Quality Management
Bushing mfg is certified by ISO 9001. With the continuously improved operation management processes, comprehensive professional inspection instruments and high-quality quality team, bushing mfg implements the entire process of quality control through raw material inspection, process monitoring, and finished product inspection. we assures the high quality and traceability of every bearing to our customers.
| Select high-quality steel Check raw material quality Physical and chemical analysis | Quality control plan Control production process CPK monitor of key process In-process quality control Save all process inspection records Quality control of outsourcing components Heat treatment check | OQC standard: Sampling check: S-3 AQL main item:1.0 AQL Sub item:4.0 |
In bushing mfg inspection lab, we are equipped with advanced inspection instruments and testing equipment, e.g.:
| Instrument | Specification |
| SPECTROCHECK metal analyzer | Analysis of 26 elements |
| NITON hand-held metal analyze | Analysis of 23 elements |
| MAHR contour & surface measuring station | Resolution: 2nm |
| MAHR universal form measuring machine | Roundness deviation: 0.01um + 0.00025um/mm measuring height Axial runout deviation: 0.02um + 0.0001um/mm measuring height |
| Length measuring instrument | Accuracy: 0.5um |
| Salt spray testing machine | Neutral salt spray test Acidic salt spray test Temperature and humidity cycle salt spray test |
| Life testing machine | Bearing lifetime test Bearing reliability test |
And yet, we keep bringing in the latest instruments. With all this equipment and our experience, we are able to provide expert quality inspection including material, metallography, hardness, dimension precision, rotation precision, clearance, etc. What’s more, we are also able to do special tests according to customer’s requirement, such as lifetime test, salt spray test, water-resistance test, etc. To further ensure the product quality, we works closely with third party bearing labs and institutions for a product tests.
Quality Creates Value is the slogan of every Bushing mfg employee. We are committed to improving product quality, customer experience, and customer satisfaction.
