31results about How to "Reduce non-conformities" patented technology

The invention relates to a making method for a defect detection wafer used in a polysilicon chemical mechanical grinding process. A thin silicon oxide film is deposited on a silicon substrate, a silicon nitride barrier layer is deposited on the silicon oxide layer, a polysilicon film is deposited on the silicon nitride barrier layer, and the silicon nitride layer is retained during cycle use. According to the making method, the silicon nitride barrier layer is additionally arranged, so a problem of influence on a machine test result because of COP defects caused by damage to the silicon substrate in a cycle use process of the wafer can be effectively settled, and thereby errors in a detection process are reduced, and the real detection data which represents machine performance can be acquired.

The invention discloses a shoe-type centerless fixture for processing a cone ring and its positioning adjustment tooling technology. The support block is movable and set in a machine clamp mode, so that the support surface of the support block can be adjusted radially relative to the workpiece installation area, so that the The crawler type centerless fixture for cone ring processing can process workpieces of various specifications and sizes, and the angle adjustment of the supporting surface of the supporting block can be adjusted clockwise or counterclockwise. Through the adjustment of the angle, the supporting surface can be fully aligned with the outer conical surface of the workpiece. fit, so as to reduce the adhesive wear of the outer cone surface between the support surface and the workpiece and cause the unqualified phenomenon of the workpiece. Further, before processing the workpiece, the positioning body is used to pre-adjust the centerless clamp for cone ring processing. The eccentric direction and eccentric distance between the workpiece of the specified size and the workpiece spindle on the fixture ensure the stability of the workpiece during the grinding process.

The invention relate to a multifunctional voltage regulation module which integrates voltage regulation, high-phase restriction, overcurrent protection, digital protection interface and voltage regulation prohibition functions as a whole; and the voltage regulation, high-phase restriction, overcurrent protection, digital protection interface and voltage regulation prohibition functions are realized by corresponding closed-loop voltage regulation and increasing circuits of high-phase restriction, current protection, digital protection and voltage regulation prohibition. The invention has the advantages of highly-integrated functions, increases the high-phase restriction, current protection, digital protection interface and voltage regulation prohibition functions and improves the reliability of a generator controller of an aircraft power system.

The invention discloses a hydrocracking product quality automatic control method and device and a memory. The hydrocracking product quality automatic control method comprises the following steps: acquiring monitoring data of a hydrocracking system; unifying acquisition periods and acquisition time points of various monitoring data according to a preset data standard of the monitoring data; determining adjustable parameter items related to the product quality in the working condition data as automatic control parameter items; constructing modeling data; performing model training on the modelingdata according to a preset target variable and a preset independent variable to generate a product quality prediction model; taking key parameter items determined from the real-time monitoring data as input, and obtaining a prediction result of a preset product of the hydrocracking system through a product quality prediction model; and when the prediction result exceeds the preset range value, generating an adjustment scheme of the automatic control parameter item according to the prediction model. According to the invention, the working condition of the hydrocracking device can be kept in areasonable running state so that the condition that the product quality is unqualified can be effectively reduced.

The invention discloses a 10-12mm plate thickness aluminum and aluminum alloy tungsten inert gas (TIG) welding process. The welding process is characterized by including the following steps that (1) a to-be-welded end face is cleaned in a mechanism mode, and then the mechanically cleaned surface is carefully wiped by organic solvent or cleaning agent to remove residual organic matters or metal dust; (2) butt welding is applied, a Y-shaped groove is designed at the position of a joint, the groove angle is 55-65 degrees, and the butt joint gap is 1-2mm; (3) TIG welding is applied, and welding process parameters are set, for example, the welding current is 280-300A, the protective gas flow is 16-18L/min, the tungsten electrode diameter is 5mm, the welding wire diameter is 4-5mm, and nozzle hole diameter of a welding gun is 14-16mm; (4) a welded position is preheated, the pre-heating temperature is 90-100 DEG C, and the preheating time is 30-40 seconds; (5) during welding, multi-layer multi-channel continuous welding can be applied, and the temperature among layers is controlled in a range from 170 DEG C to 210 DEG C. According to the 10-12mm plate thickness aluminum and aluminum alloy TIG welding process, the welding process can be performed under effective control, stable whole process and product qualities are guaranteed, and phenomena of unqualified products can be reduced.

The invention discloses an IC card packaging device and method. The IC card packaging device comprises a packaging platform, hot pressing devices, cold pressing devices, negative pressure devices, a transmission device and power devices, wherein the hot pressing devices and the cold pressing devices are sequentially arranged in the IC card transmission direction, the hot pressing devices comprise hot pressing heads, and the hot pressing heads are internally provided with heating devices; the cold pressing devices comprise cold pressing heads, the packaging platform is provided with card grooves adapted to the size of an IC card, the bottom surface of each card groove is provided with adsorption holes, and the negative pressure devices are communicated with the adsorption holes. When the cold pressing heads conduct cold pressing on the IC cards in the card grooves, plastic card bases in the card grooves are absorbed by the adsorption holes through negative pressure, so that the lower surfaces of the plastic card bases in a softening state become regular and flat, and then the beautiful degree of the card surfaces is greatly improved.

