Общий каталог Sumitomo 2019 - 2020 - страница 252

Boring Bars Boring Tools Series ■ General Features Since its launch in 1976, our industry leading SEC-Boring Bar Series with its steel/carbide shank holders and high rigidity heads has since included the popular SEC-Small Diameter Boring Bars and now the SumiTurn X-Bars with anti-vibration mechanism, optimized insert E grades and chipbreakers. ■ Features of ● Applicable to a wide range of applications such as SEC-Boring Bars Stop-Boring/Bottom Facing/Through-Boring/Profiling ● Min. machining diameter: ø1mm for CKB Type, ø5mm for C-SCLC Type ● Anti-vibration boring bar SumiTurn  X-Bar ● Carbide short shank type usable on turret lathes without shortening (C16M-STUP, C20M-STUP Types) ● Wide selection of insert grades and chipbreakers available for various work materials ■ Steel Shank Type ● Higher anti-chatter capability for effective rough boring of deep holes with Anti-Vibration ● Achieves low-cost boring of large diameters and deep holes, with ø32mm shank Mechanism now in stock ● Excellent chip evacuation with double chip pockets ● Bars with internal coolant hole are also in stock ● Negative insert holders (shank dia. ø25 to ø50mm) are now in stock Excellent Chip Evacuation ECKS Anti-Vibration Mechanism New Head Design Effective Chatter Killer System Assists in Assists in X-Bar Construction evacuation of evacuation long chips of short chips Direction of holder vibration during cutting Flat impact counter-weight effectively Strong cross-section Ribbed structure reduces chattering and antiphase. withstands high maintains high Stops chattering in its tracks! cutting force rigidity ■ Shank Material Selection Precautions for Clamping Position on Steel Shank with Anti-Vibration Shank MaterialApplicationSteel Steel with Anti-VibrationMechanismCarbide Mechanism Shallow HolesGeneral(L/D < 3)G Steel Deep Drilling(L/D > 3) G G Do not clamp or cut offlabel-affixed portion. High efficiency boring with wiper S G Clamping a shank on the “ ” label-affixedportion may disturb normal functioning (due to built-in insert Anti-Vibration mechanism). Hardened Steel Q G Therefore, minimum tool overhang length is kept to 3.5D (shank diameter x 3.5). This is a dedicated turning tool. It High-precisionMachining cannot be used as a rotating tool.G G 1st Recommendation　S 2nd Recommendation E8