Weco Edge 550, Manual

Page: 68 / 221

Edge 580 - Edge 550
3-67
=> Utilization
3.4 NORMAL USE
To familiarize you with the edger interface and its general operation, we suggest that you carry out the following
jobs.
3.4.1 P
RODUCING A JOB WITH BEVEL FINISHING
3.4.1.1 O
BJECT
Produce a job with the following characteristics :
Mineral > Fragile lens > 1/2-1/2 bevel > Rear safety-bevel = 0.40 mm > Without polishing
3.4.1.2 P
ROCEDURE
To carry out the job described above, proceed as follows :
Flow chart 3-3 : Production of a job with Bevel finishing
Astuce ! To familiarize yourself with the icons associated with each step or obtain more details
of the action required, click on the "object" above or refer to the screen on the opposite
page.
3.4.1.3 H
INTS
⇒
When the edging cycle is finished, remove the edged lens without removing the block so as to be able to
retouch it if necessary.
⇒
If you are unsure about the type of bevel positionning, we advise you to choose Manual type from the main
screen. During the cycle, when the manual finishing screen is displayed, press the Manual Bevel button,
select the type of bevel you wish and visualize the position of the bevel apex directly on the screen.
3.4.1.4 L
IMITS
> If the maximum thickness of the lens is less than 2 mm, the applied bevel will automatically be of 1/2 - 1/2
type, whichever type of bevel is selected initiallly.
⇒
See also “Produce a manual bevel”, page 91 and “Operating range”, page 97.
Select REAR safety-bevel, if desired.
Open a job number
Select MINERAL lens material.
Select FRAGILE lens type.
Select BEVEL finishing.
Select % sub-finishing.
Place the lens in the edging chamber
Start the edging process
Using the Parameters menu, enter the following values :
. bevel positionning percentage = 50% ;
. depth of rear safety-bevel = 0.40 mm.