32results about How to "Reduce processing defect rate" patented technology

The invention discloses an LED liquid crystal display backlight module which can provide the possibility of higher brightness under the condition of not increasing spotlighting sheets, and the structure of the LED liquid crystal display backlight module can be suitable for high-power LED lamps to reduce the application of low-power LED lamps so as to reduce the probability of faults. The LED liquid crystal display backlight module comprises an LED lamp strip and a light guide plate, wherein the LED lamp strip is provided with an LED lamp; the back surface of the light guide plate is provided with the LED lamp strip; the light guide plate corresponding to the position of the LED lamp is provided with a hole; the hole comprises two orifices positioned on the front surface and the back surface of the light guide plate; the orifice positioned on the back surface of the light guide plate is provided with a direct type LED lamp; and the orifice positioned on the front surface of the light guide plate is provided with a light-reflecting device used for reflecting the light of the LED lamp. The invention is mainly used for LED backlight sources of a liquid crystal display and a liquid crystal television.

A fixture device for a special-shaped groove of an automobile brake system support comprises a clamping positioning part and a detection part. The clamping positioning part comprises a base plate (1), vertical plates (2), a positioning plate (5), a Y-direction positioning column (6), a Z-direction positioning column (4), pressure pliers (3) and a Y-direction jacking pin (7). The detection part comprises a detection block (8). The base plate (1) is provided with the Z-direction positioning column (4), and the vertical plates (2) are provided with the Y-direction positioning column (6), the positioning plate (5) and the pressure pliers (3). By the arrangement, degree of freedom of a to-be-detected work piece is limited on three directions and fixed through the Y-direction jacking pin (7) and the pressure pliers (3), the special-shaped trough of the work piece is judged whether to be qualified or not by allowing the detection block (8) to slide in a position of a special-shaped trough of the work piece to determine pass check of the special-shaped trough. The special-shaped groove fixture device has the advantages of convenience in detection, accurate data and easiness in operation and the like, detection of the special-shaped groove of the automobile brake system support has actual using effect, production detection efficiency of the automobile brake system support is greatly improved, and defective rate in processing the automobile brake system support is greatly reduced.

The invention relates to a channel steel machining, corner shearing and bending machine and a machining method. The machine comprises a supporting device, a bending device, corner shearing devices anda fixing device. The cross section of the supporting device is of a homocentric-squares-shaped structure, the bending device is mounted on the inner end face of the left side of the supporting device, the fixing device is mounted on the inner end face of the right side of the supporting device, and the corner shearing devices are symmetrically installed on the front and back of the supporting device. The machine can solve the problems that an existing channel steel bending machine often adopts a roller cooperation mode to make channel steel bent by a certain angle, accordingly bent portions have radians, and bending of channel steel needing right angles cannot be completed. Besides, the problems that in the using process of the existing channel steel bending machine, corner shearing portions are lack of supporting, the channel steel is likely to deform in the machining process, the quality of the machined channel steel is low, and the defective rate of machining is high can be solved.

The invention discloses a device and a method for machining a flywheel assembly. The whole machining processes are sequentially as follows: a first vertical lathe is used for machining the front surface of a flywheel; a horizontal machining unit is used for performing flywheel signal gear machining; a gear ring heating device is used for heating a gear ring; a press machine is used for carrying out gear ring and flywheel pressing and sleeving; a second vertical lathe is used for machining the working face of the flywheel; a cleaning workbench is used for cleaning the flywheel; an online detection device is used for carrying out online detection on the flywheel; an infrared scanning unit is used for carrying out infrared scanning and positioning on the flywheel; a first vertical machining unit is used for carrying out flywheel hole position machining; a second vertical machining unit is used for carrying out flywheel installation hole machining; a laser marking machine is used for carrying out laser printing of an ignition mark; and dynamic balance equipment is used for carrying out dynamic balancing of the flywheel. According to the device and the method, due to the adoption of a roundabout layout of automatic operation of manipulators, the labor intensity of workers and the number of the workers are greatly reduced, the fact the process capabilities of important sizes of products are all 1.67 or above is ensured, the reject ratio of product machining is remarkably reduced, and the monthly waste loss is reduced by 50% or above.

