20results about How to "Control consistency" patented technology

The invention relates to a WE54 magnesium alloy CMT electric arc additive manufacturing process method, and belongs to the technical field of metal additive manufacturing. The method comprises the steps that 1, a CMT welding gun 1 is fixed to the front end of an automatic robot, printing parameters are set in 3DCAM software, a printing sample block is sliced through the 3DCAM software, and a printing path is planned; 2, surface oxides and impurities of a WE54 magnesium alloy substrate 12 are removed, the WE54 magnesium alloy substrate 12 is fixed to a working table top, the center and coordinate system of the WE54 magnesium alloy substrate 12 are determined through a welding wire 2 in a CMT welding gun 1, preheating treatment is conducted on the WE54 magnesium alloy substrate 12 through induction heating equipment, and the temperature is increased to 200 DEG C; and 3, a first cladding layer 10 is printed on the WE54 magnesium alloy substrate 12 through an electric arc 3 below the CMT welding gun 1, the surface is cleaned after printing is completed, and reciprocating printing of four-layer path planning is conducted in a reciprocating mode till a final printing sample block is formed. By means of the method, WE54 magnesium alloy CMT electric arc additive manufacturing is achieved, and the additive efficiency is effectively improved.

The low-loss high-order-mode high-purity transmission anti-resonance hollow-core optical fiber comprises an outer sleeve layer and a plurality of cladding tubes, and the cladding tubes are tangent to the inner surface of the outer sleeve layer; the cladding tube comprises an inner D-shaped tube and an outer D-shaped tube which are combined into a connected tube structure, the outer D-shaped tube is tangent to the outer sleeve, and one or more glass tubes can be nested in the outer D-shaped tube; the middle part surrounded by the plurality of cladding tubes forms a fiber core of the optical fiber; special gas which is colorless, odorless, safe and easy to store is filled in the cladding pipe; and the end part of the cladding pipe is heated and collapsed to form a first plugging layer. The manufacturing method comprises the following steps: drawing the optical fiber; optical fiber selective plugging; optical fiber selective gas filling; and packaging the optical fiber. In combination with an anti-resonance hollow-core optical fiber light guide theory, a selective gas filling technology and a discharge collapse technology, low-loss high-order-mode high-purity transmission is realized by adjusting a cladding tube structure, an optical fiber geometric structure, a gas refractive index and discharge parameters.

The utility model relates to the technical field of plant detection, in particular to plant stem length increase acquisition equipment, which comprises a hollow rack and a hollow protective shell, a support plate is detachably connected in the rack, a data processing component is detachably connected to the top of the support plate, and a data acquisition module is detachably connected to the top of the data processing component. A shooting assembly used for shooting a test sample is arranged on one side of the rack, a signal receiving assembly used for receiving signals is arranged on one side of the shooting assembly, and a radar ranging assembly used for measuring the height of the test sample is arranged on the lower half portion of the side, facing the test sample, of the rack. Through the arrangement of the guide rail and the chain, the guide rail controls the advancing direction, the chain controls the advancing distance of the rack, and the rack moves regularly, data sent by different samples passing through the rack in the moving process within different time can be collected, stalk data of different samples can be measured at the same time, the maintenance cost is reduced, and the working efficiency is improved. And meanwhile, the consistency of equipment is controlled, and the accuracy of measured data is ensured.

The invention relates to the technical field of food processing, in particular to a forming machine for food processing, which comprises a tumbling mechanism, the tumbling mechanism comprises a compression roller and an arc-shaped supporting plate which are coaxially arranged, the axes of the compression roller and the arc-shaped supporting plate are horizontal, and the arc-shaped supporting plate is located on the lower side of the compression roller; according to the machine, food is continuously conveyed from one end to the other end through the design of the tumbling mechanism, so that food processing is not discontinuous any more, but a continuous production process is adopted, and the processing efficiency is greatly improved; the action of manual rubbing is simulated by utilizing the rotation and reciprocating motion of the compression roller, but the speed and the force can be more uniform and controllable, so that the processing speed and the processing efficiency are improved.

The utility model relates to the technical field of circuit breakers, and discloses an instantaneous tripping circuit breaker which comprises a bottom plate, a handle convenient to toggle is arranged above the bottom plate, the handle is located on the inner side of the bottom plate and connected with a pull rod, the front face of the bottom plate is hinged to a moving contact assembly through a fixing shaft, and the bottom plate is hinged to a jump pin through the outer side of the fixing shaft. The outer side of the fixed shaft is movably connected with a moving contact assembly which is in contact with the static contact assembly for electrification, the moving contact assembly is hinged with a lock catch through a movable shaft, the surface of the lock catch is provided with a fixed hole, the end part, far away from the handle, of the pull rod extends into the inner side of the fixed hole, and the side surface, close to the jump pin, of the lock catch is clamped with the side surface of the jump pin. Instantaneous characteristics of various specifications are met by utilizing the types of the torsional springs, the number of turns of the coils and different assembly positions of the torsional springs, and compared with a traditional product, the process is simple, the number of parts is reduced, and the process consistency is easy to control.

