New Patent for BaHuan Tech: Testing Device Measures Starting Torque in Angular Contact Ball Bearings
On January 6th, the State Intellectual Property Office officially authorized a utility model patent for Bahuan Technology Group Co., Ltd. and its subsidiary, Bahuan Bearing (Changxing) Co., Ltd.—"Testing Device for Self-Preloaded Back-to-Back Angular Contact Ball Bearings" (Patent No.: CN223769767U).
This patent focuses on the quality control challenges of high-precision angular contact ball bearings. Traditional methods rely on directly measuring preload, which is complex and susceptible to interference. The new device innovatively assesses the preload status indirectly by measuring the bearing's starting torque, thus providing a more efficient and stable assessment of machining quality.
According to the patent abstract, the testing equipment mainly consists of three parts: an outer ring mounting assembly (including a test mounting base and a load block, forming the outer ring positioning area); an inner ring clamping assembly; and a torque measurement assembly.
During the test, the load block is pressed onto the mounting base, simulating the assembly state under actual working conditions, and the system collects starting torque data in real time. This design is particularly suitable for angular contact ball bearings used in back-to-back pairings, helping to improve the consistency and reliability of mass production.
Founded in 1970 and headquartered in Taizhou, Zhejiang Province, Bahuan Technology has been deeply involved in the general equipment manufacturing field for many years. Currently, it holds 229 patents and over 100 trademarks, demonstrating strong independent R&D capabilities. This patent approval further strengthens its competitiveness in high-end bearing testing technology.
As precision equipment places increasingly higher demands on bearing performance, this type of intelligent and alternative testing solution is expected to be widely adopted in the industry, helping domestically produced bearings move towards higher precision and stability.
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