
This chapter describes the lens centering procedures according to the type of lens:
•
Description of the centering environment
(
F
p.38)
•
Centering a single vision lens
(
F
p.46)
•
Centering a progressive lens
(
F
p.49)
•
Centering a bifocal lens
(
F
p.53)
•
Centering an executive lens
(
F
p.55)
•
Centering a mid-distance lens
(
F
p.57)
This chapter also describes the procedure for lens blocking
(
F
p.62)
and the control and blocking
compensation
(
F
p.67)
.
1. C
ENTERING
ENVIRONMENT
This section describes the centering screen and the various centering modes available:
•
Description
(
F
p.38)
•
Legend screen
(
F
p.42)
•
Job call
(
F
p.45)
a. Description of the centering blocking system
Pre-requisite: before carrying out the centering of the lens, supply a posiblock and a pad Essilor.
Centering
Lower the tube manually.
Insert the posiblock and its pad in the centering device.
1
2
Delta - Edging System > V1- 02-2020
38
U
SER
M
ANUAL
> IV. C
ENTER
AND
BLOCK
A
LENS
Summary of Contents for DELTA
Page 1: ...User Manual ...
Page 6: ...I INTRODUCTION ...
Page 8: ...II FIRST STEPS WITH DELTA ...
Page 17: ...III CARRY OUT AN OPTICAL TRACING ...
Page 35: ...IV CENTER AND BLOCK A LENS ...
Page 68: ...V MODIFYING THE LENS SHAPE ...
Page 78: ...VI PREPARING A DRILLED JOB ...
Page 90: ...VII EDGING A LENS ...
Page 122: ...VIII SET UP THE PRODUCT ...
Page 142: ...IX MAINTENANCE AND SERVICING ...
Page 173: ...X TECHNICAL DATA ...
Page 178: ...XI GENERAL INFORMATION ...
Page 183: ...GLOSSARY ...