PCD (SINTERED DIAMOND)
a Suitable for materials such as aluminum alloy,
non-ferrous metals, and fibre strengthened plastic.
a Suitable for extremely high speed finishing.

B
FEATURES


CBN & PCD TURNING INSERTS
MD205
Wear Resistance


Grade Features
.984 μinch
For Continuous Cutting
MD220 MD205 Coarse grain diamond particles are sintered and wear resistance is
excellent. Use when wear resistance with MD220 is insufficient.
.394 μinch
Materials for General Machining
MD230 Sintered medium grain diamond particles. Wear resistance and fracture
.079 μinch MD220 resistance are superbly balanced. Applicable to general finishing of
MD2030 non-ferrous metals, non-metal cutting, and similar machining.
<.039 μinch
For Interrupted Cutting
Fine grain diamond particles are used. Fracture resistance and
MD230 cutting edge sharpness are excellent. Use when fracture and a high
quality finished surface is demanded with MD220.
Fracture Resistance For Heavy Interrupted Cutting
MD2030 Strong sintering of ultra micro-grain PCD particles provides exceptional
fracture resistance. Chipping during high-speed finish turning can be
controlled.


y SELECTION STANDARD
TURNING
Recommended Grade Recommended Cutting Conditions
Work Material
MD205 MD220 MD2030 Cutting Speed vc (SFM) Feed f (IPR) Depth of Cut ap (inch)
Aluminum Alloy (Si < 12%) e u 2625 (655 ─ 3935) ─ .008 ─ .039
Aluminum Alloy (Si >13%) e u 1970 (655 ─ 3280) ─ .008 ─ .039
Copper Alloy e 2295 (655 ─ 3935) ─ .008 ─ .039
Strengthened Plastic e 1970 (330 ─ 3280) ─ .016 ─ .039
Glass Fibre Reinforced Plastic e 1640 (330 ─ 2625) ─ .010 ─ .039
Carbon u e 1310 (330 ─ 1970) ─ .012 ─ .039
Ceramics u 165 (100 ─ 260) ─ .004 ─ .039
Hard Rubber e 1970 (985 ─ 2625) ─ .006 ─ .039
Wood Inorganic Board e 4265 (985 ─ 13120) ─ .016 ─
Cemented Carbide e u 50 (15 ─ 65) ─ .008 ─ .020
Note1) e : 1st recommendation. u : 2nd recommendation
Note2) Not suitable for steel.

y NEW PETIT CUT INSERT SERIES
a Economical L
 ow cost is achieved by reducing the area of the diamond sintered body. In addition, tool management is
economical because regrinding is unnecessary.
a With Breaker Chip breaker formed directly on the PCD portion delivers superior chip control.
a Corner R.002" inserts are available, making it suitable for the machining of small work corner radii.


B021