837results about How to "Reduce the failure rate" patented technology

A method for manufacturing high-cleaning and high carbon complex bearing steel includes: 1) choosing charging mixture 2) first steel making molten steel by is greater than or equal to 30ton electric furnace a. smelting furnace burden b. running out foaming slag and adding lime c. alloying when steel tapping with 92% tap and >90% level 3) refining molten steel by steel ladle furnace a. cleaning steel ladle and furnace cleaning b. through bottom blowing argon mixing with 60 min, earlier stage argon blowing intensity 0.4Mpa and later stage 0.3Mpa, material adding amount is less than or equal to 8Kg/ton steel c. precipitating and deoxidizing by two-stage aluminum feeding method, adding crystallized silicon powder, fluorite(content of calcium is greater than or equal to 98%) into slag face, and dispersing deoxidizing 4) vacuum furnace treating a. bottom blowing argon 0.3Mpa, 25min, vacuum content is less than or equal to 140Pa b. bottom blowing argon mixing 15min, 0.1Mpa without materials after treating 5) molten steel mould casting under inactive gas a. ingot moulding temperature 70deg.C, runner brick coating b. pouring speed 5.1ton steel/min of ingot body and mouth. It achieves high yield.

An aluminum alloy profile for a rail transit car body skirt and a manufacturing method thereof, relating to the technical field of preparation of aluminum alloy profiles, the manufacturing method of the aluminum alloy profile for a rail transit car body skirt includes the following steps: alloy smelting, refining treatment, Casting into rods, sawing of cast rods, homogenization annealing, surface peeling of cast rods, heating of cast rods, extrusion, online quenching, stretching straightening, sawing, surface shaping, artificial aging, the manufacturing method strictly controls the process steps Each parameter can be mass-produced with qualified wall dimensions and good mechanical properties, meeting the strength requirements of aluminum alloy materials for rail transit car body skirts; the prepared aluminum alloy profiles for rail transit car body skirts can be specially used The production of rail transit car body skirts can reduce the occurrence of unqualified rates, improve production efficiency, and reduce manufacturing costs.

The invention discloses a method for improving the control accuracy of hot rolling width, which is a width control method for combined rolling of hot rolling rough rolling vertical roll-horizontal roll in a rough rolling area in a hot rolling device. The method comprises the following steps: establishing the control model relation among the width control quantity, accumulated rolling length and the width of a rolling material by introducing the roll surface roughness into rough rolling width control, then determining the thickness reduction of each pass of each roll housing according to the total thickness reduction of a rolled piece, and then predicting the spread of each pass according to the control model and determining the width of a target outlet of each pass according to a width reduction distribution principle so as to determine the roll gap of a vertical roll of each pass; and realizing the width control on the outlet of each pass by controlling the roll gap of the vertical roll, and finally realizing the control on the target width of the rolled piece in the rough rolling area in the hot rolling device. The method solves the problem of width fluctuation when a rough rolling horizontal working roll is replaced every time in the prior art, reduces the intervention of operators, and can reduce the failure rate of rolling width and production cost.

The invention relates to a button cell production line, being characterized in comprising a rack component, a lithium chip loading mechanism, a paper cutting mechanism, a filling mechanism, a manganese chip loading mechanism, an anode case loading mechanism, a sealing mechanism, a main transmission mechanism, a pneumatic control system and an electrical apparatus control system as well as a control program; the rack component comprises a large worktable and a rack fastened on the lower surface of the large worktable, a lower base plate of the rack is arranged on a lower beam of the rack, a control cabinet is arranged on the upper part of the lower base plate of the rack; the lithium chip loading mechanism, the main transmission mechanism, the paper cutting mechanism, the filling mechanism, the manganese chip loading mechanism, the anode case loading mechanism and the sealing mechanism are arranged on the large worktable in turn; the pneumatic control system is arranged on the lower base plate of the rack; the electrical apparatus control system and the control program are arranged inside the control cabinet; a touch screen support is vertically arranged on the upper surface of the large worktable close to one end of the lithium chip loading mechanism.

