143results about How to "Reduce quality risk" patented technology

The invention relates to the field of production line efficiency management, and provides a food packaging workshop production line efficiency management system, which is characterized in that a data acquisition module acquires workshop production line historical environment temperature and humidity data and packaging material performance parameter data, and a material analysis module establishes performance models of different packaging materials under various temperature and humidity combinations; the production initialization module configures environmental parameters of an initial food packaging workshop production line according to the material analysis module, and the quality tracing module traces specific links of food packaging problems; the comprehensive efficiency management module carries out efficiency management including personnel and resources according to an analysis result of the material analysis module, and carries out process efficiency management based on a tracing result of the quality tracing module; according to the method, the influence weight and rule of the temperature and humidity on the material performance are determined, personnel task allocation, resource management and environmental parameter adjustment are carried out according to the analysis result, and the production efficiency is improved.

The invention discloses a cigarette carton flexible conveying and early warning system and method based on dynamic priority control, and belongs to the technical field of cigarette packaging production control. The system comprises a PLC, a photoelectric coupler, a first photoelectric switch and a second photoelectric switch; the first optoelectronic switch and the second optoelectronic switch monitor the cigarette carton flow in the cigarette carton conveying channel, and the PLC comprehensively judges and analyzes cigarette carton flow signals, case filling and sealing machine operation state signals and high-position carton storage device state signals, increases or decreases the priority of the high-position carton storage device and controls the cigarette carton conveying channel to convey cigarette cartons to the cigarette carton conveying channel. And the high-position carton storage device is controlled to store or release the cigarette cartons. The functions of monitoring the cigarette bar flow in the conveying channel, dynamically controlling cigarette bar storage or release of the high-position bar storage device, cooperatively linking with the case filling and sealing machine and the like are achieved.

The invention provides an automatic turnover device for a cabin section. The automatic turnover device comprises a turnover elevator, a quick change device and a turnover clamp, the turnover lifting machine comprises a rack, a turnover lifting arm and a rotating platform, and the rack completes Y-direction horizontal movement along a ground guide rail; the overturning lifting arm completes Z-direction lifting motion along the rack, the overturning lifting arm completes X-direction horizontal movement at the fixed height of the rack, and a rotating platform at the working end of the overturning lifting arm completes rotating motion around the X axis; the quick-changing device comprises a main side and a tool side, the main side is mounted on the rotating platform, and the tool side is mounted on the overturning clamp; the overturning clamp is clamped on the cabin section, and the overturning elevator is connected with the cabin section through butt joint of the main side and the tool side of the quick-changing device; y-direction movement of an upper rack of the turnover lifting machine and X-direction movement of a turnover lifting arm implement accurate butt joint of the main side and the tool side of the quick change device, Z-direction movement of the turnover lifting arm implements lifting or placing of a cabin section, and a rotary platform of the turnover lifting machine rotates around the X axis to drive the cabin section to turn over.

The invention discloses a tool for rapid clamping of thin-wall sleeve parts, mainly relates to the technical field of thin-wall sleeve part clamping, and comprises a fixed base, a housing is arranged at the upper end of the fixed base, a rotating cam is rotatably mounted in the fixed base, clamping plates are slidably mounted on the periphery of the rotating cam, and a rotating rod is connected to the rotating cam. A limiting cone sliding plate is arranged in the rotating rod, and an eccentric handle is arranged on the limiting cone sliding plate; rapid clamping of the thin-wall part can be achieved.

The invention relates to the field of glass detection, in particular to a universal glass edge detection device which comprises a rack provided with a glass conveying module, an electronic cam main shaft, an electronic cam auxiliary shaft, a profile detection module and a glass edge detection module, and the profile detection module and the glass edge detection module are sequentially arranged in the feeding direction of the glass conveying module. The invention also provides a universal glass edge detection method, the electronic cam main shaft controls the glass conveying speed, performs profile detection on the conveyed glass to obtain glass edge coordinate information, the cam table is generated according to the glass conveying speed and the glass edge coordinate information, and the electronic cam slave shaft adjusts the glass edge detection focal length according to the cam table. According to the universal glass edge detection device and the universal glass edge detection method provided by the invention, edge detection can be carried out on glass in convection motion, the detection efficiency is high, the precision is high, and automatic detection of glass with different sizes, shapes and specifications can be met.

