9results about How to "Smooth surface quality" patented technology

The invention discloses a mold for manufacturing blocking explosion-suppressing balls, the mold comprises a first seat plate, a second seat plate, a fixed mold mechanism, a movable mold mechanism, an ejection mechanism, a cooling mechanism, a filling mechanism, a limiting mechanism, a reset mechanism, an exhaust mechanism and a fixing mechanism; the fixed mold mechanism and the movable mold mechanism are arranged between the first seat plate and the second seat plate, the explosion-suppressing ball space for injection molding inside is a thin-wall skeleton structure, the ejection mechanism ejects the explosion-suppressing balls, and the reset mechanism is additionally provided with a sleeve with magnetorheological fluid, so as to actively control the displacement of the movable mold and reduce the influence of vibration on the injection-molded workpiece, solve the problems of complex structure of explosion-suppressing fillers, great manufacturing difficulty, low efficiency and high replacement rate, and achieve the advantages of smooth surface quality of the produced explosion-suppressing balls, eliminating shrinkage defects, thinner wall surface, small mass, small volume and stable output.

The utility model discloses an axle suspension box steel casting for an internal combustion locomotive, which comprises an outer mold, a pouring gate mold and an outer chilling block, semi-ring molds are arranged at the left end and the right end of the outer mold, a downsprue positioning plate is arranged on the surface of the outer mold, an accessory mold is arranged on the surface of the outer mold, an inner chilling block is arranged in the accessory mold, the pouring gate mold is arc-shaped, and the pouring gate mold is attached to the outer mold. A third loam core is arranged between the pouring gate mold and the outer mold, the multiple outer chilling blocks are annularly arranged on the surface of the semi-ring mold, and through the outer mold, the pouring gate mold and the third loam core, the size and the smooth and clean surface quality of the axle suspension box can be effectively guaranteed, and the hot crack phenomenon generated when molten metal solidifies and shrinks is effectively reduced; through the direct pouring gate positioning plate and the pouring gate mold, rapid mold filling of molten metal can be guaranteed, the good feeding effect is achieved, shrinkage cavities and shrinkage porosity can be effectively prevented, the internal structure of the axle suspension box is compact, the defects of sand inclusion, air holes and the like in the axle suspension box are few, and the production quality of the axle suspension box is improved.

The application relates to the technical field of building construction, in particular to a steel formwork polishing device for building construction, which comprises a workbench; a supporting plate is fixedly connected to the top end of the outer wall of the workbench; a square plate is arranged on the inner side wall of the supporting plate; a circular plate is rotatably connected to the inner side wall of the square plate; a driving device is fixedly connected to the top end of the outer wall of the circular plate through a fixed block one; the driving device drives the rotating shaft and the polishing disc to rotate, the steel formwork is polished and cleaned, meanwhile, the rotating shaft drives gear one to rotate, gear one moves along the tooth groove of the annular rack one when rotating, the polishing disc is polished and rotates along with the circular plate, the cleaning range of the polishing disc is increased, the polishing disc can quickly clean the large-area steel formwork plane, the movement track of the polishing disc makes the steel formwork surface form irregular and multidirectional scratches, the one-way line and spiral line defects generated by the traditional single rotating direction polishing are avoided, and the uniform and smooth surface quality is obtained.

The invention discloses a gold-palladium coated ultra-soft copper composite bonding wire and a preparation method thereof. The invention eliminates the internal stress generated by melting and casting through deep cryogenic treatment, and makes the added calcium, cerium and indium to be more fully solid-dissolved with copper, and the crystal arrangement direction is consistent, so that the coarse crystals inside the material are fragmented, and the crystal arrangement direction is more consistent, and at the same time, the solid solution between copper, calcium, cerium and indium atoms is more complete, and the atoms are more tightly bound, thereby improving the performance of the metal; through deep cryogenic treatment, the coarse crystals inside the material are fragmented, and the material structure is refined, thereby increasing the toughness of the material; through deep cryogenic treatment, the residual stress inside the material is transformed, and the parts where the internal stress is concentrated inside the material produce plastic rheology, and in the subsequent rewarming process, trace stress is generated on the vacancy surface of the material, and this trace stress can reduce the damage to the inside of the material, which is finally manifested as the improvement of the mechanical properties of the material.

