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Proposed Final Design:
Proposed Final Design:
Figure1 : PnID for circuits on test
There are two Arduinos controlling the system. One Arduino controls the air system and the stepper motor. The another one controls the temperature. Figure 1 shows the outline of the system.
The heat sink:
The heat sink has cartridge heaters and a RTD inside of it to monitor its heat level, it is firmly seated to the shell.
The shell:
The shell is the housing for the heat sink and the connector for the adapter. It attaches to the linear actuating mechanism as well as the linear bearing.
The bellows and the bellows adapter:
The adapter is seated into the shell and is the modular swapping mechanism for the seals. The adapter holds the different types of seals that can be swapped out easily for different testing. It hits a hard stop on the pedestal.
The pedestal
The pedestal is a hard stop mechanism for the adapter it has some compliance so that we can overdrive the motor so that we have a factor of safety on the error in case we lose a step over millions of cycles.
The stepper motor and Linear Bearing: it controls the main body goes up and down. It corresponded with the air system.
The Endstop switch: this parts place on the linear rod. There are two Endstops, which one on the top and another one on the middle to prevent failure. When the main body goes "too" high or "too" low than expected, the Endstop switch will stop it for damaging the machine.
The 3 way solenoid valve:
The solenoid valve is controlled by the Arduino so that the vacuum and the blow-off switch depended on the function of Arduino signal.
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