120results about How to "Quick polish" patented technology

A method capable of quickly polishing an angular portion formed by a grinded back surface and a circumferential surface of a substrate without causing damages on the thin substrate is provided. The method includes rotating the substrate about its center, and pressing a polishing tape against the angular portion formed by the back surface and the circumferential surface of the substrate to polish the angular portion.

The invention relates to a desktop type grinding and polishing belt sander working table. The working table comprises a mechanical arm, a fixture, a robot controller, a single-drive grinding and polishing mechanism, a grinding motor, a programmable logic controller (PLC) control system and a working table body; the mechanical arm and the single-drive grinding and polishing mechanism are mounted on the upper surface of the working table body; the fixture is mounted at the free end of the mechanical arm in a replaceable manner; the robot controller is arranged in the working table body to control the motion of the mechanical arm; the single-drive grinding and polishing mechanism is located in front of the free end of the mechanical arm and comprises a grinding mechanism and a polishing mechanism; and the PLC control system controls the grinding motor to drive the grinding mechanism and the polishing mechanism simultaneously to operate. The working table has the beneficial effects as follows: small machined parts can be ground and polished quickly, and the production efficiency is high; a belt sander is simple to operate, the precision is high, the flexibility is good, the occupied area is small, and movement and popularization are convenient; and multiple belt sanders can be combined for production, the automation degree is high, and modularization and standardization are easy to realize.

The invention discloses a preparation method of a 42CrMo steel casting rolling forming ring member sample for EBSD (electron back-scattered diffraction) testing and belongs to the technical field of ring member forming process electron microscope sample preparation. The preparation method is characterized by including following steps: (1), cutting sample units Q: cutting sample units Q1, Q2 and Q3 with length c=5-8mm, width k=3-4mm and height h=2-3mm at different positions along a radial wall thickness direction in a middle section in the height direction of a 42CrMo steel casting rolling forming ring member; (2), grinding: grinding the sample on an automatic grinder until glossiness of the surface is 12-13 grade; (3), ultrasonically cleaning; (4), preparing electrolysis polishing liquid; (5), electrolytically polishing: adopting self-made electrolysis polishing equipment to conduct a polishing experiment, wherein voltage is 25-30V, current is 0.6-0.8mA and time is 50-60s; (6), cleaning: sequentially putting 4-5 beakers containing a certain amount of anhydrous alcohol; (7), pre-observing: observing a slightly-corroded indistinctly-visible crystal boundary on the surface of the sample under a metalloscope. The preparation method is simple and low in investment, and the sample prepared by the method can be used for EBSD observation under a scanning electron microscope to obtain clear crystal boundary orientated images.

A polishing apparatus and method has a function of polishing a surface of a film formed on a substrate to a flat mirror finish and a function of polishing unnecessary metal film such as copper film deposited on an outer peripheral portion of the substrate to remove such unnecessary metal film. The polishing apparatus comprises a surface polishing mechanism comprising a polishing table having a polishing surface and a top ring for holding the substrate and pressing the substrate against the polishing surface of the polishing table to thereby polish a surface of the substrate, and an outer periphery polishing mechanism for polishing an outer peripheral portion of the substrate.

The invention provides an ultrasonic magneto-rheological chemical composite polishing device. The ultrasonic magneto-rheological chemical composite polishing device comprises a rack, a cup-shaped polishing disc, a magneto-rheological tool head and an ultrasonic vibration mechanism, wherein the cup-shaped polishing disc is arranged on the rack and used for containing a working solution and placing a workpiece to be machined, and the cup-shaped polishing disc can move back and forth in the horizontal plane relative to the rack; the magneto-rheological tool head has magnetism and is used for being inserted into the working solution and acting with the working solution to enable the working solution to form a magneto-rheological grinding head; and the ultrasonic vibration mechanism comprises an ultrasonic generator, an ultrasonic transducer electrically connected with the ultrasonic generator and ultrasonic amplitude transformers arranged at the output end of the ultrasonic transducer, the ultrasonic amplitude transformers are arranged up and down, the magneto-rheological tool head is arranged at the lower ends of the ultrasonic amplitude transformers, the upper ends of the ultrasonic amplitude transformers are connected with the output end of the ultrasonic transducer, and the ultrasonic transducer is arranged on the rack in an up-down moving mode. According to the polishing device, ultrasonic high-frequency vibration, the acoustic-chemical effect and the magneto-rheological effect are combined, and therefore the polishing effect can be effectively improved.

