6results about How to "Precise adjustment and control" patented technology

The application relates to a reverse deformation tool and a reverse deformation method for welding a new energy battery pack beam, which comprises a bottom plate, a backrest for positioning one end of the beam in the length direction, a positioning module for positioning a reinforcing block, a fixed pressing module for fixing two ends of the beam in the length direction, a reverse deformation adjustment module for reverse deformation adjustment of a welding position of the beam and the reinforcing block, and an auxiliary adjustment module for reverse deformation adjustment of the middle part of the beam in the length direction. The application solves the correction work after the previous welding deformation, saves a large amount of labor, eliminates the labor cost of the shaping process, reduces the situation that the workpiece is scratched after deformation and correction, avoids customer complaints, removes the correction process, eliminates the noise of workshop correction, solves the industrial production problem, can realize in-line assembly line production, and solves the situation that the frame assembly quality is unqualified due to the deformation of the bent, twisted and processed internal stress of the profile itself.

The application relates to the technical field of PCB (Printed Circuit Board) film pasting control, in particular to a kind of automatic film pasting device of PCB and its film pasting control method, the method comprises the following steps: obtaining the temperature of PCB surface film pasting and the temperature and humidity of film pasting environment in the film pasting process; analyzing the singular value characteristics of PCB surface film pasting temperature to obtain singular distribution characteristic value, and then obtaining the cooperative interference influence degree of each collection time; obtaining the response adjustment strength through the change trend of cooperative interference influence degree, combining the abnormal situation of PCB surface film pasting temperature at each position, and the heating temperature of the heater in the hot-press film pasting machine, obtaining the response heating temperature of the heater in the hot-press film pasting machine at each collection time, and combining the PID controller to regulate the heating temperature of the heater in the hot-press film pasting machine. The application can improve the film pasting quality of PCB surface.

The application relates to the technical field of trimanganese tetraoxide preparation, in particular to a trimanganese tetraoxide preparation method taking recovered manganese liquid as raw material, which comprises the following steps: in the process of preparing trimanganese tetraoxide by adopting a manganese salt primary oxidation method and taking recovered manganese liquid as raw material in a reaction kettle, the possibility of particle agglomeration caused by uneven mixing of solutes in a reaction solution is evaluated; the significance of the particle agglomeration phenomenon is measured; the stirring speed of the reaction solution in the reaction kettle is adjusted in real time; after reaction, trimanganese tetraoxide suspension sediment is obtained, then the trimanganese tetraoxide suspension sediment is washed, dried and packaged to obtain a trimanganese tetraoxide product. The application aims to accurately measure the significant degree of particle agglomeration when solutes are unevenly mixed, so as to control and adjust the stirring speed in the process of preparing trimanganese tetraoxide, and improve the preparation quality of the trimanganese tetraoxide product.

The application relates to the technical field of silver-coated nickel powder preparation, in particular to silver-coated nickel powder with compact silver layer and a preparation method, which comprises the following steps: adding nano silver ions, sodium dodecyl benzene sulfonate, deionized water and ethanol into a reaction kettle and stirring, then adding nickel powder after acid washing and sodium potassium tartrate and stirring, adding sodium hydroxide in the stirring process to obtain a nickel powder reduction liquid; adding silver nitrate and diethylene triamine into deionized water, uniformly stirring to obtain a silver source solution, heating the nickel powder reduction liquid in the reaction kettle, dropping the silver source solution into the nickel powder reduction liquid for chemical reaction, obtaining local reaction intensity and reaction consistency of each temperature measuring point in the reaction process, then obtaining reaction abnormality to obtain an expected reaction temperature, and cleaning to obtain wet powder of the silver-coated nickel powder after the reaction is completed, and the silver-coated nickel powder body with compact silver layer is prepared through drying. The application can improve the adjustment precision of the silver coating reaction temperature and guarantee the preparation quality of the silver-coated nickel powder body.

The utility model discloses a bidirectional adjustable rigid supporting assembly of a generator, which relates to the field of generator supporting, and is characterized by comprising a lower supporting plate, a fixed plate, a movable plate, a vertical adjusting screw rod, a horizontal adjusting screw rod and a stop block. The problem of fatigue damage of the elastic support caused by large deviation between theoretical load and actual operation load in a severe environment is avoided, the service life is prolonged, the operation and maintenance cost is reduced, meanwhile, by means of cooperative operation of the vertical adjusting screw rod and the horizontal adjusting screw rod, the defect that the elastic support is difficult to realize accurate bidirectional adjustment is overcome, and the working efficiency is improved. Installation errors can be effectively compensated, position deviation in operation can be effectively coped, the problem of position deviation caused by deformation of an elastic element is solved, the matching precision of the generator and related parts is ensured, and extra mechanical loss is reduced.

This utility model discloses a neodymium iron boron magnet cutting device for easy fixation, including a sliding plate and a fixing assembly placed on the upper surface of the sliding plate. The fixing assembly includes an L-shaped plate, a support plate, a workpiece tray, a snap-fit ​​plate, and a connecting plate. The support plate is fixedly connected to the upper surface of the sliding plate, and the L-shaped plate is fixedly connected to the upper edge of the support plate. The connecting plate is fixedly connected to one end of the support plate. A fixing groove is provided on the connecting plate, and the snap-fit ​​plate is snapped into place through this groove. The workpiece tray is snapped into place between the snap-fit ​​plate and the L-shaped plate. The upper surface of the workpiece tray is cleaned to remove oil, dust, and other impurities, ensuring a flat and clean surface to provide a good foundation for placing the magnet workpiece. After cleaning, composite adhesive is evenly applied to the upper surface of the workpiece tray. The neodymium iron boron magnet workpieces are then placed tightly on the workpiece tray according to the design requirements. The composite adhesive is used to bond the magnet workpieces together, forming a tightly arranged array of magnet workpieces.