The utility model discloses an efficient vacuum coating device, which relates to the technical field of coating equipment and comprises a base, a vacuum bin is arranged at the top of the base, a top cover is arranged at the top of the vacuum bin, a sealing plate is arranged at the bottom of the top cover, and fixing plates are arranged on two sides of the bottom of the sealing plate. An adjusting mechanism is arranged at the bottom of the fixing plate and comprises a through hole formed in the surface of the fixing plate, a shaft sleeve is fixedly installed on the inner side of the through hole, and a rotating shaft is movably installed on the inner side of the shaft sleeve. According to the efficient vacuum coating device, through the arrangement of the adjusting mechanism, a product can be driven to rotate at a constant speed, a coating can be evenly distributed on the whole surface, the situation that the thickness of the coating is not uniform is avoided, and therefore the uniformity of the coating is improved, and the phenomenon that the coating is accumulated or detained on the surface can be effectively reduced; and more flat and smoother surface quality can be obtained.

The invention relates to the technical field of automobile brake machining and production, in particular to grinding equipment for automobile brake machining and a grinding method.The grinding equipment comprises a connecting beam, a supporting table and a grinding table are fixedly connected to the connecting beam, a supporting column is fixedly connected to the supporting table, and a first supporting frame is fixedly connected to the supporting column. The automobile brake is clamped and fixed on the supporting table through the clamping assembly, the laser parallelism instrument and the laser transmitter are started, the laser transmitter transmits a laser beam through the transmitting head, then the laser beam is divided into two beams through the beam splitter, and the two beams are projected to contact points of the disc wheel, the fine grinding wheel and the rough grinding wheel. The two light beams are reflected back to the laser transmitter to be combined to generate an interference phenomenon, whether interference fringes are generated by the interference phenomenon reflected by the laser receiving plate or not is observed, and when a parallelism error exists, a three-primary-color tube and a buzzer in the laser driving circuit can be used for reminding a worker to adjust the deviation in time. And the surface of the workpiece can be uniformly ground.

The application belongs to the field of industrial manufacturing, and discloses a path planning method of a 5-axis 3D printer, which comprises a representation method of a random shape entity, a nozzle direction constraint method on a contour, an entity filling path planning method and a sampling interpolation method. The representation method of the random shape entity extracts shape data of a CAD model of the random shape entity, decomposes the model into constituent surfaces and edges, and determines the order and parameter direction of each constituent surface. The nozzle direction constraint method on the contour adopts a side tangent direction and a transition surface normal direction, a gradually deformed transition layer and adaptive material extrusion. The entity filling path planning method selects the last deposition layer to coincide with the top surface, designs a filling layer, fuses the base and the top surface by using a surface transition concept, and generates an internal filling path. The sampling interpolation method samples and interpolates a path according to position, and converts the path into G-code to obtain a printing path. The application can eliminate step effects and internal voids, reduce non-feeding movements, and support complex structures without the need for support.

The utility model provides an assembly type stand column formwork structure. The assembly type stand column formwork structure comprises a main body mechanism and a column top plate. The main body mechanism comprises eight templates, four column angle beads are distributed on one side of each template at equal intervals, and the column top plates are arranged at the tops of the templates; reinforcing pieces are distributed on one side of the formwork at equal intervals in a sleeved mode. The formwork is suitable for common columns with the same size and wide universality, the formwork is designed and formed at a time according to the size of the common columns, overall pouring is achieved, construction is tight, errors are small, and precision is high; the formwork can be repeatedly used, is high in turnover rate, can be recycled, is low in use cost, is simple and convenient to transfer, install and reinforce, does not need a large number of cut wood formworks for splicing, effectively saves the construction period, and reduces the labor and material cost. After formwork removal, the concrete surface quality is flat and smooth, the requirements of facing and fair-faced concrete can be met, plastering is not needed, the secondary plastering cost can be saved, procedures are reduced, the construction period is effectively shortened, and the construction method can effectively shorten the construction period and simplify the construction process.

The application provides a preparation method of a high-strength steel plate composite vehicle body floor integrated battery upper cover, which comprises the following steps: preparing a PCM prepreg; pasting a PET film on the outer side of a steel plate; splicing and laminating the PCM prepreg on the inner side of the steel plate; plugging the hole positions on the steel plate by using rubber particles; placing the product on the lower die of a hot-pressing mold, and then preparing a formed product by heating and pressurizing the steel plate and the prepreg through the cooperation of the upper and lower dies of the hot-pressing mold to obtain a battery upper cover prefabricated part; demolding the battery upper cover prefabricated part, and then polishing to obtain a finished product of the vehicle body floor integrated battery upper cover. The high-strength steel plate and the PCM prepreg are first applied to realize the composite die pressing process, the product has high strength, smooth and flat surface quality, good sealing property, and realizes assembly without cracking; the production cycle is short, the operation is simple, the product qualified rate is improved, and the production cost is saved; and the vehicle body floor integration realizes the lightweight of the whole vehicle.