Coated Carbide Drills for Steel & Cast Iron MDH Series
¢ Application Examples
4320 Alloy Steel Tool Holder
Sumitomo Conventional Tool
Steel 52100 Tooling Component
Sumitomo Conventional Tool
Q
Q
Tool
Tool
MDH1030S12H08
MDH0950S10H05
Lathe
Lathe (Hole drilling depth: 2.000” )
Diameter ( mm )
Diameter ( mm )
ø10.3
ø10.3
ø9.5
ø9.5
L/D
L/D
8
8
5
5
vc (SFM)
vc (SFM)
265
265
330
300
f (IPR)
f (IPR)
.0177
.0138
.0118
.0059
Wet (Water-soluble, Internal Coolant Supply)
Wet (Water-soluble, Internal Coolant Supply)
Wet (Oil-based, Internal Coolant Supply)
Wet (Oil-based, Internal Coolant Supply)
Coolant
Coolant
0 1,000 2,000 3,000 4,000
2,500
2,000
1,500
Approx. 1.3 times the efficiency and 1.35 times the tool life of conventional tools
Twice the efficiency and at least twice the tool life of conventional tools
1,000
Results
Results
500
0
MDH series Conventional Tool
MDH series Conventional Tool
Steel 4135 Ring Gear Vertical Machining Center
Sumitomo Conventional Tool
Steel 52100 Automotive Component
Sumitomo Conventional Tool
Q
Q
Tool
Tool
MDH1350S14H05
MDH0470S06H05
Multi-spindle Lathe
Diameter ( mm )
Diameter ( mm )
ø13.5
ø13.5
ø4.7
ø4.7
L/D
L/D
5
5
5
5
vc (SFM)
vc (SFM)
300
300
105
105
f (IPR)
f (IPR)
.0157
.0079
.0118
.0047
Wet (Internal Coolant Supply)
Wet (Internal Coolant Supply)
Wet (Internal Coolant Supply)
Wet (Internal Coolant Supply)
Coolant
Coolant
Twice the efficiency and tool life of conventional tools
2.5 times the efficiency of conventional tools
Results
Results
After drilling 240 holes
Cast Iron FC200 Housing
Sumitomo Conventional Tool
Gray Cast Iron Housing Vertical Machining Center
Sumitomo Conventional Tool
Q
Tool
Tool
Horizontal Machining Center BT50
MDH1110S12H08 HSS Drills
MDH0870S10H05
Diameter ( mm )
Diameter ( mm )
ø11.1
ø11.1
ø8.7
ø8.7
L/D
L/D
8
8
5
5
Q Q
vc (SFM)
vc (SFM)
265
280
280
f (IPR)
f (IPR)
.0197
.0157
.0079
Wet (Water-soluble, Internal Coolant Supply)
Wet (Water-soluble, Internal Coolant Supply)
Wet (Water-soluble, Internal Coolant Supply)
Wet (Water-soluble, Internal Coolant Supply)
600
Coolant
Coolant
400
High feed drilling is possible on a horizontal machining center, with 8D specifications (Conventional 11.1mm drill used for pilot hole)
Twice the efficiency and 2.5 times the tool life of competitors’ products
200
Results
Results
0
After drilling for 150 minutes
MDH series Conventional Tool
Gray Cast Iron Industrial Machine Component
Sumitomo Conventional Tool
Q
Tool
Horizontal Machining Center BT50
MDH0510S06H05
Diameter ( mm )
ø5.1
ø5.1
L/D
5
5
vc (SFM)
230
230
f (IPR)
.0118
.0079
Wet (Water-soluble, External Coolant Supply)
Wet (Water-soluble, External Coolant Supply)
Coolant
1.5 times the efficiency of conventional tools with the same tool life
Results
After drilling 5,100 holes
MDH P roduct P age
Sumitomo Electric Carbide, Inc. Headquarters
Sumitomo Carbide Canada, Inc. 150 Research Lane Unit #210 Guelph, Ontario N1G 4T2 Phone: (519) 265-6050 Phone: (844) 211-6050
Michigan Branch 26800 Meadowbrook Suite 120 Novi, MI 48377
Phone: (847) 635-0044 Fax: (847) 635-9335 www.sumicarbide.com
1001 Business Center Drive Mount Prospect, IL 60056
Sumitomo Electric Tool Engineering Center 5637 S. Westridge Drive New Berlin, WI 53151
Indiana Branch 595 S. Emerson Avenue Suite 100 Greenwood, IN 46143
CAT.MDHBROCHURE.8/25
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