The invention discloses fiber after-treatment equipment which comprises a fiber input mechanism (101), a fiber soaking mechanism (102) and a fiber output mechanism (103). An outlet of the fiber input mechanism (101) is formed in an inlet of the fiber soaking mechanism (102). An outlet of the fiber soaking mechanism (102) is formed in an inlet of the fiber output mechanism (103). The fiber after-treatment equipment improves the production efficiency, greatly improves the quality of products, and reduces the product reject ratio in the production process.

The invention discloses a rework method of defective products of crystalline silicon solar cells after printing. The method includes the following three steps: an aluminum paste at the back surface of a cell is removed by using an HCl cleaning liquid; silver pastes at the positive and negative surfaces of the cell is removed by using isopropanol; the cell, the pastes of which is basically removed is treated with deep cleaning by using the deep cleaning liquid so as to thoroughly clean tiny impurities. The conversion efficiency of the cell can achieve the level of a normal cell by using the method for processing, and the appearance is not different from the normal cell, thus the invention achieves the purpose of rework cleaning. The failure rate of the silk screen printing of the cells is reduced to about 0.2 percent from original about 2 percent, thereby increasing the qualified rate and the yield of the silicon solar cells.

The invention provides a multi-dosage-form Chinese and western medicine product full-process intelligent manufacturing system and a construction method. The invention breaks through a multi-dosage-form Chinese and western medicine product manufacturing process and a digital equipment technology. Advanced intelligent equipment such as intelligent equipment facilities, intelligent sensors, intelligent instruments and meters, industrial robots and the like are applied to implementation, and an advanced industrial control system, industrial control software and the like are integrated through technologies such as the Internet of Things technology, the big data technology, cloud computing, artificial intelligence, information security and the like. The information intercommunication between people and equipment, the information intercommunication between equipment and equipment, the information intercommunication between equipment and systems and the information intercommunication between systems are achieved. The full-life-cycle information integration of products from research and development design, planned purchasing, production and manufacturing, quality inspection, sales delivery,product tracing, after-sales service and the like is achieved.

The invention discloses a defect detecting device, a defect restoring device and a defect detecting method. The invention provides a defect detecting device which is capable of judging defects in a proper standard according to the color proportion even when the defects contain multiple-color image elements. The defect detecting device comprises a shooting part for shooting a display panel and obtaining image data; a defective part detecting part for selecting defective part candidates from the image data; a color determining part for determining the image element color of the defective part candidates; and a judging part for calculating the defective rate by multiplying a contrast degree with a correction coefficient varying with different colors, and then judging the defects by comparing the defective rate with a judging value. The judging part concludes after the contrast degree and a corresponding correction coefficient of each color are multiplied to calculate the defective rates when a defective part candidate comprises multi-color image elements.

The invention discloses a container, an injection molding method of container, and a mold for injection molding of a container. The container, which is provided with a wide opening, and is disposed on the inner side of the container body in an inverted manner, can be used to improve the airtight performance of the container, and can be used to produce the container at low costs. The mold (200) is provided with a neck inside side mold (90),which is provided with a first molding surface capable of continuously molding from inner periphery of the neck part (112) of the container body (110) to the end part (118) of the opening part (117); a first sliding core (50) and a second sliding core (60), which penetrates the neck inside side mold (90), and can be used to form the continuous peripheral inverted buckles (114) facing to the inner periphery of the cylinder part (111) of the container body (110) and the inner periphery of the neck part (112); and a core block (70), which penetrates the neck inside side mold (90), and is configured to be in the area enclosed by the first sliding core (50) and the second sliding core (60).

The invention discloses a metal sheet automatic cutting production line. The metal sheet automatic cutting production line comprises a conveyor having a calibration device, a pressing cutter, an automatic detector and an absorption blanker arranged in sequence, wherein a conveying table is arranged at the downstream of the pressing cutter; and the tail end of the conveying table is connected with the absorption blanker. The metal sheet automatic cutting production line, disclosed by the invention, integrates conveying, calibration, pressing, cutting, online detection, electromagnetic absorption and vertical blanking as a whole, detects online to give an alarm through an alarm when discovering unqualified products, prompts to timely adjust the calibration device of the conveyor, guarantees metal sheets to be linearly conveyed and not deflected in the cutting and conveying process, and improves the product pass percent.

