40results about How to "Improve one-shot molding rate" patented technology

The invention discloses a double-rotating-shaft 3D printing platform capable of completing printing of the lateral side parts of components. According to the double-rotating-shaft 3D printing platform, by means of two stepping motors, a working table can be driven to rotate around the vertical axis of the working table itself and can pitch and incline up and down around the horizontal central axis of the platform during rotation; and on the other hand, the 3D printing platform is driven by a ball screw to rise and fall along the Z axis, and therefore precise and complete printing of the lateral side parts of the printed parts is achieved. The double-rotating-shaft 3D printing platform is simple in structure, reasonable in design and convenient to control, no supporting materials need to be added during printing, the pretreatment and aftertreatment procedures required by conventional printers are reduced, the quality of printed pieces is improved, and the application field of printers of the type is expanded.

The invention discloses a graphical script editor and a method for fast developing a communication equipment testing script, and relates to the field of graphical interface development. The graphical script editor comprises a function information document library forming unit, an automatic function loading unit, a function tree generating unit, a tree structure display unit, a function assignment unit, an individual graphical interface display unit and a script development unit. In the whole compiling process of the communication equipment testing script, developers only need to complete input of communication equipment testing script parameters according to the prompt of a graphical interface, and do not need to know compiling grammar or the writing format, and error-free development of the communication equipment testing script can be completed. Through a large number of tests, it is proved that the graphical script editor can effectively improve the development efficiency of the communication equipment testing script.

The invention discloses an integrally-formed drainage ditch, which comprises a drainage ditch body, a shaped digging bucket, a shaped slope scraper, sliding mold rails, a shaped side mold and a bottomscraping cross beam frame, wherein the sliding mold rails are assembled on two sides of the drainage ditch body; the shaped side mold is arranged in the drainage ditch body; the bottom scraping crossbeam frame is arranged at the bottom of the drainage ditch body; the shaped side mold can be fixedly arranged on the bottom scraping cross beam frame; the bottom scraping cross beam frame is connected with a sliding cross beam gantry and is dragged and slid by the sliding cross beam gantry; and the shaped side mold is connected with a side mold gantry and is dragged and slid by the side mold gantry. The drainage ditch simplifies the construction steps, saves the construction time, reduces the construction cost, is easy to excavate and form, has low operation difficulty, so that the safety inthe construction process can be effectively ensured; and the drainage ditch has beautiful appearance and good quality. The second object of the invention is the construction method of the integrally-formed drainage ditch, the method is applied to the integrally-formed drainage ditch, and further has the advantages of high safety, high convenience and the like.

The embodiment of the invention disclose a cooling device for casting an aluminum-lithium alloy slab ingot and an application method thereof, which are used for improving the uniformity of the water yield of a cooling water jacket during casting. The cooling device in the embodiment of the invention comprises a cooling water jacket body, a cooling water jacket water sealing plate and a cooling water jacket water balancing plate, wherein the cooling water jacket body comprises pairwise large-area cavities and pairwise small-area cavities; the bottom of the cavity of the cooling water jacket body is sealed by using the cooling water jacket water sealing plate; the cooling water jacket water balancing plate is arranged between the outer side face and the inner side face of the cavity of the cooling water jacket body; the cooling water jacket water balancing plate is used for averagely isolating cooling water in the water cooling jacket body into two parts; and the primary cooling water outlet and the secondary cooling water outlet of the cooling water jacket body are positioned on the cooling water jacket body.

The invention provides a method, a system, a terminal and a medium for generating a ship calibration pipe model based on laser scanning. The invention utilizes laser scanning to measure accurately andimproves measurement accuracy and efficiency. The present calibration tube is created based on the on-site physical model, and the primary forming rate of the present calibration tube is high, and the waste reflection rate is reduced; the connectors at the end of the pipe section are clear, the flange angle can be defined accurately by the current calibration pipe, and the pipe section can be installed directly on the berth after the design and processing is completed, which greatly simplifies the design and production process of the current calibration pipe and shortens the construction period. One measurement can create multiple calibration tube, greatly improve the efficiency of the design of the current calibration tube; the present calibration tube is modeled with reference to the real object background model, avoiding collision interference, improving the design accuracy and ensuring the manufacturability of the model; Incorporating the current school management into the designdata management system to manage it.