A method of forming copper interconnects includes: depositing a dielectric layer on a silicon wafer substrate; forming vias and/or trenches in the dielectric layer; next, depositing a barrier layer and a copper seed layer sequentially from bottom to up on the dielectric layer; depositing a copper layer on the copper seed layer, and performing an annealing process; then performing a multi-step polishing process to remove bulk coppers and stopping at the barrier layer; performing a planarization process to remove the barrier layer on the surface of the dielectric layer, a portion of the dielectric layer, and a portion of the copper in the vias and/or trenches to form the copper interconnects in the dielectric layer.

A polishing system based on a non-Newtonian fluid and a polishing method thereof are provided. The polishing system includes a polishing device, a non-Newtonian fluid auxiliary device and a control device. The polishing device is able to move a work piece in a polishing container containing the non-Newtonian fluid with abrasives that cause the polishing action. The non-Newtonian fluid auxiliary device is able to manipulate the viscosity of the non-Newtonian fluid by varying the pressure, speed, vibration or ultrasonic frequency, which causes the abrasives to polish the work piece. The control device is used to optimize the polishing process by controlling how the polishing device moves the work piece inside the polishing container. In this way, by using the polishing method, the polishing system provided is able to polish a work piece with any three-dimensional shape.

The invention relates to a polishing device, in particular to a circular pipe polishing device for heating and ventilation. According to the technical scheme, the circular pipe polishing device for heating and ventilation can be used for polishing multiple circular pipes, lightens the working burden of workers, and improves the polishing efficiency. The circular pipe polishing device for heating and ventilation comprises a base plate, a driving mechanism, a supporting seat, a first mounting plate, rotating mechanisms, a sliding rail, a sliding block, a lifting plate, a transmission mechanism,a polishing mechanism, a lifting mechanism and a second mounting plate. The second mounting plate is fixedly connected to the top of the base plate through the supporting seat, and the driving mechanism is fixedly connected to one side of the base plate. The multiple rotating mechanisms are fixedly connected to the first mounting plate at equal intervals. The circular pipe polishing device for heating and ventilation has the beneficial effects of comprehensively and quickly polishing the multiple circular pipes, improving the polishing efficiency, and lightening the working burden of the workers.

The invention relates to mechanical part machining equipment, in particular to surface bothway polishing rust removing equipment for mechanical steel tube parts. The surface bothway polishing rust removing equipment for the mechanical steel tube parts can polish the surfaces of the steel tubes rapidly and comprehensively, and time and labor can be saved in the polishing process. The surface bothway polishing rust removing equipment for the mechanical steel tube parts comprises a base plate, supporting plates, sliding sleeves, a connecting plate, a sliding rail, a sliding block, a first guide sleeve and the like. The left side and the right side of the upper side of the base plate are both connected with the supporting plates. The lower portions of the front sides of the supporting plates are both connected with the corresponding sliding sleeves. By adoption of the surface bothway polishing rust removing equipment, the effects of being capable of polishing the surfaces of the steel tubes rapidly and comprehensively and further capable of saving the time and labor in the polishing process are achieved; and by adoption of the mode that a first polishing wheel and a second polishing wheel are used for polishing the upper sides and the lower sides of the steel tubes separately, the surfaces of the steel tubes can be polished quickly, and the danger caused due to the fact that usersdirectly operate a polishing machine can be avoided in the polishing process.

