76results about How to "Reduce loss cost" patented technology

The invention discloses a high-performance cast cold roll evaluation method based on stress of a working layer and a bonding layer, and belongs to the technical field of metallurgical mechanical equipment design and life evaluation, and the method comprises the following steps: calculating the maximum contact pressure between a working roll and a supporting roll and the flattening width of a contact surface; further determining the maximum shear stress in the working roll and the depth position corresponding to the shear stress; according to radius changes of the working roller in different wear stages, the maximum contact pressure and the contact surface flattening width in different wear stages are calculated for multiple times, and then normal stress at the position of a bonding layer in each stage and shear stress derived from the normal stress are calculated; performing simulation verification on calculation data based on a stress field of finite element simulation; comparing the shear stress of the bonding layer obtained after calculation with the total stress level after the residual stress is considered, and the allowable shear stress of the same material; and the risk is judged. The service life of the roller can be prolonged, and the equipment loss cost of cold-rolled strip steel production is reduced.

A tool for mounting and dismounting a lower bushing of an epitaxial device, comprising: a main frame, a plurality of telescopic members and a plurality of linkage members; the main frame has a first support part and a second support part oppositely arranged along a first direction, and has a limiting space between the first support part and the second support part for limiting the lower bushing; the plurality of telescopic members are arranged at intervals around the second support part along the first direction, and each telescopic member can be telescoped along a different second direction, the first direction being perpendicular to the second direction; one end of each linkage member is connected with one telescopic member, and the other end is slidingly connected with the main frame; the first support part is provided with a connecting part for connecting with an external lifting device. The present application can avoid the lower bushing from shaking during the mounting process, ensure that the lower bushing in the limiting space always maintains a stable posture during the mounting process, reduce the risk of jam caused by horizontal deviation from the root, improve the mounting stability, and reduce the probability of the lower bushing being broken.

The application discloses a heat-resistant tool for fixing a thermocouple and a temperature measuring method of a shaft furnace. The heat-resistant tool comprises a fixing assembly and prefabricated cement blocks. The fixing assembly comprises a base, a supporting column and a locking structure. The locking structure is fixed above the base through the supporting column. Two prefabricated cement blocks capable of being buckled into a column are fixed in the locking structure. The temperature measuring method of the shaft furnace comprises the following steps: hoisting and feeding the temperature measuring tool and the fixing assembly into the shaft furnace after fixing; fixing the thermocouple by using the locking structure; measuring the temperature; pulling out the thermocouple under high temperature; hoisting out the fixing assembly and the broken prefabricated cement blocks of the heat-resistant tool together with the temperature measuring tool to complete the temperature measurement. The heat-resistant tool for fixing the thermocouple has the advantages of simple structure, convenient operation and reusable fixing assembly. After the temperature measurement is completed, the thermocouple can be directly pulled out under high temperature, and the thermocouple will not be damaged when being pulled out, thereby saving the cooling time and improving the work efficiency.

The application discloses a method for optimizing process parameters of metal type nuclear fuel preparation process, collecting and arranging metal type nuclear fuel preparation process parameters and performance parameters, post-preparation performance parameters and microstructure metallographic pictures; establishing a metal type nuclear fuel solidification phase field model according to a solidification thermodynamic path under different process parameters; solving the metal type nuclear fuel solidification phase field model by using a Fourier spectrum method to obtain a phase field variable numerical solution; post-processing and visualizing the phase field variable numerical solution to generate a microstructure distribution map of the metal type nuclear fuel after solidification, and comparing and verifying the phase field model with the metal type nuclear fuel microstructure metallographic picture; calculating the post-solidification performance parameters of the metal fuel based on the microstructure distribution of the metal type nuclear fuel after solidification; taking the preparation process parameters as input and the performance parameters as output, constructing a nonlinear mapping proxy model between the metal type nuclear fuel preparation process parameters and the performance parameters; and solving the optimal preparation process parameters by using the nonlinear mapping proxy model given the target performance parameters of the metal type nuclear fuel.

