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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK

U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK
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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK

Product catalog summary
Overview: The U ASA II series by Rotomors is a range of hermetically sealed power lathe self-centering chucks designed for mass production. These chucks are engineered to provide precise, rigid, and irreversible clamping and gripping solutions, suitable for both horizontal and vertical applications.
Specifications: The chucks are available in sizes ranging from ∅160 mm to ∅1000 mm. They are hermetically sealed to prevent dust, coolant, and chips from penetrating, ensuring reliability and constant clamping force. Internal parts operate in an oil bath.
Features:
  • Quick Release Jaws: Allows for jaw changes in under 15 seconds.
  • Micrometric Radial Adjustment: Ensures concentricity on the machine.
  • Draw-Down Action: Provides additional clamping force and stability.
  • Self-Centering: Suitable for both internal (I.D.) and external (O.D.) clamping.
Applications: The chucks are used in the machining of automotive components such as drum brakes, bevel and ring gears, hubs, shafts, and more. Specific models cater to different applications, including:
  • U ASA II - 3: Suitable for multispindle production lathes.
  • U ASA II - 6 2+2: Features 6 jaws balanced in pairs to avoid component deformation.
  • U ASA II - SP 3+3: Designed for external clamping of piston liners with two levels of jaws.
  • U ASA II - S3R 6 2+2: Allows clamping of bearing rings with radial jaw movement.
Technical Data: The document provides detailed dimensions and specifications for various chuck types, including jaw stroke, mounting dimensions, and force parameters. The chucks are compatible with UNI, ASA, DIN, and ISO standards.
Contact Information: Rotomors provides contact details for their offices in Italy, France, and Germany for further inquiries.
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Catalog excerpts

U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-1

Hermetically sealed power lathe self-centering chuck with draw-down action ROTOMORS gripping solutions TECHNOLOGY clamping and • Sizes from ∅ 160 mm up to ∅ 1000 mm • Hermetically sealed costant clamping • Absolute reliability andproduction and gripping for mass

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-2

U ASA II HERMETICALLY SEALED POWER LATHE SELFCENTERING CHUCK WITH DRAW-DOWN ACTION FOR GRIPPING AND CLAMPING: PRECISE-RIGIDIRREVERSIBLE. All U ASA II Rotomors are hermetically sealed to prevent penetration of dust, coolant and chips. All internal moving parts operate in an oil bath to offer absolute reliability and constant clamping force. For horizontal and vertical application in mass production. Clamping jaws are designed according to the workpiece size, with all clamping and rest points performed in relation to the operating cycle. Jaws with micrometrical adjusting realized directly on the...

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-3

QUICK RELEASE JAWS All Rotomors u asa ii are designed for high production with a quick release jaws system. Each jaw can be changed in less than 15 seconds in an easy, safe and quick way. U ASA II - 3 HERMETICALLY SEALED POWER LATHE SELFCENTERING 3 JAWS CHUCK WITH DRAW-DOWN ACTION SUITABLE FOR MULTISPINDLE PRODUCTION LATHES - aws with micrometric radial adjustment which j ensures concentricity on the machine - internal-external clamping Used in the machining of drum brakes, bevel and ring gears, hubs, shafts and other automotive mechanical components for mass production.

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-4

U ASA II - 3 HERMETICALLY SEALED POWER LATHE SELF-CENTERING 3 JAWS CHUCK CHUCK WITH DRAW-DOWN ACTION 1 - Master jaw 2 - Cylindrical pivot pin 3 - Sliders 4 - Draw-bar coupling 5 - Sliding pin 6 - Oil filling cap 7 - Seal cover 8 - Outlet cap N° 3 holes W Draw-down stroke * Jaw stroke increases in relation to radius X Bottom view of the jaw with connection dimensions the master jaw.

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-5

Force on the draw-bar pull kg. max_2100 2100 2600 3100 3500 3500 Force per jaw at rest radius x kg_1460 1460 1800 2150 2430 2430 On request other dimensions available Mounting dimension for jaws machining Scheme and dimensions indicated for general information only.

