Chinese Four Contact Ball Slewing Bearing

Slewing ring is a new type of mechanical parts nearly forty years worldwide emerging, it consists of inner and outer ring, rolling body and so on. At present, Chinese slewing bearing finalized production is mainly introduced from Germany in the early 80 s by Tianjin Construction Machinery Research InstituteSlewing ring is widely used in the real industrial application, called the machine joint. It needs relative rotational motion, and also need to support axial force , radial force and overturning moment, so it is a necessary and important mechanical transmission part.Company has established the standard strict quality management system, equipped with advanced three coordinate measuring machine, gantry laser measurement system geometry, material universal testing machine, impact testing machine, electronic load brinell hardness tester, rockwell hardness tester, micro hardness tester, shaw sclerometer, video measuring instrument, Swiss altimeter, Zeiss metallographic microscope, direct reading spectrometer, magnetic powder flaw detector, ultrasonic flaw detector, portable walk-in laboratory (high and low temperature test chamber, salt spray test chamber, electromagnetic vibration table, sealing performance tester, torque tester, granite platform, digital multi-function test bench, wind power (life) test rig, testing and analytical instruments such as all kinds of large-scale, high-precision test instruments and equipment, the rotary bearing raw materials can be the factory reinspection, semi-finished products, finished product shape tolerance of mechanical precision measurement, and complete the type testing of finished products, etc., from raw material chemical composition and mechanical properties to product processing precision and performance index of the whole process quality control.   Through the process of planning, monitoring, data statistics, QC and staff training and so on effective work, implement the product quality, work quality and continuous improvement and improve service quality, meet the wind power generation, medical equipment and  products industries such as high precision, high reliable product performance requirements.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1