This invention relates to the field of hydrogen production technology through water electrolysis, and provides a low-energy-consumption constant-temperature water supply system for ultrapure water electrolysis hydrogen production. The system includes a PEM electrolyzer, an ultrapure water supply unit, a circulating water supply loop, a local purification and bypass unit, a data acquisition module, a data analysis module, an energy consumption determination module, and an energy consumption control module. The data analysis module determines the heat load matching parameters based on current, voltage, circulating flow rate, and inlet and outlet water temperatures, and determines the water quality characterization state and flow characterization state. The energy consumption determination module first determines whether the temperature rise represents the actual heat load. Under non-actual heat load conditions, the energy consumption control module determines the cause of abnormal energy consumption based on water quality and flow state, and performs pump reduction and cooling, short-term flow correction, local purification, or current density reduction control to reduce the additional energy consumption of the constant-temperature water supply.

The invention belongs to the technical field of titanium anode material preparation, and particularly relates to a device facilitating titanium wire anode acid pickling and brushing and a treatment process. Through the design of the winding screw rod array, the titanium wires are kept dispersed without contact in a winding state, the problems of incomplete acid pickling, material accumulation during brushing or incomplete brushing and the like caused by mutual contact of the titanium wires in a traditional process are thoroughly solved, the product quality of the titanium wire anode is effectively improved, and the service life of the titanium wire anode is effectively prolonged. The titanium wire adopts the layout design of longitudinal winding, the longitudinal space is fully utilized, the problem that the transverse space occupation is too large due to the slender and bending characteristics of the titanium wire is avoided, the transverse space of a production site is greatly saved, and the space utilization rate is improved. Furthermore, the surfaces of the base and the winding screw rod are coated with ruthenium-titanium oxide coatings, so that the corrosion effect in the pickling process can be resisted, the service life of the device is prolonged, the equipment replacement frequency is reduced, and the material loss and the production cost are reduced.

The invention discloses a retail cabinet replenishment analysis method and system based on a multi-dimensional decision matrix, and the method comprises the steps: collecting the place characteristics of a retail cabinet, the user characteristics of a service object, and local urban hot commodity data, and constructing a multi-dimensional decision matrix; completing commodity compliance screening and recommendation based on the multi-dimensional decision matrix, and determining a candidate commodity set of a retail cabinet adapted to the current scene and the user demand; the shelf display positions of the candidate commodities are adjusted through a dynamic distribution rule in combination with the sales performance and attribute characteristics of the candidate commodities; according to the historical sales frequency of the commodities, commodity categories are divided by adopting a dynamic classification algorithm, and differential replenishment cycles are formulated for different categories of commodities; and predicting a commodity replenishment demand by using the sales prediction model, and planning an optimal delivery path in combination with a path optimization algorithm. The problems that due to static display of a traditional retail cabinet, the space utilization rate is low, stock-out or overstock is caused by rigid replenishment cycle, logistics distribution resources are wasted, and compliance management response is lagged are solved.

An elongated shaft part protection and material receiving device, including a fixed bottom plate, a main support, a material receiving chute and a cylinder, the fixed bottom plate is installed with the main support, and the cylinder is fixedly installed on the main support, the material receiving chute is fixed on the side of the main support, the top of the main support is provided with a linear guide rail and a cylinder support plate, a pusher is arranged on the linear guide rail, and the push rod of the cylinder drives the pusher to slide along the linear guide rail, a Z-shaped slider is arranged on the pusher, the Z-shaped slider includes a first adjusting structure and a horizontally sliding second adjusting structure, and a dovetail slider is arranged on the second adjusting structure. The elongated shaft part protection and material receiving device relates to an elongated shaft part protection and material receiving device, which is provided with a pneumatic auxiliary device and adopts an adjustable slider combination, the angle and height of the received material can be adjusted, the device can be reasonably matched with different processing equipment, thereby improving the universality, reducing the risk of product collision, improving the yield of the product and reducing the loss cost.

