15results about How to "Reduce grinding temperature" patented technology

The invention discloses a complex profile part ultrasonic vibration grinding device suitable for a surface grinding machine and an operation process thereof, a workpiece is fixed at the output end of a stepped amplitude-change pole of an ultrasonic vibration device through a bolt, and a sliding bearing supporting seat is mounted in the middle of a shell of the ultrasonic vibration device and plays a role in supporting a sliding bearing; the tail portion of the ultrasonic vibration device is fixed to the indexing chuck through a chuck, the servo motor drives the indexing chuck to achieve accurate indexing, and the sliding bearing supporting seat and the indexing chuck are fixed to a surface grinding machine workbench through bolts. The ultrasonic generator is started, a high-frequency electric signal is transmitted to the piezoelectric ceramic transducer assembly through the cable, the high-frequency electric signal is converted into high-frequency longitudinal vibration, and the high-frequency longitudinal vibration is transmitted to the workpiece after being amplified by the stepped amplitude-change pole, so that the workpiece generates high-frequency ultrasonic vibration. Ultrasonic vibration auxiliary grinding of complex surface parts on a surface grinding machine is achieved, the removal rate of grinding materials is increased, the grinding force and the grinding temperature are reduced, and grinding burns are reduced.

The invention discloses a spiral groove grinding wheel of an asymmetric trapezoidal turbulent flow structure and a preparation method, the spiral groove grinding wheel comprises a grinding wheel body, a spiral groove is formed in the grinding surface of the grinding wheel body, and the section of the spiral groove is rectangular; a turbulent flow structure is arranged in the spiral groove, the cross section of the turbulent flow structure is in an asymmetric trapezoid shape, and the bottom edge of the turbulent flow structure is in an arc shape and completely attached to the bottom face of the spiral groove. The turbulent flow structures are distributed at equal intervals in the spiral groove by taking the spiral groove as a guide; the asymmetric trapezoidal turbulent flow structure is additionally arranged on the surface of the spiral groove grinding wheel, the flow characteristic of grinding fluid can be improved, the absorption effect of the grinding fluid on the surface of the grinding wheel is improved, the effective flow of a grinding arc area in the grinding process is increased, and then grinding heat exchange is further enhanced.

The present application relates to the field of diamond grinding equipment, in particular to a single crystal diamond nanometer level profile grinding equipment, a nanometer air floatation C shaft is installed on the top of the upper end of the marble bed body, vibration-free rotating arc is ensured, the rotating precision is controlled to be below 30 nanometers, a fine adjustment X direction base is installed on the upper end of the nanometer air floatation C shaft, a coarse and fine differential head is installed on the fine adjustment X direction base, a fine adjustment Y direction base is installed on the upper end of the coarse and fine differential head, a planetary main shaft is installed on the side of the upper end of the marble bed body corresponding to the fine adjustment shaft, an air floatation main shaft is installed on the front of the planetary main shaft, the air floatation main shaft is arranged on the eccentric side of the front of the planetary main shaft, and a grinding wheel is installed on the air floatation main shaft, so that the air floatation main shaft can rotate while the planetary main shaft moves simultaneously, revolution and rotation are realized, tools are simultaneously ground, each direction of the single crystal diamond is adapted, uniform grinding is realized, and super-precision profile grinding is achieved.

The utility model relates to the technical field of machining centers, and discloses a machining center with a cutter grinding device, which comprises a machining table, a through groove, a mounting groove and a placing groove are formed in the inner side surface of the machining table, a sliding groove is formed in the inner side surface of the placing groove, and a cutter grinding mechanism and a clamping mechanism are arranged on the inner side surface of the machining table; the knife sharpening mechanism comprises an adjusting part and a cooling part; the cooling part is located on the top face of the adjusting part. According to the knife sharpening mechanism, a first motor in an adjusting part is used for starting the first motor, so that the first motor drives a first threaded rod, the first threaded rod drives a threaded block, the threaded block drives a supporting plate, a knife sharpener, a door-shaped branch pipe and a corrugated hose to descend, the knife sharpener is used for sharpening the knife, and a water pump is started while knife sharpening is conducted; the water pump pumps the water storage tank through the connecting pipe, and pumped water enters the corrugated hose through the branch pipe, is sprayed out from the door-shaped branch pipe, falls into the filter screen and finally enters the water collection tank, so that the water storage tank is cooled, the grinding temperature is reduced, and the cutter is prevented from overheating deformation.

The utility model discloses a high-speed grinding wheel for glass processing, and relates to the technical field of glass processing. Comprising a grinding wheel seat and a grinding wheel mounted at the top end of the grinding wheel seat and used for grinding. The outer cambered surface of the grinding wheel seat penetrates through the inner cavity of the grinding wheel and is provided with a plurality of groups of dewatering ports at equal radian, and the inner wall of the positioning bottom plate is provided with a plurality of groups of water distributing grooves corresponding to the dewatering ports. According to the high-speed grinding wheel for glass processing, through collaborative optimization of materials, structures and functions, the glass processing efficiency and quality are remarkably improved. By adopting the design of the high-strength diamond material, the silicon carbide and the ceramic abrasive, the cutting hardness and the thermal conductivity are guaranteed during high-speed operation, the stress concentration problem is relieved, and the overall service life of the grinding wheel is prolonged. Rapid circulation and throwing-out of the cutting fluid are achieved, the grinding temperature is effectively reduced, glass edge breakage or burning is avoided, and the surface smoothness under 12 m / min high-speed machining is ensured.

