DoRec

product_Milling_DoRec

Shoulder milling cutter with strong and smooth cutting edges

Optimized cutting edge integrity for maximum productivity and tool reliability

Applications & Features

SlottingSlotting RShoulder millingShoulder milling RSide millingRampingHole enlarging

1. Broad range of economical double-sided inserts with 4 edges

2. 2 types inserts are available

• LQMU11-E-MJ for 3D machining
• LQMU11/18-MJ for general shoulder milling

 

3. Superior cutting edge integrity

4. Higher feed-per-tooth capability

Inserts & Grades

Inserts

LQMU11-X

  • Maximum depth of cut = 9 mm
  • Unique clearance design enables 3D milling

LQMU11/18-MJ

  • Maximum depth of cut
    – LQMU11-MJ: 9 mm
    – LQMU18-MJ: 16 mm
  • Universal geometry for superior surface finish

LQMU18-ML

  • Maximum depth of cut = 16 mm
  • Light cutting geometry
Main Grades

AH3225

  • Good balance between wear and fracture resistance
  • Suitable for steel and stainless steel

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

T1215

  • Good balance between wear and chipping resistance
  • Suitable for milling cast iron

AH120

 

  • Good balance between wear and fracture resistance
  • Suitable for machining steel, stainless steel, and cast iron under general cutting conditions

AH140

  • High fracture resistance
  • Suitable for milling stainless steel

AH725

  • Good balance between wear and chipping resistance
  • Suitable for machining steel and stainless steel under general cutting conditions

Cutter bodies

Shank Type

EPQ11/18 (ø25 – ø80 mm)

Cylindrical type holder for shoulder milling

Bore Type

TPQ11/18 (ø40 – ø160 mm)

Bore type for shoulder milling

Practical examples

Part: Flange sheet
Material: Martensitic stainless steel
Cutter: TPQ11R080M27.0E10 (ø80, z = 10)
Insert: LQMU110708PXER-MJ
Grade: AH3135
Cutting conditions: Vc = 180 (m/min)
fz = 0.15 (mm/t)
Vf = 1074 (mm/min)
ap = 1.0 (at 1.0 mm helix pitch) (mm)
ae = 50 (mm)
Application: Hole enlargement by helical interpolation
Coolant: Dry
Machine: Vertical M/C, BT50
Part: Machine parts
Material: S55C / C55
Cutter: TPQ11R050M22.0E06 (ø50, z = 6)
Insert: LQMU110708PXER-MJ
Grade: AH3135
Cutting conditions: Vc = 180 (m/min)
fz = 0.15 (mm/t)
Vf = 1035 (mm/min)
ap = 9 (competitor’s ap = 8) (mm)
ae = 26 (mm)
Application: Shoulder milling
Coolant: External supply
Machine: Vertical M/C, BT50
Part: Base plate
Material: SS400 / E275A
Cutter: TPQ11R040M16.0E04 (ø40, z = 4)
Insert: LQMU110708PXER-MJ
Grade: AH120
Cutting conditions: Vc = 176 (m/min)
fz = 0.15(Competitor: fz = 0.12) (mm/t)
Vf = 860(Competitor: Vf = 720) (mm/min)
ap = 4 (0.38ºramp approach) (mm)
ae = 10 (mm)
Application: Hole enlargement, helical interpolation
Coolant: External supply
Machine: Vertical M/C, BT50

