168results about How to "Guarantee processing quality" patented technology

The invention relates to a femtosecond laser film micro-nanomachining real-time monitoring device. The device comprises a laser generating system, an external light path system, a PC (poly carbonate) machine and a three-dimensional mobile platform, wherein laser sent by the laser generating system is focused on a focusing mirror through the external light path system; the device is also provided with a spectrum focusing mirror, a fiber optic probe, a spectrometer, an enlargement mode CCD (charge coupled device) and a time delay controller, wherein the spectrum focusing mirror and the fiber optic probe are fixed on the three-dimensional mobile platform; the spectrometer is connected with the fiber optic probe through data lines, and the spectrometer is also connected with the time delay controller through the data lines; and the time delay controller is connected with a femtosecond laser through a signal wire, and the femtosecond laser, the enlargement mode CCD, an optical gate and the three-dimensional mobile platform are connected with the PC machine through the signal lines. The device provided by the invention has the advantages that the equipment is simple, the operation is easy and simple, the applicability is wide, the film micromachining rapid detection is realized, the accuracy for detecting element is very high, the device almost can detect any element, and the detection efficiency and the reliability are greatly improved.

The invention relates to a method for processing the perforated surfaces of a sphere, particularly to a method for processing the irregular perforated surfaces of the sphere by utilizing a general purpose machine and a standard tool. The method comprises the steps of blanking a round bar; coarsely machining a spherical body and reserving a chuck support; quenching and tempering; finely machining the spherical body; coarsely and finely milling planes surface by surface; drilling holes hole by hole; tapping screw holes; checking the measurement of each perforated surface by using a coordinatograph; phosphating and descaling the surface of the spherical body; applying a finish coat on the surface of the spherical surface. Through the method of the invention, the irregular perforated surface of the spherical body, which is conventionally processed by a machine center, can be processed by using the general purpose machine and the standard tool. In addition, the processing quality is ensured, the working efficiency is improved and the cost is reduced.

The invention discloses a clamping device for ring-like parts in milling. The clamping device comprises a rotary table and a plurality of positioning units; the plurality of positioning units are arranged on the rotary table in a circle manner; each positioning unit comprises an equal-height cushion and a positioning mechanism arranged on the equal-height cushion; the positioning mechanism comprises an adjusting support seat fixedly connected with the equal-height cushion, a radial positioning component for radially positioning a workpiece and an axial compacting component for axially compacting the workpiece; and the radial positioning component is arranged on the adjusting support seat. According to the invention, the clamping device for the ring-like parts in the milling can eliminate vibration caused by the milling on the workpiece, thereby improving the milling quality and precision of the workpiece.

The invention discloses a hot shape correction tool for titanium alloy casing parts, comprising an inner ring support, an outer ring support, first radial plate supports, second radial plate supports, third radial plate supports, outer ring press plate components, an inner ring press cover plate and a first fastening stud; in use, a radial plate in a titanium alloy casing part to be corrected, mounted on the inner ring support, is fixed through the inner ring support, the inner ring press cover plate and the first fastening stud; the radial plate in the titanium alloy casing part to be corrected is fixed through the first, second and third radial plate supports; the outer ring press plate components are mounted on the outer ring support and used to fix an outer ring in the titanium alloy casing part to be corrected, mounted in an outer ring support positioning groove. The hot shape correction tool for titanium alloy casing part allows a titanium alloy casing part of special-shaped structure to be thermally shape-corrected after being welded, the processing quality of such part is guaranteed, and the requirements of use are met.

