Общий каталог Sumitomo 2018 - 2019 - страница 165

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External Holders External Tool Holders Polygon - Shank Holder PSC Features The Sumitomo polygon shank holders enable an extremely high stiffness connection between machine and tool. The conical polygon can take high bending and torque moments based on the combination of the face contact to the spindle. This self-guiding coupling system offers high precision and a repeatability of ± 2µm in X, Y and Z axis. While using this easy and quick coupling system it is pos- sible to gain higher machine utilization time as the set-up and tool change times are reduced. The compact design and the high stiffness connection to the spindle offer a versatile use e.g. on multi-task machi- nes, machining centers and turning-milling centers. Characteristics ● original SUMITOMO D-type double clamping system ● compact design ● monoblock system - no additional interfaces ● precise positioning; self-guiding with high repeatability ● high stiffness supported by face contact of holder ● carbide shims to prevent holders from damage ● simple tool holder change and low-maintenance operation ● internal coolant supply directly to the cutting edge ● Polygon shank and insert seat hardened for long holder life Polygon - shank holder - produced according to ISO 26623-1 Negative Insert Positive Insert Type Type Classification System for Polygon - Shank Holder PSC 40 - D C L N R 27 050 - 12 PolygonShank ClampingSize (ØD)System HolderStyle Feed DirectionR: Right HandSize (f)HolderLength (L1)Insert CuttingEdge Length D: Double Clamp L: Left Hand S: Screw Clamp N: Neutral Insert Seat Clearance Shape Angle N = 0° C = 7° P = 11° D40 l= Eurostock Recommended Tightening Torque (N·m)