Determining Belt Speed; Determining Clip Delay; Determining Timed Delay - Thermo Scientific Oretronic III Operating & Service Manual

Determining Belt
Determining Clip
Determining Timed
Thermo Fisher Scientific
1. Empty the conveyor belt of all material.
2. Stop the conveyor belt.
3. Place a mark on the belt that will be visible while the belt is running.
4. Start the conveyor belt.
If your system does not use a speed sensor, you will need to know the
belt speed in feet/minute. To determine belt speed:
Speed
1. Measure the length of the conveyor belt in feet.
2. Clock the time, in seconds that it takes for the conveyor belt to make
one revolution.
3. Divide the length of the belt (in feet) by the revolution time (in
seconds) and multiply by 60.
This value is the belt speed in feet/minute.
(Belt Length divided by Revolution Time) x 60 = Belt Speed
(ft/min).
If your system uses a belt clip detector, you will need to know the
distance between the clip detector and a point six inches past the
Delay
receiver coil. This value is the clip delay. It is used to "desensitize" the
TMD so that belt clips and splices can pass through the detector without
tripping it.
To determine clip delay, measure the distance, in feet, from the clip
detector to a point six inches past the receiver coil. Then determine the
time it takes for the splice to travel this distance.
If a belt clip detector is not used, this value should be 0 in setup.
If your system uses a marking device, you will need to know how long it
takes for tramp metal to move from the coils to the marking device.
Delay
This value is the timed delay. It is used to allow enough time for
detected tramp to get to the marking device so that the correct area is
marked. The TMD can track up to 10 detections between the coils and
the marking device.
Installing the TMD
Installing the TMD 2-17
REC-4105 Rev L