The invention relates to the technical field of electric transmission systems, in particular to a rotating shaft key groove machining method. The method comprises the steps of accurate grinding-pressing-line marking-hole drilling-rough milling-cleaning- finish milling. The hole drilling step is that a twisting flat bottom drilling head of phi 19 is used for drilling a flat bottom auxiliary hole with the depth of 5.8mm in one end of a key groove. The rough milling step is that a high-speed steel stand type milling cutter of phi 19.8 is used for entering the auxiliary hole to mill the key groove in a rough mode, the size key width is 19.8mm, and the depth is 5.8mm. The finish milling step is that a double-edge high-speed steel whole key groove milling cutter of phi 20-0.03 is used for carrying out finish milling machining, finish machining allowances on two sides are 0.1mm, and an allowance on the bottom face is 0.2mm. The key groove is subjected to rough machining and finish machining, different machining cutting amounts are selected, and accordingly key groove machining quality is effectively guaranteed; service life of a knife is prolonged; machining efficiency is improved; roughness of the surface of the key groove is good.

This invention discloses a chain with chain wheel driving, its traversing lining is gripped, and it has the strain equipment. The chain link has a switch device which controls the open and grip of the lining nip, the two sides of the chain are covered with cover boards, the cover boards are arranged the chain orbit grooves that limit the running contrail of the chain. In this invention, the quilter, the embroider machine, the dye machine, the printing machine and others can avoid the lining from contracting horizontally by drawing or ripping effect of the lining during their working course, so that protect the processing quality.

The invention provides a pattern editing method of an electronic pattern machine. The method includes: setting times of overlap seams, isometric distance among overlap seams and distance between very two needle points, wherein the times are at least two; determining data point passed by each overlap seam; fitting to obtain each overlap seam according to the corresponding data point; calculating whether intersection parts exist on the overlap seams or not, if so, removing the intersection parts to obtain corrected overlap seams; calculating to obtain the needle points according to the distance between every two needle points and the corrected overlap seams; sewing patterns according to the needle points. By the method, the intersection parts of the overlap seams can be removed while parallelism of the overlap seams is guaranteed, and processing quality of subsequent products can be guaranteed.

The invention discloses a method of processing a steam turbine control valve long thin-wall sleeve by utilizing a support device and relates to a thin-wall sleeve processing method used for solving the problems that the existing steam turbine high pressure control valve long thin-wall sleeve is directly processed on a horizontal lathe, the sleeve is easy to deform, the dimensional tolerance is not easy to control, and the cylindricity cannot reach a drawing requirement. The method comprises the steps that 1, a central hole of the long thin-wall sleeve is processed; 2, the support device is mounted: a stepped shaft is arranged in the central hole; 0-0.05 mm interference fit is formed between the middle section of the stepped shaft and the central hole, a left washer and a left nut limit the axial freedom degree of the left end of the long thin-wall sleeve, a baffle ring, a right washer and a first right nut limit the axial freedom degree of the right end of the long thin-wall sleeve, and the left nut and the right washer are screwed down; 3, the external diameter of the long thin-wall sleeve is processed by utilizing the horizontal lathe; 4, the support device which is used for turning and processing the long thin-wall sleeve is detached; 5, the long thin-wall sleeve is detached by an auxiliary detachment device. The method is used for processing the steam turbine control valve long thin-wall sleeve.

The invention relates to an air detection tool for engine cylinder block machining. The air detection tool comprises a bottom plate, a clamping device, a positioning block, a positioning pin and a supporting device. A to-be-machined cylinder block is supported by the supporting device. The cylinder block is pressed on the supporting device tightly from the left end and the right end of the cylinder block through the clamping device. The positioning block is arranged on the bottom plate. The positioning pin is arranged on the positioning block and corresponds to a positioning hole in the cylinder block. An airtightness detection block is arranged on the bottom plate. An air hole is formed in the airtightness detection block. The top face of the airtightness detection block corresponds to the positioning face of the cylinder block. The air hole in the airtightness detection block is connected with a hole channel formed in the bottom plate. The hole channel is connected with an air sourceand a control valve through a pipeline. A pressure sensor is arranged in the hole channel. The air detection tool is simple in structure, convenient to use, low in cost and stable in structure, whether the cylinder block is positioned and clamped accurately can be accurately and rapidly determined, thus, machining errors and mistakes caused by positioning problems are avoided, the machining precision is ensured, and the machining quality of the cylinder block is ensured, so that the rejection rate is lowered, and the production cost is reduced.

