OVERVIEW
Multiple Chuck Applications UNILOCK supports multiple clamping knobs and chucks for larger or heavier fixtures, ensuring stability beyond the range of a single chuck. Undersized knobs offer clearance for oversized parts or off-center locations.
SBC Knob Diametral Clearances Type Metric
Inch
SBA SBB SBC
.005mm .005mm
.0002 .0002
.1mm
.004
SBA = Establishes centerline SBB = Orients about centerline SBC = Clamp only, no positioning • See pg. 48 for more details on knob functions
Designed for Manufacturing UNILOCK chucks are easy to maintain with compressed air. Chips won’t be forced inside due to the tight fit between clamping rams and the chuck body. Any debris in the clamping pocket can be quickly cleared with an air gun. The fully retracting wedges and 1:1 length-to-diameter ratio make cleaning simple with no vacuum needed. The robust 40 mm × 40 mm clamping knob adds stability and acts as a foot for safe handling and storage. No protective sleeves or special shelving are required. Multiple male and female thread sizes are available.
Self-Guiding Design uiding n
23º
4.8mm
UNILOCK is built to accommodate warped workpieces and fixtures. Its shallow clamping pocket allows knob entry at angles up to 23°, making it ideal for uneven setups. Undersized, standard and special clamping knobs are available to support out-of-position datums with ease.
The radius on the clamping knob’s smaller bottom diameter helps guide it into the chuck during out-of-position loading. This is especially useful for large workpieces that may warp, expand or contract, ensuring smooth and accurate engagement.
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