MULTI-AXIS SYSTEMS
SYSTEM 68 REDUCTION Used to reduce the clamping base body from Ø138mm to Ø80mm allowing for clamping of workpieces with a limited supporting surface. It is offered with a M24 bolt and only comes in one standard height.
SYSTEM 68 TO SYSTEM 40 REDUCTION Used in cases where a fixture already has the smaller SYSTEM 40 clamping knob. This allows the reuse of current fixtures without the need to modify or replace them.
Ø80
Ø80
SYSTEM 40 Knob (Sold Separately)
M24xP3
Ø25 h7
Hex 6 (Max 15 Nm) (Max 11 ft-lbs)
SYSTEM 68
Ø38
Ø138
Hex 10mm
Ø138
ACCESSORIES
ACCESSORIES
Catalog Number
Weight (lbs)
Catalog Number
Weight (lbs)
15.500.720
9.7
15.500.731
10.3
KNOBS PG. 40
KNOBS PG. 40
• All dimensions are in millimeters • Bolt included • For other length options, please consult the BIG DAISHOWA Engineering Dept.
• All dimensions are in millimeters
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.
Ø80
SYSTEM 40 Knob (Sold Separately)
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.
Hex 6 (Max 15 Nm) (Max 11 ft-lbs)
The SBC Knob is ground undersize. It will bring the bottom of the workpiece or fixture down on the top of the UNILOCK chuck.
SYSTEM 68
Ø138
93
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