317results about How to "Reduce rework costs" patented technology

A separation apparatus for separating two planar devices bonded together by an adhesive layer is provided. The separation apparatus includes a base, a sliding module, a cutting member, and a positioning stage. The sliding module is mounted on the base. The cutting member is connected to the sliding module and is moveable in a two-dimensional plane with respect to the base by the sliding module for cutting the adhesive layer. The positioning stage is mounted on the base for positioning the planar devices and the adhesive layer therebetween on the base.

The invention discloses a split type periscope module, and an assembly method and an application thereof. The split type periscope module comprises a light turning component and a module component, wherein the module component comprises a lens and a photosensitive component, and the lens is positioned in a photosensitive path of the photosensitive component; the light running component is assembled into the module component in a split and modularized manner, the lens is positioned in a light ray exiting direction of the light turning component, and thus a light ray turned by the light turning component and exiting from the same reaches the lens.

The invention discloses a steel structure building construction method for pre-burying of foundation bolts. The steel structure building construction method comprises the following steps: 1. grouping of the foundation bolts: all the foundation bolts to be pre-buried are divided into a plurality of groups, the groups of the foundation bolts are respectively distributed in a plurality of bolt pre-burying areas in a concrete foundation, and the foundation bolts in each group form a bolt group; 2. grouped assembly of the foundation bolts: the bolt groups are respectively assembled, and the assembly procedure comprises manufacturing of a positioning mold, inserting of the foundation bolts, fixing of the foundation bolts, and separating of the bolt groups from positioning mold; 3. concrete cushion construction and pre-burying of fixing steel bars; 4. lower part fixing of the bolt groups; 5. binding of the steel bars and support arrangement of a template erection in the concrete foundation; 6. a position adjustment and upper part fixing of the bolt groups; 7. concrete foundation pouring. The method provided by the invention is simple in procedure, reasonable in design, convenient in implementation, and good in use effects, and has the advantages that the construction process for the high-precision pre-burying of the foundation bolts in the concrete foundation can be simply, conveniently and rapidly completed with high quality.

The invention discloses an LED (Light Emitting Diode) chip for a composite transparent conducting electrode. The LED chip comprises a gallium nitride buffer layer, an N-GaN layer, a quantum well layer, a P-GaN layer and a composite transparent electrode layer which grow on a substrate in sequence. The LED chip is characterized in that an n-type electrode is manufactured on the N-GaN layer; a p-type electrode is manufactured on a graphene layer of the composite transparent electrode layer; the composite transparent electrode layer is formed by compounding a graphene laminar film and ZnO nanorods growing on the graphene laminar film. The invention also discloses a manufacturing method of the chip. The graphene laminar film/ZnO nanorod compounded transparent electrode layer formed by the manufacturing method has the advantages of capability of preventing cracking and good light transmittance performance and is easy to process, so that the contact performance, the current expansion performance and the transmissivity of the chip are greatly improved, and the production cost of the subsequent chip technology can be greatly reduced.

The invention discloses a tensioning and positioning round pin, which is provided with at least two pin flaps separated from each other, wherein when the pin flaps of the tensioning pin are folded, the tensioning pin contracts, so that the tensioning pin can easily extend into a positioning hole; and then, the tensioning pin is tightly combined with the positioning hole by unfolding the pin flapsof the tensioning pin, so that no gap exists between the tensioning pin and the positioning pin, the positioning accuracy and stability of a clamp are ensured, the installation accuracy of fittings such as a vehicle door hinge and the like is ensured, one-time installation success rate of a vehicle door is increased, the production efficiency is improved and the fluctuation of product quality is reduced. The invention also discloses a round pin-inserted positioning device. The round pin-inserted positioning device comprises the tensioning and positioning round pin provided with at least two pin flaps which are separated from each other, and an expansion device which is fixedly connected with the root parts of the pin flaps and drive the pin flaps to move along the radial direction. By adopting the round pin-inserted positioning device, the installation accuracy of the vehicle door hinge can be enhanced and the one-time installation success rate of the vehicle door can be increased.

The invention relates to a thermal treatment and deformation prevention tool for a thin-wall cylinder body casting and a thermal treatment charging method thereof. The thermal treatment and deformation prevention tool for the thin-wall cylinder body casting comprises a plurality of supporting components arranged on the axial inner side of the cylinder body casting in a spacing manner, wherein the supporting components comprise arc-shaped supporting bodies for supporting the inner wall of a cylinder body; the radian of each arc-shaped supporting body is 60 to 90 degrees; the radius of the outer arc surface of each of the arc-shaped supporting bodies is the same as that of the arc surface of the inner wall of the cylinder body; a plurality of supporting rods are perpendicularly arranged on the arc-shaped inner sides of the arc-shaped supporting bodies; the lower ends of the supporting rods are fixedly supported on horizontally arranged supporting plates; the lengths of the supporting plates are less than the inner diameter of the cylinder body casting by 20 to 30 mm; the lower surfaces of the supporting plates and the flange end surfaces of the cylinder body casting to be supported are located on the same horizontal plane. The thermal treatment and deformation prevention tool disclosed by the invention can effectively prevent inwards sunken deformation of the cylinder body casting during high-temperature thermal treatment to prevent two flange ends of the cylinder body casting from being outwards opened.

