Adjust the shape axis position

Adjust the shape axis position

Principle

This adjustment allows you to set the shape axis position in relation to the 22mm or 18-14mm posiblock

Reminders

Shape axis position adjustment condition

•After wheel calibration,
If the shapes are cut off-axis.

For each material, carry out the procedure twice:

•Check the centering of a centered and blocked lens with a posiblock 22 mm for standard diameter shapes.
•Check lens centering of centred and blocked lens and with the posiblock 18×14 mm for the small B-dimension shapes.

Prerequisites

•Lens of each material
•Posiblock and 22 mm and 18/14 mm accessories
•Axis position inspection tool
•Barcodes


Half-eye square


Shape for lens axis position control, centered and blocked with the 18×14 posiblock.


Square


Shape for lens axis position control, centered and blocked with the 22 mm posiblock.






1. Shape axis position adjustments

2. Correction value input field for the axis position with the 18/14 mm accessory

3. Correction value input field for the axis position with the 22 mm accessory

4. Return to the edger work screen (data back-up)

5. Cancel the last modification                                   


Procedure: how to adjust the shape’s axis position

1. Scan to the barcode depending on the adjustment you wish for: 

The shape is displayed in the work area.


2. Select the lens material and prepare its edging in:

•Flat-edge finish or bevel,
•Without drilling, polishing or chamfering.
3. Press      to start the cycle. 

4. Once the cycle is complete, take out the lens and using the axis inspection tool check that the central axis lines up exactly with two angles of the square or the half-moon square. Apply white paint to the edge to allow for better tracing.  

You need to swivel the disk in order to line up the axis positioning tool’s horizontal line with the shape’s angles.

Enter the axis deviation value:

•In clockwise fashion, a positive compensation value for the axis position will be applied.
•In counter-clockwise fashion, a negative compensation value for the axis position will be applied.

Axis deviation of 4° => + 4° Correction to be made

The factory tolerance is ± 0,2°.

5. Go back to the setting screen for the drilling and shape axis position:

6. Press on the value to be modified.

7. Press       to confirm.

8. Once the modification has been made, press     to return to the working screen and save the data


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