34results about How to "Eliminate waves" patented technology

The invention relates to a method for setting process parameters of a stainless steel strip steel withdrawal and straightening machine unit. The method is characterized in that a set of systemic method for setting the process parameters of a stainless steel withdrawal and straightening machine is established by utilizing finite element software to establish a simulation model and applying the stepwise regression principle to set the process parameters such as insertion depths and tension values of a 1# roller, a 2# roller and a 3# roller of a withdrawal and straightening machine, and optimization is achieved by combining application effects of actual production. By means of the method, defects of a wave plate shape and a warping plate shape easily occurring in the production of thinner stainless steel strip steel are eliminated well, theoretical guidance and technical support are provided for withdrawal and straightening of stainless steel, and quality of strip steel is greatly improved. Besides, a process parameter query and addition system interface has strong visuality so that the production is scientific and systematic, and the problem that the process parameters of work shifts are different due to personal experience factors of operators is solved. An adding system guarantees that technical personnel can add process parameters capable of enabling strip steel to obtain good plate shapes after a series of statistics according to actual conditions, so that a database can be kept updated frequently, and process parameter setting can be improved and optimized continuously. Therefore, the method for setting the process parameters of the stainless steel strip steel withdrawal and straightening machine unit has a wide application prospect.

The present invention relates to one kind of five-layer thick-core wooden floor board and its making process. The five-layer thick-core wooden floor board includes one surface wood layer, one gummed sheet layer, one core layer, one other gummed sheet layer and one back layer adhered together successively. The making process of the five-layer thick-core wooden floor board includes the following steps: making surface wood board, making core layer board, making gummed sheet, making back board, combination and pressing, splitting and balancing, and forming. The five-layer thick-core wooden floor board of the present invention has the advantages of less deformation caused by environment temperature and humidity, reduced surface wood layer thickness resulting in saving in high quality wood, and raised adhesion strength and high stability.

The present invention relates to a submarine landslide physical model test device and working method, comprising: a model box: a wave-making mechanism and a wave-dissipating mechanism are respectively arranged at both ends of the model box; The slide rail is slidingly connected with the wave-making box, the wave-making box is connected with the wave-making driving mechanism, and the side wall of the wave-making box on the side where the wave-dissipating mechanism is located is set at an acute angle with the horizontal plane; the wave-dissipating mechanism: includes at least one The wave-dissipating drum, the wave-dissipating drum is connected with the wave-dissipating driving mechanism; the monitoring mechanism: including multiple fiber grating sensors embedded in similar materials, multiple fiber grating sensors are connected in series with optical fibers, and the optical fibers are connected with the optical fiber regulator. The experimental device invented is of great significance to the study of submarine landslides.

The invention relates to a product closed end bending, chamfering and angle shoveling die. The product closed end bending, chamfering and angle shoveling die comprises an upper die assembly and a lower die assembly which vertically correspond to each other. A compressing mechanism, an end bending mechanism and a side beating mechanism are arranged between the upper die module and the lower die module. The compressing mechanism comprises a drive male die, a side pressing male die, a side pressing plate, a sliding plate, a first upper wedge and a first lower wedge. The end bending mechanism comprises a side bending female die, an angle bending female die, a wrap angle female die, a second upper wedge and a third upper wedge. The side beating mechanism comprises a side beating wedge and a side beating drive block. The product closed end bending, chamfering and angle shoveling die has the beneficial effects that the angle bending female die moves in the direction of 45 degrees, surplus materials flow inwards, and the phenomenon that the U-shaped circular bead end is convexly bent outwards is completely avoided; a gap stepless variable structure is arranged, after end bending is carried out, a gap between a first flush surface and a second flush surface is equal to one time of material thickness, and the wave phenomenon is avoided; and the longitudinal motion of the drive male die is converted into the lateral motion of the side pressing male die, top damage is effectively avoided, and die removing is more convenient.

A belt unfolding mechanism comprises a rolling part and a loading part, wherein the rolling part is provided with a lower compression roller and an upper compression roller which are axially parallel and raidally correspond to each other, and the lower compression roller and the upper compression roller respectively act on the front side and the back side of a belt; the loading part is provided with a torsion shaft which drives the upper compression roller of the rolling part and provides torque for the upper compression roller to press the belt; and the torsion shaft is basically parallel to the compression rollers. The rolling part comprises a base and a compression roller support, wherein the base is positioned on the back side of the belt, and the lower compression roller is installed on the base; and the compression roller support is connected to the torsion shaft of the loading part, is arranged on the front side of the belt, is provided with the upper compression roller and is used for converting the torque which is transferred by the torsion shaft into compression force which is from the upper compression roller and acts on the front side of the belt. The loading part comprises a loading swing arm and an extension spring, wherein the root part of the loading swing arm is fixed on one end of the torsion shaft; and the extension spring provides the torque for the torsion shaft. The upper compression roller provides the compression force, so that a pole piece can be unfolded; the waves on the edge of the pole piece are eliminated, so that a pole piece edge position which is detected by an inductor is accurate; and thus, the correction detection accuracy is improved, and the belt running accuracy is increased.

