6results about How to "Guaranteed forming accuracy" patented technology

This invention relates to a dynamic optimization and mold condition assessment method for the stamping process of radiators in the field of information technology. The method includes: acquiring real-time pressure distribution data and real-time strain data of the sheet metal in key areas of the mold during the stamping process; predicting the material deformation trend using a preset deformation prediction model based on the real-time pressure distribution data and the real-time strain data; determining whether the material deformation trend exceeds a preset tolerance threshold; if the material deformation trend exceeds the tolerance threshold, generating a new combination of process parameters through reverse calculation; sending the new combination of process parameters to the stamping equipment control system for dynamic adjustment; acquiring actual size measurement data of the processed product; associating the actual size measurement data with the process parameter adjustment record and inputting it into a mold wear assessment model; and outputting the current mold wear condition assessment result through the mold wear assessment model.

The application relates to a ceramic multi-material continuous forming light-curing additive manufacturing equipment and a process control method thereof. The application is applied to additive manufacturing of multi-material heterogeneous and complex-shaped ceramic components. The ceramic multi-material continuous forming light-curing additive manufacturing equipment comprises a vibration isolation table, a release film conveying module, a multi-material feeding module, a substrate rotating module and a DLP light machine projection displacement module, and each module is installed on the upper surface of the vibration isolation table; the vibration isolation table is a mounting base of the whole equipment and is used for reducing the influence of external vibration on printing precision; the release film conveying module is used for conveying paste and residual paste after curing; the multi-material feeding module is used for feeding different ceramic pastes and realizing material feeding switching; the substrate rotating module is used for bonding and curing ceramic blanks, realizing multi-layer printing and substrate cleaning during material replacement; and the DLP light machine projection displacement module is used for projecting slice patterns to cure the paste and realizing large-format splicing forming.

The utility model provides a kind of double-arrow-shaped metamaterial corrugated strip multi-step semi-automated forming platform, the utility model places initial rectangular corrugated strip in forming area first, through the folding mechanism and pressure block propulsion mechanism with spatial phase difference distribution characteristics, combined with multistage progressive extrusion path planning strategy, realize double-arrow-shaped metamaterial corrugated strip layer-by-layer cumulative forming under the dynamic load exerted by electric control system, and the forming angle and precision of material after forming are guaranteed by fine adjustment sliding table and screw clamp, after forming is completed, pressure maintaining treatment is carried out by the pressure maintaining force of electric cylinder, material springback is reduced, and finally high-precision double-arrow-shaped metamaterial corrugated strip is obtained.

The utility model discloses a kind of automobile parts welding with rack, belong to automobile parts welding technical field.Selected battery module electrode connecting sheet (copper / aluminium sheet) as typical welding object, the utility model includes moving device, moving device includes three bottom plate one, two bolt holes are symmetrically arranged in bottom plate one two sides, bolt hole is connected bolt, and is connected between bottom plate one by connecting sheet, bolt;Still include fixing device one, fixing device one includes frame one, and welding frame is installed in frame one top, and T-shaped groove one is set in welding frame inner ring, four T-shaped sliders one are matched and set in T-shaped groove one, three electric push rods two are installed on T-shaped slider one, and clamping block one is installed in electric push rod two top.The utility model places rack for automobile parts welding by modularization design, installs multidirectional arbitrary adjustment clamp for welding frame, solves the problem that common automobile parts welding with rack function area is divided chaos, clamping type is single, inconveniently moves.

The application relates to a kind of progressive forming process methods, comprising the following steps: S1, each clamping unit is adjusted to uniform vertical height, and the rotation angle of lower clamping head and upper clamping head is adjusted to set reference posture, and the clamping surface is relatively flat;S2, metal sheet is placed and clamped and fixed between the lower clamping head and the upper clamping head of each clamping unit;S3, according to the three-dimensional surface topography of target workpiece, the height and clamping head angle of each clamping unit are gradually adjusted, and the metal sheet is preliminarily fitted to the target topography;S4, the position and posture of all clamping units are locked, and a stable curved surface support structure is constructed;S5, the sheet is progressively formed using a progressive forming tool head;S6, after forming, the clamping force is released and the workpiece is removed.Compared with the prior art, the application has the advantages of improving forming quality and material utilization, improving processing efficiency and trajectory accuracy, high flexibility and versatility, reducing production cost and the like.

This utility model discloses a friction stir additive manufacturing substrate mounting fixture with anti-deformation function, belonging to the field of additive manufacturing technology. It includes a rectangular fixture mother plate with a weight-reducing hole in the middle. A groove is formed on the lower surface of the rectangular fixture mother plate outside the weight-reducing hole. A grid-shaped weight-reducing mesh is arranged in the groove outside the weight-reducing hole, dividing the groove into several mesh slot units. Several threaded mounting holes are equally spaced on the upper surface of the rectangular fixture mother plate. This utility model simply and effectively meets the requirement of preventing substrate deformation, can effectively adapt to plates of different materials and thicknesses, provides stable and reliable additive manufacturing conditions, and ensures the forming accuracy of the workpiece during friction stir additive manufacturing from the perspective of suppressing deformation.