7results about How to "Reduced post-processing" patented technology

The invention discloses a 3D printing method with a coating supporting structure and a supporting assembly, and belongs to the technical field of additive manufacturing. According to the method, a traditional thought of printing a second structural material is abandoned, a functional coating used for reducing the binding force is innovatively arranged on the upper surface of a formed supporting structure, and then a workpiece is printed on the coating. The coating provides temporary bonding force in the printing process so as to stabilize a workpiece, and after printing, the bonding force is greatly weakened so that the support can be easily peeled off. The invention further provides a post-processing G code program for realizing the method and an integrated gluing device, and the post-processing G code program and the integrated gluing device can realize the expansion and contraction of the refill through mechanical triggering by utilizing the movement of the printer without additional driving. The support assembly is a ready-to-use component which is pre-coated with the coating. According to the method, the contradictions of poor supporting quality of a single material and high supporting cost of multiple materials are fundamentally solved, stable printing, easy removal and high interface quality are realized on the premise of not increasing the types of printing materials and not depending on multi-nozzle equipment, the cost is remarkably reduced, and the efficiency is improved.

The utility model discloses a submarine gate mechanism of a mold, which comprises a lower mold plate, supporting seats arranged on two sides of the top end of the lower mold plate, a base fixed on the top end of the lower mold plate between the supporting seats, a lower mold seat fixed on the top ends of the two supporting seats, a lower mold arranged on the top end of the lower mold seat, and an upper mold arranged above the lower mold, the bottom end of the upper mold makes contact with the top end of the lower mold, an upper mold plate is fixed to the top end of the upper mold, a pouring mold head is installed in the center of the top end of the upper mold plate, a protective cover is arranged at the top end of the upper mold plate on the outer side of the pouring mold head, a connecting belt is arranged on the outer wall of one side of the protective cover, and a cover plate is installed at the end, away from the protective cover, of the connecting belt. And an inserting ring is mounted at the edge position of the inner wall of the cover plate. According to the pouring gate mechanism, the phenomenon that external particulate matter flows into the upper die cavity and the lower die cavity to cause erosion is reduced, the production efficiency of products is improved when the pouring gate mechanism is used, and the convenience is improved when the pouring gate mechanism is maintained.

The application discloses a kind of 3D printing equipment and printing method of magnetic control microsphere space lattice, it is related to printing forming technical field, equipment includes printing station, drive mechanism, sintering mechanism, control mechanism and at least one grabbing head;Printing station is used to stack multiple loose magnetic microspheres as support medium;Grabbing head is used to grab each forming magnetic microsphere, and can be released to the predetermined spatial position above the support medium of printing station;Drive mechanism is connected with grabbing head, and is used to drive grabbing head to move in space;Sintering mechanism is used to sinter the adjacent forming magnetic microsphere on printing station;Control mechanism is connected with grabbing head, drive mechanism and sintering mechanism, and can control the action of grabbing head, drive mechanism and sintering mechanism respectively.The 3D printing equipment and printing method of magnetic control microsphere space lattice provided by the application improve printing efficiency, material utilization and forming piece performance.

The utility model discloses a kind of spraying devices for steel structural member production, including connecting shell, the modular mechanical arm is set in the connecting shell inside bottom end, further including the three-way adjusting mechanism being set on modular mechanical arm, the spraying mechanism is set in the front end of three-way adjusting mechanism, a kind of spraying device for steel structural member production, by spray head, centrifugal fan, flexible baffle and negative pressure recovery air duct, ensure that stable negative pressure field is formed before coating atomization, timely capture atomized particle, prevent paint mist from spreading to workshop environment, reduce the risk that operator inhales paint mist, simultaneously avoid the explosion hidden danger caused by flammable gas accumulation in workshop, cooperate primary filter device and paint mist separation equipment, solvent-based coating after separation can be recycled, water-based paint can be treated and discharged up to standard, reduce hazardous waste disposal quantity, reduce environmental protection compliance cost, efficiently recover splashed coating, reduce material loss.

The application belongs to the technical field of additive manufacturing, and particularly relates to an additive manufacturing method based on partition process optimization and compensation, which comprises the following steps: S1, classifying parts and dividing different parts into different printing areas; S2, separately configuring process parameters for the lower surface area, layer by layer model slicing for the compensation area, and judging whether any model slice needs compensation; S3, separately printing multiple different areas based on respective process parameters; S4, performing structural bias compensation and optical compensation on the printed model based on the actual size of the part; and S5, detecting the upper surface of the part as a machining reference surface. The method of the application can meet the use requirements of high-end manufacturing for precision parts without additional support, not only reducing the consumption of metal powder, but also avoiding damage to the surface of the part in the support removal process, and improving manufacturing efficiency.

The application provides a polyalkylene imine and a preparation method thereof, and belongs to the field of high polymer materials. The method uses azepane as raw material and performs polymerization under the action of chloro ferric acid ionic liquid initiator. By controlling the acidity of the chloro ferric acid ionic liquid, the dosage, the concentration of azepane, the solvent, the polymerization temperature and the time, the control of the polymerization degree of the material can be effectively realized, and the corresponding polyalkylene imine material is formed. The method has the following advantages: (1) the reaction condition is mild, and high temperature and high pressure conditions are not needed; (2) the raw material conversion rate is as high as 99% or more, and the polymerization material is basically odorless; (3) the product has wide application range, and can be used in the polymerization reaction of azepine, azetidine, alkyl-substituted azepine, alkyl-substituted azetidine and other materials; (4) the obtained material has wide application in the fields of flocculants, corrosion inhibitors, liquid crystal polymers, coating layers, gel-type water shutoff agents, drug carriers and gene transfection.

The application relates to the technical field of composite product manufacturing, in particular to a honeycomb pouring and sealing system and a pouring and sealing method, the honeycomb pouring and sealing system comprises a mold, a honeycomb, a flow guide transmission mechanism and a stop block, a vacuum bag is arranged above the honeycomb, a sealing rubber strip connected with the vacuum bag is arranged outside the stop block and surrounds the honeycomb, joints for connecting a vacuum pump or a glue injection mechanism are arranged at intervals in a pouring and sealing area on the honeycomb, the flow guide transmission mechanism comprises a bottom peelable cloth arranged below the honeycomb and a bottom air guide grid plate arranged below the bottom peelable cloth, the flow guide transmission mechanism further comprises a top peelable cloth arranged above the honeycomb and a top flexible flow guide net arranged above the top peelable cloth, and the application also discloses a pouring and sealing method using the system, the application realizes precise coupling of component size and process parameters, ensures the improvement of pouring and sealing quality and efficiency, and needs strict monitoring of parameter execution in actual application, and the parameters are fine-tuned and optimized according to the structural characteristics of the honeycomb.