The invention discloses a plasma polishing device used for quickly polishing aspheric surfaces with medium and large calibers. The plasma polishing device consists of a plasma source, a robot, a sealing part, an argon-fluorine waste gas treatment part, an electrical control system, a base, a polishing workbench, a to-be-processed optical part and a nitrogen gas inlet part, wherein the robot, the to-be-processed optical part and the polishing workbench are arranged on the base; the plasma source is positioned above the to-be-processed optical part; the to-be-processed optical part is clamped on the polishing workbench; the robot controls a movement posture of the plasma source, so that the plasma source is always perpendicular to the surface of the to-be-processed optical part; the sealing part adopts an integral sealing structure which is isolated from the outside atmosphere; the polishing of the whole device is controlled by the electrical control system; the nitrogen gas inlet part can be used for charging nitrogen with concentration which meets experimental requirements; and the argon-fluorine waste gas treatment part is used for exhausting the treated waste gas into the atmosphere. The plasma polishing device has the main advantages that the robot is adopted for control, processing operation instrumentation can be conveniently realized, and engineering production application can be realized.

The invention provides a diamond grinding fluid dedicated for sapphire polishing and a preparation method thereof. The diamond grinding fluid is composed of white mineral oil, plant oil, and diamond micropowder according to a ratio of 10-40 mL: 15-45 mL: 0.3-1.2 g. Diamond micropowder is well dispersed and stably suspended in the compound dispersion system composed of white mineral oil and plant oil. The diamond grinding fluid has the advantages of high grinding efficiency, environment-friendliness, and low cost.

The invention discloses a multifunctional minitype steel ball polishing machine, and relates to the technical field of steel ball production tools. Supporting feet are mounted at the bottom of an outer box body. An upper box cover and a lower box cover are mounted at the upper end and the lower end of the outer box body correspondingly. A polishing barrel is arranged in the outer box body. A rotating shaft of the polishing barrel is mounted on the outer box body through a bearing pedestal. A polishing shaft body is mounted in the polishing barrel. A drive motor is mounted on the right side wall of the outer box body through a support. A shaft of the drive motor is connected with a shaft of the polishing barrel through a shaft sleeve. A spraying disc is mounted on the left side wall of thepolishing barrel. A water inlet is arranged on the lower left side wall of the outer box body. A filter is mounted on the outer side wall of the water inlet. A water pump is mounted on a water outletof the filter. A water outlet of the water pump is connected with a spraying pipe through a water pipe. According to the multifunctional minitype steel ball polishing machine, fast polishing and cleaning can be achieved, meanwhile, cyclic spray washing can be achieved, and the multifunctional minitype steel ball polishing machine is convenient to use and easy and convenient to operate; and when the multifunctional minitype steel ball polishing machine is used, the polishing speed can be adjusted, meanwhile, functional diversification can be achieved, and the efficiency can be improved.

The invention provides novel straw compression forming equipment, and relates to a compression forming device of fiber materials. The novel straw compression forming equipment comprises a main driving mechanism, a precompression mechanism and a compression mechanism. The precompression mechanism comprises a second motor, a feeding box, a precompression packing auger and a forced feeding turnover plate, a reinforcing compression cavity is formed in the outlet end of a compression cavity, and is of a left-and-right buckling structure, the two sides of the reinforcing compression cavity are connected with connecting rod mechanisms respectively, the connecting rod mechanisms are connected with a hydraulic station, the hydraulic station is controlled by an electric drive travel switch, and the hydraulic station and the electric drive travel switch are in linkage and automatic control through a PLC control cabinet. Based on the working principle that main machine volume variable physical extrusion and auxiliary machine forced feeding extrusion are combined, the materials are conveyed, extruded and dehydrated, the equipment is especially suitable for compression forming of straw type biomass, and the compressed materials are low in water content and small in density.

The invention discloses water-oil soluble nanocarbon crystal abrasive paste. The water-oil soluble nanocarbon crystal abrasive paste is mainly prepared from, by weight, 10-25 parts of nano carbon crystals, 1-10 parts of water, 20-30 parts of oleic acid, 10-20 parts of vaseline, 15-30 parts of kerosene, 15-25 parts of peanut oil, 5-15 parts of fungicide, 0.2-2 parts of sorbitan fatty acid ester and 0.2-2 parts of an OP-emulsifier. The invention further discloses a preparation method of the water-oil soluble nanocarbon crystal abrasive paste. The prepared abrasive paste has the advantages of being green, environmentally friendly, non-corrosive, low in cost and good in grinding effect and is applicable to measuring tools, cutting tools and optical instruments made from glass, ceramic, hard alloy, natural diamonds, precious stones and other hard materials and machining of other high-finish-degree workpieces.

