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Craftsmanship Competition: Striving for Precision to the Millimeter—The First “Bent-Roller Seal Replacement Skills Contest” at Huayun New Materials’ Intelligent Manufacturing Plant Concludes Successfully
Release time:
2026-04-24
Skills are the foundation of one’s standing, and craftsmanship is the soul of manufacturing. To improve inspection and maintenance quality and reduce equipment downtime for overhauls, the Production and Intelligent Manufacturing Plant successfully held its first “Bend-Roller Seal Replacement Skills Competition” on April 20–21. This was not only a test of technical expertise but also a profound demonstration of adherence to standardized operating procedures.
On the morning of April 20, the competition officially kicked off in the production and office area. Han Lehua, Manager of the Production Equipment Department, presided over the event, while Li Gang, Plant Manager of the Intelligent Manufacturing Plant, delivered a speech and declared the contest open. At his command, 12 frontline maintenance technicians stepped onto the stage one after another, eagerly preparing to compete fiercely in the core task of “replacing bend roll seals.”
This competition rigorously simulated real-world maintenance scenarios, with events covering the entire operational chain—from removing the old gland seal to completing the installation of the new one. At the venue, competitors remained calm and executed their tasks with skill. Timing began the moment they picked up the cylinder head and continued until the component was smoothly set down after installation. Every step adhered strictly to established procedures: carefully inspecting seals for deformation, aging, or burrs; thoroughly cleaning groove contaminants and deburring; verifying that the gland contact surface was smooth and undamaged; and, following installation, repeatedly checking that the sealing ring fit evenly without distortion.
The judges scrutinized every detail, assigning quantitative scores item by item and leaving no critical factor that could affect equipment efficiency unchecked, truly achieving the goal of “using competition as training and evaluation to drive improvement.”
The competition is not the end but the starting point for standardization. Moving forward, the workshop will organize award-winning participants to share their best practices. Led by the Equipment Systems Team of the Production Equipment Department, the optimal operating procedures will be formalized into standardized work processes, establishing a “bend‑roller preparation and replacement model” to drive cost reductions under the project and ensure that the competition’s outcomes truly support daily production.
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