MITSUBISHI MATERIALS CORPORATION
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SINTERED DIAMOND PCD GRADE MD220

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

RECOMMENDED CUTTING CONDITIONS
TURNING
Work Material 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
 
NEW PETIT CUT INSERT SERIES
FEATURES
  • Economical The small PCD tip delivers long tool life. Eliminates the need for regrinding, making tool management easier and economical.
  • With Breaker Chip breaker formed directly on the PCD portion delivers superior chip control.
  • Corner R0.05 inserts are available, making it suitable for the machining of small work corner radii.
CUTTING PERFORMANCE
Chips when using a chip breaker
image
Chips made when no chip breaker used
image
<Cutting Conditions>
Workpiece:
Aluminium alloy
Cutting Speed:
340m/min
Feed:
0.1mm/rev
Depth of Cut:
0.1mm
Dry Cutting
 

graph
<Cutting Conditions>
Workpiece:
Aluminium alloy
Cutting Speed:
400m/min
Wet Cutting: