MITSUBISHI MATERIALS CORPORATION
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SINTERED DIAMOND PCD GRADE MD220

  • Suitable for materials such as aluminium alloy, non-ferrous
    metals, and fiber strengthened plastic.
  • Suitable for extremely high speed finishing.
 MD220
  Micro-Structure of MD220

RECOMMENDED CUTTING CONDITIONS
TURNING
Workpiece Recommended Cutting Condition
Recommended Cutting Speed
(m/min)		 Feed
(mm/rev)		 Depth of Cut
(mm)
Aluminium 1000
(200-1500)		 -0.2 -3.0
Aluminium Alloy (Si 16%) 800
(200-1200)		 -0.2 -3.0
Aluminium Alloy (Si 16%) 600
(200-1000)		 -0.2 -3.0
Copper Alloy 700
(200-1200)		 -0.2 -3.0
Strengthened Plastic 600
(100-1000)		 -0.4 -2.0
Glass Fiber Reinforced Plastic 500
(100-800)		 -0.25
 -2.0
Carbon 400
(100-600)		 -0.3
 -2.0
Ceramics 50
(30-80)		 -0.1 -2.0
Hard Rubber 600
(300-800)		 -0.15 -1.0
Wood Inorganic Board 1300
(300-4000)		 -0.4 -
Cemented Carbide 15
(5-20)		 -0.2 -0.5

(Note.1):1st recommendation. :2nd recommendation.
(Note.2) Not suitable for steel.

CUTTING PERFORMANCE
CUTTING PERFORMANCE
<Cutting Conditions>
Workpiece : High Si Aluminium Alloy
Tool : P11R,SPGN120308
vc=200m/min
ap=1.5mm
f=0.15mm/rev
Coolant : W.S.O