DLE. Sharpness and Excellent Fracture Resistance can Achieve Stable Processing for Stainless Steels. Leading Drill Series TOOL NEWS

Transcription

1 TOOL NEWS B223G Solid Carbide Drills for Ceterig ad Chamferig Leadig Drill Series New Product Sharpess ad Excellet Fracture Resistace ca Achieve Stable Processig for Stailess Steels

2 Solid Carbide Drills for Ceterig ad Chamferig Leadig Drill Series Completes strict stadards for ceterig ad chamferig. Ceterig Chamferig Corer Chamferig V-groovig Rage of Use Features Thiig Geometry The thiig pocket promotes smooth chip discharge ad brigs excellet hole positio accuracy. Additioally, the egative cuttig edge of the drill poit offers high cuttig edge stregth. Sharp Cuttig Edge ad High Fracture Resistace A cuttig edge shape with sharp ad high acture resistace, stable cuttig ad burr prevetio are possible. Covetioal 1

3 Two-step Poit Agles Two-step poit agles esure stregth at the ceter ad prevet sudde acturig. * The cetral area will ot have a 9 hole bottom. Covetioal High Stregth of Ceter Fractures of Ceter Coated Grade DP12 DP12 grade offers excellet wear resistace ad reduced ictio for loger tool life ad a versatile rage of applicatios. 12 With Accumulated Al-Ti-Cr-N Based PVD Coatig Oxidatio Temperature (Cº) DP12 Covetioal PVD Coatig Hardess (Hv) Extesive Support for CNC Automatic Lathes Diverse lieup of shaks compatible with ER collets. ON(Coectio Diameter) 5 ER8 ON 7 ER11 2

4 Solid Carbide Drills for Ceterig ad Chamferig UWC DP1 Leadig Drill Series P M K N S H 9 SIG Thiig PL LF SIG LU LCF OAL ON h7 ON=3.1 3 < ON < 6 6<ON < 1 1 <ON < Exteral Coolat (mm) SIG DP12 Order Number LU LCF OAL LF PL ON 3 9 a 3S3P a 4S4P a 5S5P a 6S6P a 7S7P a 8S8P a 1S1P a 12S12P a 16S16P (Note 1) I the regio of roughly /4, which is the regio of the two-step poit agles, the cetral area will ot have a 9 hole bottom. Chamferig will also ot be possible i this regio. (Note 2) The ceterig diameter should be less tha the drill diameter (processig diameter) ad the usable legth LU should be referred to as a guidelie. = Cuttig Diameter LU = Usable Legth LCF = Legth Chip Flute OAL = Overall Legth LF = Fuctioal Legth PL = Poit Legth ON = Coectio Diameter SIG = Poit Agle 3 a : Ivetory maitaied i Japa.

5 Drill Diameter Selectio Whe Chamferig With respect to guide hole diameter D, select the drill diameter (cuttig diameter) to be withi the rage of D < < 2D. OK NG NG D If is equal to or greater tha 2D: If is a drill diameter equal to D: Example) If guide hole diameter D is 5 mm: Drill diameter should be equal to or greater tha 6 mm but less tha 1 mm. Select a of 6 mm, 7 mm, or 8 mm. If drill diameter is too large compared to guide hole diameter D (equal to or greater tha 2D), chamferig caot be performed. Chamferig caot be performed if drill diameter is the same as guide hole diameter D. Whe Ceterig The tool caot be used for processig if the ceterig diameter has the same guide hole diameter as drill diameter. Refer to the usable legth LU (page 3) as a guidelie. I the regio of roughly /4, which is the regio of the two-step poit agles, the cetral area will ot have a 9 hole bottom. LU PL /4 4

6 Solid Carbide Drills for Ceterig ad Chamferig Recommeded Cuttig Coditios (mm) Work Material Mild Steels (<18HB) AISI 11 etc. Carbo Steels, Alloy Steels (18 28HB) AISI 145, 414 etc. Carbo Steels, Alloy Steels (28 35HB) AISI 434 etc. (mi -1 ) (Mi. Max.) (mi -1 ) (Mi. Max.) (mi -1 ) (Mi. Max.) (.4.8) 68.6 (.4.8) 63.5 (.3.7) (.4.8) 51.6 (.4.8) 47.5 (.3.7) (.5.9) 44.7 (.5.9) 41.6 (.4.8) (.5.9) 37.7 (.5.9) 34.6 (.4.8) (.5.1) 31.8 (.5.1) 29.6 (.4.8) (.5.1) 27.8 (.5.1) 25.6 (.4.8) (.5.11) 23.9 (.5.11) 22.7 (.4.9) (.5.11) 19.9 (.5.11) 18.7 (.4.9) (.1.14) (.1.14) 14.8 (.6.1) Work Material Austeitic Stailess Steels ( <2HB) AISI 34, 316 etc. Gray Cast Iros (<35MPa) AISI No45B etc. Ductile Cast Iros ( <45MPa) AISI etc. (mi -1 ) (Mi. Max.) (mi -1 ) (Mi. Max.) (mi -1 ) (.2.6) 79.6 (.4.8) 58.6 (.4.8) (.2.6) 59.6 (.4.8) 43.6 (.4.8) (.4.8) 5.7 (.5.9) 38.7 (.5.9) (.4.8) 42.7 (.5.9) 31.7 (.5.9) (.4.8) 36.8 (.5.1) 27.7 (.5.9) (.4.8) 31.8 (.5.1) 23.7 (.5.9) (.4.8) 27.9 (.5.11) 19.8 (.5.1) (.4.8) 22.9 (.5.11) 15.8 (.5.1) (.6.1) (.1.14) (.9.13) (Note 1) Whe chamferig a circumferece of a guide hole, make sure that the tool diameter() is D < <2D. (Note 2) Whe V-groovig ad chamferig, please reduce cuttig coditios. (Mi. Max.) y Operatioal Guidace Drill Holdig Drill Legth Istallatio Tolerace Thi Workpiece Coolat Method NG If Bedig Occurs NG OK Support the Workpiece Collet chuck holds the drill securely. Do ot clamp o the fl utes. Ru-out <.3mm Coolat positios,at the ed at the ceter are ideal. 5