The invention provides a forming process of an automobile engine exhaust system heat insulation cover and solves the problems of lower forming quality and high machining cost caused by integral casting and forming currently. The cold stamping machining and forming process is adopted, the automobile engine exhaust system heat insulation cover is divided into a left half cover and a right half cover through a longitudinal central line of an exhausting tube port, the left half cover and the right half cover are stamped and formed respectively, and the stamped and formed left half cover and right half cover are welded integrally.

The invention discloses an application gray release method, device and equipment, and relates to the technical field of application, and the method comprises the steps: obtaining an application to besubjected to gray release; Configuring the application to be subjected to gray release in a gray release environment for gray release test, wherein the gray release environment is an environment created in advance according to the current online production environment; In the gray release test process, recording a switching adjustment strategy of an abnormal operation server in a gray release environment; And after the to-be-gray release application passes the test, sending the to-be-gray release application to an online production environment for gray release, and executing corresponding server switching adjustment in the gray release process according to a switching adjustment strategy. According to the method, the pre-release test process is adopted, the switching adjustment strategy inthe gray release environment is used for guiding server switching adjustment in the formal gray release process of the online production environment, configuration modification and restarting of a server application system are not needed, and the situation that the application system is crashed is avoided.

The invention discloses an automatic putting device for round paper scrips of fireworks. The automatic putting device comprises a paper scrip compression rod which is connected with an up and down reciprocating linear drive mechanism; a paper scrip guide mechanism is arranged below the paper scrip compression rod and comprises a hole duct capable of passing through the paper scrip compression rod; a plurality of elastic claw bodies are arranged around the lower end of the hole duct; roots of the elastic claw bodies are arranged in the periphery of the hole duct; the plurality of elastic claw bodies are combined in a shape with big roots and small free ends. The device is capable of eliminating interference of factors, such as irregular paper tubes, the outer diameter of the round paper scrip being larger than the inner diameter of a paper tube, etc. on automatic machine putting work, and precisely and dynamically guiding a process that the round paper scrips are put into the inner cavity of the paper tube so that the round paper scrips are put automatically and smoothly; a tube body is not damaged, the round paper scrips are placed flatly, the processing quality is guaranteed; a center hole is not needed in a top sheet and thus the fireworks quality is guaranteed.

The invention relates to a double water-cooling and demoulding mechanism of a plastic bottle cap mould, comprising a cavity, a slide block, a cap removing cover, an outside core and an inside core, wherein the outer wall of the cavity is provided with a cooling water bath. The double water-cooling and demoulding mechanism is characterized in that a close nozzle of the cavity is internally provided with cooling water channel holes, the top of the inside core made from a beryllium bronze material is contacted with the nozzle of the cavity, the outside core arranged outside the inside core is provided with gas holes, and the gas holes are inclined toward the top of the inside core, thus the air reaches the opening part of the cap removing cover and is cooperated with the cap removing cover to push a bottle cap out, and the slide block is arranged among the cap removing cover, the outside core and the cavity. The close nozzle of the cavity is internally provided with the cooling water channel holes to enhancing rapid cooling carried out on the outer surface of the bottle cap, and the inside core made from the beryllium bronze material directly props against the nozzle of the cavity to obtain good heat conduction, and the cooling time is reduced by one half; and meanwhile, the inside core substitutes the existing central jack, especially the gas holes are arranged in the outside core, the air can reach the top along the inside core and the outside core to push out the bottle cap under the coordination of the cap removing cover, the demoulding process is smoothly, the speed is fast, and the plane of the bottle cap is smooth.

The invention discloses a floating carrier capable of achieving product accurate positioning. The floating carrier comprises a floating plate, a clamp base is connected to the floating plate in a floating manner, the floating plate is fixed to a fixing plate, the left side and the right side of the floating plate and each provided with a pressing claw assembly, pressing claw assembly driving devices are installed on the fixing plate, guide through holes are molded in the floating plate, positioning holes are formed in the clamp base, and the guide through holes are flush with the positioning holes in an up-and-down manner. By means of the floating carrier, a product on a transmission line can be accurately positioned, and the machining quality of the product is guaranteed.