The invention discloses a vehicle-mounted host testing method, device and equipment, a storage medium and a vehicle, and the method comprises the steps: recognizing and awakening an input signal of a vehicle-mounted host, and under the condition that the input signal is recognized to comprise an ACC (adaptive cruise control) hard line signal and an NM (bus network management) message signal, starting the vehicle-mounted host; generating wakeup time with a non-fixed time interval according to a wakeup time setting strategy of the vehicle-mounted host, waking up the vehicle-mounted host by using the ACC hard wire signal and / or the bus NM message signal under the condition that the wakeup time is detected to be reached, obtaining vehicle-mounted host state information, and sending the vehicle-mounted host state information to the vehicle-mounted host. And comparing the vehicle-mounted host state information with preset state information to obtain a test result of the vehicle-mounted host. In this way, the vehicle-mounted host is awakened based on the awakening time of the non-fixed time interval, limitation of inherent frequency is eliminated, software defects existing in the vehicle-mounted host can be better recognized, and the accuracy of the pressure test of the vehicle-mounted host is improved.

The invention discloses a high-standard bearing steel quality prediction model based on machine learning. The high-standard bearing steel quality prediction model comprises the following steps: 1) data acquisition: collecting on-site key process and component data having potential influence on the qualification rate and defects of high-standard bearing steel; 2) data preprocessing: processing the collected various process and component characteristic variables; 3) data division: dividing the data into a training set and a test set according to a proportion; 4) constructing a model: training a deep neural network model constructed by using Python through the training set; 5) performing model evaluation: performing evaluation comparison on the trained model through a test set, and taking the trained integrated learning model as a prediction model; and 6) quality prediction: importing the data of the steel to be tested into the trained model to obtain a prediction result. According to the method, a perfect enterprise digital process and a component acquisition system are constructed, the high-standard bearing steel quality is accurately predicted by utilizing a machine learning technology, and the accuracy rates of water immersion flaw detection qualification prediction and crack defect prediction are both greater than or equal to 80%.

According to the cabin section rolling and posture adjusting mechanism, the self-adjusting rolling wheel module is integrated, large-angle rolling of the cabin body around the axis in the Y-axis direction is achieved, a ladder climbing operation scene is replaced, potential safety hazards are reduced, general assembly operation is convenient and fast, and the general assembly efficiency is greatly improved; manual posture adjustment is replaced, posture adjustment and butt joint are accurate, and the quality risk caused by manual operation is reduced; the integrated transverse moving assembly is used for achieving translation of the cabin section in the X-axis direction and the Z-axis direction; the two transverse moving assemblies move reversely in the X-axis direction to rotate in the horizontal plane of the cabin section; the two transverse moving assemblies move reversely in the Z-axis direction, and rotation in the vertical plane of the cabin section is achieved; the transverse moving assembly is installed on a guide rail of the moving platform and moves on the guide rail of the moving platform in the Y-axis direction, and horizontal moving posture adjustment of the cabin in the Y-axis direction is carried out. The weighing module is integrated, the occupied space of the weighbridge can be released, the weighing process is simplified, and time and space occupation caused by back-and-forth product transfer is avoided.

The utility model discloses a cartridge holder type carrier plate loading and unloading device stable in clamping, which comprises a material storage assembly used for placing cartridge holders, a material pushing assembly, a cartridge holder moving assembly and a carrier plate transfer assembly are arranged on one side of the material storage assembly, the cartridge holder moving assembly is used for moving the cartridge holders on the material storage assembly, and the carrier plate transfer assembly is used for transferring the cartridge holders on the material storage assembly. An elastic clamping component is arranged on the cartridge holder moving assembly and used for keeping the connection state of the cartridge holder moving assembly and the cartridge holder. According to the material clamping component, through cooperative work of the material clamping air cylinder, the movable clamping jaw and the fixed clamping jaw, stable clamping and quick release of the cartridge holder are achieved. Through the application of the torsional spring and the cushion block of the elastic clamping component, the clamping stability and reliability are enhanced, the elastic clamping device can adapt to the clips of different sizes, stable clamping is kept, and safe clamping of the clips can be ensured in the environment of high-speed movement or large vibration.