7 Cuttig Performace Compariso of Cuttig Performace durig Ceterig Ideal for processig at low power, whe compared to covetioal products Covetioal A <Cuttig Coditios> Work Material AISI 145 Drill 12S12P9 ø12 Cuttig Speed vc = 6m/mi Feed per Rev. =.6mm/rev Cuttig Mode Wet Cuttig Exteral Coolat (Chlorie Free Emulsio) Machie : Vertical MC Thrust (N) Covetioal B Aim for ø11mm Time (sec.) * Differeces alog the time axis are a result of differeces i processig depth. Compariso of Ceterig Life whe Processig AISI 34 The two-step poit agles, together with the egative cuttig edge shape ad cuttig edge treatmet of the thiig pocket, provide outstadig durability with o abormal damage. Ca Cotiue <Cuttig Coditios> Work Material : AISI 34 Drill : 6S6P9 Cuttig Speed : vc=25m/mi Feed per Rev. : =.6mm/rev Hole Depth : Aim for hole dia. ø5mm Cuttig Mode : Wet Cuttig Exteral Coolat (Water-isoluble Coolats) Machie : Small Automatic Lathes Covetioal A Fracture Covetioal B Chippig Covetioal A Number of Holes (Hole) Ceterig Hole Positio Precisio for JIS SUS42J2 Stailess steels are likely to experiece abormal damage om build-up edge. Compared to covetioal products which ofte suffered early actures, the has a log tool life..5.4 (mm) <Cuttig Coditios> Work Material : JIS SUS42J2 Drill : 6S6P9 Cuttig Speed : vc=15m/mi Feed per Rev. : =.4mm/rev Covetioal A Hole Depth : Aim for hole dia. ø5.5mm Cuttig Mode : Wet Cuttig Exteral Coolat (Chlorie Free Emulsio) Machie : Vertical MC Covetioal B After 9 Holes Measuremet impossible due to early acture Measuremet impossible due to early acture 6

8 Applicatio Example Drill Workpiece 4S4P9 AISI 11 (Equipmet Parts) Ceterrig ad Chamferig 6S6P9 AISI 34 (Machie Parts) Cuttig Coditios Ceterrig ad Chamferig Cuttig Speed vc(m/mi) 3 25 Feed per Rev Guide Hole Dia. (mm) ø3 ø5 Cuttig Mode Wet Cuttig Extaral Coolat (Chlorie Free Emulsio) Wet Cuttig Extaral Coolat (Water-isoluble) Machie NC Lathe, Tool Rotatio CNC Automatic Lathe Results Burrs are suppressed Compared to covetioal products, the has smaller burrs ad a loger expected life. More tha 2 holes Good surface fi ishes ad o tool damage While covetioal products ofte caused chippig to occur, the is more stable ad has bee used to complete drillig of 2 holes with o damage o the cuttig edge. Drill AISI 33 (Egie Parts) 3S3P9 Workpiece Ceterrig ad Chamferig Cuttig Coditios Cuttig Speed vc(m/mi) Feed per Rev. Guide Hole Dia. (mm) Cuttig Mode Machie 25.4 ø2. Wet Cuttig Extaral Coolat (Water-isoluble) Curved Surface CNC Automatic Lathe Covetioal Results While covetioal products geerated burrs durig the first hole drillig, the achieved 6 hole drillig without otable damage ad burr geeratio, ad provides outstadig surface quality. After 6 Holes After 1 Hole The above applicatio examples are customer s applicatios, so it ca be differet om the recommeded coditios. For Your Safety ado't hadle iserts ad chips without gloves. aplease machie withi the recommeded applicatio rage ad exchage expired tools with ew oes i advace of breakage. aplease use safety covers ad wear safety glasses. awhe usig compouded cuttig oils, please take fire precautios. awhe attachig iserts or spare parts, please use oly the correct wrech or driver. awhe usig rotatig tools, please make a trial ru to check ru-out, vibratio ad abormal souds etc. MITSUBISHI MATERIALS CORPORATION Overseas Sales Dept, Asia Regio KFC bldg., 8F, Yokoami, Sumida-ku, Tokyo 13-15, Japa TEL FAX Overseas Sales Dept, Europea & America Regio KFC bldg., 8F, Yokoami, Sumida-ku, Tokyo 13-15, Japa TEL FAX (Tools specificatios subject to chage without otice.) EXP-9-E ( - )