Online thickness gauges are now widely used in various industries
The thickness of the coating itself is invisible, but the thickness of the coating plays an important role in the properties of the coating, such as the color of the coating. The thickness of the coating is inconsistent, resulting in a mismatch in the color of the coating. Therefore, in order to match the color of the parts, it is necessary to Control coating thickness. If the coating is too thin, it will cause the substrate to be visible; if the coating thickness is too large, it will affect the gloss, smooth surface and texture of the product. For the protective coating, if the coating is too thin, it will easily cause the coating to fall off and fail to protect the mechanical parts.
Coating thickness is very important. Commonly used coating thickness measurements include microscopes and contact thickness gauges, but these can only be used for contact thickness measurement after the coating is cured. There are many factors that affect the coating thickness, such as changes in temperature, humidity and coating equipment, etc. will cause process deviations.
The traditional coating thickness measurement method is to control the coating process at the back end of production and measure the coating thickness of the cured sample. If the parts are large, you need to wait for several hours for cooling time. If you use a microscope To measure the coating thickness of the sample, it takes several days to get the measurement results. If the coating process does not meet the requirements, it needs to be reworked in large quantities, and the powder consumption will increase.
Therefore, the continuous real-time non-contact measurement of the coating thickness of the moving workpiece in the production process is very important. The real-time process control can be realized through the online thickness gauge of the applicator, and the non-contact and non-destructive thickness of the early coating can be measured at the front end of the production line by using the ATO photothermal method. Measurement, the coating thickness can be measured in just a few seconds, reducing rework and scrap, increasing production efficiency by 5%, and reducing powder consumption by 30%.
Comparison of several online non-contact non-destructive thickness gauges
Application Introduction of Tumoshi Online Thickness Gauge
Tumoshi online thickness gauge is widely used in various industries.
1. Mahle company uses the online thickness gauge Inline to realize the effective monitoring of the lubricating coating on the piston
Mahle company uses the online coating thickness gauge to measure the thickness of the lubricant coating on the piston. The thickness of the lubricant coating is applied by the screen printing process. Usually, it is necessary to wait for the coating to cure before using the contact A type thickness gauge measures the coating thickness to check whether the coating thickness meets the requirements. If it does not meet the requirements, it needs to be reworked. After Mahle company used the Tumoshi online thickness gauge, it directly and non-destructively measured the thickness of the uncured lubricant coating. The measurement position was determined by programming, and the coating thickness on the piston was accurately detected. By using the Tumoshi online thickness gauge, Mahle company reduced Reduce the number of rework, improve production efficiency, and through automatic and continuous recording of 100% data, statistics and uninterrupted traceability of the entire production process.
2. NTN Kugelfabrik Company uses Tumagist online thickness gauge Inline to efficiently measure the coating thickness of wheel bearings
NTN Kugelfabrik needs to spray wet zinc flake primer and topcoat on steel wheel bearings. Previously, the contact coating thickness measurement method was used for the wet zinc flake primer and topcoat coating. Cross-sectional analysis, this method suffers from measurement delays, resulting in long setup times for new production lines. Now the company is using Tumoshi online non-contact wet film thickness measurement system. After the spraying process is completed, it can directly and automatically measure the thickness of the wet film coating online, and obtain the dry film thickness in real time. Based on the Tumoshi online thickness gauge Online data documentation realizes the process control of the spraying process, thereby shortening the setting time of the production line, reducing paint consumption and improving production efficiency, and the online thickness measurement data is recorded in the ERP system throughout the process, which is convenient for them to provide customers with complete product quality documentation .
Tumoshi Online Thickness Gauge Inline Introduction
Tumoshi online non-contact non-destructive thickness gauge Inline can automatically measure coating thickness directly on the production line, and can continuously and accurately measure moving workpieces on the production line. ), various colors (not limited by white or light colors), the measurement data is automatically recorded in the ERP or MES system, which can be used to statistics and continuously trace the entire production process, and optimize the coating equipment through the statistical analysis of film thickness data The replacement cycle and production process of consumables. Weng Kaier Company as the general agent of Tumoshi in China
