126results about How to "Avoid quality risks" patented technology

The invention provides a method for starting a variable frequency compressor. According to the method, the frequency of the variable frequency compressor is raised to an intermediate frequency in the frequency raising process after the variable frequency compressor is started, and the intermediate frequency is kept for predetermined time, wherein the predetermined time is not shorter than the frequency modulation period of the variable frequency compressor. By the method for starting the variable frequency compressor, the reliability of the variable frequency compressor can be improved, abrasion of the variable frequency compressor is reduced, and the service life of the variable frequency compressor is prolonged; and by tripping certain frequency values of the variable frequency compressor in the starting process of the compressor, resonance between the compressor and a system pipeline is avoided, and the quality risk is avoided.

The invention relates to an integrated type inductor and a manufacture method thereof. The inductor includes a press forming metal magnetic powder block and an inductance coil which comprises a coil body and two terminals; the coil body is formed by a metal enameled wire and is internally embedded in the metal magnetic powder block; the terminals are respectively positioned outside two sides of the metal magnetic powder block; and the coil body is a two-way spiral structure. The invention also provides a manufacture method of the inductor. The inductor which can be widely used in various circuits has the advantages of small volume, high efficiency, large saturation current, wide frequency, and steady product quality.

The invention discloses a four-table shunt excitation perpendicular vibration test system with an expansion table board. The system comprises four vibration table bodies, four outside lug supports, two inside lug supports, one expansion table board, eight pairs of Pad bearings, four periphery supports, one bearing mounting frame, four movable frame adaptors, one center air spring support, four periphery air spring supports, eight air springs and eight support blocks, wherein the inside lug supports are located in the middles of two outside lug supports, the four vibration table bodies are supported between the inside lug supports and are connected with the above expansion table board through the movable frame adaptors respectively, two layers of the eight pairs of Pad bearings which are symmetrically distributed on the periphery restrain the expansion table board to move in the vertical direction, system anti-overturning moment is realized by preloading horizontal loads on the Pad bearings, and static load support is realized on the expansion table board through the air springs in five positions of the bottom center and the periphery.

The invention provides a premix mate for laying hens in an egg producing period and a preparation and application of the premix mate and belongs to the field of animal feeds. The premix mate for the laying hens in the egg producing period is prepared from the following raw materials in parts by weight: peanut meal, hot chili residues, fermented cake meal and amino acid, sodium bicarbonate, betaine, hemoprotein, limestone powder, mycoprotein, a shell treasure, calcium hydrophosphate, quercetin, a mildew inhibitor, perennial sowthistle powder, compound probiotics and the like. According to the premix mate for the laying hens in the egg producing period, one part of bean pulp in a complete formula feed can be replaced, the antioxidant activity of the laying hen bodies can be effectively improved, the digestion and absorption rate and the conversion rate of the laying hens in the egg producing period are effectively improved, the immunity is significantly improved, healthy intestinal tracts of the laying hens are ensured, too thin faeces are prevented, unhairing of the egg producing period is improved and slow growth condition of feather is improved. For the conditions of poor quality of egg shells, multiple broken eggs and a short peak laying period, the colors and the quality of the egg shells are effectively improved, the health of bodies is promoted, the production performance is improved and the egg production period is prolonged.

The invention provides a method for determining a food boiling point in a food processer and a food processer. The method comprises the following steps that: a time length Ta needed by raising a unittemperature of food is determined; the food is heated to be at a predetermined temperature C3 at a first preset power P1 and then the heating power is reduced to be P2 to heat the food, a current foodtemperature is recorded as Cx, and a time length Tx of the food temperature changing from a Cx-1 to the Cx is recorded; whether the Cx value is a first preset temperature is determined; if so, the food temperature is determined to reach a boiling point; if not, a Tx is compared with a delta Ta; if the Tx is larger than or equal to the delta Ta, the food temperature is determined to reach a boiling point; and if the Tz is less than the delta Ta, the first kind of determination behavior is executed continuously. With the method provided by the invention, food like soybean milk in a food processor is boiled and cooked fully without being affected by factors like the altitude of the current environment.