The invention discloses a method for measuring volume fraction of gamma' phase in nickel-based single crystal superalloy, and belongs to the technical field of nickel-base single crystal high temperature microstructure analysis. The method comprises the following steps: (1) preparing a sample; (2) obtaining an image; (3) processing the image; (4) measuring and calculating; and the like. The calculation method for measuring the volume fraction of the gamma' phase in the nickel-based single crystal superalloy aims at the problems that in the prior art the method for measuring the volume fractionof the gamma' phase in the nickel-based single crystal superalloy has relatively-big errors in measurement results and poor repeatability, is not suitable for the measurement of the volume fraction of the gamma' phase in a micro zone. The calculation method for measuring the volume fraction of the gamma' phase in the nickel-based single crystal superalloy has the advantages of accurate measurement calculation results, small error, good repeatability, reliability, simple operation, convenience, quickness, and the lik, and can be used to measure the volume fraction of the gamma' phase in the nickel-based single crystal superalloy. The method is easy to implement and is suitable for the measurement and calculation of the volume fraction of the gamma' phase in the nickel-based single crystalsuperalloy.

The invention relates to a robot air bag polishing device. A polyurethane polishing piece is pasted on a rubber grinding head, a grinding head pressing block and a base are connected and fixed through threads, the rubber grinding head is clamped between the grinding head pressing block and the base, a hollow rotating platform is installed on a platform installing plate, one end of the platform installing plate is connected with the base, the other end of the platform installing plate is connected with a servo motor, the platform installing plate and a robot installing plate are connected through a connecting plate, the robot installing plate is installed on a six-axis robot, a waterproof plate is installed on the platform installing plate and the robot installing plate, an air compressor is connected with an air pipe, and the air pipe is inserted into a high-speed rotating connector. The robot air bag polishing device provided by the invention can be used for surface contact polishing and can also be used for surface finishing similar to point contact; compared with a traditional planetary motion grinding head, the rotating speed is higher, and polishing can be conducted faster; and the six-axis robot is adopted to replace a traditional machine tool, so that displacement is more flexible, and aspheric workpieces with higher machining difficulty can be machined.

The invention discloses profile end face polishing equipment which comprises a rack, a motor and two supports. The motor and the supports are arranged on the rack. A polishing sheet is arranged on the motor. The two supports are arranged on the rack through rails. The rails comprise the first rail arranged on the rack and a second rail which is arranged on the first rail and is perpendicular to the first rail. The second rail is in sliding connection with the first rail through a first sliding block. The support is in sliding connection with the second rail through a second sliding block. Baffles are arranged at the two ends of the second rail. The supports are of U-shaped structures, and a fixed plates connected with the baffles are arranged in grooves of the supports. By means of the arrangement of the two perpendicular rails, the end face of a profile can be polished through movement of two freedom degrees, the equipment can be suitable for multiple profiles, production efficiency is improved, and the flatness of the profile is guaranteed.

The invention discloses a special hub outer circle polishing machine. The special hub outer circle polishing machine comprises a polishing machine body; the polishing machine body is provided with a support wheel; an ejecting wheel is arranged in a direction opposite to the support wheel, and is connected into a guide frame groove formed in the polishing machine body through a return spring; the polishing machine body is provided with a thousand impeller for polishing a hub outer circle; the thousand impeller is driven by a thousand impeller motor arranged on a slide rail; a push rod cylinder and a return spring are arranged on two sides of the thousand impeller motor; the polishing machine body is provided with a guide mechanism below the ejecting wheel; the guide mechanism includes a placing column; the placing column is connected with a guide piece parallel to the polishing machine body; and a distance between the guide piece and the polishing machine body is equal to a thickness of a hub. The special hub outer circle polishing machine is simple in structure, can quickly polish the hub outer circle, and can adapt to polish the hub outer circles with different sizes.