The invention discloses a three-dimensional digital model-based hydraulic and hydropower engineering progress monitoring method. The method comprises the steps of 1, performing modeling: reading a hydraulic engineering two-dimensional drawing or directly performing hydraulic engineering design, and performing model building by utilizing CATIA three-dimensional design software, wherein a modeling detail requirement is greater than LOD300; 2, performing model division: according to a progress plan, project demands and project characteristics, dividing a design model in the step 1 into progress models, and customizing specific identifiers for names of the progress models, wherein the name of each progress model after division is divided into two parts: the specific identifier and a number; 3, writing the names, as main keys, of all the progress models after division into a database, and then establishing other fields; and 4, performing secondary development on Catia Composer Player. Therefore, the needs of BIM progress input, deviation comparison, lag analysis and virtual construction functions are met.

The invention relates to a large area super-flat reinforced concrete floor and colorful diamond sand surface layer one-step forming method. The one-step forming method comprises the steps of template erection, steel bar binding, expansion reinforcing band arrangement, elevation measurement, steel bar elevation check, laser leveler adjustment, concrete pouring, laser leveler leveling, professional leveling, diamond sand spreading, grinding and flexible compacting, polishing, construction seam cutting, curing, finished product curing and upper structure construction. According to the one-step forming method, a structural floor is used as a base layer, a diamond sand floor surface layer and a structure are subjected to one-step pouring forming, the common quality problem that the floor surface layer is prone to forming hollow protrusions due to secondary pouring is avoided, meanwhile, one concrete base layer is reduced, and cost is greatly reduced. The floor is fully covered with recyclable materials such as plastic films and templates so that an upper main structure can continue to be conveniently constructed.

The invention provides a cable insulation shielding layer processing device which comprises a bracket (10), a clamping mechanism (20), a grinding mechanism and a drive mechanism, wherein the clamping mechanism (20) is arranged on the bracket (10); the clamping mechanism (20) is provided with a clamping opening for clamping a cable (90); the grinding mechanism can be rotatably arranged on the cable (90) and is positioned at the insulation shielding layer of the cable (90); and the drive mechanism is in driving connection with the grinding mechanism for driving the grinding mechanism to grind the insulation shielding layer. According to the technical scheme adopted by the invention, the cable insulation shielding layer effectively solves the problem that an insulation shielding fracture cannot be manually processed easily to realize smooth transition in the prior art.

Disclosed is a welding repair method for a local defect of a crankshaft for a ship. The crankshaft is made of S34MnV. The welding repair method is characterized in that preheating before welding is not conducted, and the local defect on the surface of the crankshaft is repaired through a cold welding method; and the welding repair method comprises the steps that polishing treatment is conducted on the defect on the surface of the crankshaft before welding, then a priming coat is formed through argon arc welding, then CO2 gas shielded welding is adopted for welding of a filling covering layer, and finally grinding and polishing are conducted on the repaired surface. According to the welding repair method, the tedious processes of preheating before welding, and heat preservation and slow cooling after welding are avoided, repair cost is reduced, meanwhile, the welding repair method has the advantages that the processes are simple, operability is high, and work efficiency is high and can be used for repair and maintenance of the local defect of the crankshaft for the ship, and very high practicability is achieved.

The invention relates to a production line for a diesel engine, in particular to the production line for cold test of the diesel engine and belongs to the field of the diesel engine production technology. The production line comprises a first rotary table and a second rotary table, wherein a cold test conveying line body is arranged between the first rotary table and the second rotary table, a first repair section line body is arranged on other side of the first rotary table and opposite to the side where the cold test conveying line body is positioned, and a second repair section line body is arranged on other side of the second rotary table and opposite to the side where the cold test conveying line body is positioned. A last process conveying line body is arranged on one side of the first rotary table, and a first front transitional machine and a first cold test rack are arranged on the other side of the first rotary table. A next process conveying line body is arranged on one side of the second rotary table, and a second front transitional machine and a second cold test rack are arranged on the other side of the second rotary table. By means of the production line, online cold test can be performed during assembly of the diesel engine, repair is facilitated, and the production line is reasonable in integral layout, attractive and capable of facilitating production organization and logistics arrangement.

The present invention relates to the technical field of semiconductor manufacturing and particularly relates to a method for removing a pad defect. After a DSP solution without hydrofluoric acid is used to clean a pad, the pad is subjected to washing process, the cleaning and washing processes are repeated for many times to remove the pad defect, since the DSP solution does not contain the hydrofluoric acid, the pad damage in the process of removing the pad defect can be reduced, and pit defects are reduced. Since the DSP high and low speed matching is used, the streaming can be increased to increase chemical cleaning ability, the mode of repeated cleaning and washing is employed, the effect of the sulfuric acid and hydrogen peroxide in the solution can be improved, thus the pad defect can be effectively removed, scrap can be reduced, the yield is improved, and the cost os rework is saved.