The embodiment of the invention provides a network scheduling method and device, a computer storage medium and network equipment, and the method comprises the steps: monitoring the network conditionsof all links of a whole network, and obtaining a target link with network quality abnormity early warning in a target network; if the target link belongs to a scheduling link in the line network scheduling information of the target network, removing the target link from the line network scheduling information; thus, possible influence on service implementation due to the fact that the abnormal link which has already generated early warning is used in the service implementation process can be avoided, quality risks which may exist in the service implementation process are avoided in advance, itis guaranteed that the network conditions of all scheduling links in a line network are in a better state all the time, and accordingly the service quality is guaranteed; moreover, abnormal links generating early warning are automatically removed from the line network scheduling information, so that the processing efficiency is improved, and the labor cost and the time cost are saved.

The invention discloses a waste emulsion explosive recycling treatment device, system and method. The treatment device comprises a storage tank, a filter screen, a seal cover, an oil inlet part and an oil outlet part, wherein the filter screen is arranged in the storage tank which is covered with the seal cover, the oil inlet part is communicated with the upper part of the storage tank, and the oil outlet part is communicated with the lower part of the storage tank. The treatment system comprises the waste emulsion explosive recycling treatment device, a diesel oil transfer pump, a main pipeline and a main pipeline valve, wherein the diesel oil transfer pump is connected with the main pipeline which communicates an oil inlet branch pipeline with an oil outlet branch pipeline; the main pipeline valve is located on the main pipeline between an inlet of an inlet valve and an outlet of an outlet valve. The treatment device, system and method have the advantage that safety risk and quality risk are avoided during recycling of the waste emulsion explosive.

Disclosed is a conversion method of control data of an aircraft. According to the method, a template control file is used to acquire control parameters from a control data text file; a read trajectory program angle of each time point is subjected to analysis and extension to generate processed trajectory program angle data; according to a read navigation parameter and a guide constant coefficient of each time point, a trajectory guide variable coefficient corresponding to each time point is calculated, the trajectory guide variable coefficient corresponding to each time point is subjected to analysis and extension to generate a processed trajectory guide variable coefficient; and according to attributes of data read from the template control file, a data source code file which can be identified by high-level languages is generated. The conversion method is capable of achieving autonomous analysis and processing of the control data and rapidly and reliably converting the control data text file to the high-level language data source code file which can be identified by rocket flight control software.

The invention discloses a method and equipment for storing surface mount technology (SMT) products automatically. The method for storing the SMT products automatically comprises the steps as follows: a robot carrying module, the SMT products and anti-static turnover boxes provided with knife cards inside are provided; the robot carrying module comprises a manipulator, a machine vision assembly, a product taking and placing assembly and a box body taking and placing assembly; the machine vision assembly acquires state information of the turnover boxes and transmits the state information to the manipulator; the manipulator drives the box body taking and placing assembly to grasp the turnover boxes and drives the box body taking and placing assembly to move the turnover boxes to the storing position; the machine vision assembly acquires state information of the knife cards in the turnover boxes and transmits the state information to the manipulator; and the manipulator drives the product taking and placing assembly to put the SMT products in accommodating spaces defined by the knife cards. The method and the equipment solve the technical problem that the SMT products cannot be put into the anti-static turnover boxes automatically and accurately.