The invention discloses a surface acoustic wave resonator mass load preparation process and a semiconductor structure. The preparation process comprises the following steps: preparing a wafer; forming a first photoresist pattern layer on the wafer by utilizing a photoetching process; depositing a layer of thin film made of an IDT material on the wafer on which the first photoresist pattern layer is formed according to a design thickness requirement; forming a second photoresist pattern layer on the wafer after the IDT coating is completed; depositing a layer of mass load material film on the wafer on which the second photoresist pattern layer is formed according to a design thickness requirement; and finally, stripping the photoresist on the wafer, so that the IDT material film and / or the mass loading material film covering the photoresist are stripped together, and the IDT material film and the mass loading material film which are not covered on the photoresist are reserved. By adopting the process, the requirement on alignment precision is greatly reduced, the consistency of products can be better controlled, and the quality of the products is improved.

The utility model relates to the technical field of vehicle-mounted screens, in particular to a screen overturning transmission device, a display device and a vehicle. The screen overturning transmission device provided by the utility model is connected with a driving mechanism and is used for driving a screen to overturn, and the screen overturning transmission device comprises a screen connecting bracket used for connecting the screen; the screen connecting bracket is sleeved on the main shaft; one end of the elastic component is used for being connected with a driving mechanism of the screen, and a first friction plate is arranged at the other end of the elastic component and abuts against the screen connecting support; the first friction plate can be driven by the driving mechanism and drive the screen connecting support to rotate, and the elastic component rotates synchronously with the first friction plate with the axis of the main shaft as the rotation axis. Under the action of external force, the screen connecting support can overcome the friction resistance of the first friction plate to the screen connecting support to rotate. By means of the screen overturning transmission device, the display screen has the electric overturning function and the manual overturning function at the same time, and the controllability of overturning the display screen is improved.

The utility model discloses a right crankcase box press -mounting device, including positioning subassembly and press -mounting subassembly, and positioning subassembly includes bearing station and positioning mechanism, and positioning mechanism installs in bearing station top, and positioning mechanism is used for positioning right crankcase body, press -mounting subassembly includes first push -press mechanism, second push -press mechanism and third push -press mechanism, and first push -press mechanism, second push -press mechanism and third push -press mechanism set up in the side of bearing station, and first push -press mechanism, second push -press mechanism and third push -press mechanism are along the interval setting of bearing station periphery. The utility model can realize right crankcase body press -mounting plug, breather pipe and oil guide pin simultaneously, and improve production efficiency.

The invention discloses an automatic textile dyeing control device, and relates to the technical field of textile processing. The upper portion of the horizontal assembly is fixedly installed on the top of a plant through a hanging rod, a lifting assembly is installed below the horizontal assembly in a sliding mode, and the lower portion of the lifting assembly is used for fixing through a clamping mechanism; a sliding rod is arranged in the dyeing groove, a push plate is slidably installed in the middle of the sliding rod, an air cylinder push rod is arranged at the bottom below the dyeing groove, and the push plate is fixedly installed at the upper end of the air cylinder push rod. According to the textile dyeing device, automatic clamping and loosening are conducted on the lower portion through the clamping jaw, control over the horizontal direction and the lifting action is achieved in combination with the horizontal assembly and the lifting assembly, transfer between assembly lines and related detection are facilitated, and the dyeing uniformity needs to be controlled for textile dyeing operation; the dyeing quality is controlled by controlling the dye state and detecting the state of the dyed textile.

The utility model provides a winding machine which is used for winding a wire on a magnetic ring and comprises a winding platform, at least one magnetic ring winding station is arranged on the winding platform, and the winding machine comprises a feeding and discharging device, a wire feeding device, a magnetic ring clamping device, a winding device and a wire hooking device which are arranged on the winding platform and used for conveying the magnetic ring. The magnetic ring clamping device of the winding machine is used for fixing the magnetic ring, the winding device and the wire hooking device can rotate relative to the magnetic ring, then winding of a wire outside the magnetic ring is completed under the mutual cooperation of the winding device and the wire hooking device to form a coil, and the magnetic ring is fixed through the magnetic ring, and the wire rotates and is wound. Meanwhile, the phenomenon that the wires are crossed or overlapped when the wires are wound on the magnetic ring is reduced, the uniformity and consistency of arrangement of the coils outside the magnetic ring can be effectively controlled, and the product quality of common-mode inductor machining can also be improved.

