47results about How to "Reduce unqualified" patented technology

A reliable ink cartridge that reduce printing nonconformity even during high speed inkjet-recording with multiple nozzles by alleviating rapid external impact applied from the outside of the ink cartridge. Within a casing of an ink cartridge, a flexible bag forming an ink reservoir is accommodated. Between the surface of the flexible bag where a sheet member is bonded and a wall surface of the casing, a stress damping chamber is provided. The stress damping chamber communicates with the atmosphere outside the ink cartridge via an orifice formed on a wall surface of the casing.

The invention discloses a 3D printing detection method used for detecting whether a current 3D-printed surface material is consistent with a design sample at real time. A 3D printer contains a 3D printer body and a movable infrared spectrometric analyzer (containing infrared total reflection accessories), and is simultaneously provided with error correction software for correcting or choosing to reprint by comparing infrared spectrum of a test point with standard spectrum of the design sample. According to the invention, accuracy of a material used for a printed object can be monitored at real time, defective rate of printing is reduced, unnecessary material wastage is minimized, and time is saved.

The invention relates to method and special tools for anti-deformation machining of flux barriers of a clamp pulling plate of a transformer and belongs to the technical field of transformers. According to the technical scheme, the multiple special tools (22) for anti-deformation machining and the clamp pulling plate (21) are fixed together in a spot welding mode, the clamp pulling plate is placed on a working table of a plasma cutting machine and is adjusted to be located at a position suitable for machining, then the height of the water surface of the plasma cutting machine is adjusted to guarantee reliable cooling of the clamp pulling plate during cutting, then the flux barriers are cut-formed in the clamp pulling plate underwater by means of the plasma cutting machine, the deformation of the clamp pulling plate is controlled by means of the special tool for anti-deformation machining during plasma cutting, and then the machining of the flux barriers of the clamp pulling plate of the transformer is achieved. The method and special tools for anti-deformation machining of the flux barriers of the clamp pulling plate of the transformer aim at the pulling plate, of a multi-groove structure, of the transformer, the flux barriers are formed in a plasma underwater cutting mode, the special tools for anti-deformation machining are manufactured according to the distance between the flux barriers, and therefore the deformation of the multi-groove clamp pulling plate is effectively controlled during machining, the occurrence of unqualified products is reduced, and the machining efficiency of the clamp pulling plate is improved.

The present invention provides a fracture method that can make the strength of the end surface stronger than before. The method for fracturing a brittle material substrate of the present invention includes the step of forming a scribe line on the brittle material substrate, and the fracturing step of fracturing along the scribe line, and during the fracturing step, the The substrate is rolled and crimped near the scribe line along a position separated from the scribe line on one side, and a load is applied, and the brittle material substrate is divided by bending under a low load.

The invention provides a subgrade compaction process planning method, device, equipment and readable storage medium, which relate to the technical field of high-speed railway subgrade compaction, including using the compaction energy index as the inspection index of the subgrade compaction quality, and through the secondary fitting Establish the relationship between the degree of compaction and the vibration input energy of the roller, and then predict the data through the artificial intelligence model to finally realize the calibration standard energy, achieve accurate compaction process planning, and reduce overpressure or underpressure resulting in unqualified construction technology chance of the situation happening.

The invention discloses a dryer and a device for detecting a working state of a draught fan of the dryer. The device comprises a guide pipe and a pressure sensing device, wherein pressure sensing device is arranged at the outer part of a drying oven of the dryer; and one end of the guide pipe is communicated to an air outlet end of the draught fan in the drying oven while the other end of the guide pipe is connected to the pressure sensing device. The device for detecting the working state of the draught fan of the dryer has the advantages of being simple in structure, convenient to manufacture, and convenient to assemble, disassemble, debug as well as maintain. The dryer is provided with the device for detecting the working state of the draught fan of the dryer.

The invention provides a monitoring and error correction method for a 3D printer, which is used to monitor whether an error occurs during the printing process of the 3D printer, and make timely and appropriate corrections. It is characterized in that the system includes: 3 cameras for three-view monitoring , 3 cameras correspond to 3 viewing angles; the monitoring and error correction software uses image processing to compare the expected three views of each step in the printing process, judges whether the monitoring printing is wrong, and makes timely corrections to small repairable errors. Discard errors that cannot be corrected to save printing time. This system has the advantages of improving the printing accuracy rate and saving the average time for printing qualified products.

The invention belongs to the field of packaging equipment, in particular to a device for an optocoupler packaging structure. One side of the lifting device is fixedly connected with a lifting device, the end of the lifting device away from the fixed shell is fixedly connected with a moving fixture, the middle of one side of the base close to the fixed shell is fixedly connected with a fixed fixture, and both sides of the fixed shell are provided with a glass plate at one end to reduce manual use It can improve the production speed and avoid the dislocation of the optocoupler and reduce unqualified products; a method for optocoupler packaging, through the pressure of the clamping device on the fixed fixture, the glue injector in the glue injection mechanism will seal the package through the pressure. The glue is injected into the gap between the upper template of the optocoupler and the lower template of the optocoupler. After the glue injection is completed, the pressure is maintained for 5-8 seconds and then the controller is used to control the moving fixture to move up, so as to avoid the deviation of the packaging caused by worker fatigue and make the packaging More convenient and faster.

Provided is a screen printing apparatus. In the forming of the protrude electrode using the screen printing method, resulting the adhesive force of the solder paste which is transferred by many opening-part groups and the metal mask, the departing of the printing board starts from the perimeter part, finally the middle part of the metal mask departs from the printing board, the occurring of this phenomenon is the main reason for the defective printing which concludes the thickness error of the printing film ,the printing deficiency and so on. Using the different thickness of the mentioned mask component sheet, or the different material, or the different elastic coefficient, connect every mask component sheet which is set on the accessory pattern of the printing baseboard or at all the patterns formed in the scheduled area, and the adjusting equipment which accords to the mentioned connection status and can reproduce random curve is also provided.

The invention discloses a concrete stirring device capable of achieving quantitative discharging and preventing condensation. The concrete stirring device comprises a box body, wherein a cavity is formed in the box body; four material boxes distributed at equal intervals from left to right are fixed to the inner wall of the upper side of the cavity; a material cavity penetrating the inner wall ofthe upper side of the cavity is formed in each material box; and a sliding groove is formed in the left side of each material box. According to the concrete stirring device, concrete raw materials canbe quantitatively put into the device in sequence to be stirred according to needs, and the optimal mixing proportion is achieved; the device can effectively solve the problem that concrete is proneto being accumulated on the horizontal plane in the stirring process, and the concrete is discharged after stirring is finished; and the device can greatly improve the concrete stirring efficiency, and the problem that due to the matching and stirring problems, the concrete is unqualified is solved.