END MILLS END MILLS TECHNICAL INFORMATION / GS-MILL 151 Features • Sharp corner type solid carbide end mill. • Smooth chip flow by GS coat, (New TiAIN coating). • Multi purpose use and long tool life. Ra=0.078 μm Ra=0.171 μm GS-mill Competitor (Smooth surface!) Work Materials • Structural Steels, Carbon Steels, Alloy Steels, Pre-hardened Steels, Hardened Steels, Stainless Steels, Nickel Alloys, Titanium Alloys, Cast Irons Performance END MILLS GS-Mill Two Flute GS-Mill Ball Milling Condition Milling Condition Dia. of Mill: ø8mm Size of Mill: R4 Speed: 2,400min -1 (198 SFM) Speed: 12,000min -1 (990 SFM) Feed: 190mm/min (7.5 IPM) Feed: 1,910mm/min (75.2 IPM) Material: Pre-hardened Steels 8mm Material: SCM440 (30HRC) Coolant: Air Blow Coolant: Air Blow 0.4mm Milling Length: 30m 0.8mm Milling Length: 7m 2mm GS-Mill Two Flute (μm) 100 chisel wear 80 ball radius flank wear localized flank wear Chipping 60 Competitor Wear on the Relief of 40 Ball-end 20 0 GS-mill Ball Competitor Stocked Size End Mills Name List No. Page GS-mills 2-Flute 9382 168 GS-mills 4-Flute 9384 168 GS-mills Ball 9386 169 END MILLS 152 TECHNICAL INFORMATION / JAPAN MOLD MEISTER BALL STOCK ITEM* Features • Ultra highly precise end mill which realizes polishing less die & mold milling 3μm ( 0.00012") Enlarged R tolerance range from ball edge to outside cutting edge by seamless processing • Combination of X’s coat and micro grain hard metal which are suitable for mold & die steel, direct high-speed milling is possible Work Materials • Mold steels, Pre-Hardened steels, Carbon steels, Alloy steels, Stainless steels, Nickel alloys, Titanium alloys, END MILLS Cast Irons Performance Wear comparison Gap actual survey value of milling surface 0.4 Competitor Mold Meister Ball Competitor 0.3 Mold Meister Ball Wear 0.2 (mm) 0.1 Mold Competitor Meister Ball 0 20 40 60 NAK55 Cutting length(m) scanning line milling Milling Condition R precision difference; gap outbreak of 8 μm(0.0003") Tool: R6(R0.236in) Cutting Speed: 200m/min(656 SFM) =2mm a Speed: 1.060mm/min(41.7 IPM) Pf=0.5mm a Work Material: D2(SKD11), 60HRC Stocked Size Cutting Fluid: Air Blow End ills Name List No. Page Contour Line Milling Mold Meister Ball 9408 169 * JAPAN STOCK ITEM : Please allow 2-3 weeks delivery. END MILLS TECHNICAL INFORMATION / GS-MILL HARD USA & JAPAN 153 GEO-MILL HARD STOCK ITEM* Features • Realize ultra high speed milling of cutting speed 800m/min (2625 SFM) • “GS Hard coat” of new development improves in heat resistance and wear resistance in Uitra high speed milling Oxidation resistance coating Microstructure enhances Wear resistance coating strength coating High hardness carbide • Chip removal excellent with smooth carve groove form High rigidity by wide lend width END MILLS Conventional GS-MILL Hard Work Materials • Hardened steels of 45~70HRC) such as High Speed Steels, Alloy Steels Performance Ultra-high-speed side milling ø10mm (0.394in)(six flutes) Reduce wear to 1/3 in cutting speed of 800m/min (2625 SFM) 160 Corner 120 Flank Wear 80 (μm) Localized flank 40 0 GS MILL Hard Competitor GS-MILL Hard Competitor Milling Condition