Solid Carbide Drilling for Stainless Steel MDM Series
D Narrow margin and large back taper
Reduces heat generation and work hardening!
Reduced contact area on the margin. Reduces work hardening leads to longer tool life in Reaming & Tapping Applications
Back taper
Back taper
Back taper
Back taper
MDM
MDM
Conventional
Conventional
Small contact area at margin
Small contact area at margin
Large contact area at margin
Large contact area at margin
Chips curl inwards and break
MDM series Chips extend upwards
Competitor A MDM High Quality Edge ensures Long Tool Life: Sharp blade design for low cutting forces and excellent chip control.
Part Material: 304 Stainless Steel Machine: BT30 vertical M/C Tool: MDM0400S04H05 ( ø4.0 mm × 5D) Cutting Conditions: vc= 265 SFM, f= .0039 IPR Internal Coolant Supply (Water Soluble)
D Suppresses work hardening on the inner edge of the hole Reducing the cutting load not only reduces damage to the drill, but also contributes to long life of reamers and taps used in post processing
Top of hole
400
MDM Competitor B
Measuring position
350
300
250
Bottom of hole
200
150
0 .001 .002 .004 .006 .008 .012 .016 .020 .030 .040 Distance from inner edge of hole (Inch)
Part Material: 304 Stainless Steel, Machine: BT30 vertical M/C Tool: MDM0800S08H05 ( ø8.0 mm × 5D) Cutting Conditions: vc= 265 SFM, f= .0079 IPR H= 1.57” (through hole) Internal Coolant Supply (Water Soluble)
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