The invention discloses a wood drying equipment, the structure of which comprises a drying box, a fan circulation device, a steam spray box, a controller, a blower, a blower pipe, a steam spray pipe, a dehumidification window, a flow equalizer, a deflector, a wood Placement frame, exhaust window, heater, the interior of the drying box is provided with a wood placement frame, the bottom of the wood placement frame is fixed with a temperature probe, and the left end of the wood placement frame is provided with a current equalizer. The flow equalizer is connected with the inner wall of the drying box, and the top of the drying box is provided with a deflector, and the top of the deflector is provided with a fan circulation device, and the fan circulation device consists of an air inlet, a circulation channel, and a fan truss. Composed of fan blades, the air inlet is connected to the fan truss through a circulation channel. The invention accelerates the drying speed of the wood in the drying box by spraying steam, and installs a dehumidification window, which has a good dehumidification effect and can control the temperature in the box. , to ensure the processing quality of wood.

The invention relates to a multiple-stage copy milling machine which comprises a base. The base is provided with a motor I which is provided with a profiling rotary disc driving the motor to rotate. The profiling rotary disc is provided with clamping and positioning mechanisms for fixing work pieces. The clamping and positioning mechanisms are distributed at the edge of the profiling rotary disc at intervals. A copy edges are arranged at the peripheries of the profiling rotary disc at the clamping and positioning mechanisms. The clamping and positioning mechanism comprises a fixed base installed on the profiling rotary disc, the fixed base is movably connected with a lever, a pressure plate which clamps the workpiece on the profiling rotary disc is arranged at the external end of the lever. The inner end of the lever is placed on slide rails with different heights of supporting faces. The fixed base is further provided with a limiting plate for positioning the workpiece. The base is further provided with a grinding mechanism for grinding the workpiece. The grinding mechanism comprises a motor II provided with a serrated knife which drives the motor II to rotate. A leaning wheel leaning against the periphery of the profiling rotary disc is arranged coaxially with the serrated knife. The grinding mechanism is movably arranged on the base, and the base is provided with a first elastic piece which leans the leaning wheel on the grinding mechanism to the periphery of the profiling rotary disc.

The invention provides a pipe fitting forming device used for forming a pipe fitting. The pipe fitting forming device comprises a base, two struts fixedly connected with the base, two movable shafts installed at the top ends of the two struts respectively, two sliding blanks connected with the two movable shafts, a combination mandrel arranged in a center hole of the pipe fitting, and a split upper pressing die located on the upper portion of the pipe fitting. By the adoption of the pipe fitting forming device, the split upper pressing die is convenient to dismantle, time and labor are saved, and control accuracy is high; in the process of bending the pipe fitting, the combination mandrel can be adapted to the inner wall of the pipe fitting automatically and intelligently according to the bending change condition of the pipe fitting; the movable shaft is arranged between the sliding blanks and the struts, so that resistance to the rotation of the sliding blanks is reduced; since the distance between the two struts can be adjusted, the defects in the relevant prior art are overcome, and the bending forming quality of the pipe fitting is guaranteed.

The invention relates to the technical field of automobile part machining, in particular to a quick stamping device for automobile part machining and a using method thereof. The device comprises a base and supporting rods, a workbench is fixedly connected with the upper end face of the base, the supporting rods are fixedly connected with the left and right sides of the workbench, a top plate is fixedly connected with the upper ends of the supporting rods, and an alarm lamp is fixedly connected to the right side of the upper end face of the top plate. Stamping equipment is fixedly connected tothe center of the lower end face of the top plate. A protective frame is slidably connected to the outer side of the stamping equipment. In the device, by arranging a pressing plate, a guide rod, a telescopic spring and a fixing ring, when a workpiece is accurately placed in a die frame, the guide rod slides into a limiting groove, and a starting button is not started; and when the workpiece placing position is not accurate, the workpiece is located above the limiting groove, the guide rod moves upwards to extrude the starting button, at the moment, the stamping equipment stops working, the alarm lamp is lightened, people are reminded to perform maintenance work, and the workpiece machining quality is guaranteed.

