Kyocera - Каталог Сверление 2013 ENG
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Technical Information
Holeshot Drill (DR) Applications
Technical DRILL APPLICATION HOLESHOT INDEXABLE DRILL ROTATING
Information Make certain the spindle is rigid with minimal runout. Since
STATIONARY both machine and fixture rigidity are key factors, make sure
Drilling For stationary (lathe) applications the drill should be mounted the workpiece is fixed rigidly and secured. Mount drill for the
in a toolholder that is concentric within 0.003 TIR and parallel least possible overhang and make sure the drill flange is flush
to the machine centerline. Flats on the shank should be against the face of the adapter.
precisely aligned so that the cutting edges are parallel to the
x-axis, which will help chip flow. Coolant - Chip removal and tool life are enhanced by feeding
coolant through the drill. 30 P.S.I. minimum coolant pressure is
A disc is normally produced as the drill breaks through the recommended for horizontal applications. Vertical position
hole. Although the disc is usually minimal with HOLESHOT, requires a higher coolant pressure (40 to 60 P.S.I.) to flush
adequate guarding should be provided for and in place. chips properly.
HOLESHOT drills can be used to back bore an existing hole Through the tool coolant is preferred for HOLESHOT drilling,
to a desired size. The drill can be offset by up to 0.015" for but due to the unique flute design, coolant deficiencies can
back boring. be overcome. Especially in smaller, lower horsepower machine
tools, strong flood coolant can be utilized with excellent
results. When flooding the cut, direct coolant directly into the
drilling area.
R ecommended Cutting Conditions : Holeshot Drill (DR)
Workpiece Feed Rate Recommended Cutting Condition (Cutting Speed SFM)
Material (ipr)
Cermet PVD Coated MEGACOAT Carbide Remarks
Low Carbon Steel
TN60 PR660 PR830 PR905 PR915 PR1230 KW10
Carbon Steel
.0015-.0035 - - - -
Alloy Steel 800~900 800~900 800~900
Tool Steel .005-.009 - - - -
Stainless Steel 400~800 400~800 400~800
(Austenitic) .004-.010 - - - -
Gray Cast Iron 250~750 250~750 250~750
Nodular Cast Iron
.004-.010 - - - -
(Ductile) 250~750 250~750 250~750
Non-ferrous
.0025-.006 - - - - Coolant
Metal .005-.011 - 200~600 200~600 - 200~600
Heat Resistant Alloy 400~800 400~800
- - -
(Inconel 718)
Titanium Alloy .004-.010 - - - - -
300~500 300~500
.008-.010 - - - - -
1800~2000 1800~2000
.0010-.0015 - - -
75~150 100~150 75~150
.0025-.0030 - - - -
100~210 100~210 150~250
: 1st Recommendation : 2nd Recommendation
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