Tool: ø10(0.394in) Cutting Speed: 800m/min(2625 SFM)(25,000min -1 ) Feed: 10,500mm/min(413 IPM) Stocked Size Work Material: H13(SKD61), 53HRC End Mills Name List No. Page Cutting Fluid: Air Blow GS-MILL Hard / Metric Sizes 9398 170 Milling Length: 75m(246FEET) GEO-MILL Hard / Inch Sizes 9399 171 10mm 0.2mm * JAPAN STOCK ITEM : Please allow 2-3 weeks delivery. END MILLS 154 TECHNICAL INFORMATION / GS-MILL HARD BALL USA & JAPAN GEO-MILL HARD BALL STOCK ITEM* Features • Durable tool life by newly developed coating Newly developed smooth coating makes kinetic friction smaller and improves wear resistance. • Optimal for hardened steel milling Ultra micro grain carbide with low Cobalt content suppresses micro plastic deformation during milling and increases tool life. • High accuracy ball nose +3~-7μm Realize high accuracy ball nose by "One-Pass" grinding process and precise milling is possible. Work Materials • Hardened Steels(45~65HRC), Pre-Hardened Steels, Mold Steels, High Speed Steels END MILLS New Coating Performance Smoothness and heat resistance are combined GS Hard Coat TiCN good GS MILL Hard Ball Competitor TiAIN (mm) 0.15 Smoothness TiAISiN Milling Condition TiSiN Chisel Side Tool: R3 mm Heat resistance good Cutting Speed : 213 SFM (65m/min) 0.1 3450 RPM Improves wear resistance Feed: 16.3 IPM (414mm/min) Wear (mgf/μm ) Work Material: D2 (SKD11) 60HRC 5100 0.05 Milling Length: 197 Feet (60m) Cutting Fluid: Dry Air Blow 3800 aa : 0.012" (0.3mm) 0 P f : 0.012" (0.3mm) GS MILL Hard Ball Competitor Hardness Stocked Size End Mills Name List No. Page GS-MILL Hard Ball / Metric Sizes 9422 170 GEO-MILL Hard Ball / Inch Sizes 9423 171 GS MILL Hard Ball Competitor * JAPAN STOCK ITEM : Please allow 2-3 weeks delivery. END MILLS TECHNICAL INFORMATION / X’S-MILL GEO USA & JAPAN STOCK ITEM* 155 Features • Utilizes flute geometry resulting in fast groove milling and excellent chip ejection. • Tough micro grain carbide enables a longer tool life. • TiAIN coating has high heat resistance that enhances a longer tool life. • Multi-functional end mill that allows high speed grooving and highly precise side milling. Chip form to flow smoothly Cross section of geo mill IDITY LL I G A R M H S I G H H I GH R IGI DIT Y Current 4 Flute Geo Mill End Mill Work Materials • Carbon Steels, Alloy Steels, Pre-Hardened Steels, Hardened Steels, Stainless Steels, Nickel Alloys, Titanium Alloys, Cast Irons Performance END MILLS CUTTING ABILITY- SURFACE ROUGHNESS (UNDULATION & INCLINATION)- NACHI’S GEO MILL VS. OTHER BRAND NACHI GEO MILL VS. OTHER BRANDS Milling Condition Milling Condition Dia. of Mill: 10mm 4flute Dia. of Mill: 3/8 4flute Speed: 1,600min -1 (165 SFM) Speed: 2,800min -1 (275 SFM) Feed: 256mm/min (10 IPM) Feed: 1,000mm/min (39.4 IPM) Material: SKD61 (40HRC) Material: Carbon (28HRC) 10mm Coolant: DRY 5mm Coolant: DRY Cutting Length: 7.5m (25feet) 10mm Cutting Length: 27m (90feet) 1.0mm 0.2 0.15 0.1 VBC WEAR (mm) 0.05 VB 0.028mm 0.014mm 0.03mm 0 VBN Geo Mill Competitor Corner Wear is Reduced by 50% 0.024mm Geo Mill Competitor Geo Brand A Brand B Stocked Size Stocked Size End Mills Name