Standard cutting conditions

LQMU11-PXER-MJ
ISO Workpiece material Hardness Grade Cutting speed
Vc (m/min)
Feed per tooth
fz (mm/t)
Low carbon steel
S15C, C15E, etc.
– 200 HB AH3135 100 – 250 0.1 – 0.25
Alloy steel
S55C, C55, etc.
– 300 HB AH3135 100 – 230 0.1 – 0.2
Prehardened steel
NAK80, PX5, etc.
30 – 40 HRC AH3135 100 – 230 0.1 – 0.2
Stainless steel
SUS304, etc.
X5CrNi18-9, etc.
AH3135 90 – 180 0.1 – 0.25
Grey cast iron
FC250, 250, etc.
150 – 250 HB AH120 140 – 250 0.1 – 0.25
Ductile cast iron
FCD400, 450-10S, etc.
150 – 250 HB AH120 110 – 200 0.1 – 0.25
Titanium alloys
Ti-6AI-4V, etc.
AH120 30 – 60 0.08 – 0.2
Superalloys
Inconel 718, etc.
AH120 20 – 50 0.06 – 0.1
Hardened steel SKD61, etc. 40 – 50 HRC AH120 45 – 70 0.08 – 0.15
SKD11, etc. 50 – 60 HRC AH120 40 – 65 0.06 – 0.1
LQMU11-PNER-MJ
ISO Workpiece material Hardness Grade Cutting speed
Vc (m/min)
Feed per tooth
fz (mm/t)
Low carbon steel
S15C, C15E, etc.
– 200 HB AH725 100 – 250 0.1 – 0.25
High carbon steel
S45C, S55C, etc.
C45, C55, etc.
200 – 300 HB AH725 100 – 230 0.1 – 0.2
Alloy steel
XCM440, SCr415, etc.
42CrMo4, etc.
150 – 300 HB AH725 100 – 230 0.1 – 0.2
Tool steel
D2, X153CrMoV12, etc.
– 300 HB AH725 100 – 180 0.1 – 0.2
Stainless steel
SUS304, etc.
X5CrNi18-9, etc.
AH140 90 – 180 0.1 – 0.25
Grey cast iron
FC250, 250, etc.
150 – 250 HB AH120 140 – 250 0.1 – 0.25
Ductile cast iron
FCD400, 450-10S, etc.
150 – 250 HB AH120 110 – 200 0.1 – 0.25
Superalloys
Inconel 718, etc.
AH725 20 – 50 0.08 – 0.2
LQMU18
ISO Workpiece material Hardness Priority Chipbreaker Grade Cutting speed
Vc (m/min)
Feed per tooth
fz (mm/t)
Low carbon steel
S15C, C15E, etc.
– 200 HB First Choice MJ AH3225 100 – 250 0.1 – 0.25
Low cutting force ML AH3225 100 – 250 0.1 – 0.25
High carbon steel
S45C, S55C, etc.
C45, C55, etc.
200 – 300 HB First Choice MJ AH3225 100 – 230 0.1 – 0.2
Low cutting force ML AH3225 100 – 230 0.1 – 0.2
Alloy steel
SCM440, SCr415, etc.
42CrMo4, etc.
– 300 HB First Choice MJ AH3225 100 – 230 0.1 – 0.2
Low cutting force ML AH3225 100 – 230 0.1 – 0.2
Tool steel
SKD11, etc.
X153CrMoV12, etc.
30 – 40 HRC First Choice MJ AH3225 100 – 180 0.1 – 0.2
Low cutting force ML AH3225 100 – 180 0.1 – 0.2
Stainless steel
SUS304, etc.
X5CrNi18-9, etc.
– 200 HB First choice ML AH3135 90 – 180 0.1 – 0.25
Fracture resistance MJ AH3135 90 – 180 0.1 – 0.25
Grey cast iron
FC250, 250, etc.
150 – 250 HB First choice MJ AH8015 140 – 250 0.1 – 0.25
Low cutting force ML AH8015 140 – 250 0.1 – 0.25
Wear resistance MJ T1215 200 – 400 0.1 – 0.25
Ductile cast iron
FC400, 450-10S, etc.
150 – 250 HB First choice MJ AH8015 110 – 200 0.1 – 0.25
Low cutting force ML AH8015 110 – 200 0.1 – 0.25
Wear resistance MJ T1215 150 – 300 0.1 – 0.25
Titanium alloys
Ti-6AI-4V, etc.
First choice ML AH3135 30 – 60 0.08 – 0.2
Fracture resistance MJ AH3135 30 – 60 0.08 – 0.2
Superalloys
Inconel 718, etc.
First choice ML AH8015 20 – 50 0.06 – 0.15
Fracture resistance MJ AH8015 20 – 50 0.06 – 0.15
Hardened steel SKD61, etc.
X40CrMoV5-1, etc.
40 – 50 HRC First choice MJ AH8015 45 – 70 0.08 – 0.15
SKD11, etc.
X153CrMoV12, etc.
50 – 60 HRC First choice MJ AH8015 40 – 65 0.06 – 0.1

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