2
ap = 1 mm : 0.15 – 0.8
Heat-resistant alloys
Inconel718, etc.		 – AH8015 20 – 50 ap = 5 mm : 0.05 – 0.12
ap = 2 mm : 0.08 – 0.25
ap = 1 mm : 0.1 – 0.3		 ap = 6 mm : 0.05 – 0.12
ap = 2 mm : 0.08 – 0.25
ap = 1 mm : 0.1 – 0.3		 ap = 8 mm : 0.05 – 0.12
ap = 2 mm : 0.06 – 0.3
ap = 1 mm : 0.08 – 0.4
Hardened steel SKD61, etc.
X40CrMoV5-1, etc.		 40 – 50HRC AH3135 50 – 150 ap = 5 mm : 0.05 – 0.12
ap = 2 mm : 0.08 – 0.25
ap = 1 mm : 0.1 – 0.3		 ap = 5 mm : 0.05 – 0.12
ap = 2 mm : 0.08 – 0.25
ap = 1 mm : 0.1 – 0.3		 ap = 5 mm : 0.05 – 0.12
ap = 2 mm : 0.08 – 0.25
ap = 1 mm : 0.1 – 0.3
SKD11, etc.
X153CrMoV12, etc.		 50 – 60HRC AH8015 50 – 70 ap = 5 mm : 0.03 – 0.1
ap = 2 mm : 0.05 – 0.12
ap = 1 mm : 0.05 – 0.15		 ap = 5 mm : 0.03 – 0.1
ap = 2 mm : 0.05 – 0.12
ap = 1 mm : 0.05 – 0.15		 ap = 5 mm : 0.03 – 0.1
ap = 2 mm : 0.05 – 0.12
ap = 1 mm : 0.05 – 0.15

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