The invention relates to solar energy cell sheet processing. Concretely the invention is a crystalline silica solar energy cell sheet plasma enhanced chemical vapor deposition (PECVD) method rainbow film reworking method which is a cleaning process method of a cell sheet having a rainbow film on a surface, and the rainbow film is caused by abnormal discharge in a process of preparing a crystalline silica solar energy cell sheet by utilizing a plasma enhanced chemical vapor deposition method. The cell sheet which is processed by the reworking method is subjected to film plating, printing, and sintering anew, conversion efficiency of the cell sheet can reach a normal level of a cell sheet, appearance of the cell sheet is the same as a normal cell sheet, and a purpose of reworking cleaning is achieved.

The invention relates to a seasoning adding control system. A setting device sets a current processed dish and a required flavor and sends information to a control device, the control device acquires a seasoning ratio matched with the dish and the flavor by means of program calculation, a sensing device sends signals to the control device after sensing a cooking spoon put by a cook, the control device sends control instructions to the seasoning adding device, the seasoning adding device adds seasonings according to the seasoning ratio, and seasoning adding time, types and quantities can be controlled automatically. The invention further provides the seasoning adding device with the control system. The seasoning adding control system and the seasoning adding device have the advantages that dish processing efficiency can be improved evidently, time cost is reduced for catering enterprises, and competitiveness is promoted.

The invention provides an automatic cylindrical battery cap welding machine. The automatic cylindrical battery cap welding machine comprises a rack and a cap welding device arranged on the rack, wherein the cap welding device comprises a cap discharging unit, a cap pushing unit and an ultrasonic welding unit; the cap discharging unit comprises a vibrating disk, a cap discharging groove and a cap anti-explosion point locating unit; the cap pushing unit comprises a vacuum suction nozzle for sucking caps from the cap discharging groove and a cap pushing air cylinder connected with the vacuum suction nozzle; and the ultrasonic welding unit comprises an ultrasonic controller and a battery pushing-up air cylinder, and an anode tab and the cap are welded by an ultrasonic welding head connected with the ultrasonic controller. According to the automatic cylindrical battery cap welding machine, the battery production process is full-automatic, the working efficiency is greatly improved, the unqualified rate of products can be reduced through accurate cooperation of precise parts, time and labor are saved, and the qualified rate of the products is increased.

The embodiment of the invention discloses an audio automatic testing method and terminal. The method comprises the steps of: controlling a set top box to play a set audio signal, and controlling audio acquisition equipment to acquire a played audio; receiving a time domain audio signal sampled by the audio acquisition equipment; converting the time domain audio signal into a frequency domain audio signal, acquiring a frequency spectrum of the frequency domain audio signal, and according to the frequency spectrum, calculating a frequency and an amplitude of the frequency domain audio signal; and detecting whether the frequency of the frequency domain audio signal is in a preset range and whether the amplitude of the frequency domain audio signal exceeds a threshold, and acquiring a detection result. By the technical scheme of the invention, an error and misjudgment which are caused by manual operation can be effectively prevented, detection accuracy is high, detection efficiency is effectively improved, and production cost is saved.

The invention relates to a method for preventing shell expansion of a thick and large surface of a precision-casting stainless steel casting. The method comprises the following steps of: 1, manufacturing all layers according to a traditional process till the layer of shell where a thick and large surface of a precision-casting stainless steel casting shell is bundled with iron wires, wherein the layer of shell bundled with iron wires can be any layer between the fourth layer and the antepenult layer and one thick and large surface is bundled with two rounds of iron wires between which the distance is not larger than 70mm; 2, completely covering the bundled iron wires with a pasty fireproof coating, completely filling gaps between the iron wires and previous layer of shell with the fireproof coating, and spreading fireproof sand on the pasty fireproof coating; 3, drying the pasty fireproof coating and the fireproof sand on the iron wires, and then fabricating next layer of shell till subsequent shell fabrication is completed according to process requirements; 4, dewaxing; 5, roasting; and 6, casting the shell. By the method disclosed by the invention, the percent defective of castings, caused by shell expansion, can be reduced to below 1.5% from the original more than 25%, labor load of subsequent process steps can be reduced greatly, and productivity is improved.

