Railway wagon axle box cylindrical roller bearing mark introduction

Railway wagon with axle box cylindrical roller bearing 2018 - mark profile 09 - 12 to 1. Manufacture with axle box cylindrical roller bearing manufacturing marking basic tag has bearing type, bearing manufacturing units and manufacturing time. Bearing the nominal inside diameter smaller than prototype called inner diameter 0. 5 mm bearing moment playing again after bearing type 'K1' tag. Manufacturing markers were carved, circles on the large end face and outer end face, bearing type, bearing manufacturing units and bearing manufacturing years on the circumference uniformly distributed in sequence. Manufacture tag for permanent marker, play is to be made by mechanical clear, easy to identify, mark font 3 mm high. 2. First loaded with markup tags have axle box cylindrical roller bearing with axle box cylindrical roller bearing is uniform, and for the first time on the outer ring ( Carving) With unit time mark, symbol and bearing number, between different content to use '- 'separated, specific provisions are as follows: ( 1) With years sign: by two Chinese phonetic alphabet of ZY and 4 digits, ZY to 'with' two words the first letter of hanyu pinyin, 4 digits first two years, said after the two month, such as ZY0607. （ 2) With the unit code is arranged in July with the tag, such as' ZY0607 - × × × '。 （ 3) With the unit serial number includes bearing Numbers for the 4 digits choreography from month to month, arranged in the back with the unit, such as' ZY0607 - × × × - 0002 '. （ 4) Marks ( Carving) Parts: the inner ring on the slope, on the face of outer ring in a word, manufacturing unit code on the right side and manufacture unit code interval of about 30 & deg; , the moment ( Carving) The circumference of the average diameter and bearing the original manufacturing tags are the same. （ 5) Tags can be used acid pen or electric carving machine carved ( Carving) , shall not damage, it is prohibited to use seal carving, wiping and liquid should be used when using acid pen write; Font high 5 mm, fonts, strokes clear, neat rows. With the tag should be permanently retained until the pieces of scrap, maintenance found to describe when you mark the handwriting is not clear. 3. General maintenance have cylindrical roller axle box bearing general inspection marking rolling bearing after general maintenance, are engraved play ( Carving) General markup, maintenance repair unit code, maintenance (date) (month) (year). General maintenance marks ( Carving) Engraving on outer surface and inner ring on the inclined plane. Bearing the general maintenance and repair again after changing the inner ring with unavailable, loaded with the tag in addition to the new change of inner ring engraved ( Carving) Packed with unit time mark, symbol and the same as the outer ring of bearing number, with increased after years in the letter 'H', said once upon change, with the original inner ring, such as' ZY0612H - × × × - 0002 '. Tag is carved acid pen or carving machine ( Carving) , shall not damage, and should be used when using acid pen write wiping fluid; Numbers and letters mark font high 5 mm, fonts, strokes clear, neat rows. （ Source: WeChat public 'resources of railway vehicle)