This invention relates to the field of PCB manufacturing technology, specifically disclosing a PCB drilling method based on differentiated processing of the same hole diameter. The method includes the following steps: acquiring hole position information and integrating measured data from the board surface for condition prediction; assigning virtual tool diameter codes to different hole positions according to the evaluation results and coordinating manufacturability for high-risk hole positions; using codes to drive two-layer parameter decision-making, generating Pareto optimal parameters through multi-objective optimization; during processing, decoupling thermo-mechanical-vibration interaction errors in real time through a multi-source sensor fusion model and generating multi-dimensional compensation instructions; and finally, achieving self-learning directional fine-tuning and iterative closed-loop of processing parameters through the linkage analysis of online hole wall quality assessment and tool life prediction. This invention achieves comprehensive intelligent processing from inter-hole differentiated parameter matching to dynamic precision feedback control within the hole, significantly improving hole wall quality and processing efficiency while effectively reducing overall processing costs, and has good industrial promotion value.

The invention discloses a hairtail body surface silver film fresh-keeping spraying machine and belongs to the technical field of aquatic product treatment.The spraying machine comprises a spraying plate, a spraying assembly is arranged above the spraying plate, the spraying plate is obliquely arranged, a filtering assembly is arranged below the spraying plate, the filtering assembly comprises a collecting box with an opening in the upper portion, and a filtering box is arranged below the collecting box; an outlet of the collecting box is connected with a feeding pipe on the filtering box through a first conveying pipe, one end of the feeding pipe is arranged in the filtering box, the other end of the feeding pipe is arranged outside the filtering box, an inner barrel with filtering holes is arranged in the filtering box, an outlet of the feeding pipe is located on the inner side of the inner barrel, and a driving motor connected with the inner barrel is arranged outside the filtering box. The spraying machine can adapt to the slender body shape of the hairtail, lossless protection of a silver film is achieved, the preservative is evenly sprayed at low cost, and the fresh keeping processing cost of the hairtail is reduced.

The cleaning apparatus according to one embodiment of the present invention may comprise: an image capturing unit that captures an image of a surface of a flat substrate including a wafer or a mask; a laser unit configured to irradiate a laser beam to a target position when the target position to which a foreign object is attached is confirmed by the imaging unit; a cleaning unit that sprays a gas toward the target position and a peripheral portion thereof; and a suction unit that sucks in the suspended matter generated by the laser unit and / or the cleaning unit.

The utility model provides a kind of branch sectioning machine, including frame, the top of frame is equipped with machine cover, the knife shaft is rotatably connected in the machine cover, the front end of the knife shaft is equipped with assembly disc, the periphery of the assembly disc is detachably equipped with three blades, the front side of the machine cover is equipped with inlet, the bottom of the inlet is fixed with gasket matched with blade, the bottom of the machine cover is butt-jointed with discharge channel. The sectioning machine only needs to send branch manually to complete automatic sectioning process, branch sectioning is uniform, efficient, and saves labor cost.

The utility model provides a cleaning system which is used for reducing energy loss and comprises a spraying device used for spraying hot cleaning liquid to a workpiece to clean the workpiece and discharging hot waste liquid after spraying; the drying device is arranged adjacent to the spraying device, and the drying device is used for blowing hot dry air to the workpieces to dry the cleaned workpieces and discharging the dried hot wet air; the heat exchange device comprises a first heat exchange part, a filtering part, a second heat exchange part and a condensation part, the first heat exchange part is connected with the spraying device and the drying device, the filtering part is connected with the first heat exchange part, and the second heat exchange part is connected with the filtering part, the spraying device and the drying device; the condensation part is connected with the second heat exchange part and the first heat exchange part.