The invention discloses a method for machining high-precision holes of carbon fiber sandwich-aluminum alloy laminated materials. Carbon fiber sandwiches and aluminum alloy connectors are assembled together through a tool fixture, then layered drilling is carried out according to different materials, different cutter combinations are selected and used in the same material region, and by the adoption of broaching and reaming of a stepped drill, the high-precision holes of the carbon fiber sandwich-aluminum alloy laminated materials are machined. The quality problems that carbon fiber sandwich layer orifices are torn and broken and are super-poor are avoided, the machining quality of parts is guaranteed, the rejection rate of the parts is reduced, and therefore the manufacturing cost of the parts is reduced.

The invention relates to the technical field of critical components of bobbin winders, in particular to processing technology for high-speed abrasion-resistant metal groove drums. The processing technology for groove drums includes lathing an outer circle of an inner hole; drilling a positioning pin hole; milling a yarn guiding groove; polishing the yarn guiding groove; performing surface strengthening treatment; and realizing integral dynamic balance. The processing technology is characterized in that the yarn guiding groove is milled by a numerical control machining method, a semi-finished blank of a groove drum needs to be fixedly clamped before the yarn guiding groove is machined, and then is machined, and a numerical control machining programming process for milling the yarn guiding groove includes determining milling parameters at first; setting machining coordinates; selecting tools; machining the blank; carrying out cutting simulation; determining a correct tool position track; and selecting a proper postprocessor to output a machining program after machining simulation is proved to be correct. On the basis of research of design features and structural characteristics of the groove drum, the numerical control machining method is adopted, production efficiency is improved on the premise that machining quality is guaranteed, and batch production and matching of the groove drums and the bobbin winders are realized.

The invention discloses a grinding tool capable of actively compensating surface shape abrasion errors and a compensating method thereof, belonging to the technical field of ultra-precision machining. The device disclosed by the invention actively compensates the surface shape errors of a grinding tool by use of a built-in piezoelectric ceramic array, wherein the piezoelectric ceramic array consists of a piezoelectric ceramic unit and a voltage signal input terminal; the piezoelectric ceramic array is arranged in the grinding tool; and the voltage signal input terminal is arranged between the piezoelectric ceramic array and a base body of the grinding tool. The method disclosed by the invention comprises the following steps of: uniformly placing the piezoelectric ceramic array in the grinding tool; and applying a certain DC (direct current) voltage signal to the piezoelectric ceramic in a corresponding position according to the initial surface shape or abrasion condition of the grinding tool, so that the piezoelectric ceramic generates corresponding telescopic deformation to force the surface shape of the grinding tool to change, thereby achieving the aim of adjusting the current surface shape of the surface of the grinding tool. The grinding tool disclosed by the invention has a simple structure and a high mechanical integration degree, is stable and reliable, and has broad application prospects in precision machining, and particularly in surface shape machining.

The invention discloses a calcium carbonate grinding system used for grinding the calcium carbonate into calcium carbonate powders. The calcium carbonate grinding system comprises a grinder, a conveyor belt and a grinding machine; the grinder is used for grinding the calcium carbonate, and the grinder comprises a smashing tank, a smashing shaft and a discharging opening; one side of the smashing tank is provided with a feeding opening; the smashing shaft is used for grinding the calcium carbonate; the discharging opening is arranged below the smashing tank; one end of the conveyor belt is arranged below the discharging opening, and the other end of the conveyor belt sequentially passes through a cleaning box and a drying box; the grinding machine is provided with a receiving opening whichis used for receiving the calcium carbonate passing through the drying box, and the grinding machine is used for grinding the calcium carbonate into the calcium carbonate powders; the calcium carbonate smashed by the grinder falls on the conveyor belt, and the conveyor belt drives the smashed calcium carbonate to sequentially enter the cleaning box, the drying box and the grinding machine. The calcium carbonate grinding system is simple and reasonable in structure, and the processing quality of the calcium carbonate powders is ensured.