The invention discloses a method for preparing high-purity low-chlorine electroplating-grade cupric oxide. According to the method, copper, liquid ammonia and high-purity carbon dioxide are taken as raw materials, stronger ammonia water is prepared firstly, carbonated ammonia water is obtained through introducing the high-purity carbon dioxide into the stronger ammonia water and controlling carbonization degree, the carbonated ammonia water reacts with the copper under certain air pressure so as to prepare copper-ammonia complexation liquid, the copper-ammonia complexation liquid is then subjected to heating, ammonia distilling, separating, washing, drying and sieving so as to prepare high-purity heavy basic copper carbonate, and the heavy basic copper carbonate is then subjected to heating calcination and decomposition, thereby preparing the high-purity low-chlorine electroplating-grade cupric oxide. According to the method, the carbon dioxide is directly used as a raw material, so that the problems of the traditional method that impurities, such as heavy metal ions and chloride ions, are introduced by raw materials used in the production of basic copper carbonate are solved, the rate of reaction is increased, the production cycle is shortened, the production efficiency is greatly increased, and products are low in impurity content, high in purity, high in activity and wider in application; and meanwhile, the method is high in yield, low in energy consumption, and low in cost and hardly causes pollution.

Disclosed are composite pellets for extrusion molding wherein fusion does not occur between the pellets, and there is no variation in size and density. A molten material obtained by an extruder for a raw material containing a thermoplastic resin and wood powder is extruded into a strand shape through a die nozzle of the extruder, and cut into a predetermined length to form a pellet. At this time, the extrusion amount, the diameter of each nozzle hole, and the number of nozzle holes are adjusted so that the linear velocity (vd) of the molten material in each nozzle hole of the die nozzle is in the range of 12 to 50 cm/sec. Further, regardless of the variations in particle diameter, etc., a stable amount of the composite pellets are supplied to the extruder, and smoothly introduced to a screw of the extruder. The composite pellets and 12-hydroxystearic acid containing a metal of Ca, Mg, or Zn are agitated together, and 0.03 to 0.4 mass% of the 12-hydroxystearic acid is attached to the periphery of 100 mass% of the composite pellet, and the pellets are used for extrusion molding.

Disclosed is plunge type inner/outer curved surface cutting/grinding/polishing process, which comprises a hard pressure head, a cutting layer and a workpiece. The appearance of the hard pressure head can be optionally selected according to needs, the shape of an end of the hard pressure head is processed and shaped according to technical process requirements on an inner/outer curved surface of the workpiece, and the hard pressure head can be made of metal and nonmetal materials while the rigidity, the abrasion resistance and the size of the pressure head are determined according to conditions of machines and equipment. The cutting layer is made of composite cutting materials, is high in strength, not easy to be broken and fine in coincidence property, is heat-resistant, and can realize cutting/grinding/polishing effects. The workpiece is a processed part. By the aid of plunge type cutting/grinding/polishing of the forming hard pressure head, deviation of shapes and positions of inner/outer curved surfaces caused by conventional grinding wheels and abrasive stones can be avoided, the shortcoming of poor precision caused in a previous production procedure can be overcome, and reject ratio of products can be greatly reduced. The plunge type cutting/grinding/polishing technology has the advantages that firstly, the shape of the same pressure head can keep basically consistent regardless of the amount of curved surfaces of workpieces processed by the aid of the hard pressure head, and secondly, inner/outer curved surfaces in any shapes can be processed only by means of changing the shape of the pressure head, and application range of the plunge type inner/outer curved surface cutting/grinding/polishing process is wide.

The invention discloses a heat disposing technique of gear coat of automobile gear box synchronizer, which comprises the following steps: copenetrating carbon and nitrogen at 780-850 deg. c; quenching; cleaning; annealing; testing; setting the carbon potential at 0. 50-1. 0%, nitrogen adding quantity at 5-12m3/h, carbinon adding quantity at 4-7L/h, propane adding quantity at 0. 5-0. 9m3/h and ammonia gas adding quantity at 0-30L/h.