Section J 25-26

MultiDrill Series MDM Type

D Application Examples: Excellent Wear Resistance in Austenitic Stainless Machining Center

MDM

Comp. A

Edge breakage through adhesion

Comp. B

Edge breakage through adhesion

Part Material: 304 Stainless Steel, Machine: BT30 vertical M/C Tool: MDM0800S08H05 ( ø8.0 mm × 5D) Cutting Conditions: vc = 265 SFM,

Comp. C

Edge breakage through adhesion

0

65

130

195

260

325

390

J

Cutting distance (Feet)

f = .0079 IPR, H = 1.57” (through hole)

Internal Coolant Supply (Water Soluble)

Edge breakage through adhesion

MDM After machining 260 ft.

Comp. A After machining 260 ft.

Edge breakage through adhesion

Edge breakage through adhesion

Comp. B After machining 260 ft.

Comp. C After machining 130 ft.

Excellent Wear Resistance in Austenitic Stainless: Small Lathe

MDM

MDM

Part Material: 304 Stainless Steel, Machine: CNC Automatic Lathe (Workpiece rotation) Tool: MDM0540S06H03 ( ø5.4 mm × 3D) Cutting Conditions: vc = 155 SFM, f = .0047 IPR, H = 1.00” (blind hole) Internal Coolant Supply (Non-Water Soluble)

Edge breakage through adhesion

Comp. D

0

Cutting distance (Feet) 330 660

After machining 660 ft.

Excellent Wear Stability in Precipitation Hardening Stainless Steel

MDM

Part Material: 17-4PH (S17400) Stainless Steel, Machine: BT30 vertical M/C Tool: MDM0400S04H05 ( ø4 mm × 5D) Cutting Conditions: vc = 165 SFM,

Comp. E

Breakage

0

65

130

195

260

325

Cutting distance (Feet)

f = .0039 IPR, H = .55” (blind hole)

Internal Coolant Supply (Water Soluble)

Stabilized Wear

Large adhesion and flank wear

MDM After machining 260 ft.

Comp. E After machining 260 ft.

RX thinning reduces cutting force in Duplex Stainless Steel

MDM

Comp. F

Damage to the center portion

0

16

Cutting distance (Feet) 32 48

64

Part Material: 25% chromium duplex ferritic-austenitic stainless steel Machine: BT30 vertical M/C Tool: MDM 0800S05H05 ( ø8 mm × 5D) Cutting Conditions: vc = 200 SFM,

MDM After machining 52 feet

Comp. F After machining 16 feet

Damage

f = .0079 IPR, H = 1.18” (through hole)

Internal Coolant Supply (Water Soluble)

J35

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