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-6

U ASA II - 6 2+2 HERMETICALLY SEALED POWER LATHE SELF-CENTERING 6 JAWS CHUCK BALANCED 2 BY 2 WITH DRAW-DOWN ACTION This system with 6 balanced jaws is made of 3 pairs, and each has an internal link which allows them to balance in sets of two. This system with 6 forces moving towards the center, avoids the deformation of the component. The pendulum jaws arranged in pairs provides a coaxial tolerance of 0.02 mm in mass production and 0.01 mm in single piece production while simultaneously ensuring precision positioning without triangular deformation. Used for horizontal and vertical application...

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-7

This clamping system with 6 forces moving towards the center of the chuck avoids the deformation of the component. A B C D E F G H I L L1 M N O P Q R R1 S U V Z r. α Weight kg Max round Max force on the draw-bar kg Force per jaw on radius S kg UNI - ASA - DIN - ISO On request other dimensions available

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-8

U ASA II - SAG 3 HERMETICALLY SEALED POWER LATHE SELFCENTERING 3 JAWS CHUCK WITH DRAW-DOWN ACTION AND ANGULAR POSITION WITH SERRATED FRONT COUPLING For machining of: crank pins of crankshafts. The accuracy of the machining is performed by 3 concentric jaws. - axial point as reference - angular position with serrated front coupling - built-in microdetectors to check the functions.

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-9

ApplicationS on demand U ASA II - SP 3+3 HERMETICALLY SEALED POWER LATHE SELFCENTERING 3+3 JAWS CHUCK ON TWO LEVELS WITH DRAW-DOWN ACTION For external clamping of: pistons liners. For the operations of: internal turning. The two sets of 3 self-centering and draw-down jaws work independently on two levels in order to warrant centering, perpendicularity and draw-down of the workpiece on the rest ferrules. The body is completely sealed and all internal parts are in an oil bath. The jaws have floating contact sectors to help the clamping on the rough outside surface of the workpiece. The action is...

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-10

U ASA II - SM 6 2+2 HERMETICALLY SEALED POWER LATHE SELFCENTERING 6 JAWS CHUCK BALANCED 2 BY 2 WITH DRAW-DOWN ACTION Used for machining of: carbon discs or other special disintegrant material. All internal moving parts operate in an oil bath to prevent penetration of dust, coolant and special material cips and offer absolute reliability and constant clamping force. For horizontal and vertical application in mass production. U ASA II - S2L 3+3 HERMETICALLY SEALED POWER LATHE SELFCENTERING 3+3 JAWS CHUCK ON TWO LEVELS WITH DRAW-DOWN ACTION Used for machining of: differrential housing.

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-11

Applications on demand U ASA II - S3R 6 2+2 HERMETICALLY SEALED POWER LATHE SELFCENTERING 6 JAWS CHUCK BALANCED 2 BY 2 WITH DRAW-DOWN ACTION AND 3 RADIAL POSITIONS For clamping of: bearing rings. For machining of: - outside turning diameters from 930 to 290 mm - inside turning diameters from 830 to 230 mm. To allow the outside or inside clamping on a very large range of diameters, the jaws are radially movable in 3 positions; this shifting is actuated by a rapid manual extraction and introduction of the jaws-holder in the relative radial seats. The jaws-holders serrated mounting surface allows...

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U ASA II - HERMETICALLY SEALED POWER LATHE SELF-CENTERING CHUCK-12

U ASA II - SG 3 HERMETICALLY SEALED POWER LATHE SELF-CENTERING 3 SPECIAL JAWS CHUCK WITH DRAW-DOWN ACTION For clamping of special shafts in automotive mechanical mass production. U ASA II - SD 6 2+2 HERMETICALLY SEALED POWER LATHE SELFCENTERING 6 JAWS CHUCK BALANCED 2 BY 2 WITH DRAW-DOWN ACTION For clamping of dishes-pusher rings in mass production. ROTOMORS Via San Paolo, 62 - 10095 Grugliasco - Torino (Italy) ( +39 011 78 57 57 [email protected] ROTOMORS FRANCE S.A. 206 Rue de Gerland - 69007 Lyon ( +33 4 78 69 26 87 [email protected] ROTOMORS Deutschland Gmbh Albert-Einstein-Str. 2 - 70806...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.