The present invention provides a high-power dynamic constant tension winding and unwinding device, comprising a frame, a wire unwinding frame, a reduction motor, a control cabinet and a distance meter arranged on the frame; a wire unwinding shaft is arranged on the wire unwinding frame, wherein the wire unwinding shaft is used to place an electromagnetic wire reel, and the electromagnetic wire is wound on the electromagnetic wire reel; a frequency converter is arranged in the control cabinet, and the frequency converter is connected to the reduction motor and the distance meter, wherein the control cabinet is used to set the constant tension required for the electromagnetic wire, the reduction motor is used to output a torque that changes with the radius of the electromagnetic wire reel to the wire unwinding shaft, and the distance meter is used to detect the radius of the electromagnetic wire reel and feed back to the frequency converter, and the frequency converter adjusts the torque output by the reduction motor to form a closed loop, so that the electromagnetic wire on the electromagnetic wire reel maintains a dynamic constant tension. Regardless of whether the winding state is in motion or stagnation, a constant tension is loaded on the electromagnetic wire, which greatly improves the winding quality of the coil and the tightness between the turns, and reduces the quality risk when the synchronous machine is running.

The invention relates to the technical field of warp knitting machine control, in particular to a carbon fiber warp knitting machine operation method based on the Internet of Things, which comprises the following steps: determining a knitting control state of a warp knitting machine, determining an initial knitting speed and matching a traction speed according to the initial knitting speed; determining a central area and an edge area of the braided fabric according to the raw material diameter of the carbon fiber raw material and the target fabric density; determining the motion trails of the warp knitting needle and the sinker in the knitting process so as to determine the equipment characterization state of the warp knitting machine; determining whether the warp knitting machine acquires a surface image of the braided fabric or not according to the equipment characterization state; acquiring a surface image of the braided fabric at each preset time node to determine a density characterization trend of the braided fabric; determining an operation characterization trend according to the density characterization trend to determine whether to adjust the initial knitting speed; according to the center flat state and the fabric edge state, the operation characterization trend is secondarily determined so as to determine whether to adjust the traction speed or not. Therefore, linkage among links of monitoring equipment, controlling the quality of braided fabric and optimizing the production process is realized.

The invention relates to the technical field of welding, and particularly discloses a teaching-free welding track planning method and a welding system.The teaching-free welding track planning method comprises the following steps that firstly, visual collection and processing are conducted, an industrial camera with the resolution ratio being 30 million pixels is selected, and a sensor monitoring unit is adopted by the system to monitor welding faults in real time; the fault diagnosis unit adopts an advanced algorithm for rapid diagnosis, and after the fault classification unit performs refined classification, the processing strategy formulation and execution unit performs rapid response processing, the recording analysis unit provides data support, the image acquisition analysis and quality evaluation unit accurately detects the welding quality, and the defective product judgment and rejection unit performs efficient operation. The data recording and counting unit assists in quality control, the target analysis unit can formulate targets for different workpieces, the path generation and optimization unit improves the efficiency and quality, the dynamic adjustment unit responds to changes in time, the storage calling and display unit facilitates management and monitoring, and the teaching-free aspect has the remarkable advantages, and all the units achieve autonomous learning and intelligent adjustment.

The utility model relates to an inter-roller speed difference adjusting mechanism, and belongs to the technical field of battery manufacturing. The utility model provides an inter-roller speed difference adjusting mechanism which comprises a first roller assembly, a second roller assembly, a third roller assembly and a fourth roller assembly. The second roller assembly comprises a second motor, a second passing roller, a second transmission wheel and a speed reducer, the speed reducer comprises an input shaft and an output shaft, the second motor is used for driving the input shaft to rotate, and the output shaft and the second passing roller are in transmission connection and synchronously rotate; wherein the first motor is in transmission connection with the first transmission wheel and the second transmission wheel through transmission parts, and the second motor is configured to output the rotating speed based on the preset speed difference ratio between the first passing roller and the second passing roller and the rotating speed of the second transmission wheel. According to the speed difference adjusting mechanism between the rollers, the tension fluctuation amplitude in the material belt conveying process can be reduced, and therefore the undesirable phenomenon that the material belt is damaged due to tension fluctuation is relieved.

The invention discloses a QMS-based building construction quality management system, method, equipment and medium, and the system comprises a project information management module, a quality standard setting module, a construction process monitoring module, a quality detection and evaluation module, a problem rectification and tracking module, a data analysis and decision support module and a system interface module which have corresponding functions and performance indexes. For example, the information storage integrity is more than 98%, the quality standard setting accuracy is more than 95%, an innovative formula is used for quality evaluation, and equipment and media have clear requirements, so that efficient and accurate building construction quality management is realized; the system improves the building construction quality management efficiency and precision, guarantees that the quality reaches the standard, reduces the risk, improves the benefits, promotes the quality improvement and technical progress of the building industry through the functions of precise evaluation, efficient rectification, intelligent decision making and the like, and has a remarkable application value.