The invention relates to a clamping device used for machining shaft products. The clamping device used for machining the shaft products comprises a base; supports capable of moving in the longitudinal direction relative to the base are arranged at the two ends of the base; the base is further provided with supporting mechanisms close to the two supports correspondingly; the supporting mechanism and the support which are located on the same side of the center of the base form a support set; each supporting mechanism comprises two rotary arms rotationally connected with the base; a tension spring is connected between the two rotary arms of each supporting mechanism; and the clamping device further comprises detection elements for enabling the two shaft products arranged on the two support sets to be coaxial. When the clamping device used for machining the shaft products supports the shaft products, it is ensured that the shaft products can be on the horizontal line, the two shaft products on the horizontal line are kept on the same axis line through the detection elements, coaxiality of the two shaft products is kept during welding or joining, and the machining quality is ensured; and in addition, through the height-adjustable supports and the swinging rotary arms, the clamping device can be suitable for different specifications of shaft products and is high in utilization rate.

The invention discloses a synchronous beat system for a container production factory and a control method. The synchronous beat system comprises a beat control system and a plurality of sequentially-connected production lines. Each production line comprises a plurality of parallel conveying belts, conveying belt controllers connected to the beat control system and the multiple conveying belts andused for controlling the synchronous motion of the multiple conveying belts and a plurality of stations distributed along the conveying belts. The beat control system is arranged to instruct the conveying belt controllers on the production line to control the conveying belts to synchronously move so that all containers on the production line can enter the respective next work stations after the procedure finishing instruction sent by workers on all stations on one single production line is received. The efficiency of the synchronous beat system is high.

The invention discloses a safe and efficient hot-dip galvanized iron wire cooling and passivating device. The safe and efficient hot-dip galvanized iron wire cooling and passivating device comprises amachine body, wherein a plurality of supporting legs are evenly arranged at the bottom end of the machine body, a heat dissipation cavity is formed in the machine body, a feeding cavity is formed inone end of the machine body, a discharging cavity is formed in the other end of the machine body, and a hot-dip galvanized iron wire channel is formed in the heat dissipation cavity. The two ends of the hot-dip galvanized iron wire channel are connected with the discharging cavity and the feeding cavity in a penetrating mode respectively, a discharging roller matched with the hot-dip galvanized iron wire channel is arranged in the discharging cavity and rotationally connected to the side wall of the discharging cavity through a third rotating shaft, and a feeding roller is arranged below an inner cavity of the feeding cavity; and the feeding roller is rotationally connected to the side wall of the feeding cavity through a first rotating shaft. When the safe and efficient hot-dip galvanizediron wire cooling and passivating device is used, cold water is injected into the heat dissipation cavity firstly, then the cold water directly cools a galvanized iron wire through the hot-dip galvanized iron wire channel, and the cast hot-dip galvanized iron wire can be cooled in time, so that the subsequent machining quality of the hot-dip galvanized iron wire is guaranteed.

The invention discloses rhinestone inspection equipment which comprises a rack. A rotating frame is arranged on the rack. At least one inspection station and at least one removal station are arranged around the rotating frame. At least two tool trays for fixing blister trays are fixed to the rotating frame. The tool trays are arranged in one-to-one correspondence with the inspection stations and the removal stations. An inspection device is arranged in each inspection station and used for inspecting the appearances of rhinestones on the blister trays located in the inspection stations to find out the rhinestones which have defects and need to be removed, and relative position information of the rhinestones needing to be removed on the tool trays is obtained. Removing devices are arranged in the removal stations. The removing devices obtain the relative position information of the rhinestones needing to be removed on the blister trays located in the removal stations from the inspection devices and remove the rhinestones needing to be removed from the blister trays. According to the scheme, the inspection devices are used for automatically inspecting a large number of rhinestone products, and the poor-quality rhinestone products are automatically removed through the removing devices.

