Weco Edge 550, Manual

Page: 158 / 221

Maintenance... Adjustments
Edge 580 - Edge 550
5-157
5.6.3 A
DJUSTING LENS SIZES
5.6.3.1 W
HEN
?
>
Perform this adjustment regularly. The wear of the wheels has a direct influence on the lens sizes, which
increases over time. This will help you to avoid retouching.
>
Centre the lens 10 00 205 exactly in the centre so as to be able to use it from start to finish size adjustment.
> When you measure the lens size with a digital caliper, keep the lens in the same flat as the caliper. Undertake
two consective measurements at 90° and record their average with the numeric keypad.
> Perform the size adjustment procedure from beginning to end so as to record all the parameters.
5.6.3.2
PROCEDURE
Follow the steps below to adjust sizes :
#1
#2
#3
#4 Make sure the 25 mm adapters are fitted.
#5 Fit a lens n° 10 00 205 on the lens holder shaft after blocking it at the
centre.
#6
#7 At the end of the edging process, open the lens holder shaft and
remove the lens.
#8 Measure the size of the lens with a digital caliper.
#9
#10 Enter the value using the numeric key-pad.
#11
#12 OR
Repeat the edging process
> Lens edged to diameter 55 mm - Rimless finishing
> Lens edged to diameter 57,5 mm - Rimless finishing
Follow the
usual procedure