Training Guide Course No. 196514
Level 2 Maintenance, X-1000 Series Dispensing Systems 2-122 P/N 196515 (Revision A)
Information Sheet 2-14-1
Part Heaters
A. Theory of Operation
1. There are two types of part heaters used on the X-1000 Dispensing Systems.
Both types work in accordance with the same theory of operation.
Contact Heaters
Impingement Heaters
2. Heaters can be arranged in any of the three zones along the Conveyor:
Pre-Heat Zone (Pre-Dispense Station)
Dispense Heat Zone (Dispense Station)
Post-Heat Zone (Post-Dispense Station)
3. The temperature parameters for each zone are setup within FmNT. FmNT
communicates with the Conveyor/Heater Controller to regulate heater
operation.
4. Heater temperature is measured by a Resistive Temperature Detector (RTD)
sensing element that provides accurate sensing within Heater operating
ranges of 40° to 150°C (104° to 302° F).
B. Contact Heaters
1. Contact heaters are used for applications in which the part being dispensed
upon may need to come in contact with the heating element, or applications
in which contact with the heating element is not an issue.
2. The heating is a plate of individual heater modules that act as a single unit.
Each plate is equipped with a vacuum that holds the part in place.
3. Operation of the Contact Heater heating elements requires communication
between FmNT, the Conveyor/Heater Controller, and the RTD sensors.
Heater Operation:
- Temperature parameters are setup in FmNT.
- FmNT sends the temperature information to the Conveyor/Heater
Controller.
- The Conveyor/Heater Controller regulates power to the heaters.
- The Conveyor/Heater Controller monitors the temperature from RTD
sensors, adjusts heater power, and reports the information back to
FmNT
4. Operation of the Contact Heater vacuums requires the communication
between FmNT, the Conveyor/Heater Controller, a pneumatic solenoid valve,
and a vacuum generator.
Vacuum Operation:
- The Conveyor/Heater Controller sends a signal to the Pneumatic
Solenoid Valves.
- The air from the Solenoid Valves flows to the Vacuum Generators.
- Vacuum air is supplied to the heaters.
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