OIML is the "International Organization of Legal Metrology (International Organization for Legal Metrology)" in French. Established in 1955, its purpose is to provide and promote legal measurement systems and measuring instruments in various countries to have a common international basic electronic scale . The CMC measurement certification mark refers to the special mark used by the product quality inspection agency that obtains the measurement certification qualification certificate and the product inspection certificate ( inspection report form ) according to the inspection item defined on the certificate . When using the measurement certification mark , the position of the mark shall be printed on the upper left of the “ Product Inspection Certificate †or “ Inspection Report Form †; and the electronic scale shall be marked below the mark with the certificate of conformity certification number . The CE mark is a safety certification mark and is considered as a passport for manufacturers to open and enter the European market. CE stands for CONFORMITE EUROPEENNE . All products bearing the “CE†mark can be sold within the EU member states without having to comply with the requirements of each member country, thereby realizing the free circulation of electronic merchandise within the EU member states . Http:// Excavator Cylinder Piston Seals
Precautions for the installation of hydraulic cylinder piston seals in excavators
Hydraulic cylinder piston seals, hydraulic cylinder seal, boom seal Safe Seal Technology Co., Ltd. , https://www.jolseals.com
1. The sealing of the oil cylinder piston should use products of reliable quality to ensure good sealing performance.
2.Before installing the oil cylinder piston seal, the seal and sealing groove should be cleaned to ensure that the sealing surface is free of impurities.
3. When installing the seal, the correct installation sequence and direction should be carried out according to the drawing requirements to ensure the correct installation of the seal.
4.When installing the seal, special tools should be used to avoid using sharp tools and hard objects to damage the seal.
5. When installing the seal, attention should be paid to whether the seal groove is damaged or worn. If so, it should be replaced or repaired in a timely manner.
6. When installing the seal, an appropriate amount of lubricating oil should be applied to avoid friction damage to the seal during installation.
7.When installing the seal, it should be ensured that the compression of the sealing ring meets the requirements to avoid excessive or insufficient compression leading to seal failure.
8.After installing the seal, a sealing test should be conducted to ensure that the sealing performance meets the requirements.