The present invention belongs to the field of instrumentation, and specifically relates to a multi-channel gas concentration sensor synchronization measurement device and a test method thereof. The test device includes a high-pressure storage tank, a buffer tank, an air pressure sensor, a switch valve, a first balancing valve, a fast switching module, a vacuum pump, a sampling tube, an exhaust pipe and a host computer. The switch valve is used to switch the on-off of the air intake channel between the buffer tank and the high-pressure storage tank. The first balancing valve is used to adjust the opening of the exhaust channel between the buffer tank and the atmosphere. The fast switching module is used to adjust the gas type at the gas concentration sensor. The host computer coordinates the operating status of each component, and then provides a synchronous, stable and uniform gas detection environment for each gas concentration sensor through the buffer tank, and tests the difference in response time of each gas concentration sensor. The scheme of the present invention can realize automated measurement, and can realize more accurate environmental control, and the accuracy and reliability of the measured synchronization data are higher.

The invention provides high-temperature high-speed erosion test equipment which comprises a sand supply mechanism, a sand blasting gun, a temperature control system and a test device, a material tank of the sand supply mechanism is arranged on the upper portion of a frame, a sand supply pipe is arranged in the middle of the frame, the sand blasting gun is connected with the sand supply pipe and vertically arranged in the frame, and a sample clamp is arranged below the sand blasting gun and located in the frame. The temperature control system is used for heating the erosion fluid and the workpiece to the corresponding target temperature, and sand supplied through the sand supply mechanism enters the sand supply pipe and the sand blasting gun and is vertically and downwards eroded on the workpiece after being heated and accelerated. The high-temperature and high-speed erosion test equipment disclosed by the invention not only can realize a high-temperature and high-speed erosion function, but also can control a trace amount of sand grains to be accurately and smoothly fed, can quickly realize linear erosion, can accurately control the consistency of a linear erosion area, and can smoothly, quickly and safely carry out an erosion fluid test in a narrow space.

The present invention relates to the technical field of aluminum alloy strip preparation, and mentions a method for preparing an aluminum alloy strip for anodized appearance and an aluminum alloy strip, wherein the preparation method comprises: after melting the raw aluminum and the intermediate metal, a semi-continuous casting method is adopted to obtain an ingot, the ingot is sawed and milled, and then the ingot is hot-rolled to obtain a coil; the hot-rolled coil is cold-rolled for 1 to 7 passes to obtain a rolled material of a preset thickness, and the contact arc length L of the rolling deformation zone of each pass satisfies the absolute deformation amount △H of L≤10×△H. The cold-rolled rolled material is subjected to a stretching and straightening process to obtain a finished product. The present application effectively controls the mechanical properties of the strip and the consistency of the longitudinal section grains by controlling the process conditions such as the component composition, hot rolling and cold rolling processes, so that the growth of the oxide film and the unevenness of the oxide film corrosion in the cross-section anodizing process are effectively controlled, thereby playing a positive role in ensuring the cross-section anodizing effect.

The invention discloses a turnover automobile front-end module split charging and positioning device, and relates to the field of automobile manufacturing, in particular to a turnover automobile front-end module split charging and positioning device and method, and the device comprises a base, a turnover mechanism and a split charging and positioning platform; the method comprises the following steps: firstly, placing and positioning upper and lower beams of the cabin; secondly, changing the upper and lower beams of the cabin into a vertical direction and assembling the front and back surfaces of the upper and lower beams of the cabin; and thirdly, assembling a radiator assembly and a pipeline on the back surfaces of the upper and lower beams of the cabin. The invention further discloses a corresponding positioning method. The positioning and sub-packaging functions are integrated, complete and accurate sub-packaging of the front-end module assembly can be directly completed, and the installation consistency is effectively controlled.

The invention provides a process method for improving trimming burrs of a charging port of a fender and improving the quality of a surface product, which comprises the following steps of: performing supplementary drawing on the charging port of the fender during punch forming, extending the boundaries at the two ends of the product inwards, and forming supplementary grooves at the two ends of the product. The trimming device has the beneficial effects that trimming burrs of stamped parts with charging ports and surface products are mutually restricted and exist at the same time, and solutions are mutually influenced. Through the change of a supplement form, the consistency of material contact points is controlled, the problems of trimming burrs of a workpiece and a charging port ridge circumferential surface product are solved, and certain production efficiency is ensured.

