2results about How to "Improve tribological performance" patented technology

The application discloses an environment-friendly eutectic solvent anti-friction and anti-wear additive and a preparation method and application thereof, and belongs to the field of lubricating additives.The application uses cetyltrimethylammonium chloride / cetyltrimethylammonium bromide and natural plant source thymol as raw materials, mixes them in a molar ratio of 1:1 to 1:3, stirs them at a constant temperature of 90 DEG C for 2 hours, and thus a sulfur-free and phosphorus-free transparent stable eutectic solvent is prepared without an organic solvent and a catalyst; the solvent is used as an anti-friction and anti-wear additive, is added into lithium-based lubricating grease in an addition amount of 0.5wt% to 2.0wt%, is uniformly dispersed through three-roll grinding, and thus high-performance modified lubricating grease suitable for severe working conditions is obtained.The raw materials are green and renewable, the preparation process is mild and simple, and the environment compatibility is excellent; a low addition amount can significantly reduce a friction coefficient and wear volume, a dense adsorption film is formed on a metal friction surface, and the application is particularly suitable for long-acting anti-friction and anti-wear lubrication under high-speed and boundary lubrication working conditions such as cotton picker picking spindles.

This invention belongs to the field of clutch manufacturing technology and aims to solve the problem that the friction performance of existing heavy-duty clutches gradually decreases over time, thus affecting their transmission smoothness and shortening their service life. To this end, this invention provides a method for preparing a surface-textured clutch plate. The method includes: preparing a mixed powder comprising metal matrix powder, solid lubricant powder, reinforcing phase powder, and a forming agent, and mixing them uniformly in a predetermined ratio; loading the mixed powder into a mold for cold pressing to obtain a green blank with a predetermined geometric structure; sintering the green blank under a protective atmosphere with stepped heating; processing microtextures on the friction surface of the sintered part using an ultrasonic impact device; and cleaning the surface of the ultrasonically impacted workpiece. This invention can optimize the friction performance of the clutch, enabling it to maintain high friction characteristics for a long time and preventing a rapid reduction in the clutch's service life.