The invention discloses an agricultural product component content analysis method and system based on multispectral imaging, and relates to the technical field of agricultural product component content detection.The agricultural product component content analysis method comprises the following steps that component content characteristic data of an agricultural product is extracted; obtaining an agricultural product component content change trend in a future time period based on the content prediction model; judging whether the quality of the agricultural product meets requirements; and identifying the agricultural product component content related to the target index. Through the established component content prediction model, the component content change trend of the agricultural product in a period of time in the future can be predicted, so that prediction of nutrition loss or quality change of the agricultural product can be facilitated, and whether the quality of the agricultural product meets requirements can be accurately evaluated based on the component content change trend; the agricultural products can be sold and eaten in an optimal state, so that the quality standard of the whole agricultural products can be improved.

The invention discloses a composite MLA detection method and device for an LED array, the LED array comprises a microlens array, the microlens array comprises a plurality of sub-lenses arranged in an array, and the detection method comprises the steps: obtaining a plurality of light spot images corresponding to each sub-lens; processing the light spot image to determine a consistency detection result of the sub-lens; wherein the consistency detection result comprises at least one of a PSF consistency detection result, an MTF consistency detection result and a position consistency detection result; and based on the consistency detection result of the sub-lenses, determining a composite MLA detection result of the micro-lens array. The composite MLA detection method provided by the invention can detect the sub-lens position of the MLA and the consistency of the PSF and the MTF, and is used for feeding back the production process, adjusting the product in production in time, improving the yield and reducing the quality risk.

The utility model relates to a self -cleaning formula epoxy resin adds stirring equipment and belongs to the technical field of stirring equipment, it is through the main agent and curing agent storage jar of shunt arrangement, and utilizes pumping pipeline respectively to two alternate operation's stirring jar feed, each stirring jar is after stirring and is arranged by spraying pump and optional access valve group, after production, by injecting cleaning agent to the raw material jar, can clean all material pipeline and is arranged by the external discharge port, realizes the function of efficient continuous production and convenient self -cleaning.

The invention belongs to the technical field of miniature ultrathin one-way high-junction-temperature alternating current-direct current conversion devices, and particularly relates to a miniature ultrathin one-way high-junction-temperature alternating current-direct current conversion device for an electronic product, which comprises four rectification chips forming a rectifier bridge circuit, an upper material sheet unit, a lower material sheet unit and a packaging body, the rectification chip is arranged between the upper material sheet unit and the lower material sheet unit, the upper material sheet unit and the lower material sheet unit are oppositely arranged, and the cross section of the upper material sheet unit and the cross section of the lower material sheet unit are Z-shaped; each of the upper material sheet unit and the lower material sheet unit comprises two leading-out terminals, and the lower surfaces of the leading-out terminals are coplanar with the bottom surface of the packaging body; according to the miniature ultrathin one-way high-junction-temperature alternating-current and direct-current conversion device for the electronic product, the warps are arranged on the flat bonding pad, material piece atoms are artificially created for crystal orientation arrangement, welding is more perfect in the welding process of the material pieces and the chip due to the crystal orientation effect of the two materials, the welding reject ratio is reduced, the product reliability is improved, and the product quality is improved. Cost is reduced and resources are saved.

The present invention relates to an automatic adjustment method and system for eliminating stress of steel cords, the method comprising: receiving the current torsion angle of the steel cord; calculating the torsion angle deviation based on the current torsion angle of the steel cord and the target value of the torsion angle of the steel cord; judging whether the speed that the virtual twister can reach is within the preset speed range if the virtual twister speed is adjusted based on the torsion angle deviation; in the case that the speed that the virtual twister can reach is within the preset speed range, adjusting the virtual twister speed based on the torsion angle deviation, and returning to the step of receiving the current torsion angle of the steel cord; in the case that the speed that the virtual twister can reach exceeds the preset speed range, judging whether the tension value of the tension device is within the preset tension value range if the tension value of the tension device is adjusted based on the torsion angle deviation, if yes, adjusting the tension value of the tension device based on the torsion angle deviation, and returning to the receiving step. The present invention can improve the torsion stability and torsion release stability in the startup stage, so as to reduce the steel cord bulging defect rate.