An embodiment of the present invention discloses a device for dressing a grinding wheel, the device comprising: a columnar dressing portion, the dressing portion being configured to rotate around its own central axis so as to dress the grinding teeth of the grinding wheel through the circumferential surface of the dressing portion; a distance sensor, the distance sensor being used to sense the feed distance of the grinding wheel relative to the circumferential surface of the dressing portion; wherein, when the distance sensor senses that the feed distance of the grinding wheel relative to the circumferential surface of the dressing portion reaches a first predetermined distance, the dressing operation ends.

The invention discloses wrap yarn and a preparation method thereof. The invention relates to the technical field of textile, solves the problems that a subsequently manufactured product is insufficient in durability and easy to damage due to insufficient strength of the wrap yarn, and particularly discloses a wrap yarn and a preparation method thereof.The wrap yarn comprises a yarn core and wrap yarn, the wrap yarn wraps the outer surface of the yarn core in a net shape, and the wrap yarn is arranged in the yarn core. The wrap yarn with the twist degree of 650 tpm + / -10 tpm is formed; the yarn core is a combination of one or more of a steel wire, a glass fiber filament, a spandex filament or a polyester filament; the coated yarn comprises a chinlon material and a polyester material, and the mass ratio of the chinlon material to the polyester material in the coated yarn is (1: 4)-(1: 2.5); the breaking strength of the wrap yarn formed by the yarn core and the wrap yarn is not lower than 20 cN / tex, and the elongation at break is controlled to be 52%-56%; the preparation method of the wrap yarn comprises the steps of raw material preparation and loading, wrapping processing, post-processing, quality detection, packaging and warehousing and the like. The invention provides the wrap yarn product with high elasticity, high strength and high durability and the production and manufacturing method of the wrap yarn product.

The utility model discloses an orchiodes seed transplanting device, including the connecting frame that is provided with two, still including the outside of connecting frame is provided with the earth -moving subassembly, the inside installation of connecting frame has the seeding component, install spacing adjustment subassembly and install the support subassembly of connecting frame outside on seeding component, two connecting frames divide into two transplanting structures, install the spacing adjustment subassembly on the limiting mechanism, spacing adjustment subassembly is used for adjusting the spacing between two transplanting structures, and the stability of limiting mechanism guarantees two transplanting structures when adjusting, and seeding component is used for sowing seeds in the land, and the earth -moving subassembly is responsible for the earth -moving work before seed sowing, and the support subassembly is detachably connected with the connecting frame, the utility model discloses by adopting double transplanting structure, can complete two seeding point operation, improve efficiency, and the positioning plate linkage of seeding rod, when driving the positioning plate unrolling earth -moving, and synchronous action ensures that sowing is consistent, and avoids the difference of depth.

This utility model relates to the field of cable stranding technology and provides a fire-resistant cable stranding machine, including a pressure plate. An output block is fixedly connected to the top of the pressure plate. A rotating rod is rotatably connected inside the output block. Two connecting plates are fixedly connected to the outer surface of the rotating rod. A rod sleeve is fixedly connected to the end of each connecting plate away from the rotating rod. A rotating rod is rotatably connected to the inner surface of the rod sleeve. A moving gear is fixedly connected to the end of the rotating rod near the output block. Fixed gear rings are meshed on the outer surfaces of the two moving gears. This utility model features a self-rotating and revolution-rotating stranding structure, ensuring uniform rotation of the single wire during stranding. This avoids single wire deviation or knotting due to uneven tension, controls the consistency of the stranding pitch, ensures a tight structure and uniform outer diameter of each layer of the cable, forms a stable spiral stranding structure, improves the cable's tensile and bending resistance, and prevents single wire breakage or insulation damage due to excessive twisting.

The invention discloses a preparation process of a mixed ester double-base blank absorption drug containing TG and NG, and relates to the technical field of preparation of mixed ester double-base blank absorption drugs. The preparation process comprises the following steps: synthesizing nitroglycerin NG; preparing cotton pulp containing NC (nitrocellulose) and centralite; adding NG into the cotton pulp to prepare a mixed solution containing NG and NC, and stirring; the method comprises the following steps: synthesizing nitrified triethylene glycol TG, adding TG into a mixed solution containing NG and NC, and stirring; and centrifuging the stirred mixed solution, and removing most of water to obtain the mixed ester double-base blank absorption medicine containing TG and NG. On the basis of a conventional common double-base propellant, new TG is added, the dangerousness of NG and TG is reduced through an absorption process, and meanwhile, the consistency of components of the propellant can be more accurately controlled in the reverse absorption process by analyzing the components of a blank absorption drug.