The invention discloses nontraditional cut tobacco type cigarette production equipment, which comprises multiple drum wheels, wherein a nontraditional cut tobacco stick section and a composite filtertip section are delivered to a wrapping region through the drum wheels, tipping paper is supplied along a dual-wide tipping paper centrosymmetric surface MU to wrap and form the nontraditional cut tobacco stick section and the composite filter tip section, and the distance between each of the dual-wide tipping paper centrosymmetric surface MU, a double-length composite filter tip section centrosymmetric surface MF and a double cigarette final cutter centrosymmetric surface MK and a center surface MM of the machine is 0. According to the equipment, the distance between each of the dual-wide tipping paper centrosymmetric surface MU, the double-length composite filter tip section centrosymmetric surface MF and the double cigarette final cutter centrosymmetric surface MK and the center surfaceMM of the machine is ensured to be 0, so that the problems of substandard cigarette appearance quality and scrap consumption caused by such a requirement that the tipping paper is aligned with a filter tip on one side during high-speed operation of the equipment are solved, the aim of controlling the quality and the aesthetics of cigarettes is fulfilled, and in addition, the production efficiencyis improved.

The invention relates to the field of the secondary refining of an LF (Ladle Furnace), and in particular relates to a method for removing phosphorus by utilizing LF. The method is characterized in that the content of oxygen entering a station and the adding amount of lime particles and refining slags are controlled by utilizing the oxidability of molten steel, so that the temperature of the molten steel entering the station is decreased so as to meet a low-temperature condition required for removing the phosphorus. Compared with the prior art, the method has the beneficial effects that 1) by utilizing the characteristic of the high oxidability of the molten steel, the lime particles are added so as to provide the high alkalinity required for removing the phosphorus; and the slags of 1ton or so are added so as to meet the large slag quantity required for removing the phosphorus, wherein the temperature of the molten steel entering the station is normally from 1600 to 1620 DEG C, thereby meeting the low-temperature condition required for removing the phosphorus; and 2) when the content of the phosphorus in an argon station is between 0.010% and 0.015%, the phosphorus removal is performed in a one-step feeding manner, wherein the phosphorus removal rate can reach 40% to 45%; and the content of the phosphorus in the argon station is greater than 0.015%, the phosphorus removal rate can reach 46% to 51% by performing the phosphorus removal in a secondary feeding manner, so that the content of a finished phosphorus product is controlled within 0.010%. As a result, the quality risk is avoided.

The invention provides odor type Qianliang tea and a preparation method thereof, as well as odor type Qianliang tea cakes and a preparation method thereof, relates to a processing method of flowery cylindrical tea and the flowery cylindrical tea. The preparation method the Qianliang tea comprises the following steps of ageing raw materials, wherein the humidity is controlled to be 45-70%, the temperature is controlled to be 30 DEG C or below, and the time is controlled to be 1-2 years; preparing new tea; performing aroma increasing on the raw materials; assorting the raw materials: 60-90 partsof mountain top organic dark unfinished tea, and 10-40 parts of same-year 2-3-grade high mountain and barren mountain dark unfinished tea; and performing steaming, stepping, airing and drying. The Qianliang tea has the characteristics that tea columns can naturally give off flower and fruit fragrance of tea leaves, after the Qianliang tea is cut into slices, tea fragrance is rich, the fragrance is rich, plum, fresh and long-lasting, and after the Qianliang tea is stored for many years, the fragrance is not reduced; the product namely the Qianliang tea is mellow and gentle in mouth feel, sweetand long, after the Qianliang tea is drunk, the lingering fragrance is continuous, the problem that conventional Qianliang tea only has aged fragrance but does not have the flower and fruit fragranceof the tea leaves is solved, the product does not need to be stored, can directly appear on the market, and adapts to the new consumption concept of safe, green and fresh dark tea; and besides, quality risks existing in long-term storage of the Qianliang tea are avoided, the fund turnover is accelerated, and the economic benefits are increased.

