730results about How to "Eliminate deformation" patented technology

A process for producing an electrodeposited copper foil with its surface prepared, comprising the steps of: subjecting an electrodeposited copper foil having a shiny side and a matte side whose average surface roughness (Rz) is in the range of 2.5 to 10 mum to at least one mechanical polishing so that the average surface roughness (Rz) of the matte side becomes in the range of 1.5 to 3.0 mum; and subjecting the matte side having undergone the mechanical polishing to a selective chemical polishing so that the average surface roughness (Rz) of the matte side becomes in the range of 0.8 to 2.5 mum. The invention further provides an electrodeposited copper foil with its surface prepared, produced by the above process, and still further provides PWBs and a multilayer laminate of PWBs, produced with the use of the above electrodeposited copper foil with its surface prepared. The mechanical polishing followed by chemical polishing of the matte side enables obtaining an electrodeposited copper foil with its surface prepared, the matte side of which exhibits excellent properties, and hence enables obtaining PWBs and a multilayer PWBs which have excellent properties.

The invention discloses a rigid foamed plastic which comprises a component A, a component B and filling materials, wherein the component A comprises polyether polyols, a foam stabilizer, a catalyst, a foaming agent and a cross-linking agent; the component B comprises isocyanate; the filling materials comprise inorganic powder filling materials, plant powder filling materials and fiber filling materials. By utilizing the characteristics of the reaction molding of rigid foams, the rigid foams are bonded with the inorganic powder filling materials, the plant powder filling materials and the fiber filling materials, so that the performance of the rigid foams is enhanced by the matching combination of three types of the filling materials. Thus, the synergistic effect for improving the performance of the rigid foamed plastic is exerted. Therefore, the rigid foamed plastic is high in strength and good in dimensional stability; the problems of expansion/shrinking and deformation of the rigid foamed plastic during a storage process are solved. As a result, the holding capacity of the rigid foamed plastic to insertion components such as nails, pins and the like is improved; the manufacturing cost is lowered.

The invention relates to a water-based zinc-manganese single flow battery; a positive electrode active material is an oxide of manganese, a metal composite oxide, a metal oxide or a carbon material, a negative electrode is a zinc electrode, an electrolyte solution is a nearly neutral aqueous solution containing a zinc salt and a manganese salt, positive electrode active ions and negative electrode active ions can coexist in one electrolyte solution, and an ion exchange membrane is not required for separating the positive electrode and the negative electrode; in processes of charging and discharging, the electrolyte solution constantly flows between an electrolyte solution storage tank and an electric pile through a pipeline under pushing of a liquid pump. During charging, zinc ions are deposited onto a negative electrode current collector from the electrolyte solution, the zinc ions and manganese ions are co-embedded into the positive electrode active substance at the same time, and the manganese ions are subjected to oxidation deposition; during discharging, the negative electrode deposited zinc is dissolved into the electrolyte solution, and the positive electrode manganese oxide is partially reduced and dissolved and is extricated to the electrolyte solution with the zinc ions simultaneously. The battery has the outstanding characteristics of simple manufacture, relatively high specific energy and specific power, low cost, long cycle life, environmental friendly and the like, and is widely applied in electric power, transportation, electronics and other fields.

Splitboard boot bindings for backcountry splitboarding. Each of a pair of soft-boot bindings is provided with an integral boot binding lower that conjoins the two halves of a splitboard without the additional weight or height of an adaptor mounting plate, upper binding baseplate or “tray”, and extra fasteners of the prior art. The boot binding lower is formed as a box girder and provides improved torsional stiffness for splitboard riding. When subjected to a torque applied by the rider, the bottom mediolateral edges of the box girders are configured to contactingly engage the top face of the splitboard, thereby dynamically coupling the rider's boot sole and the board via a single rigid structure. In a preferred embodiment, the web or “spacer” members of the box girder are characterized by an aspect ratio or contour height that is varied from heel to toe.

The invention relates to a high-strength aluminum alloy slab and a manufacturing method thereof. The alloy mainly comprises the following components: less than 0.35% of Si, less than 0.45% of Fe, 1.25-1.95% of Cu, less than 0.30% of Mn, 2.25-2.85% of Mg, 0.19-0.27% of Cr, 5.2-6.0% of Zn, less than 0.2% of Ti, less than 0.04% of Zr and the balance of Al and unavoidable elements. The manufacturing method of the high-strength aluminum alloy slab is free of a rolling process and comprises the following flows: proportioning raw materials, smelting, casting a flat ingot, carrying out two-stage soaking, sawing the head and bottom of the flat ingot, carrying out fixed-length sawing and width-fixed sawing, sawing upper and lower surfaces of the flat ingot, sawing the flat ingot into the aluminum plate according to requirements, carrying out solid solution quenching, stretching and flattening and carrying out aging treatment. By the manufacturing method, the production process flows can be shortened, such problems of the slab manufactured by a hot rolling method as uneven microstructure and performance, poor flatness and uneven thickness are solved, the yield is increased, the cost of the product is decreased and the economic benefits are increased.

