With a variety of advanced instruments and a group of experienced professional experts, HISUN can perform rigorous internal inspection and quality control in the production process to meet the requirements of the customers. Hisun’s products strictly comply with ISO/ TS16949:2002. In addition, HISUN can also provide technical support or consulting servic on bearing application analysis.

Advanced instruments of HISUN

• Taylor roundness measuring equipment
• Taylor profiler measuring equipment
• Zeiss length-measuring Instrument
• Metallographic microscope
• SKF vibration tester
• Industrial CT

Main items of test/inspection in HISUN

　Bearing Materials

• Mechanical Performance Test
• Chemical element analysis
• Microstructure analysis

    Bearing

• Precision
• Clearance
• Residual magnetism
• Vibration
• Grease leakage
• Fatigue life
• CT scanning

    Bearing parts

• Roller element precision (ball, needle roller, roller)
• Surface roughness
• Roundness
• Hardness
• Raceway curvature