The invention discloses a conveniently-produced automobile tire vulcanizing machine. The machine comprises a base, an upright column and a rotating arm, wherein a lower heating plate is fixed on the base by threads; the lower heating plate is fixed with an upper laminated plate; an air inlet hole and an air outlet hole are symmetrically formed in the middle of the upper laminated plate; a side heating plate and the base are movably connected at the periphery of the lower heating plate; an inner circle of the side heating plate is welded with a movable mould; the left side of the base is fixed with the upright post by threads; the upper end of the upright post is movably connected with a rotating arm; the right side of the upright post is welded and fixed with a rotating arm oil cylinder; the rotating arm oil cylinder is movably connected to the rotating arm; the tail end of the rotating arm is fixed with an upper heating plate; and the lower surface of the upper heating plate is fixed with an upper laminated plate by threads. The conveniently-produced automobile tire vulcanizing machine is simple in structure, is convenient to use and is safe to operate; due to multi-directional plate, the tire can be heated in a vulcanizing process more quickly and uniformly; and the movable block is formed by the movable mould, the upper heating plate, the side heating plate and the lower heating plate, so that the operation of vulcanizing steps can be simplified, and the manufacturing cost is reduced.

The invention relates to a mechanism position adjusting system and method. The mechanism position adjusting system is applied to production equipment and comprises a programmable logic controller PLC, a human-computer interface and at least one motor. The human-computer interface and the motors are connected with the PLC. The motors adjust the positions of corresponding mechanisms on the production equipment under the control of the PLC. The positions of the mechanisms on the production equipment are adjusted by using the motors controlled by electrical signals so that automatic and rapid adjustment of the mechanism positions can be realized, the working efficiency of the production equipment can be enhanced, the production yield rate of the production equipment can also be enhanced and labor cost can be reduced.

The invention relates to the technical field of industrial software, and particularly discloses a work scheduling method and system based on employee facial expressions. The work scheduling method based on the employee facial expressions comprises the following steps: obtaining a facial picture of a certain employee; extracting face features of the employee according to the facial picture to obtain a face feature spectrum of the employee; comparing the obtained face feature spectrum of the employee with standard face feature spectrums of the employee in different working posts to obtain the similarity between the face feature spectrum of the employee and the standard face feature spectrums of the employee in different working posts; and outputting a scheduling result of the operating postof the certain employee according to the similarity. The method and the system can be used for a factory production line, which working post the employee is suitable can be identified according to theemotions of the employee in different time periods of the day, then the work of the employee is scheduled to the most suitable post, and scientific management is realized.

The invention discloses a method for improving auto-lamp moulds, which solves the problems of napping, filament flow and deformation of auto-lamp fittings in the process of processing, thereby reducing the rejection ratio of the auto-lamp fittings; and prolonging the service time of the moulds. Through coating a WS2 solid lubricating film on an auto-lamp mould and optimizing the coating thickness, the invention provides a method especially suitable for improving auto-lamp moulds. The method disclosed in invention has the advantages of improving the finished product ratio of auto-lamp fittings subjected to model processing, saving the cost and improving the production efficiency.

The invention provides a high-vacuum multi-station liquid adding system, and relates to the field of liquid adding systems. The high-vacuum multi-station liquid adding system comprises a separation units, product stations, a medium conveying unit, an integrated flow divider, a vacuum unit and a monitoring system, wherein the medium conveying unit is communicated with the separation units through liquid inlet pipes, the separation units are communicated with the integrated diverter through liquid outlet pipes, the integrated diverter is communicated with the product stations through pipelines,the vacuum unit is communicated with the product stations through pipelines, and the number of the product stations and the number of the separation units are both multiple. The liquid adding system is reasonably designed, so the system realizes integrated automatic control, realizes controllable functions of automatically judging whether vacuum reaches the standard or not, accurately and quantitatively filling, separating, purifying, degassing and drying, can realize flexible use of multiple functions of automatic turn-off, opening, sealing, high-vacuum liquid filling and the like, is safe, reliable, convenient and quick, and greatly improves the operation efficiency.

The invention relates to the technical field of railway maintenance, and discloses a railway traction type railway ballast separating and shaping device which comprises a base, the right side of the lower surface of the base is fixedly connected with a connecting plate, the left side of the lower surface of the base is detachably connected with another connecting plate, and a plurality of sliding mechanisms are installed on the opposite sides of the two connecting plates. Supporting plates are fixedly connected to the front portion and the rear portion of the left side of the base correspondingly, a transverse plate is jointly placed on the upper surfaces of the two supporting plates, and the transverse plate is fixedly connected with the connecting plate through a long strip. When the designed device is used, a first gear drives a metal chain belt to rotate, a sliding block can rotate while moving along with the metal chain belt, the sliding block is embedded in a concentric-square-shaped plate, a fixed block in front of the concentric-square-shaped plate is embedded in a sliding groove, and the concentric-square-shaped plate can move leftwards and then move rightwards in the sliding block moving process; and the railway ballast at the high bulge position beside the rail can be conveniently pushed to one side position.

