E2 Systems BE 481, Manual

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3. Positive stop.
When more exact drilling depth or reverse position is desired, the positive stop is used. The units control
system must then be fitted with a time valve so that the feed spindle continues forward a short time
(0,5-2 Sec.) after the pneumatic or electric impulse from the position sensor.
First a somewhat shallower (e.g. 0,5 mm (.019 In)) drilling depth or reverse position is set than that
desired in point 2. The drilling depth or reverse position is then set using the adjustment screw, see Fig.
12. Pos. 2, and locked into position with a lock nut. Please note that the impulse from the position
sensor must be received before the feed spindle reaches the positive stop.
4. Working feed rate.
Setting the limit for the working feed rate is performed using the valve on the hydrocheck. The
adjustment is from 100% (full open) down to 0%. See Fig. 14, Pos. 1.
ONLY, adjust the working feed rate when the spindle is in “home position”.
Fig. 14.
Start-up
1. Ensure that the responsible operator has read and understood the manual before start-up of the unit.
2. Ensure that the safety measures in chapter "Security" are met before the start-up of the unit.
3. Follow possible local safety regulations.
4. Ensure that the installation is performed as described in chapter "Installation".
5.
Check that the spindle rotates in the right direction.
6. Before starting check the setting of the transition to the working feed so that the tool does’nt enter the
workpiece at rapid speed.