Metalmecanica

SERVICE MANUAL Contents
EC manufacturer’s declaration General safety instructions Technical details BB-N / diagram Technical details BB-N-ES / diagram Description of function Installation Operation Maintenance Top jaws Disassembling Assembling Trouble shooting Spare parts Control units 2 3 4-73 8-11 12-13 14 15 16 16 16 17 17 17 18-24

Service manual BIG BORE

Thank you for purchasing anoriginal SMW self-contained frontend power chuck type Big Bore. This service manual contains the installation, the use and the maintenance of the self-contained frontend power chuck type Big Bore. SMW-AUTOBLOK reserves the right to make changes without notice. This service manual may not be, in whole or in part, copied without our written agreement.
2007-03-E

Please read the service manualcarefully before installation and use and always follow the regulations.

Please note especially the sections which are marked with the following signs: Danger of injury or danger to life if instructions are not followed.
WARNING!

The service manual is a part of the self-contained frontend power chuck type Big Bore and must be passed to the new owner in case of sale.

Danger of damage to themachine, the power chuck or the components.
ATTENTION!

SMW-AUTOBLOK

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MANUFACTURER’S DECLARATON

Manufacturer’s declaration
according to machine specification 89/392/EC appendix II paragraph B

SMW-AUTOBLOK Spannsysteme GmbH declares that the component described following is designed for the use on a machine. It is prohibited to operated the component until it is certain that themachine in which the component is installed is in accordance with the regulations of the EC-rule i.d.F. 91/368/EWG. Important: The operation of the self-contained frontend power chuck type Big Bore is allowed only if suitable safety control units with airflow sensors, pressure gauges as well as pressure control during rotation are installed. Different from standard power chucks the jaw stroke of BigBore air chucks is not controlled by proximity switches. The resulting remaining risks must be covered by suitable protections and covers on the machine.

Component: Application: Type: Applied harmonized norms:

Self-contained frontend power chuck Installation in machine tool Big Bore DIN EN 1550

Signature of responsible person

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SMW-AUTOBLOK

GENERAL SAFETY INSTRUCTIONS Generalsafety instructions
1. Correct use SMW-AUTOBLOK self-contained frontend power chucks work safely and troublefree if WARNING! they are used according to their specification, i.e. to clamp components on the outside diameter on turning machines. Any other use can cause hazards. 2. Personnel Self-contained frontend power chucks must be installed, operated and maintained by qualified and regularlytrained personnel only. 7. Top jaws Always use original-SMW-AUTOBLOK-top jaws only. Jaws of other manufacturers can ATTENTION! cause damage to the chuck or accidents. Top jaws must be mounted with head socket screws of quality class 12.9 only! Tighten all mounting bolts with a specified torque. Always ensure sufficient length of the engagement (min. 1,25 x thread diameter)! If the jaw height of specialjaws exceeds the height of the standard jaws the max. actuating force of the chuck must be reduced in order to avoid an excessive lever action and thus damage to the power chuck. At reduced actuating force the max. speed must also be reduced accordingly!

WARNING!

3. Safety precautions During the machining process the self-contained frontend power chuck and the clamped WARNING! component mustbe protected by suitable safety guards mounted to the machine. The machine door must be locked closed until the machine spindle arrives to its full stop. Actuation of the power chuck must be possible at stopped spindle only! Set-up works, maintenance and all other mechanical work must be done at safe spindle stop only! 4. Technical details The max. data as max. pressure p and max. spindle speed...