OVERVIEW
SBC KNOB DIAMETRAL CLEARANCES Type Metric Inch SBA .005mm .0002 SBB .005mm .0002 SBC .1mm .004 SBCC .3mm .012 SBCC .6mm .024 SBA = Establishes centerline SBB = Orients about centerline SBC = Clamp only, no positioning • See pg. 40 for more details on knob functions
MULTIPLE CHUCK APPLICATIONS UNILOCK is not restricted to one clamping knob. When the fixture or workpiece exceeds the work range of a single UNILOCK chuck, additional clamping knobs and chucks can be used to provide the necessary support and stability required for the process. There are only a few limiting factors as to the size of an array of chucks or in the weight of a workpiece. Undersized knobs provide clearance for large parts or out-of-position locations.
DESIGNED FOR MANUFACTURING During day-to-day use, chucks can be cleaned with compressed air. The fit between the clamping rams and the chuck body will not allow air pressure to push chips inside of the chuck. If you get chips in the clamping pocket, simply blow them out with an air gun. When open, the wedges completely retract. The one-to-one length-to-diameter ratio of the pocket is easily cleaned. There is no need for a vacuum. The 40mm tall by 40mm diameter clamping knob is extremely stable and can double as a foot when moving fixtures and workpieces around the shop. You will not need protective sleeves or special shelving when storing or transporting UNILOCK palletized fixtures or workpieces. Male and female threads are available in multiple sizes.
SELF-GUIDING DESIGN
23º
4.8mm
UNILOCK is designed to accept warped workpieces and fixtures. The shallow clamping pocket will allow a clamping knob to enter the chuck at an angle of up to 23 degrees. Undersized clamping knobs are also available. Standard and special UNILOCK clamping knobs will accommodate your out-of-position datums.
The radius on the smaller bottom diameter of the clamping knob addresses out-of-position loading conditions. When working with large workpieces that can warp, expand or contract, the knob can be used to help guide the clamping knobs to the center of the chuck.
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