MULTI-AXIS SYSTEMS
SYSTEM 68 CLAMPING KNOBS
Standard clamping knobs have a metric positioning boss which is Ø57mm and ground to a fit of h6. This boss is 10mm tall. The overall measurements of the clamping knob are Ø40mm by 68mm tall.
The SBA Knob is ground to fit with the center ground taper of the chuck. This fit establishes centerline location. This location will repeat to better than +/-.0002" (.005mm).
The SBB Knob is ground like a diamond pin and orients your work relative to the centerline of the SBA Knob.
The SBC Knob is ground undersize. It will bring the bottom of the workpiece or fixture down on the top of the UNILOCK chuck.
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