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3.1.4
Leeb U Testing Procedure
The Equotip 550 Leeb U enables the user to quickly and precisely diag-
nose roll imperfections, hardness inconsistencies and uneven winding,
thereby preventing problems for printing and converting operations.
With Equotip Impact Device Leeb U automatic impact direction mode is
not supported and the user must select the appropriate impact direction
manually (90° down, 45° down, 0°).
As for roll hardness testing no conversion curves are used, no material
group has to be selected.
Conduct impacts by cycling through "position and trigger".
Figure 7:
Leeb U Testing Procedure
NOTE! Some features mentioned in this Operating Instruc-
tions are specifically addressing metal hardness testing ap-
plications and therefore not available for Equotip Leeb U.
© 2016 Proceq SA
1. Position the probe on the roll to be
tested. Make sure to fully posi-
tion the support ring on the roll to
ensure an impact perpendicular to
the test surface.
2. While holding the impact device
firmly with two hands, slide the
loading tube smoothly down to
load and trigger an impact.
Move the impact device to the next
point on the roll and repeat.
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