1.
2.
3.
4.
5.
8. Blocking a lens
This section describes the procedures for lens blocking depending on the selected option:
blocking preparation (p.57)
blocking (p.59)
a. Prepare blocking
Several accessories are available to perform blocking:
posiblocks and pads
tubes
Posiblocks and pads
22 mm posiblock
18x14 mm posiblock
Magnet
Fin
Tab
The posiblocks and their corresponding pads are supplied with the edger.
Always use Essilor pads: they are specially designed to ensure the performance of your machine for quality jobs.
The pads are non re-usable.
Do not stick pads on posiblocks in advance as they may loose some of their holding power.
The posiblock must never be placed on the rear (inner) surface of the lens.
Blocking in Boxing center or in optical center
Depending on your working practice, you can choose to block the lenses:
in the boxing center of the shape (recommended),
in the optical center.
In the event of blocking in the optical center, the posiblock position on the shape may be off center.
BLOCKING IN BOXING CENTER (BLUE CROSS) BLOCKING IN THE OPTICAL CENTER (TEST CARD)
To Next Page
Loading...
Need help?
General
