MultiDrill Series MDM Type
● New cutting edge design that emphasises sharpness for good chip control
● Narrow margin and large back taper Reducing the contact area with the workpiece, suppressing temperature rise at the margin
MDM Type
Competitor's Product A
Back Taper
Back Taper
J
Smaller surface in contact with margin
Larger surface in contact with margin
MDM Type
Competitor's Product A
MDM Type
Part Material
: 304 Stianless Steel
Machine
: BT30 vertical machining centre
Tool : MDM 0400S04H05 (ø4.0mmx5D) Cutting Conditions : v c =262 SFM, f =0.004 IPR, internal coolant supply (water soluble)
● Suppressing work hardening on drilled hole wall Reduces cutting load, reducing damage to the drill and increasing the life of the reamer and tap used in post-processing
Hole entrance
400
Measurement position
MDM Type
350
Competitor's Product B
300
250
Part Material
: 304 Stainless Steel
Base of hole
Machine
: BT30 vertical machining center
200
Tool : MDM 0800S08H05 (ø8.0mmx5D) Cutting Conditions : v c =262 SFM, f =0.008 IPR, H =1.57" (through), internal coolant supply (water soluble)
150
0 .0001 .002 .004 .006 .008 .012 .016 .020 .030 .040 Distance from inner wall of hole (inch)
● New grades ideal for stainless steel and exotic alloy drilling
HX Type
High
ACT70
GS / HGS Type
· · · Efficiency · Thrust
MDM Type
Super multi-layered TiAlCrSi Coating Hardness (HV): 46GPa
High-speed steel powder drill
● NX Coating
Low
Oxidisation Starting Temperature: 1,100 ° C
Made with Absotech TM technology for high quality, high hardness, high strength and excellent wear resistance and thermal resistance.
Carbon Steel
Stainless Steel Exotic Alloy Alloy Steel
Die steel Cast Iron Strong-edge Type
Sharper Edge
Highly Adhesive Layer
● New coating reduces margin wear
● Reduces thrust for stable drilling from the entrance to the exit of the hole
MDM Type
Competitor's Product
Conventional Tool
MDM Type
1,200 1,600 2,000 2,400 2,800
0 400 800
Stable
Unstable at entrance of hole
Part Material
: 304 Stainless Steel, Machine: BT30 vertical machining center
Work Material
: SUS304, Machine: BT30 vertical machining centre
Tool : MDM 0800S08H05 (ø8.0mmx5D) Cutting Conditions : v c =262 SFM, f =0.008 IPR, H =1.57" (through), internal coolant supply (water soluble)
Tool : MDM 0800S08H05 (ø8.0mmx5D) Cutting Conditions : v c =262 SFM, f =0.008 IPR, H =1.57" (through), internal coolant supply (water soluble)
J37
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