The invention discloses a preparation method of high-aroma Qianliang tea (a kind of black tea) and a product thereof, and relates to processing methods of high-aroma compressed tea and products thereof. The preparation method of the high-aroma Qianliang tea comprises the following steps of aging raw materials, namely piling picked crude black tea in an aging warehouse for 1-2 hours with the air humidity controlled at 45-70% and the temperature controlled at 30 DEG C or below so as to carry out aging; increasing aroma of the aged materials, namely increasing aroma of the aged black tea by usingaroma increasing equipment until overflowing tea aroma is produced, and performing steaming so as to carry out softening; carrying out basket-loading and treading; and carrying out air-drying. Tea columns prepared according to the preparation method has natural tea fragrance of flowers and fruits. Being sliced, the tea has overflowing aroma which is richer and fuller compared with tea on which treading is not performed; moreover, the aroma is durable, and is not reduced after storage for many years. The high-aroma Qianliang tea is mellow and soft in taste, as well as long-lasting in sweetnessand after-taste, and thus, the problem of traditional Qianliang tea, namely sole aged aroma without tea fragrance of flowers and fruits is solved; moreover, the high-aroma Qianliang tea can be directly marketed without carrying out storing so that new concept of black tea consumption, namely requirements for safe, green and fresh black tea, is adapted. In addition, quality risk of long-term storage is avoided, and capital turnover of enterprises is accelerated so that economic benefits of the enterprises are increased.

The invention provides a terminal plugging detection device and system. The terminal plugging detection device comprises a plugging mechanism and a detection mechanism; the plugging mechanism comprises an ejector pin and a sliding piece, the ejector pin and the sliding piece are in sliding connection, so that the sliding piece abuts against a connector; the detection mechanism is used for detecting the relative movement distance between the ejector pin and the sliding piece to judge whether the terminal is inserted in place or not, and the ejector pin is used for pushing the terminal into the hole position of the connector to detect the relative movement distance between the ejector pin and the sliding piece to judge whether the terminal is inserted in place; meanwhile, the detection mechanism is used for detecting the relative movement distance between the thimble and the sliding piece to judge whether the terminal is inserted in place or not, so the detection and insertion efficiency is effectively improved.

The invention belongs to the field of automobile manufacturing, and particularly provides a cantilever beam supporting device and a preparation method thereof. The cantilever beam supporting device comprises a base and a rod piece connected with the base, wherein the base and the rod piece are made of fiber-reinforced resin-based composite materials. The cantilever beam supporting device has the characteristic of lightweight so that the weight of a vehicle can be reduced, and the energy-saving and emission-reducing effects can be achieved. Meanwhile, the cantilever beam supporting device can effectively reduce the resonance effect of the cantilever beam supporting device and a vehicle frame, breaking can be prevented, quality risks are avoided, and the preparation method is simple and feasible.

The invention discloses an electric energy meter fault number prediction method, and relates to a fault prediction method. In the prior art, an electric energy meter demand or alternating method is adopted, and the number of faults occurring in batches of electric energy meters every month is not predicted. The method comprises the following steps of: solving a moving average number sequence of asequence for imported data, establishing an ARIMA model for the moving average sequence, and predicting the future of the moving average sequence by using the model; and finally, restoring the seasonality of the predicted data, and finally obtaining a prediction result. According to the method, the time sequence decomposition model, the exponential smoothing model and the time sequence ARIMA modelare combined for use, and advantages and disadvantages can be made up; the accuracy and economy of predicting the fault number of the electric energy meter are improved, the quality risk and propertyloss caused by overdue and overstock of the electric energy meter are avoided, the cost input returned by the overdue meter is reduced, and the overstock of the inventory electric energy meter is avoided.

The invention discloses a treatment device, a treatment system and a treatment method of reusing emulsion explosive waste propellants. The treatment device comprises a storage tank, a filter screen, a sealing cover, an oil inlet part and an oil outlet part; the filter screen is arranged in the storage tank; the sealing cover covers the storage tank; the oil inlet part communicates with the upper part of the storage tank; and the oil outlet part communicates with the lower part of the storage tank. The treatment system comprises the treatment device of reusing the emulsion explosive waste propellants, an oil-phase material conveying pump, an oil-phase material pipeline, an oil phase pipeline valve, a water-phase material conveying pump, a water-phase material pipeline and a water phase pipeline valve. With adoption of the treatment device, the treatment system and the treatment method, the safety risk and the quality risk do not exist when the emulsion explosive waste propellants are reused.