The invention relates to a full-automatic seam buckling device. The full-automatic seam buckling device comprises an upper mold mechanism, a lower mold mechanism, a left push mechanism, a right push mechanism, core molds and a control system. An upper mold of the upper mold mechanism and a lower mold of the lower mold mechanism are oppositely arranged and driven by corresponding hydraulic cylinders to bend edges of a workpiece. The left push mechanism and the right push mechanism are oppositely arranged on the two sides of a mold combining position and driven by the corresponding hydraulic cylinders to bend the edges of the workpiece again. The upper mold and the lower mold are each of a split structure, and the shape of the split position of the upper mold and the lower mold is matched with the shape of the core molds arranged in the upper mold and the lower mold. The shape of the core molds is matched with the shape of the workpiece. The upper mold mechanism, the lower mold mechanism, the left push mechanism and the right push mechanism can be controlled by the control system to achieve sequential actions. According to the full-automatic seam buckling device, seam buckling machining can be achieved on longitudinal closed seams of a special-shaped sheet metal part, and machining of workpieces in different shapes can be finished after the core molds are replaced; and the automation degree of the full-automatic seam buckling device is high, the appearance quality of a finished product is good, the one-time molding rate is high, the machining efficiency can be greatly improved, and the machining cost is reduced.

The invention belongs to the technical field of metallurgical equipment, in particular to a tool-die steel plate straightening machine. A classic three-beam four-column prestress rack is used, and a roller system with four rollers at the top and five rollers at the bottom is arranged. Opening degrees of the four straightening rollers at the top can all be adjusted independently, all the top straightening rollers are provided with independent support rollers, and each top straightening roller and the corresponding support roller form an independent compound roller system to perform adjustment. Hydraulic load cylinders are arranged above an upper beam, a movable beam can be lifted rapidly while overload protection is achieved, and accordingly maintenance can be performed conveniently. According to the tool-die steel plate straightening machine, because the opening degrees of all the top straightening rollers can be adjusted independently, the opening degrees can be adjusted flexibly from small to large according to original bends, thickness, width and materials of plates, the rolling reduction of the top straightening rollers is changed from large to small, straightening accuracy is improved, and meanwhile the one-step forming rate of the plates is greatly improved.

The invention discloses a prewelding method of thin-wall longitudinal submerged-arc welded (LSAW) pipes with a small bore diameter, and relates to the technical field of steel products welding. The prewelding method lies in that prewelding is carried out by adopting CO2 and Ar mixed gas protective automatic welding, and further comprises the following steps: firstly, determining welding technological parameters, determining the diameter of a welding wire as 2.0 mm and the welding speed as 1.8-2.9 m/min, and determining the proportion and flow of mixed gas, then carrying out preparation before welding, preparing a groove, determining the grade of the welding wire and the welding parameters. During the process of producing thin-wall steel pipes with a small bore diameter, prewelding is carried out by utilizing a shielding welding wire with the diameter of 2.0 mm, welding is carried out by adopting low current, the prewelding seam is plump, the overlaps of an internal groove are greatly reduced, the occurrence probability of defects like burning through and weld misalignment is reduced, and at the same time, the prewelding failure discharge regulation times is reduced, the prewelding once-shaping ratio is increased, and the production efficiency is improved.

The invention relates to an end face tooth bell-shaped shell and a manufacturing method thereof. The method comprises the following steps that a bar stock is firstly forged to obtain a blank; surfacetreatment is carried out on the obtained blank to obtain a blank without scale on the surface; then phosphating treatment is carried out on the obtained blank without the scale on the surface to obtain a blank with a phosphating film on the surface; then saponification treatment is carried out on the obtained blank with the phosphating film on the surface, and cold extrusion is carried out to obtain a blank with a tooth shape; and finishing is carried out on the obtained blank with the tooth shape to obtain the end face tooth bell-shaped shell. According to the manufacturing method, processingprocedures such as warm forging, shot blasting, the cold extrusion, the finishing and the like are used for replacing milling procedures applied in a traditional production process, raw materials aresaved, the integral strength and rigidity of a part after forming are further guaranteed, and the one-time processing forming rate is increased.