3results about How to "Control offset" patented technology

This invention relates to the field of 3D layout technology, specifically to a center cube layout method based on an intelligent heuristic algorithm, comprising the following steps: S1, determining the size parameters of the space to be laid out, the number of objects to be laid out, and the size parameters of each object to be laid out, setting layout constraints and preset goals; S2, constructing a mathematical model of the center cube layout problem, defining the layout state, envelope box, center cube, available space, and envelope box fill rate; S3, designing an intelligent heuristic algorithm, which is designed according to the available space calculation strategy, the available space cube selection strategy, and the object placement strategy; S4, based on the intelligent heuristic algorithm designed in S3, combined with the parameters of S1 and the mathematical model of S2, solving the center cube layout, outputting a layout scheme that satisfies the layout constraints and preset goals, thereby improving the engineering feasibility of the layout scheme.

The utility model belongs to hoisting equipment technical field, and disclose a kind of steel structure processing hoisting equipment, including bottom plate, the upper surface of bottom plate is fixedly connected with portal frame, hoist body is installed on portal frame, the inboard of portal frame is fixedly connected with mounting seat, the lower surface of mounting seat is fixedly connected with motor, the output of motor is fixedly connected with screw rod, screw rod is threadedly connected with threaded block, the outer surface of threaded block is fixedly connected with mounting plate, the outer surface of mounting plate is fixedly connected with electric telescopic rod, the end of electric telescopic rod away from mounting plate is fixedly connected with adjustable clamp, the upper surface of bottom plate is fixedly connected with four support rods, by the cooperation of motor, screw rod, threaded block, electric telescopic rod and adjustable clamp, after hoisting, certain force's clamping work piece, its guiding effect and certain supporting effect can be played, can reduce the shaking and swing of work piece, reduce operation difficulty, make hoisting process operation more easily control.

The application discloses a laser alignment degree inspection method, comprising the following steps: dividing a detection area in advance on a position of a PCB board edge which is not shipped before molding; manufacturing an inner layer pattern of the PCB board, digging copper on a copper foil of an alignment inner layer in the corresponding detection area to form a reverse pad, digging copper on a copper foil of a laser layer in the corresponding detection area to form a laser area, and then drilling a laser hole in the laser area, wherein the area of the laser hole is larger than the area of the reverse pad; laminating the manufactured inner layer pattern to obtain a molded PCB board; performing laser on the laser area on the molded PCB board to hit the reverse pad position; and checking the relative offset degree and direction of the laser hole and the reverse pad according to the appearance to obtain the offset of the laser hole alignment inner layer pattern. The laser alignment degree inspection method can control the offset of the laser hole alignment inner layer pattern and prevent alignment offset from exceeding the specification.