The invention discloses a distributed cigarette storage scheduling system applied to cigarette batch optimization management, and the system comprises a warehouse-out order subsystem which is used forgenerating and sending a sales demand; The elevated warehouse subsystem is mainly used for managing cigarette inventory information of the production substrate warehouse and sending the cigarette inventory information; Cigarette storage scheduling control subsystem, according to the received sales demand and cigarette inventory information, a distributed warehousing cigarette scheduling strategyis adopted to generate a sales area distribution instruction, the sales area distribution instruction is also used for matching the received cigarette batch information with cigarette batch information in the sales area distribution instruction, and a matching result is sent to a terminal operation machine; And the terminal operation machine is used for loading the corresponding cigarettes on thetruck according to the distribution instruction of the sales area after receiving the distribution instruction of the sales area, and feeding back the loaded cigarette batch information to the cigarette storage scheduling control subsystem. The invention further discloses a distributed cigarette storage scheduling method applied to cigarette batch optimization management.

The invention discloses a surface treatment method of a printed circuit board and application of the surface treatment method. When the gold finger area is electroplated with thick nickel gold, the chemical gold immersion area which does not need to be electroplated is protected by adopting an anti-gold-electroplating adhesive tape with the tensile strength of 1.4-1.8 kg / 10mm, the elongation of 120%-180% and the adhesive force of 0.08-0.12 kg / 25mm. The anti-gold-plating adhesive tape is tightly attached in the electroplating process, the problems of diffusion plating and ink falling of a chemical gold immersion area in the electroplating process are avoided, the anti-gold-plating adhesive tape has the characteristic of no degumming after being torn off, and the quality risk of adhesive residues is avoided. Meanwhile, the anti-gold plating adhesive tape is combined with the specific photosensitive ink, so that the surface treatment method can meet the high-precision requirement that the distance between the chemical gold immersion area and the golden finger area is larger than 6 mil, the production process is simplified, and the manufacturing cost is reduced.

The invention discloses a method and device for reminding use of a heated glue within the validity period. The method comprises the following steps: during a process of replacing glue of dispensing equipment, recording the temperature returning start time of the glue; acquiring the temperature returning validity period; calculating the validity period finishing time of the glue based on the temperature returning start time and the temperature returning validity period; and outputting a first prompting message at the moment of the validity period finishing time, wherein the first prompting message is used for reminding a user of replacing with new glue. The method and the device are capable of effectively preventing products from using expired glue, so as to reduce the product quality risk.

The invention discloses an intelligent checking method and system for digital achievements of building design, and belongs to the field of constructions.The method comprises the steps that different checking control key points are called according to specialty and checking stages and used for prompting checking content, checking personnel can add / delete the control key points, and checking efficiency is improved through the rechecking process; the built-in control key points are automatically updated, and reusing of verification experience is achieved; annotating questions in the BIM model and the CAD drawing by using a cloud line mode, and selecting and classifying corresponding built-in question categories and levels; annotated questions are automatically read, a question list table is formed, and the coordinate positions of the questions can be automatically and rapidly positioned through the list, so that modification is convenient; meanwhile, related drawings and verification data are sent to related personnel through an informatization process; receiving the drawings and the verification data by a receiver through a process; and information such as processing personnel, processing opinions and results, time and the like of the process is automatically recorded and can be looked up, compared and traced.

The invention provides a period checking method for a differential pressure transmitter verification device. The method comprises: firstly, a period checking data is calculated according to main standard submitting time; secondly, a checking standard is verified by using a verification device on the period checking data; thirdly, the checking standard is installed on the verification device, the verification device is started by invoking a testing program automatically to test the checking standard, and testing data are uploaded to a background control system uniformly; and fourthly, the background control system carries out an automatic analysis on a performance index of the verification device based on the testing data. The method has the following beneficial effects: the verification device can be tested automatically and regularly to guarantee accuracy and stability of the metering performance of the device; and precise operation of the differential pressure transmitter verification device can be guaranteed effectively and the application prospect of the method is wide.

