9results about How to "Achieve localized heating" patented technology

The invention discloses a thin-wall multi-fin part integrated forming device and process, the thin-wall multi-fin part integrated forming device comprises a die holder, a lower die is arranged at the top of the die holder, a shape control die is embedded in the top end of the lower die, and an upper die is arranged at the top ends of the lower die and the shape control die; the power output end of the upper pressing mechanism is fixedly connected with a shape filling mold which is movably inserted into the lower mold, and the power output end of the secondary upper pressing mechanism is fixedly connected with an ejector rod which is movably inserted into the shape filling mold; the power output end of the downward pressing mechanism is fixedly connected with a male die movably inserted into the upper die, and the power output end of the secondary downward pressing mechanism is fixedly connected with a hole forming rod movably inserted into the male die. The integrated forming process of the whole forming process of local heating, upsetting, necking and back upsetting of a blank and overall forming, hole forming, cooling and demolding of a formed part can be achieved, the complete metal flow line of the thin-wall multi-fin part is kept, and local strengthening and efficient near-net forming of a fin area are achieved.

The invention discloses a short pulse laser assisted continuous laser welding device and method. The method comprises the steps that materials are laid; a welding area is divided, and the whole welding area is divided into small areas; performing feature extraction on the small regions; constructing a speed mapping table according to the extracted different features; and planning a laser scanning path according to the speed mapping table. The short-pulse laser-assisted continuous laser welding device and method have the beneficial effects that near-infrared wavelength laser (such as 1064nm) is selected in the whole welding process, and the characteristics of high reflectivity of titanium alloy to the wavelength, high absorptivity of thermoplastic resin, relatively low absorptivity of a resin part in a thermosetting composite material and poor absorptivity of carbon fibers to the wavelength are utilized; laser energy is mainly concentrated on the thermoplastic resin layer, and local heating is achieved. The method comprises the following steps: dividing a region into small regions, extracting features, constructing a speed mapping table, controlling laser energy input, and reducing heat affected zones of the titanium alloy and the thermosetting composite material.

The utility model relates to the technical field of machine manufacturing, in particular to a self-rotating type circular plate thermoforming machine. The bracket is used for placing a bent part; the loading rotating platform is used for supporting and driving the bracket to rotate; the heating device is arranged on the edge of the bracket and is used for heating the bent part of the bent part; the shaping wheel set is arranged on the rear portion of the heating device and comprises a plurality of shaping wheels, and the bending piece is bent into the final shape in a gradient mode in sequence. And after the shaping wheel set is arranged, the shaping wheel set is used for bending the final shape again, and a springback space is reserved. According to the self-rotation type circular plate thermoforming machine, automatic bending of the circular bottom plate can be achieved, and the bending efficiency and quality are effectively improved. The bracket is used for placing the circular bottom plate to be bent, and the loading rotating platform can support the bracket and drive the bracket to rotate, so that the circular bottom plate is uniformly heated in the bending process, and the bending quality is improved.

This utility model discloses a magnetic suction type ship lift gate head sealing frame C-type water seal vulcanization mold. The mold is composed of two symmetrically arranged arc-shaped tile-shaped main bodies (1). Each main body (1) is provided with an electromagnetic coil (4) arranged in a ring array inside. Heating holes (2) are distributed at intervals along the arc surface extension direction on the side of the main body (1). The heating holes (2) are blind holes and their axes are perpendicular to the arc surface of the mold. The two main bodies (1) are clamped on both sides of the C-type water seal to be repaired by the magnetic attraction force generated by the electromagnetic coil (4) after being energized. The addition of electromagnetic coils in the mold generates magnetic attraction force after the electromagnetic coils are energized, so that the two molds tightly clamp the C-type water seal to be repaired, realizing non-contact clamping and avoiding damage to the C-type water seal by traditional mechanical clamps.

The invention discloses a battery pole piece roller local induction heating middle upsetting forging forming method, and belongs to the technical field of free forging. 2, only the blank at the roller body position is heated in an induction heating mode; 3, middle upsetting is conducted on the local heating position of the blank, and then the upset part is drawn out till the size is larger than the diameter of a roller body; fourthly, the blank obtained after middle upsetting and drawing-out is integrally heated to the initial forging temperature; and 5, the roller body is drawn out to the process size, the roller necks at the two ends are drawn out to the process size, and trimming is conducted. Compared with a common drawing-out production mode, forging residual blocks do not need to be added, a clamping table is not needed for material distribution, and the outturn percentage is increased; compared with a local upsetting forming production mode, one-time overall heating is omitted, advanced drawing-out and clamping table blank manufacturing are not needed, the continuous forging flow line is guaranteed, the roller quality is improved, and energy consumption is reduced.

The invention provides a display panel, a repairing method thereof and electronic equipment. The repairing method of the display panel comprises the steps that a thin film transistor and a laser transmitter are provided, the thin film transistor comprises a substrate, a first electrode layer arranged on one side of the substrate and an insulating layer covering the first electrode layer, and the insulating layer is provided with a through hole exposing the first electrode layer and a notch penetrating through the hole wall of the through hole; the laser from the laser emitter is emitted to the insulating layer in the gap so as to heat the insulating layer in the gap. And repairing gas is introduced to form a repairing layer for filling the gap. By controlling the laser, utilizing the local heating characteristic of the laser and cooperating with the repairing gas, local thin film deposition can be achieved, the notch formed by lateral etching can be repaired, the phenomenon of line breakage caused by poor coverage of an upper layer material is avoided, and therefore the yield of the thin film transistor is increased.

The invention provides a polyether-ether-ketone microporous injection molding local regulation and control method based on induction heating, which comprises the following steps: adding a polyether-ether-ketone material into micro-foaming injection molding equipment for storage, and fully mixing a polyether-ether-ketone melt with a foaming agent in a storage stage to form a supercritical fluid; before mold closing, an electromagnetic induction coil is used for locally heating a specific area of the micro-foaming injection molding equipment; and then the coil and the thermocouple are removed, the injection molding machine carries out mold closing, injection and pressure maintaining actions, after the pressure maintaining actions are finished, the movable mold carries out micro mold opening actions, after the micro mold opening actions are finished, normal cooling, mold opening and ejection actions are carried out, and the polyether-ether-ketone foaming product with the local foaming regulation and control characteristic can be obtained. The electromagnetic induction heating coil is used for locally heating the specific areas of the movable mold and the static mold, so that the local microstructure of the polyether-ether-ketone micro-foaming product is regulated and controlled, the crystallinity and the foaming effect of the areas are synergistically improved, and the original tensile property is kept.

The invention relates to the technical field of electronic assembly, in particular to a repair method of a full-array three-dimensional stacked package printed board assembly, which realizes desoldering and assembly soldering of stacked devices on the full-array three-dimensional stacked package printed board assembly by optimizing a heating mode and increasing monitoring of process temperature and heating time. The problems of insufficient soldering, reliability reduction and the like caused by multiple times of heating of surrounding devices in an existing repair method are effectively avoided; and the welding spot quality and the repair efficiency of the repaired printed board assembly part are improved.