Общий каталог Sumitomo 2018 - 2019 - страница 457

Replaceable Head Type MULTI-DRILLs Large Hole MTL Type SMD Type大形ケーシングなどに用いられる高延性材料にも最適な刃型設計 大径MTL型 For Large Holes Tool edge design ideal for malleable material used for large casings, etc. Edge design suitable for malleable material commonly used for large hole drilling. 㘩ઃ߈ᤨߩ᜼േࠍᛥ߃ࠆ Reduces movement when starting the hole X型シンニング X-Type Thinning X型シンニング Aims to reduce thrust under heavy cutting Large Thinning Angle 重切削でのスラスト低減を狙う 大きなシンニング角 Improved chip management 低い機械剛性・クランプ剛性にも対応した Designed to handle low for highly malleable materials Large Helix Angle Design 大径専用刃先処理 machine and clamp rigidity Edge Treatment Exclusively 延性の高い材質にも切りくず処理性を向上させた 高価なワークに対し突発的な欠損を防ぐ for Large Diameters 強ネジレ角設計 高靭性母材採用 Prevents unexpected breakage when working with expensive materials Robust Substrate ■加工面精度 ■切削抵抗（スラスト） 被 削Machined Surface Accuracy 材：SM490（建機用ベースプレート） Cutting Force Comparison (Thrust) 被 削 材：SS400（重ね板） ドリルサイズ：Ǿ33.0mm×5D用 Work Material: St 52-3 (Base substrate for construction use) Work ドリルサイズ：Ǿ37.5mm×5D用 Material: St 42-2 (Laminated plates) 度 工 い穴精 切削条件： Drill Size:c=120m/min, =0.25mm/rev Drill 切削条件： c=90m/min, =0.35mm/rev 安定加 Ø33,0mm x 5D Size: Ø37,5mm x 5D 切削環境：エマルション も高 Cutting Conditions: vc=120m/min, f=0,25mm/rev 切削環境：エマルション Cutting で も Conditions: vc=90m/min, f=0,35mm/rev 大径で Cutting Environment: Emulsion Type ね板加 工 Cutting Environment: Emulsion Type 重 High drilling accuracy Ǿ33.15 with large diameters Stable even when machining laminated plates 測定ヶ所① ① 切りくず処理良好 Ǿ33.10 Good Chip Control Cutting Force (N m) 測定ヶ所② ② 10,000 Ø33,15 Ǿ33.05 Measured Point (1) (1) Ø33,10 8,000 Measured Ǿ33.00 Point (2) (2) d Exit Ø33,05 ure s 6,000 M eas tio出口 n Ǿ32.95Ø33,00 c 方向 ire 4,000 測定 D Ǿ32.90Ø35,95 Multi-Drills 2,000 入口 Entrance Ǿ32.85Ø32,90 0 入口 Ø32,85 中間 出口 5 10 15 20 25 Entrance Intermediate Exit Depth of cut (mm) Recommended Cutting Conditions vC=Cutting Speed (m/min) f=Feed Rate (mm/rev) Soft Steel General Steel Hardened Steel Stainless Steel Grey Ductil Work Material (~HB250) (HB250~320) (HRC45) (~HB200) Cast Iron Cast Iron Recommended Head Cutt. MTL Type MTL Type MTL Type MTL Type MTL Type MTL Type Drill Ø (mm) Conditions 60 ~ 120 60 ~ 120 40 ~ 80 40 ~ 80 50 ~ 100 50 ~ 90 vc ~ 36,5 (40 ~ 80) (40 ~ 80) (30 ~ 60) (30 ~ 60) (40 ~ 90) (40 ~ 70) f 0,25 ~ 0,4 0,2 ~ 0,35 0,15 ~ 0,3 0,15 ~ 0,25 0,25 ~ 0,45 0,25 ~ 0,35 60 ~ 120 60 ~ 120 40 ~ 80 40 ~ 80 50 ~ 100 50 ~ 90 vc ~ 42,5 (40 ~ 80) (40 ~ 80) (30 ~ 60) (30 ~ 60) (40 ~ 90) (40 ~ 70) f 0,25 ~ 0,4 0,2 ~ 0,35 0,15 ~ 0,3 0,15 ~ 0,25 0,25~ 0,45 0,25 ~ 0,35 Note: Where machining and work clamp rigidity are good, conditions may be increased up to the maximum. For 8D drills, please use feed rates stated within the ( ). Before drilling 8D holes, a guide hole of similar diameter must be made. K62 = Japan stock