34results about How to "Improve lubrication and cooling" patented technology

The invention relates to a system for the nanofluid minimal quantity lubrication electrostatic atomization controllable jet flow inner cooling technology. According to the system for the nanofluid minimal quantity lubrication electrostatic atomization controllable jet flow inner cooling technology, based on the electrostatic atomization principle, minimal quantity lubrication cutting fluid fog droplets can be controllably distributed during jetting, the evenness of a fog droplet spectrum can be improved, the deposition efficiency can be improved, the fluid effective utilization rate can be increased, the motion law of the fog droplets can be effectively controlled, in this way, pollution to the environment is reduced, and better health security is provided for workers. The system comprises an adjustable high-voltage direct-current power supply, an inner-cooled cutter converter, a high-voltage electricity converting device and an integrated spray nozzle. A minimal quantity lubrication system supplies minimal quantity lubrication cutting liquid to an inner-cooled drill bit through the inner-cooled cutter converter. The adjustable high-voltage direct-current power supply conducts positive electricity to a needle electrode of the integrated nozzle through the high-voltage electricity converting device, the adjustable high-voltage direct-current power supply makes negative electricity be grounded and transmits the negative electricity to a workpiece through an electromagnetic connector, and then a corona charging field is formed in the needle electrode-workpiece area; in this way, corona charging is conducted on the minimal quantity lubrication cutting fluid, and then electrostatic atomization function is achieved.

The invention discloses a lubricant circulating device based on a sliding bearing, as well as a manufacturing process of the lubricant circulating device. The lubricant circulating device essentially consists of a bearing bracket, a guide base and an oil tank; an oil transportation duct which is connected to a port of a cold oil inputting pipe penetrates a duct mounting hole of the oil tank and is connected to a thread hole of the guide base, and is communicated with a cold oil storing cavity; a hot oil outputting pipe is connected to the oil tank and is communicated with an oil returning hole, thereby forming a system-cold oil-hot oil/cold oil-lubricant circulating-inputting/outputting loop; meanwhile, under the synchronous control of various corresponding equipment, the scheme of arranging the lubricant circulating inputting/outputting loop system is implemented. Through the lubricant circulating device, the sliding bearing which is matched with the motor, the water pump and other host equipment is not only compactly structured but is adaptive to the high-speed operation of the host equipment, and the sliding bearing cannot change the connecting and mounting size of the original machine and can ensure the circulation of the lubricant; the bearing bush can not generate heat; the equipment system is stable, reliable and safe in operation; the lubricant circulating device is suitable to be used as a supporting product of various power equipment, especially for as a supporting product of various heavy-load engineering machineries.

The invention provides injecting devices for emulsified liquid of an eighteen-roller cold-rolling mill. The injecting devices comprise four side supporting frames. The side supporting frames are each provided with an upper backing bearing roller, a side supporting roller and a lower backing bearing roller. A second injecting device is arranged in the position, close to each side supporting roller and each lower backing bearing roller, of each side supporting frame. The second injecting devices comprise injecting beams, a plurality of first nozzles and a plurality of second nozzles, wherein the multiple first nozzles and the multiple second nozzles are installed in the length direction of the injecting beams, the first nozzles face towards the side supporting rollers, and the second nozzles face towards the roller seams of working rollers. According to the injecting devices, the second injecting devices are arranged on the side supporting frames on the basis of unchanging original first injecting devices on side supporting beams, the emulsified liquid is injected into strip steel in the position of the roller seams and the side supporting rollers simultaneously through the second injecting devices, so the lubricating cooling effect of the strip steel in the position of the roller seams is improved, and thus the rolling speed is improved, the rolling energy consumption is reduced, and the surface quality of the strip steel is improved; meanwhile, the side supporting rollers are further cooled, and hence the control precision of the strip shape of the strip steel is improved.

The invention discloses a nanofluid magnetic grinding fluid and a magnetic field assisted minimal quantity lubrication system. Magnetic ferroferric oxide nanoparticles in the nanofluid magnetic grinding fluid can be adsorbed on the surface of graphene to form magnetic lubricating mixed particles; the nanofluid magnetic grinding fluid forms spray under the action of the minimal quantity lubricationdevice, magnetic lubrication mixed particles in the spray are uniformly spread in a machining area of a workpiece under the action of the magnetic field auxiliary device to be lubricated and cooled,and the magnetic lubrication mixed particles are collected through the recovery container and can be reused. According to the invention, graphene is used as a lubricant, and the magnetic effect and the minimal quantity lubrication technology are combined for lubrication and cooling, so that the lubricant can be efficiently utilized, the lubrication and cooling effects are greatly improved, energyis saved, the environment is protected, and the industrial production requirements are met.

The invention provides a nano layer lubrication diamond grinding wheel grinding method based on a shock wave cavitation effect. The method is characterized in that after an air pressure adjusting valve is opened, shock waves generated by an accelerating tube push nano particles to move forwards, and then the nano particles are accelerated by a small laval tube to obtain a high initial speed; meanwhile, a wave source of a shock wave accelerating module generates high-frequency and high-strength shock waves to impact the nano particles with the initial speed, so that the nano particles are continuously accelerated downwards in the axial direction of a large laval tube until the nano particles are embedded into the surface of a grinding wheel at the highest speed to form a nano layer; the other wave source is used for cleaning impurities on the surface of the grinding wheel; and in the machining process, the nano particles of the nano layer are autonomously released in a grinding core area, so that self-lubricating cooling in a grinding area is achieved. The method greatly enhances the lubricating cooling effect, and also conforms to the concept of green development.

