mechanical chuck

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mechanical chuck mechanical chuck - MADT


MADT chucks series are self-centering. Jaws clamping is automatic trough a draw rod and a rear cylinder and manual indexing system.
• made in special high resistance hardened and cementing 60HRC steel UNI18NiCrMo5, to maintain a high degree of precision, reliability and quality
• jaws slides execution with gib allows good sliding surface finish with possibility to recover clearances consequent to wear
• shaft guide system with two lines of big filled cylindrical pre-loaded radial rollers and with an axially strong ball bearing
• indexing movement simple and reliable: a conical shutter guarantees the mechanical indexing. Indexing precision ±1’30”
• seals against contamination by coolant, chips and dust
• constant and long lasting precision
• easy installation to the machine
• standard with 4 indexing 90° + 1 indexing 45°.
• On request special indexing positions available (8×45°, 6×60°)

• self-centering clamping
• big clamping capacity
• versions with long jaw for workpieces that need a big radius of revolution
• quick and easy installation to the machine, it is request only the connection to the hydraulic cylinder on the lathe
• manufacturing of different pieces and also of small series
• workpieces with big radius of revolution and flanges with big diameter
• could be apply in the same machine with a conventional 3 jaws power chuck thanks to the quick retooling increasing unit flexibility and productivity
• the indexing device allowing a quick change between the multiple working axes
• good tools accessibility thanks to the chuck shape