Corpus Christi Army Depot - Rotor Project


CH-47 Aft Rotor Shaft Heat Treating System: used to heat treat the rotor shaft after cadmium, nital etch and chromium plating to reduce hydrogen embrittlement. The multi-zone system automates the various heat treating procedures that rages from 5 hours to 24 hours and at different temperatures.
CH-47 Aft Rotor Shaft Heat Treatment System, also known as RTCS (Radial Thermal Curing System). Multi-zone heaters and computer controlled with data logging. Integral laptop, printer, power monitoring/distribution, and UPS.
The Completed RTCS. The unit is tested and being prepared for crateing and shipping.
A MIL-810 certified ruggedized laptop is used to control the cure process. The laptop communicates with the control electronics using an isolated RS485 bus. A stand-alone Yokogawa video cart recorder is used for independent quality conrol.
Product delivery, installation, testing, and training at our customer's site.
MS-Windows based software (running on a ruggedized and MIL-STD-810 dertified laptop) provides user friendly operator interface, performs independent PID control loop calculations for the various zones, and records all temperatures for further analysis.
A pair of assembled custom stainless steel band heaters. A total of twelve different zones (5 different sizes) are used.
Three thermocouple digitized boards, one I/O board, and 12 solid-state relays measure and control the twelve-zone heat treatment system for up to a 24-hour long cure. Built-in fail-safe features automatically generate visual and audible alarms report errors and anomalies.
Thermocouples are used to sense part temperature for each heating zone. This picture depicts T/Cs installed before a test cure.
Our designers are part of the prototype team to ensure a quality built product.
Quality control inspection being performed on each steel band heater.
 
 
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