Are you having trouble with leak tests after cleaning? We contribute to reducing errors caused by the influence of work temperature and eliminating misjudgments.
When the workpiece temperature is high, such as after a cleaning process, the temperature changes caused by heat exchange with the clamp fixture can affect the measurements. At this time, by measuring the workpiece temperature and correcting the measurement values based on the correlation characteristics between the differential pressure change, which becomes an error, and the workpiece temperature, it is possible to achieve high-precision leak measurement and reduce misjudgments.
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basic information
◆ Automatic Mapping 1. Data Collection for Room Temperature and Cleaning Work Leak tests will be conducted under the same conditions as the actual production line to determine the temperature correction values. ◆ Use samples without leaks. ◆ Data will be collected from room temperature to after the cleaning process. ◆ The collected data can be verified on this sampling data (scatter plot) screen. 2. Confirmation of Sampling Data The collected data can be verified on this sampling data (list) screen. 3. Determination of Correction Formula Using the sampling data, the temperature correction values will be determined. By selecting either the least squares method or the averaging method, the temperature correction values can be automatically determined.
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◆Reduction of errors due to the influence of work temperature ◆After cleaning the workpiece
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Company information
The Air Leak Tester from Cosmo Instruments started with the automation of cylinder block airtightness testing in 1970. It is utilized in various fields such as automotive parts, gas, water supply, medical, electrical, electronics, and food industries. Since 1983, we have begun our overseas expansion in line with the overseas development of Japanese automotive manufacturers. Currently, we are conducting proposal activities and after-sales service activities similar to those in Japan from 24 locations in 13 countries. Recently, to respond to the electrification of automobiles, we have enabled leak testing of electrification components such as battery cases and inverters, as well as fitting tests for various power connectors, contributing to our customers' CO2 emission reduction efforts. Additionally, we have donated pressure measurement equipment to technical schools in South Asia and Southeast Asia to improve the quality of education, engaged in technical exchanges with local machinery manufacturers, and worked to enhance the industrial foundation through the production of high-quality leak testing equipment locally. We will continue to deliver the value of "quality" by applying our wisdom on-site for our customers and to contribute to the development of local communities.