The deep foundation pit supporting structure comprises a pile plate body, a pouring gate is reserved in the bottom end of the pile plate body, the bottom edge of the pile plate body inclines upwards towards the pouring gate from outside to inside to form a concrete converging section, and the top edge of the pile plate body is consistent with the bottom line shape of the concrete converging section; the current construction method can be optimized, the secondary repairing and filling frequency is reduced, and the construction efficiency is improved.

The invention discloses a winding device for copper wire processing, and relates to the technical field of copper wire processing, the winding device comprises a workbench, a driving element is arranged above the right side of the workbench, a wire feeding wheel is arranged on the left side of the driving element, fixing frames are arranged at the left end and the right end of the workbench, and alarm mechanisms are fixedly mounted on the right sides of the fixing frames; an automatic locking mechanism is fixedly installed in the alarm mechanism, a dismounting mechanism is arranged on the right side of the bottom end of the fixing frame, after the required height of the copper wire is measured through a caliper, a second rotating shaft penetrating through the upper end of an arc-shaped clamping plate is inserted into a corresponding through hole, and when the copper wire reaches the designated height, an alarm is triggered to give an alarm; and when the winding thickness of the copper wire reaches a required value in advance, the worker is warned, meanwhile, a pulley fixedly installed below an arc-shaped clamping plate plays a role in sequentially winding, and therefore the effect that the copper wire is not wound in the winding process is achieved.

The present invention belongs to the technical field of circuit board testing and analysis, and specifically discloses a flexible printed circuit board LED testing and analysis system based on artificial intelligence, the system comprising: a test layout module, a test scene layout module, a single brightness test module, a brightness performance test analysis module, an external force mixed test module, an external force mixed test analysis module, an environmental mixed test module, an environmental mixed test analysis module, a performance analysis report generation module and a database; the present invention collects data in the test process by using a camera, thereby reducing the amount of data processing while ensuring the validity of the test results, and at the same time, by setting an external force mixed test scene and an environmental mixed test scene, solves the current deficiency of only performing test analysis through a single test scene, realizes a comprehensive analysis of external force bearing and environmental bearing, and can objectively evaluate the comprehensive performance of the flexible printed circuit board.

The utility model discloses cable twisting forming equipment, which relates to the technical field of wire twisting devices and comprises a bottom plate, the top of the bottom plate is fixedly connected with a first mounting plate, the inside of the first mounting plate is rotatably connected with a rotating rod, the outer side of the rotating rod is fixedly connected with a mounting block, and the outer side of the mounting block is rotatably connected with a disc. The cable twisting forming equipment disclosed by the utility model is relatively small in overall size, and is suitable for small workshops or environments with limited spaces. And due to the design of the limiting assembly, the wire outlet cylinder can be quickly disassembled and replaced, the downtime is reduced, and the production efficiency is improved. The tensioning force provided by the guide assembly effectively prevents the cable from loosening during movement, keeps the stability of the cable, and ensures that the cable is not loosened during the stranding process, thereby reducing the risk of the quality problem of the cable. And the displacement assembly can effectively control movement of the winding roller, it is guaranteed that the cable is smoothly conveyed during winding, the winding phenomenon is reduced, and the reliability of the equipment is remarkably improved.

The utility model discloses a device for detecting the thickness of a sheet, belongs to the technical field of measurement, and adopts an intelligent camera and a light source to convert tiny height change which is not easy to measure into amplified horizontal displacement change which is easy to measure. The non-contact measurement of the flexible or vulnerable measured material is realized, the measurement precision is ensured, and the measured material is not damaged. A conveying system is adopted for cooperation, continuous measurement can be achieved, an intelligent camera is adopted for obtaining a measurement result, data precision is guaranteed, whether the materials are qualified or not is judged according to the measurement result, qualified products are guided to be released, and defective products are removed, and the problems that in contact measurement in the prior art, due to deformation of the measured materials, measurement is inaccurate, and measurement accuracy is high are solved. The technical problem that the measured material is damaged due to the pressure during contact measurement is solved, continuous work of the conveying system can further realize continuous measurement of each product in the production process, and potential quality risks are reduced.

The invention relates to an intelligent quality inspection strategy selection method and device, equipment and a medium. The method comprises the following steps: acquiring historical data; analyzing the historical data to generate an accident analysis table; performing principal component analysis on the data in the accident analysis table to obtain main influence factors; and for the to-be-detected products of the same type as the historical data, judging the process configuration parameters of the to-be-detected products based on the main influence factors, and generating a quality inspection strategy recommendation list. According to the method, the factors influencing the product quality are comprehensively obtained through the historical data, and all related information related to the to-be-detected product is integrated into the process configuration parameters, so that the change information influencing the product quality can be grasped in time, the personalized quality inspection strategy recommendation list can be adaptively generated according to the change information, and the quality inspection efficiency is improved. A basis is provided for quality inspection personnel to objectively select a quality inspection strategy during quality inspection, and the quality risk of products is reduced.

