12
Cutting Large Circles
Circle Sizes:
Maximum R25” (635mm)
Minimum Radius 7” (180mm)
• Measure and mark out the position, size
and center point of the circle.
• Line up the Compass Hub (15) drilling with
the center point of the circle.
• Screw the Hub into position.
Ensure that the Hub is secured tightly but
still free enough to rotate.
lock
lock
6D
Center/pivot point marking
15
Workpiece
Router cutter
Circle perimeter
Max. Radius 25” (635mm)
• Slide the CRB7 rod assembly through the hub.
• Position the router and cutter using the micro
adjuster if required.
• Lock the router in position using the router
base wing bolts (I).
• Lock the hub pinchbolt (15B)
• Assemble the 10mm compass rods and
tighten using the lock bars.
• Screw the rod assembly into the back of the
CRB fixed guide rod (6D) and tighten using
1 x lock bar.
Min. Radius 7” (180mm)
Before routing the circle ensure that:
The hub and rods are securely fastened.
The center and outer section of the
workpiece are supported.
Tip: To ensure a consistent cutting path always
apply a slight pressure away from the Compass
Hub when routing. If it helps, imagine the rods
are a piece of string and you need to keep the
string tensioned to maintain the distance
between pivot point and router.
15B
I
I
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