The invention provides a nanolayer lubricating diamond grinding wheel grinding device based on an impact wave cavitation effect for solving the problem that a grinding solution affected by an air barrier is hard to enter a grinding core region. The device specifically comprises a control system, an accelerating module, an impact wave accelerating module, a machining module and a recovery module. The control system controls operation of the device; the accelerating module is composed of an accelerating pipe, a small La Farr pipe and the like, so that nanoparticles gain initial speeds; the impact wave accelerating module composed of an electromagnetic coil, an impact head, an impact ball, a wave collector, a large La Farr pipe and the like generates two wave sources, wherein one of the wavesources cleans impurities on the surface of the grinding wheel while the other one impacts the nanoparticles with initial speeds to the surface of the grinding wheels to form a nanolayer; in the machining process, the nanoparticles in the nanolayer are released to the grinding core region autonomously, so that the grinding region is self-lubricated and cooled; and the recovery module is used for recovering the nanoparticles to use the nanoparticles repeatedly. The nanolayer lubricating diamond grinding wheel grinding device not only improves the lubricating and cooling effect, but also meets an environmental-friendly development idea.

The invention discloses lubricating oil for stamping machinery. The lubricating oil consists of the following raw materials in parts by weight: 100-300 parts of III-type basic oil, 500-800 parts of PAO (Poly Alpha Olefin) synthetic oil, 50-80 parts of mineral oil, 10-20 parts of animal and plant grease, 1-5 parts of zinc dialkylphosphorodithiloate, 5-7 parts of petroleum sulfonate, 1-6 parts of benzoic acid, 3-5 parts of an T2XX anti-oxidation preservative, 1-3 parts of polymethacrylate, 1-2 parts of a PPD (Pour Point Depressant) improver and 1-5 parts of triethyl-hexyl phosphoric acid. According to the lubricating oil for stamping machinery, the synthetic oil is adopted as basic oil, the mineral oil and the grease oil are added, the III-type basic oil is adopted as neutralizing oil, and additives are added, therefore, the volatilization time of the lubricating oil can be reasonably controlled, the lubrication and cooling effect of the stamping process can be improved, environment pollution is eliminated, and the production environments are improved.

The invention provides a cutting lubricating method directly acting on a tool-scrap interface and a cutting tool and relates to the technical field of machining. According to the method, a lubricant is directly conveyed to the tool-scrap interface through a passage penetrating to the tool-scrap interface from the tool and acts on tool cutting operation; the cutting tool comprises two parts of a tool body and a tool rod, the tool is internally provided with the passage penetrating to the tool-scrap interface of the tool body from the bottom face of the tool rod, and the passage is divided intoa micro passage body located in the tool body and vertical upper and lower sections a lubricating pipeline located on the tool rod; on the tool-scrap interface of the tool, a microtexture is arrangedwith an upper opening in the micro passage body as the center, and a lower opening of the lubricating pipeline is connected with a lubricant supplying system; a main cooling cavity is formed in the lower end of the micro passage body, a secondary cooling cavity is formed in the upper end of the micro passage body , and a circulating pipeline is arranged at the lower end of the secondary cooling cavity; and a lower opening of the circulating pipeline is connected with the lubricant supplying system. The cutting lubricating method has the beneficial effects that the lubricant directly acts on the tool-scrap interface, the lubricating and cooling effects are excellent, using of the lubricant is reduced, the cost is reduced, and environment protection is achieved.

A friction plate for wet-running applications includes an annular main body having a first and a second surface. A friction lining having first oil grooves and second oil grooves is disposed on at least one of the first and the second surfaces. The first oil grooves extend from a radially inner end face of the friction lining in the direction towards a radially outer end face of the friction lining and terminate at a distance short of the radially outer end face, and the second oil grooves are disposed directly adjoining the first oil grooves in the radial direction and have a smaller maximum width in the circumferential direction than the first oil grooves. The first oil grooves are provided with a cross-sectional widening in the region of a radially outer end. The cross-sectional widenings of the first oil grooves are disposed at different radial heights.

The invention discloses a total synthesis glass cutting fluid which comprises the following main components: triethanolamine borate, sebacic acid, PEG-400, polyacrylamide, ammonium polyphosphate, starcool TOR, fluorescent green and alkaline electrolyzed water. The total synthesis glass cutting fluid has good lubricity cooling performance, the whole process of circulation of a working fluid is freeof bubble, glass powder has fast sedimentation speed, operators are not allergic to the total synthesis glass cutting fluid, and the working fluid has excellent anti-rust performance. The total synthesis glass cutting fluid is mainly used for processing precision glass components such as optical glass, camera lenses, LCD glass panels and optical instruments.

The invention discloses a nanofluid minimal quantity lubrication and atomization cooling ultra-precision cutting medium supply system. The system comprises a workbench, a compressed air path, a nanofluid liquid path, a cutter, a workpiece to be machined and a jet flow atomization nozzle; the cutter and the workpiece to be machined are arranged on the workbench and move in the same direction or away from each other; the jet flow atomization nozzle is arranged on one side of the cutter, and the second end of the jet flow atomization nozzle faces a cutting area, making contact with the workpiece to be machined, of the cutter; and the second end of the jet flow atomization nozzle sprays three-phase bubble flow to the cutting area at the near sound speed. By arranging the jet flow atomization nozzle, high-speed atomization of the nanofluid can be achieved through compressed air, a large number of tiny liquid drops are formed after the nanofluid is sprayed out, the tiny liquid drops are evenly attached to the cutting face of the cutting area, and therefore the technical problem existing when the existing nanofluid is directly used for cutting is effectively solved.