The invention provides automatic car door cover conveying and feeding equipment and feeding method and belongs to the field of car manufacture industry machining and conveying. The automatic car doorcover conveying and feeding equipment comprises a bottom frame, a supporting frame, a conveying mechanism fixed to the supporting frame, and a turning-over mechanism for automatically turning over andresetting the supporting frame, wherein the bottom frame and the supporting frame are connected in a hinged manner. The turning-over mechanism comprises an execution unit for driving the supporting frame to be turned over, a detecting unit for detecting the position of a car door cover, and a control unit for receiving the signal of the detecting unit and driving the execution unit to act. The feeding method comprises the steps of locating and clamping a workpiece, turning over the supporting frame to the horizontal position, conveying the workpiece and obliquely turning over and resetting the supporting frame. The equipment has the beneficial effects that automatic turning over, feeding and conveying are achieved, feeding is more stable and convenient, the activity distance of operatorsis shortened greatly, the labor intensity of workers is reduced, the working efficiency is improved, and meanwhile safety and quality risks existing in the transportation process are avoided.

The invention discloses a zirconium alloy ingot casting alloy element adding method. The method comprises the steps that 1, a zirconium raw material and an alloy element raw material are prepared; 2,raw materials of the alloy elements are selected, weighed and then wrapped into bags through zirconium foil, and a plurality of intermediate alloy bags are obtained; 3, a plurality of intermediate alloy bags are arranged between two layers of sponge zirconium and pressed to obtain electrode blocks; 4, the electrode blocks are welded to obtain a consumable electrode; and 5, vacuum consumable arc melting is carried out on the consumable electrode to obtain zirconium alloy cast ingot. The zirconium foil is used for wrapping the alloy element raw material to prepare the intermediate alloy bags, and the zirconium foil at the front end of the electrode is high in melting point in the smelting process and is not prone to melting too early and flowing into a molten pool; and the distribution uniformity of all elements in the zirconium alloy cast ingot is guaranteed, meanwhile, alloy raw materials do not need to be alloyed in advance, the procedures of alloy bag pressing and alloy buckle smelting are omitted, the technological process is shortened, tungsten electrode pollution caused by alloy buckle smelting is avoided, the labor intensity is reduced, and the method is suitable for industrial production.

A device with an air cylinder driving a magnet to take and place a steel ring comprises a control power source, a supporting seat and an air cylinder arranged on the supporting seat. The device further comprises an electromagnetic valve connected with the air cylinder and used for controlling the air cylinder, a stop block connected with the air cylinder, a sensor arranged on the stop block and a magnet arranged on one side of the sensor, wherein the magnet is arranged in the stop block. According to the device, the electromagnetic valve is used for controlling the air cylinder to drive the magnet, the steel ring is grasped through the attracting force of the magnet, the clamping force is uniform and reliable, installation is convenient, no deformation is generated, and the quality risks caused when the steel ring is prone to falling off or deforming in the conveying process are avoided.

The invention discloses a fat emulsion tail liquid treatment apparatus and a method thereof, and belongs to the field of fat emulsion preparation. The treatment system comprises a colostrum tank, a homogenizing tank, a transfer pump and a homogenizer, the colostrum tank, the homogenizing tank, the transfer pump and the homogenizer are connected by a pipeline and valves arranged on the pipeline to form a circulating system, and the transfer pump is serially connected with the homogenizer, and is further serially connected with the colostrum tank, the homogenizing tank which are connected in parallel. The tail liquid treatment method sequentially comprises the following steps: forming self circulation among the colostrum tank, the transfer pump and the homogenizer; pumping fat emulsion in the colostrum tank to the homogenizing tank through the transfer pump and the homogenizer; pumping the fat emulsion in the homogenizing tank to the colostrum tank through the transfer pump and the homogenizer; pumping the fat emulsion in the colostrum tank to the homogenizing tank through the transfer pump and the homogenizer; and allowing the fat emulsion in the homogenizing tank to enter an external subsequent technology. The fat emulsion tail liquid treatment apparatus and the method thereof greatly reduce the tail liquid discharge amount on the premise of guaranteeing safety and reliability.