The utility model discloses a synchronous cog belt conveying device suitable for a YB25 packaging machine soft and hardened tobacco bale, which comprises a conveying platform, a tobacco bale retaining mechanism is arranged at the upstream end of the conveying platform, synchronous cog belts are symmetrically arranged on two sides of the conveying platform, and the distance between the synchronous cog belts is equal to the length of the tobacco bale to be conveyed. The synchronous cog belt is in tensioning fit with the tensioning idler wheel, in driving fit with the driving belt wheel and meshed with the synchronous cog belt through wheel, and a cigarette shifting rotary disc is arranged at the downstream end of the conveying platform.

The utility model discloses a kind of assembled external elevator shaft;Including elevator shaft pedestal, several layer unit structures and several corridor components;Elevator shaft pedestal is arranged on the ground outside building, several layer unit structures are vertically arranged in turn, the layer unit structure in the lowermost layer is fixed with elevator shaft pedestal, and the cavity for reciprocating of elevator is formed in several layer unit structures inside;Corridor component is equipped between adjacent upper and lower group layer unit structures, and the corridor component at least includes two corridor support beams, one end of corridor support beam is detachably connected with corresponding layer unit structure, and the other end of corridor support beam is fixedly connected with building side wall.This assembled external elevator shaft uses assembled structure, and each component is installed on site, which greatly shortens construction period.Prefabricated bolt and detachable connection mode make installation process more convenient, reduce on-site construction time and labor force.It has little influence on building main body, and external elevator shaft does not occupy building internal space, which reduces the modification of building main structure.

The utility model discloses a crushing test device which is suitable for a vehicle body die casting and comprises an installation platform used for supporting and placing the vehicle body die casting; the restraining assembly is mounted on the mounting platform, and the restraining assembly is at least used for limiting the car body die casting in the X direction; the loading assembly comprises a loading piece capable of moving in the X direction, and the loading piece is suitable for being distributed right opposite to the longitudinal beam part of the vehicle body die casting in the X direction and used for applying X-direction acting force to the longitudinal beam part. The crushing test device provided by the embodiment of the utility model can apply an X-direction acting force to the vehicle body die casting, so as to test the magnitude of the acting force which can be borne by the vehicle body die casting in the X direction, thereby ensuring the quality of the vehicle body die casting, avoiding the quality problem of the vehicle body die casting during batch production and the scrapping of a large number of parts, reducing the production cost, and improving the production efficiency. The production efficiency is improved, the quality risk can be reduced, and the safety of vehicles and personnel is ensured.

The utility model discloses a crushing test device, which is suitable for a vehicle body die casting, and comprises an installation platform used for supporting and placing the vehicle body die casting; the restraining assembly is mounted on the mounting platform, and the restraining assembly is at least used for limiting the car body die casting in the Z direction; the loading assembly comprises a loading piece capable of moving in the Z direction, and the loading piece is suitable for being distributed right opposite to the shock absorption tower base portion of the automobile body die casting in the Z direction and used for applying Z-direction acting force to the shock absorption tower base portion. According to the crushing test device, the vehicle body die casting is limited and fixed through the constraint assembly of the mounting platform, and the Z-direction acting force is applied to the shock absorption tower base part of the vehicle body die casting through the loading assembly, so that the crushing test of the shock absorption tower base part can be realized, the stress capacity of the shock absorption tower base part can be investigated, the quality risk can be reduced, and the production efficiency is improved. And mass production of parts is guided.

The present invention relates to the technical field of industrial microorganisms, and in particular to a method for evaluating the freezing resistance of yeast. The present invention provides a method for evaluating the freezing resistance of yeast, which comprises the following steps: making dough containing yeast, edible oil, edible salt, a dough improver and flour, then pre-fermenting the dough and freezing it, and finally performing cyclic freezing. Compared with direct freezing, the cyclic freezing method has a more obvious decrease in the yeast activity preservation rate within the same period of time, which greatly shortens the time for evaluating the freezing resistance of yeast, and is conducive to reducing the quality risk of frozen dough that needs to be stored for a long time.