The invention relates to a two-time positioning construction process for pre-buried channels of an overhead line system of a high-speed railway tunnel. By adjusting the procedure of installing the pre-buried channels, a larger operation space is provided for construction, and operators can conveniently and rapidly install channel sets on a lining trolley and can rapidly install C type channel sets, D type channel sets and E type channel sets by standing on edges of the lining trolley by means of frames such as ladders. The channels can be positioned in advance while secondary lining reinforcing steel bars are bound, time is used while the space is used sufficiently, multiple steps are executed at the same time and do not affect one another, and the result is gained with half effort.

A bi-component heat-conducting gel for 5G communication comprises a component A and a component B, wherein the component A is prepared from organic silicon resin, filler, terminal group modified polyhedral oligomeric silsesquioxane and styryl silane; the component B is prepared from organic silicon resin, a catalyst, liquid rubber, filler, liquid crystal type epoxy resin modified organic silicon,polydiphenyl siloxane with specific functional groups at the two tail ends, nano shell-core structure powder grafted with a surface modifier and pigment. The invention further discloses a preparationmethod of the bi-component heat-conducting gel for 5G communication. The bi-component heat-conducting gel is packaged by double tubes, and the component A and the component B are mixed when the bi-component heat-conducting gel is used. The bi-component heat-conducting gel has good heat conduction performance, is convenient to repair, can be repeatedly used after repair, improves the repair efficiency and reduces the repair cost.

The invention discloses a method for solving cold-batch pretreatment uneven dying. Before the dyeing process, dyeing pretreatment is carried out on cloth and includes the steps of padding, batching and neutral washing. In the step of neutral washing, the batched cloth is put into a dye vat, water is fed, the batched cloth is operated for 10+/-2 min in water at the temperature of 40-60 DEG C, and the water is drained; water is fed, the water temperature in the dye vat is made to be 88-98 DEG C, the cloth is operated for 10+/-2 min and then cooled to 40-60 DEG C, and the water is drained; water is fed, the water temperature in the dye vat is made to be 40-60 DEG C, acetic acid is added, the cloth is operated for 5-10 min, then ferment is added, the cloth is operated for 5-10 min, and the water is drained. By adopting the method, the rate of additive color uneven dyeing can be reduced by 70%, and the ratio of uneven dying chromatic aberration is greatly reduced.

The invention discloses a process method of improving wall thickness uniformity of a closed thin-walled rotary part. The process method comprises the steps: (1) designing a finish turning clamp of a novel structure; (2) designing a following process route according to the finish turning clamp; and (3) adjusting the working allowance of a finish turning procedure. As the performance and reliability of a new generation engine are improved, a higher requirement is posed to the processing precision of a part; a designer requires the amount of unbalance of the rotary part more and more strictly. Therefore, reduction of the amount of unbalance of a cover hood part which is relatively great in processing difficulty will be widely applied by using the method. Meanwhile, the technology is suitable for both processing closed rotary parts which are different in structure and size and improving the processing precision of the part, and the process method has a wide application prospect.

The invention relates to an assembling method of a large box type high-voltage asynchronous motor, in particular to a motor assembling method for performing processing when partial processing procedures of a motor rotating shaft are transferred to motor assembling. The assembling method mainly solves problems of large reworking amount and cost increasing caused by faults in partial motor part matching due to dimensional tolerance accumulation of all parts in the production process of the large box type high-voltage asynchronous motor. The assembling procedures of a rotor and a stator of the motor are as follows: the rotor is hoisted into the stator, an outer cover of a bearing at the non-shaft-extension end of the motor rotor is assembled, fixing holes of water throwing rings at two ends of a shaft of the motor rotor are punched, oil seals at two ends of the shaft of the motor rotor are assembled, the water throwing rings at the two ends of the shaft of the motor rotor are assembled, a motor end cover is assembled, a motor outer fan is assembled, an air cooler is assembled, and a finished product is tested. The assembling method avoids motor reworking, reduces reworking expanse, and simultaneously can reduce cable waste and production cost due to the fact that a motor lead-out wire is welded during whole motor assembling.

Cells of a composite cell array are cured by placing tool blocks in the cells and inserting thermally conductive elements in each of the tool blocks. The thermally conductive elements are convectively heated by a flow of hot air. The heated conductive elements conduct heat to the tooling blocks, which then conduct heat to the cells to cure the composite and adhesive.

The invention discloses a weld defect real-time detection method and system based on 3D point cloud. The method comprises the following steps: setting a normal weld contour template based on historical data; scanning the cross section of the welding seam through line laser, collecting 3D point cloud data of the welding seam in real time, and recording initial contour data obtained through real-time scanning of the line laser as data; carrying out inflection point detection based on a DBSCAN density clustering algorithm, and determining current weld contour data; and calculating the distance d between the current welding seam contour data and the normal welding seam contour template through a DTW algorithm so as to judge whether defects exist on the surface of the welding seam. According to the method, whether the defects exist on the surface of the weld joint can be effectively distinguished without constructing a complex machine learning or neural network model, calculation resources are greatly saved, meanwhile, rapid and accurate real-time detection is achieved, therefore, the defects are found as early as possible in actual production, losses are reduced, weld joint scrapping is avoided, the repair cost is reduced, and high production value is achieved.