The invention discloses a magnetic suspension switch magnetic resistance flywheel motor and a control method. The magnetic suspension switch magnetic resistance flywheel motor comprises an inner stator, a rotor and an outer stator. The inner stator (6), the rotor (4) and the outer stator (1) are successively nested in a concentric mode, 12 torque poles (2) are arranged on the inner wall of the outer stator (1) at equal intervals, and the torque poles are wound by main windings (3); eight rotor salient poles (5) are arranged on the outer wall of the rotor (4) at equal intervals; and four suspension poles (7) are arranged on the outer wall of the inner stator (6) at equal intervals, and the suspension poles (7) are wound by suspension force windings (8). According to the invention, the problem of incapability of effectively generating suspension forces when a stator and a rotor are not aligned by use of a conventional magnetic suspension switch magnetic resistance motor is overcome, the radial force and the torque decoupling effect are good, the radial load capability is improved, the suspension force windings are individually controlled simply according to a needed radial suspension force, each main winding on the outer stator is also controlled simply according to needed electromagnetic torque, the control is easy, and a control algorithm is simpler and is more easily realized.

The invention discloses a removing device of a polaroid, which comprises a vacuum cup, a locating board and a control mechanism. The vacuum cup is used for bearing a substrate stuck with the polaroid. The vacuum cup includes a plurality of adsorption holes and at least one evacuation hole; the adsorption holes are used for sucking the lower surface of the substrate; the evacuation hole is communicated with the adsorption holes. The locating board is arranged on the vacuum cup and includes a first locating side and a second locating side; the two neighboring side walls of the substrate respectively lean against the first locating side and the second locating side. The control mechanism is connected to the evacuation hole of the vacuum cup and is used for controlling the vacuum opening or vacuum closing of the vacuum cup. When the polaroid is removed, a balancing force applied on the lower surface of the substrate can balance removing force applied on the upper surface of the substrate, thereby being capable of removing the deformation of the substrate and preventing the substrate from cracking.

The present invention relates to a carrier of a planetary gear set of an automatic transmission. In a carrier of a planetary gear set of an automatic transmission that includes a boss part having a spline in an inner surface of the center, and a flange part coupled with the boss part and supporting a pinion, there is provided a carrier of a planetary gear set of an automatic transmission that is characterized in that the portions of the boss part except for a center portion in which the spline is formed are formed in a circular plate shape, and a plurality of bridges are formed on an upper surface of the flange portion at regular intervals, and a lower surface of the boss part is blazing-coupled with an upper surface of the bridge of the flange part, and a pinion installation space is formed between the neighboring bridges.

The invention belongs to the technical field of touch control and provides a method for eliminating deformation noise in detection data of a touch detection device. The method includes the following steps of A) synchronously sampling touch detection nodes belonging to a same group and saving sample data; B) comparing each sample datum with a respective standard reference value to compute a difference value serving as a detection datum to replace the original sample datum; C) determining a deformation variable of each touch detecting node outside of the touched area according to the detection data, fitting a deformation variable of each touch detecting node within the touched area; and D) subtracting corresponding deformation variables from detection data of all touch detecting nodes to obtain detection data after deformation noise is eliminated. Firstly, the deformation variable of each touch detecting node outside of the touched area is determined according to the detection data, then deformation variable of each touch detecting node within the touched area is fitted according to the obtained deformation variable, and finally, the deformation variable of each touch detecting node is eliminated from the detection data.

The invention relates to a joint for building structures, relates to a self-centering buckling-restrained brace beam-column joint and aims to solve the problem that structural application functions of an existing self-centering buckling-restrained brace in a diagonal placement scheme may be influenced and the problem that existing steel-frame beam-column joints are mostly connected rigidly or semi-rigidly, the joint of such structure easily suffers brittle failure, and after an earthquake, dangers still exist and continual application is unavailable even after the building does not collapse. Gaps are provided among columns and beams, a plurality of column stiffening ribs are distributed on the columns, the beam stiffening ribs are distributed on the beams, two connecting plates are disposed on upper and lower flanges of one beam; each connecting plate is L shaped and is provided with a plurality of bolt holes; a vertical segment of each connecting plate is connected with a column plug through bolts; each bolt penetrate a corresponding bolt hole so as to connect the connecting plates and the girder; a self-centering buckling-restrained supporting member is correspondingly disposed on the outer side of each connecting board.

The instrumented indentation measurement system includes an indentation device, a loading mechanism, a table for the sample, an analogue-digital converter and a computer. Inside a housing of the device there is arranged a holder for a displacement sensor, rigidly connected to the housing. Slidably positioned rod passing to the displacement sensor is arranged in the holder in the axis of the indenter. A pushing segment is equipped with supports engaging with a central pressure plate arranged slidably in the housing a lower pressure plate is arranged slidably in the housing and connected with the holder of the indenter. A first resilient member, a central pressure plate and the lower pressure plate are provided with holes for passage of the rod to the holder.

