Общий каталог Sumitomo 2019 - 2020 - страница 954

DrillingSolidIndexableIndexableHead TypeInsert TypeReamersBrazedOthers No. of Parts Machined (pcs)Bore Diameter (mm) Tool Cost 38mm SEC-MultiDrills SMD Type Mounted ■ Product Range List Front screw clamp design Radial serration provides steady Head Holder (L/D) Applications øDc range and precise clampingHead S Type(1.5D) ø12.0 to ø30.8 M Type(3D) ø12.0 to ø42.5 Indexable head General MultiDrill design + Specially surface-treated body MTL Type L Type(5D) ø12.0 to ø42.5TypeSteel dedicated coated grades for high wear and rust resistance D Type(8D) ø13.5 to ø42.5 12D Type(12D) ø13.5 to ø25.8 Oil holes are directed at cutting lip and chips Holders S Type(1.5D) ø12.0 to ø30.8 M Type(3D) SUS ø12.0 to ø30.8 J ■ Features Indexable type drill with exchangeable drill head, Indexable head MEL Type L Type(5D) SS ø12.0 to ø30.8TypeD Type(8D)FCø13.5 to ø30.8 which has a radial serration design, for high precision and strength. 12D Type(12D) ø13.5 to ø25.8 An exchangeable drill head provides a new cutting edge, Indexable head higher productivity and cost ef ciency with easy tool management. MFS Type S Type(1.5D) Spot Facing ø12.0 to ø30.0Type Regrinding allowance of 1.5mm to 3mm Indexable head MB Type B3 Type(3D) For Bridge ø24.5 to ø26.7 makes further tool cost reductions possible.* Regrinding is available only for MTL/MEL/MB Type Type *MFS Type can also be used with M Type, L Type, D Type and 12D Type holders. ■ Tool Life and Cost ● Comparison of tool life ● Total tool comparison when machining 1,000 workpieces ● Conclusion (1) Dedicated coating and substrate 100% Regrindable (x4) For regrinding purposes, SEC-MultiDrill MTL Type has (2) With regrinding not required, brazed drills are only used for double the tool life the tool can be used until maximum wear occurs. New Drill 50-70% of their actual tool of brazed drills! 120 2 timesthe tool life! Reduced costs! Regrindable (x4) life potential.SEC-MultiDrill MTL TypeShorter tool change 100 Drill tolerance New Drill reaches 100%! time! 80 and tool lifeare relatively low 50%after regrinding Regrindable (x4)10 drill headsNew Drill ● Workpiece Example 60 Regrindable (x4) Bore dia.: ø18.0mm, depth: 50mm 40 New Drill SEC-MultiDrill MTL Type 20 Holders Regrindable (x4) Insert: SMDT 1800MTLHolder: SMDH 180M New Drill00SEC-MultiDrillBrazed DrillSEC-MultiDrillBrazed Drill Work Material: Machine component (S50C)Wet MTL Type MTL Type ■ Drilling Precision ■ Tool Strength SEC-MultiDrill MTL Type: Normal wear SEC-MultiDrill MTL Type ● Durability Comparison Competitor's Product A 18.10 Competitor's Product B Brazed Drill 18.05 After 900 holes (equivalent to 34m) SEC-MultiDrill MTL Type Competitor's Product A: Large amount of wear 18.00 Brazed Drill 17.95 After 900 holes (equivalent to 34m) 0 0.2 0.4 0.6 0.8 1.0 1.2 Competitor's Product B: Shoulder breakage02004006008001000 Feed Rate at which Drill Was Damaged f(mm/rev) No. of Holes Work Material : S50C, O.D.: ø18.0mm Work Material : S50C, O.D. : ø16.0mm Cutting Conditions : vc=70m/min, f =0.25mm/rev Cutting Conditions : vc=80m/min Hole Depth 38mm (through), wet After 670 holes (equivalent to 25m) Hole Depth : 38mm ■ Recommended drilling method for 12D Type: Use a collet, hydro chuck or milling chuck to hold the 12D drill body (tapered collet chuck cannot be used) (1) Drill a guide hole with SMDH○○○M (3D holder) + MTL Type (head) (3) Increase spindle speed until the set spindle speed is reached, then start drilling ● Use a 3D drill body and a drill head with the same diameter as the 12D (same cat. no.) when drilling the guide hole. *On some NC machines, the feed command may be activated before the set spindle speed is reached, so it is recommended to enter a dwell H = Drill diameter × 1 to 1.5 times the depth sequence before the feed command. H Increase rotation speed (2) Feed the SMDH○○○-12D (12D holder) + MTL Type (head) through the guide hole at a low spindle speed (4) After drilling, rotation speed is reduced and the drill is retracted from the work material ● Spindle speed: 500min-1 ●Feed rate: 1,000 to 2,000mm/min ● Spindle speed: 500min-1 ●Feed rate: 1,000 to 2,000mm/min *If the drill is inserted into the guide hole at the set *Retracting a drill from the work material cutting speed, peripheral run-out may cause at a high spindle speed, is dangerous damage to the drill's peripheral edges. as doing so may result in breakage due to runout. 1 Stop 1mm away from the guide hole depth Change rotation speed to 500 min-1 J94