The invention discloses a manufacturing process of a copper-coin-buried PCB, and relates to the technical field of PCB board manufacture. The method comprises the following steps: laminating->millingan edge->drilling an alignment hole->conformask of an outer circuit->etching an inner layer->AOI of the inner layer->tearing off a protective film->removing excessive glue->laser drilling. In the laminating step, the protective film is at the lowermost layer of the PCB. The invention completes the step of removing excessive glue which affects board warpage after the conformask of the outer circuit, effectively avoids the problem of warpage during the circuit manufacture, reduces the production difficulty, solves the quality problem of poor exposure of the original conventional process, and improves the product yield.

The invention relates to a cap nut forming device. The device comprises a feeding mechanism and five molds which are sequentially arranged, wherein the feeding mechanism moves and performs feeding among the five molds, the five molds comprises a pre-upsetting mold for obtaining a shaped blank, a hexagonal upsetting mold used for forming a hexagonal blank, an upsetting pre-forming mold used for generating a preformed blank, a forming mold for further processing the preformed blank, and a through hole mold used for completing perforation of a through inner hole of a finished product cap flange nut. The forming process by utilizing the cap nut forming device comprises the following steps of shaping, hexagonal upsetting, hexagonal flange cap prototype upsetting, forming, and inner hole perforation. By adopting the technical scheme, the process and the cost of cap welding or cap riveting are reduced, the cost of secondary tapping after the cap welding or cap riveting is reduced, the cost waste and the quality risk caused by the problem of thread pass caused by cap welding or cap riveting are avoided, and a cold extrusion primary forming process is adopted, so that the production cost isreduced, and the production efficiency is improved.

The invention discloses a segmental prefabricated assembly type concrete tower segment prefabricating mold and a prefabricating process. The prefabricating mold comprises a mold table, an inner mold,a bottom mold, an outer mold and side molds, wherein the mold table is fixed to a foundation, the inner mold is fixedly arranged above the mold table, and the bottom mold is fixedly connected with thebottom of the inner mold; the outer mold is connected with the mold table in a sliding manner through sliding rails arranged above the mold table, and the outer mold is detachably connected with theinner mold and the bottom mold through top clamps and bottom clamps; and the side molds are symmetrically arranged at the two sides of the inner mold in the width direction, one sides of the side molds are movably connected with the inner mold, and the other sides of the side molds are detachably connected with the outer mold through side face clamps. According to the prefabricating process, on the basis of using the prefabricating mold, the mechanized construction concept of fabricated components is introduced, the construction process is standardized, the manual intervention degree is reduced, the segment prefabricating precision is improved, and batch and intensive production of concrete segments is achieved.

The invention discloses a design method of a gold immersion process test board. The design method comprises the following steps of: drilling a plurality of through holes in a core board, and metalizing the through holes through copper immersion and full-board electroplating; pasting a film on the core board, and forming a test pattern after exposure and development, wherein the test pattern comprises a plurality of circular PAD patterns and square blocky patterns, and carrying out windowing at the positions corresponding to the through holes; then plating a copper layer and a tin layer additionally through pattern electroplating; after film stripping, removing the board surface copper layer except the test pattern on the core board through etching, and then carrying out tin stripping; carrying out semi-hole-plugging processing on the partially metallized through hole; and manufacturing a solder mask layer on the core board to obtain the test board. The gold immersion process test boarddesigned by the method has the characteristics of normalization, standardization and unification, the gold immersion process can be scientifically evaluated, the product quality requirements of companies are met, and the quality risk, the cost risk and the management difficulty caused by selecting unqualified boards which are not suitable for the gold immersion process for testing are avoided.