An automobile test bench comprises a portal frame, at least one group of actuator, a clamp mechanism and a supporting mechanism which supports the structure of the whole test bench, the clamp mechanism is respectively connected with the actuator and the supporting mechanism and used for fixing a test article, the actuator is movably installed on the portal frame and comprises a sliding mechanism, an actuating cylinder and spherical hinges, wherein the sliding mechanism is installed on a beam of the portal frame, the spherical hinges are arranged at the upper and lower ends of the actuating cylinder, the sliding mechanism is connected with the actuating cylinder through the upper end spherical hinge, and the clamp mechanism is connected with the actuating cylinder through the lower end spherical hinge. The actuator is connected through the gapless spherical hinges, the problem of resonance vibration caused by fit clearance is eliminated, moreover, the actuating cylinder is capable of moving, convenience of the installation of the test article is increased, and working efficiency is improved.

The invention discloses cellular-structure laminated wood which is formed by arranging and gluing hexagonal battens cellularly. The invention further provides a production method of the cellular-structure laminated wood. The cellular-structure laminated wood and the production method have the advantages that wooden cores or small-diameter logs are directly planed and cut to be hexagonal, and utilization rate can reach 82%; the hexagonal battens are arranged and glued cellularly, and gluing faces are distributed in three directions in a 120-degree included angle manner, eliminating of deformation of the battens is facilitated, and stability and gluing strength of the laminated wood are improved; the hexagonal battens can be arranged cellularly and glued to be the laminated wood various in size, and can be further integrated in the length direction in a toothing connection, large-size laminated wood can be freely sawn transversely, and needs, on the laminated wood different in specification, of users are met.

The invention discloses a laser welding machine with follow-up and swaging functions, wherein a motion mechanism can drive a laser welding head to move; the laser welding head comprises a base, a welding head, a compressing wheel, a follower and a position sensing device; the welding head is positioned below the base; the compressing wheel is positioned at the lower end of the base; the circumferential outer side surface of the compressing wheel is tightly butted with a welded plate surface and rolls along the surface; the follower can rotate in the circumferential direction and can be positioned on a side wall of the welding head in a sliding manner in the vertical direction; the circumferential outer side surface of the follower is tightly in contact with the surface of the welded plate surface and rolls along the surface; the position sensing device can sense the lengthwise position of the follower and transmit to a numerical control system; the numerical control system can control the motion mechanism to drive the laser welding head to move; the plate deformation is eliminated; and the clearance between materials to be welded can be ensured; the follow-up of the laser welding head, relative to the welded plate surface can be achieved; the focus point position is kept to be constant; and the welding quality is guaranteed to be firm and stable.

There is provided a frame structure for stereoscopic imaging. First and second cameras may be mounted to the structure to respectively record first and second images which may be combined to produce a three-dimensional image. The frame structure comprises a casing sized and shaped to receive a beam splitting device therein and first and second camera supports mounted to a sidewall of the casing for respectively holding the first and second cameras. Each camera support comprises an outer frame defining an internal cavity to receive a corresponding camera therein, and attaching means which comprise at least three connecting portions contacting the casing sidewall and positioned around an opening of the casing sidewall. This configuration substantially prevents deformation of the frame structure due to bending.

The invention discloses a method for manufacturing a rigidity-flexibility combined printing circuit board. The method comprises the following steps of: laminating a rigidity-flexibility board, milling a window, electrically plating electroless plating copper, imaging, silk-screening and solder-resisting, flattening with hot air, carrying out on-off test, removing drilling dirt in holes, and laminating a coverage film by using a flexible board, wherein the steps of covering the coverage film by using the flexible layer and laminating the rigidity-flexibility board on an optical drawing machine for compensating an expansion amount; the total expansion amount is compensated to a primary imaging working substrate; and the transformation generated in a manufacturing process can be eliminated by using the compensation of the working substrate, so that the good alignment product can be obtained. The process steps are reasonable, so that the coverage film can be prevented from being damaged in a process of milling the window, and the production efficiency can be improved; an adhesive tape provided by the invention can be used for protecting the rigid board window, and the adhesive tape not only can resist erosion of an acid and alkali solution but also has high-temperature resistance and strong adaptability; and the parameter arrangement and the step of a laminating machine can be optimized by the steps of laminating the coverage film by the flexible board and laminating the rigidity-flexibility board, thus ideal product laminating quality is achieved.

The invention belongs to the technical field of lithium ion batteries and particularly relates to an anode of a lithium ion battery. The anode of the lithium ion battery comprises an anode current collector and an anode film coated on the anode current collector, and the anode film comprises anode active material, adhesive and conductive additive. The surface of the anode active material is coated with ethylene carbonate (EC), and the weight ratio of the EC and the anode active material is (0.1-30):(99.9-70). Compared with the prior art, the EC coated on the surface of the anode active material is dissolved in electrolyte after liquid injection, the space occupied by the EC in the film can be released, so that a certain space is reserved for expansion of particles of the anode active material during charging and circulating, and the problem of deformation of flexibly-packaged cell due to expansion of the active material is eliminated. Further, the invention further discloses a method for preparing the lithium ion battery, namely the lithium ion battery comprising the anode.