Axis 7100 Installation Guide Page 248

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Blade Handling
Advanced Dicing Technologies Ltd.
7.4-8
The colors in the Blade Indicator bar indicate the following:
Green: Blade exposure satisfactory, cutting can continue.
Yellow: Blade exposure critical, cutting can only continue for a short time.
(The length of time is defined by the parameters in the Blade category of
the Recipe, as described in Appendix 1.)
Red: Blade requires changing, no cutting possible.
The system provides the following indicators when Blade replacement is
required:
An error message is displayed on the screen
The yellow light of the Light Tower flashes
7.4.2.2.1 Blade Change Detection by Performing Process Height
The System automatically performs the Process Height procedure during
the cutting process at intervals specified in the Recipe, as described in
Chapter 3. If the System calculates a Z position that is outside the
boundaries set in the Recipe (indicating excessive Blade wear), the System
displays an error message with details and troubleshooting instructions,
which indicates that the Blade needs replacing.
7.4.2.2.2 Blade Change Detection Using the Broken Blade Detector (for Systems
equipped with a 2” Spindle and BBD only)
The BBD uses an Optical Sensor to detect partial or total Blade breakage.
The BBD Transmitter, which provides a light source, and the BBD
Receiver are both located at the top of the Cooling Block.
The BBD should be adjusted whenever a Blade is changed or whenever the
Blade exposure has changed due to wear. (The BBD may detect a Blade as
broken when it is, actually, just worn.) Adjustment is not always necessary
when the Blade is replaced with another of the same type; however, the
BBD reading should be checked before using the new Blade.
The BBD is equipped with two Securing Nuts and an Adjustment Nut that
allow manual adjustment and securing of the BBD position. The top
securing nut is a limit nut (a split nut with a securing screw). It can be set
at the required position and then locked in place. This securing nut
position is pre-set at the factory. It is set so that it limits the BBD lowering
and prevents the BBD form touching the Blade (hub type) or the Blade
Flange (hubless type).
The Lower (Adjustment) Nut enables setting the BBD in correct position.
Once the position is adjusted, the BBD is locked in place by the Middle
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