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20
ECCENTRICS AND V-WHEELS EXPLAINED
Eccentric nuts and V-
wheels are a quick and reliable way of eliminating carriage “slop,” unwanted movement
between the carriages and rails. When tensioning eccentrics, try to only turn the nuts clockwise. Rotating
counter-clockwise could cause the bolted connection to come loose. If this occurs, re-tighten bolts using both
the 10mm wrench and either the 3mm or 4mm hex key.
Our HD eccentric nuts consist of a heavy-duty 10mm nut attached to a central post/spacer with threads
slightly off-center. The spacer end fits snugly into the carriage plate from one side and a V-wheel is tightly
screwed on from the other. The central spacer with offset threads now acts as a cam, converting the
rotational motion of turning the eccentric nut into linear motion at the V-wheel.
The dimple on the side of the nut is a reference point to the widest distance to the offset threads. When the
dimple is facing up, the lower V-wheel is at its farthest distance from the fixed upper V-wheel; the V-wheel
is
OPEN
. When the dimple is down, the V-wheel is at its closest distance to the fixed upper V-wheel and the
V-wheel is
CLOSED
. See
Figures 3-4
and
3-5.
Not much tension is needed in order for the carriage to be secure. The wheels should only be snug against the rail.
Reach under and spin the V-wheel with your finger. If it rotates freely, keep tightening the eccentric nut until you
feel some friction against the v-rail. The carriage should be free from slop and travel smoothly without bumps.
Figure 3-4
Figure 3-5
Содержание SHAPEOKO XXL
Страница 1: ...X X L A S S E MB L Y G U I D E ...
Страница 14: ...docs carbide3d com 12 Figure 2 2 Step 2 Baseframe ...
Страница 20: ...docs carbide3d com 18 Figure 3 2 Step 3 Carriages ...
Страница 29: ...support carbide3d com 27 Figure 4 2 Step 4 Gantry ...
Страница 34: ...docs carbide3d com 32 Figure 5 2 Step 5 Belting ...
Страница 40: ...docs carbide3d com 38 Figure 6 2 Step 6 Drag Chains ...
Страница 48: ...docs carbide3d com 46 Figure 7 2 Step 7 Proximity Switches ...
Страница 52: ...docs carbide3d com 50 Figure 8 2 Step 8 Wiring ...
Страница 57: ...support carbide3d com 55 Figure 9 2 Step 9 Cleanup ...
Страница 60: ...docs carbide3d com 58 Figure 10 2 Step 10 Compact Router ...