The invention discloses an atomizing cup head and an electrostatic rotary cup, belonging to the field of painting. The atomizing cup head includes: a cup body and a distribution plate; the distribution plate is arranged in the cup body, and a liquid filling chamber is formed between the lower surface of the distribution plate and the inner wall of the cup body; the bottom of the cup body has a first Liquid channel, the center of the distribution plate has a second liquid channel that communicates with the liquid filling cavity; there is a gap between the distribution plate and the inner wall of the cup, so that when the cup rotates and the liquid enters the liquid filling cavity, a part of the liquid rises through the gap to the edge of the cup body, another part of the liquid flows through the upper surface of the distribution plate through the second liquid channel and rises to the edge of the cup body; the edge of the cup body has fine teeth, which are used to cut the liquid; rotate The curve forming the inner wall of the cup is an inverse trigonometric cosine function curve: y=arccosx, wherein, y is the height of the cup, and x is the width of the cup. The invention improves the spraying effect and quality.

The invention relates to the technical field of automobile cover molding, and discloses a flanging process and a pre-flange device, wherein the flanging process includes dividing the tail light area of ​​the side wall outer panel into two parts; putting the side wall outer panel into the pre-flange In the device, the pre-flange device is used to stamp and pre-flange the taillight area of ​​the side wall outer panel which is divided into two parts, so that the tail light area of ​​the side wall outer panel forms a pre-flange structure bent to the inner side; the side wall outer panel The board is taken out from the pre-flange device and put into the flange device; the side wall outer panel is punched and flanged by using the flange device to obtain a side wall outer panel with a flange structure. Through the above method, the flanging process can reduce the material tendency of the side wall outer panel from the outer side, and help eliminate waves and dark pits on the outer side of the side wall outer panel in the tail light area.

The invention discloses an iron core winding core die for a transformer with a wound stereoscopic triangular iron core. The iron core winding core die comprises a body, iron bars separable from the body are arranged on two sides of the body, and a group of windows used for binding core limbs is arranged at the joint of the inner side of the iron bars and the body. The upper and lower end faces of the body are provided with radian. Iron chips wound by the core die are compact and non-wavy, and the iron core winding core die in combined structure facilitates binding and shaping of the core limbs after annealing, and iron core quality is greatly improved.

The present disclosure discloses a harbor facility (10) for storing, loading and unloading oil and gas products at sea, comprising a plurality of units (11, 11') arranged alternately on the seabed to form the harbor facility. The units (11, 11') are independently positioned at a given distance from the lateral direction and have front surfaces along which the vessel can be moored, thereby forming part of the wave channel, and configured to attenuate incoming waves while Allow waves and currents from other parts to pass through the harbor facility. The lateral distance between two adjacent units (11, 11') is controlled by the frequency of the waves to be damped and the waves allowed to pass between the units (11, 11'). In a transverse direction away from the incoming wave, the front surface of one of the units (11, 11') is offset by a distance relative to two adjacent front surfaces and / or the unit is configured to Increase or decrease the channel width between two adjacent units in the direction of motion.

The invention discloses a translucent screen, wherein, a screen base of the screen takes the structure of a plurality of layers or two layers and the layers of the screen base adhere to each other by adhesive materials. Because the concave and the convex formed by curliness of the screen for a long term can be stretched to be straight under the action of gravity after the screen is hung and unfolded and the local deformation of any screen base layer can be constrained by other layers, the breadth for fluctuation of the screen can be greatly reduced and then V-shaped waves are difficult to occur in the screen of the technical proposal, thereby the problem of smoothness of the translucent screen is well solved.

The invention relates to an online closed-loop control method for the flatness of hot continuous rolling strips, belonging to the technical field of electric automation control. The method executes the following steps: 1) When the strip arrives at the entrance of the finishing mill, the corresponding value is received; 2) Each frame is closed-loop controlled with the set value of bending force and speed to thread the strip; 3) The final machine is turned off 4) Calculate the time T; 5) Send the feedback value to the automatic control system; 6) According to the feedback value of strip flatness, flatness target value, flatness and bending force The conversion coefficient is used to calculate the size of the bending force of the end frame that needs to be adjusted; 7) The time T is the cycle to continuously read the feedback value, and the calculated adjustment value is used for accumulative control; 8) When the end frame throws steel, the end frame The calculation of the adjustment value of the bending force is completed, and the accumulated value is cleared. The method realizes the closed-loop adjustment of the bending force of the final frame according to the deviation of the flatness of the strip, greatly improves the control precision of the flatness of the strip, and improves the product quality.

The invention relates to a water-body microalgae enriching method and device, especially a wave-canceling multilayer microalgae enriching method and device, limiting water body for collecting microalgae in a algae collecting tank with baffle plates on two sides, residues blocking net at the front end and a notch at the back end, installing annular inflective, layered and flexible tape in the tank, driving by electric motor to move each layer of microalgae nearby the baffle plates for enriching, and then pumping away the microalgae. The invention has simple device structure, high alage obtaining efficiency, and low energy consumption and is not affected by wind and wave as working in a large-scale natural water body.