The invention discloses a 16-18mm plate thickness aluminum and aluminum alloy tungsten inert gas (TIG) welding process. The welding process is characterized by including the following steps that an X-shaped groove is selected according to the plate thickness and a welding position, the front side included angle is 60 degrees, the reverse side included angle is 45 degrees, the truncated edge is 2-3mm, and the root gap is 0-3mm; greasy dirt, aluminum skimmings and oxidation films of to-be-welded positions in a range of 50mm of aluminum alloy plate end faces and edges are cleaned by acetone before welding so as to expose metallic luster; TIG welding is applied, and welding process parameters are set, for example, the welding current is 360-380A, the protective gas flow is 24-25L/min, the tungsten electrode diameter is 6mm, the welding wire diameter is 5-6mm, and nozzle hole diameter is 16-20mm; welded positions are preheated, the preheating temperature is 200-220 DEG C, and the preheating time is 0.5-1min; during welding, two operators synchronously perform manual TIG vertical position welding from bottom to top on outer surfaces and inner surfaces of workpieces respectively, a welding gun of the outer surfaces of the workpieces serves as a main gun to perform orderly welding gun left-right swinging and wire filling, and a welding gun of the inner surfaces of the workpieces assists in wire filling. By means of the 16-18mm plate thickness aluminum and aluminum alloy TIG welding process, the welding process can be performer under effectively control, stable whole process and products qualities can be guaranteed, and phenomena of unqualified products are reduced.

The invention relates to the technical field of industrial software, and particularly discloses a job scheduling method based on conversation voice of an employee. The job scheduling method comprisesthe following steps of obtaining the conversation voice of one employee in the working process; extracting the voiceprint features of the employee based on the conversation voice of the employee in the working process; comparing the voiceprint features of the employee with the standard voiceprint features of the employee in different operating posts to obtain the similarity of the voiceprint features of the employee with the standard voiceprint features of the employee in different operating posts; and according to the similarity, outputting the scheduling result of the operating post of the employee. The method and the system can be used for a factory production line; according to the emotions of the employee during different time periods on the same day, the system can identify that theemployee is suitable for which one of the operating posts; further, the job of the employee is scheduled to let the employee work in the most suitable post; and scientific management is achieved.

The invention discloses a glass processing fixing device, and relates to the technical field of glass processing. The device comprises a bottom plate, the upper surface of the bottom plate is provided with four symmetrical round holes, the bottom surface of the bottom plate is fixedly connected with four symmetrical buffer mechanisms, the top end of each buffer mechanism communicates with one round hole, the top end of each buffer mechanism is fixedly connected to a suction cup, sliding grooves are formed in the front face and the back face of the bottom plate, the inner wall of each sliding groove is slidably connected to a set of sliding blocks, limiting mechanisms are arranged on the left side face and the right side face of the bottom plate, and the two ends of each limiting mechanism are hinged to the two sliding blocks. The device is reasonable in design structure, the application range of the device can be wider by arranging the buffer mechanisms and adjusting the buffering capacity of the buffer mechanisms, and by arranging the limiting mechanisms, the glass can be fixed more firmly by stretching a U-shaped rod and clamping the upper surface of the glass.

The invention discloses a pressure sensor testing tool and a using method thereof, and belongs to the field of pressure sensors. The pressure sensor testing tool comprises a base, wherein a fixing block, a supporting plate, a fixing frame and a die holder are fixedly connected to the base, a motor is fixedly connected to the fixing block, a top plate is fixedly connected to the supporting plate, arotating rod is rotatably connected into the top plate, the motor is rotatably connected with the rotating rod through a transmission mechanism, a sliding frame is fixedly connected to the top plate,and a cam is rotatably connected into the sliding frame. The pressure sensor testing tool is simple to use and diversified in detection function, the data accuracy of a pressure sensor is effectivelyimproved and the reliability of the pressure sensor is improved by performing pressing detection of different pressures on the pressure sensor, and meanwhile, the waterproofness of the pressure sensor can be detected by performing circulating water spraying on the pressure sensor, and the applicability of the pressure sensor in different environments is improved.

The invention discloses an automatic assembly line for a starter stator. The automatic assembly line comprises a feeding conveying device, a full-automatic tensioner and a discharging conveying device, wherein the full-automatic tensioner is composed of a worktable and a box body; the worktable is arranged at the upper end of the box body; a glass frame cover is arranged on the worktable; two grasping and moving devices are arranged at the upper part of the glass frame cover; a stator fixing table, a withstand voltage detection table and a size detection table are arranged on the worktable respectively; two bolt screwing devices are symmetrically arranged on the two sides of the stator fixing table; and a voltage applying device is arranged on one side of the withstand voltage detection table. The automatic assembly line integrates bolt screwing, withstand voltage detection and size detection, and thus greatly weakening the labor intensity of workers, improving the working efficiency and meanwhile, reducing man-made unqualified factors.