1、Main testing items:

Finished condition:

● Cleanliness                                                                                       ● Clearance

● Starting torque or friction torque                                                       ● Environmental tests (e.g. salt spray test, etc.)

● Other dimensional and positional errors                                           ● Residual magnetism

● Accuracy testing (dimensional accuracy, rotational accuracy, etc.)                               

● Rotational flexibility, appearance quality, etc.                                         

● Vibration performance (acceleration type, velocity type, peak, etc.)

● Sealing performance (grease leakage, temperature rise, dust protection), grease filling volume                

Part Status:

● Contour surface shape error                                                             ● Contour curvature                           

● Roundness, corrugation                                                                    ● Surface roughness (various parameters)

● Precision measurement of various types of shape and position errors

● Precision measurement of all types of length and angle measurements    

● Rolling body accuracy (e.g. steel balls, needle rollers, various types of rollers)  

● Material or heat treatment quality (hardness, metallographic microstructure, non-metallic inclusions, carbide inhomogeneity (reticulation, banding, segregation, etc.), carburisation layer, decarburisation layer, surface burns, crushing load, etc.)

Various specialised tests:

● Life and reliability test                                                                       ● Tensile test                                                              

● Joint bearing fit test                                                                           ● Static load test

● Compression tests                                                                            ● Friction wear test

● Surface stress test                                                                            ● Industrial CT probing        

● Various general tests and tests                                           

● High and low speed oscillating wear test

Various analyses:

● Failure Analysis                                                                                  ● Scrap Analysis

2、Major calibration items:

● Standard ring gauges (ID, OD, taper, etc.)                                        ● Bearing vibrometer

● Residual Magnetometer                                                                    ● Roundness Gauge

● Roughness gauge                                                                             ● Universal Calipers

● Bearing width comparison gauges                                                    ● Bearing Clearance Gauge

● Torsion Spring Comparison Gauge                                                   ● Mechanical Comparator

● Thousand, per centimeter                                                                  ● Micrometer

● Internal and External Diameter Measuring Instrument

3、Major technical advisory projects:

Scope of Work:

● Testing technology for bearings and related products

● On-line quality control technology for bearings and related products

● Application technology of bearings and related products

● Adjustment technology of special instruments and related gauges for bearings

● Consultancy on quality control technology and quality management experience