Group: HITACHI
Catalog excerpts
Ball End Mill for Hardened Steel Epoch Deep Ball Evolution Hard-TH3
Open the catalog to page 1Applies newly developed next-generation hard coating "TH3" Excellent wear resistance when machining hardened steel Features of EPDBEH-TH3 Newly developed coating "TH3" for hardened steel machining Double-face cutting edge geometry for hardened steel machining Tool design to pursue high-accuracy machining Carbon steel Alloy steep Stainless steel Pre-hardened Tool steel steel Mold making Parts processing Newly developed coating "TH3" for hardened steel machining Coating structure ・High hardness coating with excellent wear resistance and heat resistance ・Has excellent thermal shock resistance...
Open the catalog to page 2Optimized cutting edge geometry "double-face" for hardened steel machining. Figure Double Face geometry Figure A-B cross section view Flank of ball area has double face (two-stage flank) General geometry Flank face Rake face Magnified view Wear progress direction Double face geometry 1st flank face Flank face Rake face First flank face suppresses wear progression Double-face effect prevents shape from deteriorating ※Double face geometry is not applied to R2 or larger size Tool design to pursue high-accuracy machining In case of R0.5 - under neck length 10mm, Back draft effect 10% of...
Open the catalog to page 3[Note] R2 or higher does not have backdraft shape. : Stocked items. Along with the release of this item, the production of Epoch Deep Ball Evolution Hard "EPDBEH-ATH series" will be discontinued from November 2017.
Open the catalog to page 4: Stocked items. Along with the release of this item, the production of Epoch Deep Ball Evolution Hard "EPDBEH-ATH series" will be discontinued from November 2017.
Open the catalog to page 5[Note] R2 or higher does not have backdraft shape. * Production discontinuation Along with the release of this item, the production of Epoch Deep Ball Evolution Hard "EPDBEH-ATH series" will be discontinued from November 2017.
Open the catalog to page 6: Stocked items. * Production discontinuation Along with the release of this item, the production of Epoch Deep Ball Evolution Hard "EPDBEH-A
Open the catalog to page 7[Note] R2 or higher does not have backdraft shape. ★ : Stocked items of New Products. * Production discontinuation Along with the release of this item, the production of Epoch Deep Ball Evolution Hard "EPDBEH-ATH series" will be discontinued from November 2017.
Open the catalog to page 8Please refer to P.12 about high accuracy cutting conditions [Note] Upon usage, please refer to comments and notes below table on page 11.
Open the catalog to page 9Please refer to P.12 about high accuracy cutting conditions
Open the catalog to page 10Work material Sf(1) ap is shown as the criteria for Group 1 workpieces. For other groups, adjust the cutting depth according to the cutting depth factors in the above table. ^(2) When performing cutting where cutting chips may cause clogging, such as for rib cutting, blind grooves, etc., cutting depth setting should be set by multiplying a cutting depth factor to calculate the cutting depth amount, and this amount should then be reduced to 80% of the calculated value. Sf(3) Adjust by setting ae to (3 to 5)x(ap)x(cutting depth ratio). When performing finishing processing, calculate the...
Open the catalog to page 11Please refer to P.9 about high accuracy cutting conditions
Open the catalog to page 12[Note] Upon usage, please refer to comments and notes below table on page 14.
Open the catalog to page 13Work material Sf(1) ap is shown as the criteria for Group 1 workpieces. For other groups, adjust the cutting depth according to the cutting depth factors in the above table. 5K(2) When performing cutting where cutting chips may cause clogging, such as for rib cutting, blind grooves, etc., cutting depth setting should be set by multiplying a cutting depth factor to calculate the cutting depth amount, and this amount should then be reduced to 80% of the calculated value. Sf(3) Adjust by setting ae to (3 to 5)x(ap)x(cutting depth ratio). When performing finishing processing, calculate the...
Open the catalog to page 14Field data Field data of High-speed steel cutting 01 Direct cutting of powdered high-speed steel【HAP40 65HRC】 Tool:EPDBEH2010-3-TH3 Work material:HAP40 65HRC Machine: Vertical MC(HSK-F63) Cutting method:Contour pocketing Cutting conditions:n=24,000min-1(vc=75m/min) v f =860mm/min( f z =0.018mm/t) ap 0.04mm ae 0.04mm Dry(Air-blow) Wear condition after 30 minutes of machining Flank ware Flank ware Flank ware Wear amount is 1/3 that of conventional products!! Demonstrates excellent wear resistance. 02 Pocketing of matrix high-speed steel【YXR33 58HRC】 Pocket size:12.8×10.8×5mm...
Open the catalog to page 15Field data Field data of High-speed steel cutting 03 Dissolution high-speed steel【DURO-V5 62-63HRC】 Tool:EPDBEH2010-2-TH3 Work material:DURO-V5 62-63HRC) ( Machine:5-axis MC(BT40) Cutting conditions:n=17,000min-1(vc=53m/min) v f =800mm/min( f z =0.04mm/t) ap 0.023mm ae 0.05mm Stock material 0.015mm Coolant:Mist blow Magnified view of cutting edge Magnified view of cutting edge Large wear on flank face Micro wear Field data of plastic mold steel cutting 01 Cutting of equivalent to SUS420J2【Relief engraving of "TH3"】 Machine: Vertical MC(HSK-E25) Work material HPM38H : (57HRC)...
Open the catalog to page 16High speed cutting of equivalent to SUS440C Machine: Vertical MC(HSK-E25) SUS440C(60HRC) Coolant: Mist-blow Process Equivalent to SUS440C M340 [M340 57HRC] Tool : EPDBEH2020-10-TH3 Work material : M340(57HRC) Machine : Vertical MC (HSK-E32) Cutting conditions : n=15,000min-1(vc=94m/min) vf=600mm/min(fz=0.02mm/t) ap 0.12mm ae 0.15mm Coolant : Mist blow Cutting time : 180min
Open the catalog to page 17Machine : 5-axsis MC(HSK-A63) Work material : Equivalent to SUS420J2(52HRC) Coolant : Dry(air) Process ^Cutting time per work (25 pockets) ■ Amount of cutting remain ■ Tool wear condition Measures pocket width Flank wear width : 0.023mm Cutting remain per one side : 0.0035 mm~ 0.012 mm (variation in 100 pockets: 0.0085 mm) Finalized semi-finishing and finishing by 1 tool. Machining time is 7 hours and 24 minutes! Cutting remain is very small, only 0.012mm and achieved very precise machining.
Open the catalog to page 18Direct pocketing of powder high-speed steel Figure Machine : Vertical MC (HSK-E32) Work material :HAP40 (65HRC) Coolant :Mist-blow Work shape Pocket size : 20×20×5mm (Incline angle 10°) Tool dia. Revolution Cutting speed Feed rate Item code Contour roughing Contour finishing Parallel finishing Removal stock Cutting time ■ Comparison of cutting remain ■ Machined surface roughness Figure Correlation chart of cutting remain and tool wear after 2 pockets processing 0.06 Cutting remain on incline surface (mm) Work after 2 pocketing Roughing Finishing Flank wear width after roughing Cutting time...
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