Case studies a precision air conditioners (TCU/ECU)
Precision inspection equipment temperature control
The inspection conditions need to be defined for inspection equipment to verify the quality, so by introducing a precision air conditioner, reproducibility is also guaranteed, and this feature has been well received by users.
Surface plate temperature control
Temperature control of the surface plate is essential in precision machining which requires a high level of precision etc. Apiste’s products are employed for the purpose of maintaining machining accuracy and suppressing expansion and contraction of the surface plate.
Temperature and humidity control for cream soldering process
Stable temperature & humidity control for the cream soldering process reduce the viscosity changes of the cream solder and the defective quality due to solder bleeding and sagging.
Precision inspection equipment temperature control
Temperature control is important in the process of continuously and accurately measuring the properties of materials automatically. Sensors mounted on workpieces and measuring equipment have temperature characteristics, and results may vary depending on the ambient temperature. The PAU unit can easily supply the optimum air for the inspection environment.
Since the mechanical properties of workpieces change due to temperature changes, it is necessary to evaluate in a constant test environment in order to obtain highly reliable results. Humidity control is also important if the specimen is highly hygroscopic. By introducing a precision air conditioner, it is possible to create a stable test environment that is not affected by the season or weather.
In order to suppress the expansion and contraction of the photomask in the exposure equipment, it is necessary to supply cold air and stabilize the temperature. The PAU unit realizes air that requires temperature, humidity, and cleanliness.
Environmental standards have been established for engine bench tests, and it is necessary to keep the temperature and humidity of the intake air of the engine constant. The PAU unit easily supplies air with stable temperature and humidity, greatly improving evaluation efficiency.
A dispensing equipment is a device that dispenses a fixed amount of liquid. By controlling the temperature according to the object to be dispensed, the accuracy of the dispensing volume can be improved.
If the temperature and humidity are not controlled, the viscosity of the coating fluid will fluctuate, resulting in changes in diffusion speed and adhesion, resulting in variations in film thickness. It is necessary to keep the ambient temperature and humidity constant to prevent changes in the viscosity of the coating liquid. Controlling temperature and humidity with the PAU unit leads to improved yield rate.
Ultra-precision machining equipment
The ambient temperature change occurs expansion and contraction to several microns in the workpiece, machine frame, and also the feeding device. A small temperature change in the surrounding environment leads to processing defects in micron and nano-processed parts. Therefore temperature control is very important.
Humidity control is particularly important in the tablet manufacturing process. Failure to maintain optimal humidity can lead to product defects (cracking, chipping, sticking, etc.). The PAU unit can easily control temperature and humidity with high accuracy, contributing to yield rate improvement.
Charge/discharge equipment (battery tester)
Standards for performance and safety evaluation of secondary batteries are stipulated by JIS and IEC, and it is necessary to protect the ambient temperature during evaluation tests. Continuing to supply a constant amount of air at a constant temperature contributes to the stability of data.
The changes in temperature and humidity and extreme impact on viscosity produced by the solvents and cream solders used in printing processes can cause smearing, undercutting, and abrasion. Printers therefore need precise temperature and humidity management year round.
Mold presses press down on and solidify powdered substances, and the quality of this process is affected by the temperature and humidity conditions where powdered substances are stored. Precisely controlling temperature and humidity inside the equipment and in the storage area ensures that quality is maintained when pressing powder into form.
A prober performs precision measurements of a microscopic object by making contact with the object with a probe. Since temperature can change the characteristics of the object being measured, the probe and the surrounding environment require stable temperatures.
An electronic balance conducts high-precision measurements of substances. When changes in temperature and humidity change the substance of the object being measured, consistent evaluation of the substance is not possible. Precise temperature and humidity control makes it possible to consistently reproduce measurements.
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