The invention relates to the technical field of transformer substation switch knife switch contact maintenance, in particular to a transformer substation switch knife switch contact electrified polishing device and a polishing method.The transformer substation switch knife switch contact electrified polishing device comprises two positioning plates and further comprises a controller, a sliding mechanism, an angle adjusting mechanism, a surface treatment mechanism and a purging mechanism; the sliding mechanism comprises a mounting plate, a driving assembly, a sliding plate, two sliding blocks, two sliding rails and four connecting plates, the angle adjusting mechanism comprises a supporting plate, a telescopic assembly and a rotating assembly, the surface treatment mechanism comprises a grinding wheel, a rotating rod and an electric control assembly, and the blowing mechanism comprises a diffusion pipe, a transmission assembly, an air blowing assembly and a speed increasing assembly. According to the live-line grinding device and method for the switch disconnecting link contact of the transformer substation, the working state of the device can be monitored in real time in the grinding process, the safety of live-line work is guaranteed, the problem that power-off work cannot be conducted in high-power-consumption areas is solved, and live-line work can be achieved.

The invention discloses a deburring device for processing brake discs of new energy vehicles, and relates to the technical field of brake disc processing. The device comprises a base, a mounting disc is installed on the base, a rotating mechanism for rotating the brake disc is installed on the mounting disc, a grinding mechanism for double-sided grinding of the brake disc is arranged on one side of the rotating mechanism, and a transmission mechanism for driving the grinding mechanism to move is arranged on the mounting disc. The invention realizes that when grinding the ceramic carbon brake disc, the grinding and deburring process is carried out in a closed environment by closing the protective cover through the arrangement of a protective cover, an argon gas bottle, a water tank, etc., so as to prevent grinding chips from splashing, thereby improving the safety of the equipment. At the same time, the ceramic carbon brake disc is isolated from air during the grinding process through the circulating argon gas protective atmosphere, so as to prevent the ceramic carbon brake disc from being oxidized during the grinding process. Moreover, the filtering and cooling of the water tank can reduce the grinding temperature when the argon gas is continuously introduced, so as to further prevent the oxidation of the ceramic carbon brake disc.

The present invention provides a turbine disc tenon-groove forming grinding device and method, which relate to the field of grinding processing. Aiming at the problems of low processing efficiency and poor processing accuracy in the current cup-type grinding wheel processing, avoidance parts are reserved upstream and downstream of the grinding part of the grinding wheel. The avoidance parts can reduce the weight of the grinding wheel and reduce the difficulty of driving and controlling the main shaft, thereby improving the processing accuracy. The avoidance parts are used for the turbine disc to pass through to reduce the difficulty of feeding, facilitate switching of processing positions, and improve processing efficiency.

The invention provides a grinding wheel and a production method and application thereof. The grinding wheel comprises the following raw materials in parts by weight: 15-35 parts of a composite adhesive, 70-100 parts of a grinding material, 5-15 parts of a self-adaptive friction regulator and 6-10 parts of a wetting agent. The grinding wheel is high in compressive strength, good in self-sharpening performance, low in average friction coefficient of a grinding pair interface when used for grinding, high in grinding amount and large in grinding ratio. The production method of the grinding wheel comprises the following steps: (1) material mixing: firstly mixing the grinding material, the self-adaptive friction regulator and the wetting agent, and then mixing the mixed wet material with the composite adhesive; and (2) forming: putting the mixed material obtained in the step (1) into a forming mold, carrying out compression molding, demolding and then carrying out curing treatment. The production method is simple, the defects of the grinding wheel can be effectively reduced, the compressive strength of the grinding wheel is improved, and the service life of the grinding wheel is prolonged.

The invention discloses a small-size bending conversion vertical direction ultrasonic auxiliary grinding device which comprises a transducer rear cover plate, piezoelectric ceramics and an ultrasonic amplitude-change pole, bending vibration ultrasonic transducers comprise transducer rear cover plates, piezoelectric ceramics and ultrasonic amplitude-change poles, and the left side and the right side of a vibration conversion body are each provided with one bending vibration ultrasonic transducer. The vibration conversion body fixes the bottom plate through the shell, the bottom plate is fixed to a grinding machine workbench, the thin end face of the ultrasonic amplitude-change pole is fixedly connected with the vibration conversion body, front-back grooves are formed in the ultrasonic amplitude-change pole in the front-back direction, vertical grooves are formed in the ultrasonic amplitude-change pole in the vertical direction, and the front-back grooves and the vertical grooves are alternately distributed in the axis direction of the amplitude-change pole. Compared with a traditional vertical ultrasonic vibration device, the small-size auxiliary grinding device capable of converting from bending to vertical direction to ultrasonic vibration has the advantages that the size of the device in the vertical direction is greatly reduced, the application range of ultrasonic vibration auxiliary grinding is widened, and the grinding force and the grinding temperature are reduced.