The invention discloses a cutting machine tool for metal component machining. The cutting machine tool for metal component machining comprises a shell, wherein a cutting machine is arranged on the upper surface of the inner wall of the shell; an operating table is arranged below the cutting machine; the left and right side faces of the operating table are slidably connected to chutes formed in theleft and right side faces of the inner wall of the shell separately; a limiting hole is formed in the upper surface of the operating table; a filter plate is arranged in the limiting hole; and a storage box is arranged below the operating table, and the lower surface of the storage box is in overlapping joint to the lower surface of the inner wall of the shell. According to the cutting machine tool for metal component machining, sweeps are finally ejected through a nozzle and are acted to a metal component placed on the operating table, so that the sweeps generated on the surface of the metalcomponent flow out through a filter plate and are scattered in the storage box. Therefore, the sweeps on the surface of the metal component can be still processed immediately when the cutting machineis in the working state, so that the work efficiency of an operator can be improved, and the processing quality of the cutting machine can be also guaranteed.

The invention discloses an electric spark machining method for a small-size spaceflight impact type turbine blade fatigue sample. The electric spark machining method comprises the steps of blade modelcharacteristic analysis, fatigue sample drawing design, machining electrode design, an electric spark machining mode and blade sample surface observation and deep treatment. After the sample is machined, blade deformation behavior calculation and analysis are carried out by combining finite element software to obtain a stress-strain state of an examination part, so that a fatigue verification experiment is guided, and the method is used for researching characteristics related to reusability of a spaceflight impact type turbine blade. The blade sample is directly formed, and the design requirement and the machining quality of the sample are fundamentally guaranteed. Machining tools are wide in manufacturing channel, and the machining cost and the sample machining number are convenient to control. Finite element calculation and analysis and fatigue sample surface microstructure observation guarantee the credibility of a fatigue experiment result. The difficulty of designing and machining the small-size spaceflight impact type turbine blade fatigue sample is overcome to a great extent.

The invention discloses a production method of an adsorption type hollow stator blade and belongs to the technical field of engine design. The production method comprises steps as follows: firstly, first air vents are formed in a pressure surface, second air vents are formed in an upper flange plate, and the pressure surface and a suction surface are subjected to sheet metal forming respectively; then the pressure surface and the suction surface are subjected to diffusion welding, a blade body of the stator blade is formed, and a hollow cavity is formed between the pressure surface and the suction surface; finally, the upper flange plate, a lower flange plate and the blade body of the stator blade are welded into the hollow stator blade, and the first air vents and the second air vents are communicated to the hollow cavity. An active control technology for air flow separation can be realized through maturing of an adsorption type hollow stator blade technology, the aerodynamic performance is improved, and the development of adsorption type engines can be accelerated.

The invention relates to the technical field of cylinders, and discloses a clamping principle-based cylinder barrel boring equipment for ensuring the machining quality. The equipment comprises a shell, wherein a base is fixedly connected in the shell; a second gear rotates to enable a first rotating disc to intermittently reciprocate, so as to provide a power source for the subsequent fixing operation, and thus the linkage among structures is increased; a first gear rotates to enable clamping blocks to be close to each other to clamp and fix a cylinder barrel between the clamping blocks, the position of the cylinder barrel is automatically adjusted, and the deviation between the center of the cylinder barrel and the center of a boring rod is avoided, so that the stability of the cylinder barrel is increased, and the cylinder barrel displaces during machining to ensure the machining quality; and a third rotating disc rotates to enable third gears mesh with each other to drive the thirdrotating disc to intermittently rotate by 360 degrees to provide a power source for the subsequent grinding operation; and a second rotating disc rotates to make the boring rod rotate at the high speed while the boring rod moves up and down, so that the boring rod gradually penetrates into a hole of the cylinder barrel to automatically finish the cylinder barrel.