The invention provides an analysis method and device for the graph density of a chip and electronic equipment, and is applied to the technical field of semiconductors. According to the graph density analysis method provided by the invention, after the graph density of each region in the edition graph is calculated, the graph density of each region is displayed in a graph display mode through the preset display strategy; therefore, a technician can visually check the distribution condition of the graph density of each area in the layout, the analysis efficiency of the graph density of the layout is improved, finally, the process defect rate in the subsequent manufacturing process is reduced, and the product yield is increased.

The invention provides an unmanned aerial vehicle and a fuselage assembly thereof. The fuselage assembly comprises a shell, a bracket and an internal assembly piece. The shell is provided with an accommodating cavity. The bracket is accommodated in the accommodating cavity and connected with the shell. The internal assembly piece is mounted on the bracket. In the fuselage assembly, the shell doesnot need a fixing structure used for mounting the internal assembly piece, so that the internal and external structures of the shell are concise, low in weight, easy to machine and low in machining defect rate; and the high-quality appearance can also be obtained under the low-cost condition, so that the overall manufacturing cost of the fuselage assembly is reduced.

The invention discloses a 40-pin signal transmission cable with the distance of 0.8 mm and a manufacturing method thereof, the signal transmission cable comprises a connector and an FFC, the conductive end of the FFC is inserted into the connector, the distance between wires of the FFC is 0.8 mm, and the number of the wires of the FFC is 40. After the connector of the flexible flat cable provided by the invention is assembled with the cable, the overall size of the product is reduced, and the use requirement of an ultra-thin product is met; and meanwhile, the assembly structure between the cable and the connector is simple and easy to operate, so that the cost is reduced, and the reject ratio of the manufacturing process is also reduced.

The invention provides a computerized numerical control machine automatic line. The computerized numerical control machine automatic line comprises a main control box, automatic doors, a ground rail,feeding trolleys, secondary positioning devices, mechanical arms and material taking and cleaning palms, wherein the feeding trolleys are arranged on the ground rail, the secondary positioning devicesare arranged on the feeding trolleys, the material taking and cleaning palm are arranged on the mechanical arm, the automatic doors are arranged on the side edge of the computerized numerical controlmachine, and clamps are arranged in the computerized numerical control machine. The computerized numerical control machine automatic line is arranged on the side edge of the automatic doors, when thefeeding trolleys slide to the computerized numerical control machine precise positions, the automatic doors are automatically opened, machined products on the clamps are taken out by the feeding trolleys, the clamps are cleaned, and after the cleaning is completed, products which is positioned by the secondary positioning devices are installed on the clamps through the material taking and cleaning palms, after the installation is completed, the material taking and cleaning palms exits the automatic doors, the automatic doors are closed, the computerized numerical control machine begins to work; according to the arrangement of the automatic doors, the mechanical arms, and the material taking and cleaning palms arranged on the mechanical arms, the intelligent replacement and assembly of products are realized, the waste chips can be cleaned, the labor cost can be saved, the processing reject ratio can be reduced, and the production efficiency can be improved.

The invention provides an assistant supporting device. The assistant supporting device comprises a bottom supporting device, a vertical supporting device, an upper supporting device, a first middle supporting device ,a second middle supporting device, a third middle supporting device, a buffering device, a top supporting device, an electrical control box, an air source processing device, a jacking cylinder, an universal joint device, a plurality of movable baffle plates, an electric chuck, a plurality of steel ball rollers, two operating handles and two rotating bearings, wherein the plurality of movable baffles, the electric chuck, the plurality of steel ball rollers, the two operating handles and the two rotating bearings are fixed to the top supporting device. The assistant supporting device is used in match with a numerically-controlled bending machine, and thus a large sheet metal spare part can be easily bent; the stroke of the air source processing device and the jacking cylinder can be adjusted to easily control the rotating speed and the rotating angle of the machine. With the adoption of the assistant supporting device, the difficulty of workers at workpiece arranging and positioning can be solved, and the fraction defective in the processing of the spare part can be reduced; the difficulty of the workers carrying a large workpiece can be solved; the potential risk that the workers handhold the workpiece during the machine stand processing process can be effectively avoided.