The invention relates to an automatic polishing system for seat bars. The automatic polishing system comprises a rack, a fixed polishing mechanism is fixed to the rear side of the upper end of the rack, a movable polishing mechanism is fixed to the front side of the upper end of the rack, a feeding table is arranged on the left side of the rack, a discharging table is arranged on the right side of the rack, and a conveying mechanism is arranged between the feeding table and the discharging table; through the combination of the movable grinding mechanism and multi-layer transmission, the system has high flexible adaptability and can effectively treat seat bars of different shapes and sizes, a spiral shape of the arranged grinding barrel forms a heat dissipation channel, heat accumulation caused by friction and grinding can be effectively controlled, and the heat dissipation efficiency is improved. And through the design of anticlockwise spiral lines of a second grinding barrel in the movable grinding mechanism and a heat dissipation channel, the grinding temperature is reduced, excessive heating is prevented, and efficient and stable operation of the system is ensured. The device achieves remarkable achievements in the aspects of improving the production efficiency, optimizing the surface quality, reducing the energy consumption, improving the system stability and the like, and an advanced and reliable solution is provided for the production process of the seat manufacturing industry.

A bearing flange superfinishing grinding device with an automatic feeding function relates to the technical field of precision grinding equipment and comprises a square integrated base, a square grinding protection box is welded to the upper surface of the integrated base, a grinding operation table is fixed to the inner bottom surface of the grinding protection box, and an assembly mounting frame of a C-shaped structure is welded to the upper surface of the grinding operation table. An automatic feeding and discharging system and an ultra-precision grinding assembly are arranged in the grinding protection box. A clamping transfer assembly is further arranged in the grinding protection box. The problems that in the prior art, when the bearing flange is subjected to ultra-precision grinding machining, the production efficiency and the automation degree are low, the machining precision and stability are insufficient, the machining flexibility of a composite surface is poor, and the working environment and the integration degree need to be improved are solved.

The invention discloses a detachable grinding wheel, device and method for turbine disc mortise grinding, and relates to the field of grinding machining.The detachable grinding wheel comprises a grinding wheel base body and grinding parts, the grinding wheel base body is provided with at least two grinding parts in the circumferential direction, and the grinding parts are detachably connected with the grinding wheel base body; the grinding wheel base body is a clamping plate base body or a cup-shaped base body, the grinding part is a claw-shaped grinding part or a fan-shaped grinding part, the claw-shaped grinding part and the clamping plate base body form a claw-shaped grinding wheel, and the fan-shaped grinding part and the cup-shaped base body form a fan-shaped grinding wheel. The grinding wheel base body part and the grinding part can be detached, the manufacturing, maintaining and using cost is reduced, and the mortise machining efficiency is improved.

The invention discloses a brush cathode auxiliary double-electrolysis grinding device and method suitable for a titanium alloy screw. The brush cathode auxiliary double-electrolysis grinding device comprises a workpiece electrolysis module, a grinding wheel online electrolysis finishing module and an electrolyte module. According to the method, the screw workpiece and the metal bond grinding wheel serve as electrolytic objects at the same time, online electrolytic finishing machining of the grinding wheel is achieved, electrolytic grinding machining of the workpiece is achieved, and therefore high-precision surface quality and high grinding efficiency are achieved; metal removal mainly depends on an electrochemical effect and a mechanical effect, an anodic oxide film is mainly removed, and a base material of a workpiece is not ground, so that the grinding temperature and the grinding force are reduced, the abrasion of a grinding wheel can be effectively reduced, and meanwhile, the service life of the grinding wheel is prolonged. The brush can take away abrasive dust inside the spiral groove of the screw and attached to the grinding wheel in the double-electrolysis grinding process, adhesive abrasion of the grinding wheel is reduced, and the surface smoothness of a workpiece is improved.

The application belongs to the technical field of pipeline butt joint, and particularly relates to an auxiliary butt joint equipment for pipeline welding, which comprises a butt joint table, a supporting frame, a butt-sending type splicing mechanism and a heat-conducting type end grinding mechanism. The supporting frame is arranged on the two sides of the butt joint table. The butt-sending type splicing mechanism is arranged on the upper wall of the butt joint table. The heat-conducting type end grinding mechanism is arranged at the middle position of the upper wall of the butt joint table. The butt-sending type splicing mechanism comprises a clamping assembly, a driving assembly and a pushing assembly. The auxiliary butt joint equipment for pipeline welding can grind the end face of the pipeline before butt joint, improve the smoothness of the butt joint end face of the pipeline, reduce the splicing gap, keep the butt joint area and the surrounding surface of the pipeline dry, and improve the welding quality.