Catalogs >
SMW-AUTOBLOK >
NT-C_EN

NT-C_EN
2Pages

Catalog excerpts

High precision power chucks Ø 170 - 400 mm ■ Centrifugal force compensation ■ Closed center ■ 3 jaws ■ proofline® chucks = fully sealed – low maintenance Application/customer benefits • For large batch production • For high speed machining and for fragile parts • Fully sealed, ideal for dry machining of castings and forgings or if high TONGUE & GROOVE pressure coolant is used NT-C: TONGUE & GROOVE master jaws (American Standard) Technical features • Centrifugal force compensation • Constant gripping force with permanent grease lubrication • Center bore for coolant and / or air • Chuck body and internal parts case hardened • proofline® chucks = fully sealed – low maintenance Standard equipment p ro o f l i n e s e r i e s ® fully sealed – low maintenance Ordering example 3 jaw chuck Mounting bolts Actual gripping force diagrams 235 220 FG Gripping force (total on 3 jaws) (kN) FG Gripping force (total on 3 jaws) (kN) The data in the diagrams refer to 3 jaw chucks, newly maintained according to their service manuals using SMW-AUTOBLOK K67 grease. The static and dynamic gripping forces have been measured using standard soft top jaws, placed in a position not exceeding the outer diameter of the chuck. Safety advice / danger of damage: When using taller / heavier jaws and / or clamping on a bigger diameter reduce draw pull / rotating speed accordingly. Technical data SMW-AUTOBLOK Type Axial piston stroke Recommended actuating cylinders Max. speed Weight (without top jaws) * For internal clamping reduce the draw pull by 30%. on request: Tooling Standard

Open the catalog to page 1

High precision power chucks Ø 170 - 400 mm ■ Centrifugal force compensation ■ Closed center ■ 3 jaws ■ proofline® chucks = fully sealed – low maintenance TONGUE & GROOVE ISO-A Direct mounting Subject to technical changes. For more detailed information please ask our customer service. SMW-AUTOBLOK Type Max. Chuck open Max. / min. Chuck fully closed Radial jaw stroke

Open the catalog to page 2