ø5.0 Drilling Precision BN2000 BN7000 WF DN DCON ø4.0 Stock Very Smal Diameter TurningBars Smal Diameter TurningBoring SUMIBORON Small Hole Boring Bars SEXC Type Carbide SUMIBORON Coolant Hole Screw-on SEXC Fig 1 DMIN Min. Bore Dia. Internal Turning and Facing 10° CDX LF GAMF Holder Parts Dimensions (mm) E Cat. No. Stock Min. Bore Dia. Diameter NeckDiameterOverall Cutting Edge Max. BoringLengthDistanceDepthRakeAngleRLDMINDCONDNLFWFCDXGAMFApplicableSleeveFigBoltWrenchNm C E06D2-SEXC R/L03-04P ●● 4.0 6.0 3.75 33.75 1.95 8 -13°E06D3-SEXC R/L03-04P●●4.06.03.7537.751.9512-13°11MIB1.6-20.2 E06D2-SEXC R/L03-05P ●● 5.0E06D3-SEXC R/L03-05P●●5.06.04.7535.25 2.45 106.04.7540.252.4515-12°-12°HBSM6020HBSM6020A 11 MIB1.6-2.5 0.2 SDBSM E06D2-SEXC R/L03-06P ●● 6.0 6.0 5.75 36.75 2.95 12 -11°E06D3-SEXC R/L03-06P●●6.06.05.7542.752.9518-11°11MIB1.6-30.2 D The SEXC Type needs the HBSM6020 (A) adapter sleeve (sold separately). Insert ( SUMIBORON) Dimensions (mm) Fig 1 Fig 2 R Nose Fig 1Radius RE ø20 DCBCat. No.Figø3.317° ø20 DCBM8 Rc1/8 RE 19 2NU-ECXA 030X02LE ● 0.2 1 1.15 LF LF S 2NU-ECXA 030X02LF ●● 0.2 1 75° Sleeve Dimensions (mm) Part Number Suffix: LE: Honing, LF: Sharp Edge Bore OverallDia.LengthSetScrew Wrench Alignment Jig Cat. No. Fig T Cat. No. Stock DCB LF HBSM6020HBSM6020A ● 6.0●6.0 8080 12 BT0506 TH025 AFBSM60 ● V This jig is used for centring sleeves when setting them into holders. W Application Range Recommended Cutting Conditions May cause chattering or chipping Indexable Type Spindle Speed n Above 2,000 min-1 at the cutting edge in low-speed SEXC Type machining. Excessive depth of cut causes deformation Brazed Type Depth of Cut ap 0.01 to 0.15mm of the tool, which consequently leads to BSME Type deterioration of dimensional tolerance. Good 2.0 3.0 4.0 5.0 6.0 Feed Rate f 0.01 to 0.10mm/rev − Max. Work Diameter (mm) Application Examples Hardened Alloy Steel Valve Component BSME Bearing Steel: Small Automotive Component SEXC The BSME type provides stable machining and a tool life that is The SEXC type provides drastically reduced tool costs and a tool over 2 times longer than our competitors' CBN tools. life that is 1.5 times longer than our competitors' brazed CBN tools. Brazed TypeBSME Type 1,700 holes Indexable Insert TypeSEXC Type 1,500 holes Competitor's Competitor'sCBN Tool 600 holes Brazed 1,000 holesCBN Tool 0 500 1,000 1,500 2,000 0 500 1,000 1,500 No. of Workpieces (pcs) No. of Workpieces (pcs) Work Material: Hardened Alloy Steel Valve Component (Automotive Component) Work Material: Bearing Steel Small Automotive Component (60HRC) Tool: BSME R50020D2S6 Grade: BN2000 Holder: E06D2-SEXC R/L03-04P Insert: 2NU-ECXA 030X02LF (BN2000) Cutting Conditions: vc = 118m/min (7,500min-1), f = 0.02mm/rev, ap = 0.10mm Dry Cutting Conditions: vc = 50m/min (4,000min-1), f = 0.02mm/rev, ap = 0.02mm Wet N m Recommended Tightening Torque (N·m) ● mark: Standard stocked item (new product/expanded item) E65