List No. Page End mills Name List No. Page * X’s-mill Geo / Metric Sizes 9322 172 X’s-mill Geo SLOT 9338 175 X’s-mill Geo / Inch Sizes 9321 173 9366 * X’s-mill Geo KV 176 * X’s-mill Geo Radius 9324 174 9368 * JAPAN STOCK ITEM : Please allow 2-3 weeks delivery. END MILLS TECHNICAL INFORMATION / X’S-MILL GEO SLOT JAPAN 156 STOCK ITEM* Features • It can be processed into grooving continuously from slotting • 3-4 times faster grooving than conventional end mill • By the adoption of the end teeth which has excellent chip flow and well-balanced three flutes, efficient slotting is possible. • Non-step slotting of 1D depth is possible. Shape Conventional grooving Grooving continuously from slotting Step slotting Ramping Grooving continuously from slotting Work Materials • Carbon Steels, Alloy Steels, Pre- ardened Steels, Hardened Steels, Stainless Steels, Nickel Alloys, Titanium Alloys, Cast Irons END MILLS Performance Slotting and grooving Milling Condition (l m) Milling Length 15m(49.2 FEET) 150 End Mill : 10mm (0.394in) Corner Cutting Speed : 80m/min (263 SFM) Flank (2,550min–1) 100 Boundary Feed : Slotting 200mm/min (7.9 IPM) (0.08mm/rev)(0.003 IPR) Wear Grooving 1,000mm/min (39.4 IPM) 50 (0.1mm/tooth)(0.004 IPT) Broken Depth : 10mm (0.394in) Milling Length : 50mm (1.969in) 0 X’s Mill Geo SLOT Conventional Nus of Gloove : 300glooves ork Material : D2(SKD11), 180HB Cutting Fluid : Air blow Cutting resistance when slotted N N·cm N N·cm 3000 Thrust (N) 1500 3000 Thrust (N) 1500 Torque (N·cm) Torque (N·cm) 2000 1000 2000 1000 1000 500 1000 500 Thrust Thrust Torque Torque 0 0 0 0 -1000 -500 -1000 -500 0 Depth (mm) 01 00Depth (mm) 1 X’s Mill Geo SLOT Conventional Stocked Size End Mills Name List No. Page X’s-mill Geo SLOT 9338 175 * JAPAN STOCK ITEM : Please allow 2-3 weeks delivery. END MILLS TECHNICAL INFORMATION / DLC-MILL USA & JAPAN STOCK ITEM* 157 Features • Excellent surface finish. “DLC” (Diamond like carbon) coating has low friction. • Designed for dry-milling. • Excellent chip control due to special flute geometry. Work Materials • Aluminums, Aluminum Alloys, Aluminum Alloy Casting, Aluminum Alloy Die-casting, Copper Alloys Performance Milling Condition Dia. of Mill: 10mm Speed: 10,000min -1 (1,030 SFM) Feed: 1,000mm/min (39.4 IPM) Material: AA5052 Coolant: Dry Milled with DLC Coated Endmill Breakage END MILLS Excellent surface finish without burr Condition of tool after operation Milling with un-coated carbide end mill DLC mill maintains very good surface finish!! Stocked Size End Mills Name List No. Page DLC-mill for Aluminum 9330 179 * DLC-mill Sharp Corner Two Flute 9378 179 * DLC-mill Radius 9302 180 * DLC-mill Slot Long Shank 9390 181 * DLC-mill Ball 9360 182 * DLC-HSS mill / Metric Sizes 6450 183 DLC-HSS mill / Inch Sizes 6231HD 183 * JAPAN STOCK ITEM : Please allow 2-3 weeks delivery. END MILLS TECHNICAL INFORMATION / AG-MILL USA & JAPAN 158 STOCK ITEM* Features • Super HSS of new development and AG coating by new process. • Cost performance of rough, semi-finish milling. • Fine pitch nick and heavy nick that a chip break is good, and there is high depth of cut.