5 automatic minimization of static unbalance, English – CEMB USA ER80 (B) User Manual
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Use and maintenance manual Rev. 10-2011
ENGLISH
INFORMATION
The spoke-to-spoke distance must be a minimum of
18° and a maximum of 120° (if not, errors 24,25,26 ap-
pear). Spokes with irregular or inconstant angles can be
compensated.
If the laser option is disabled (MENU), operate as fol-
lows:
turn the wheel to the correction position of the unba-
▪
lance to be split.
move one of the spokes where you want to split the
▪
unbalance to 12 o’clock (e.g. 1) and press
.
Following
▪
the direction of rotation indicated by the
position LED’s, move spoke 2 to12 o’clock and press
. The value to use for correction in position 2 is
displayed
position the wheel on spoke 1 following the LED indi-
▪
cator and correct the unbalance as indicated on the
displays.
To return to the normal unbalance indication press
5.5 AUTOMATIC MINIMIZATION OF STATIC
UNBALANCE
This program is designed to improve the quality of balancing
without any mental effort or loss of time by the operator. In
fact by using the normal commercially available weights, with
pitch of 5 in every 5 g, and by applying the two counterweights
which a conventional wheel balancer rounds to the nearest
value, there could be a residual static unbalance of up to 4
g. The damage of such approximation is emphasized by the
fact that static unbalance is cause of most of disturbances
on the vehicle. This new function, resident in the machine,
automatically indicates the optimum entity of the weights
to be applied by approximating them in an “intelligent” way
according to their position in order to minimize residual static
unbalance.
Initial unbalance
Phase shift
Possible approximations
static residue
static residue
static residue
static residue
With traditional wheel
balancer
Choice with minimum static
unbalance
Use of the wheel balancer