6results about How to "High defect rate" patented technology

The invention relates to the technical field of inductors, in particular to a power inductor, comprising: a lower module comprising a bottom plate and a center pillar arranged on the bottom plate, the two sides of the upper end face of the bottom plate being provided with mounting blocks; a coil winding is in a hollow cylinder shape, two ends of the coil extend out of lead portions, two leads are bent downwards in the axial direction from two sides of the coil to the lower end face of the coil and bent upwards again along the direction of the bottom face, terminals of the lead portions are bent again towards the direction of the coil, and the lead portions form rectangular grooves below the coil. The two sides of the bottom plate are arranged in the grooves; and the upper module wraps the coil and is exposed out of the lead part of the lower end face of the bottom plate, and the upper module and the lower module are integrally pressed and formed. The electrode length is increased, the yield is improved, the defect rate increased due to inaccurate subsequent electrotinning position caused by too short electrodes is avoided, and the influence on the inductor use effect in the use process due to too short electrodes is also avoided.

The utility model discloses a PCB (printed circuit board) capable of preventing a bonding pad from warping, which comprises a PCB body, at least one bonding pad is arranged on the PCB body, an insulating green oil layer is arranged on the outer surface of the PCB body, and an opening area is reserved on the insulating green oil layer at each bonding pad. The insulating green oil layer in the opening area extends towards the bonding pad to form at least one extension part, the extension part covers and presses the bonding pad, and the upper surface of the insulating green oil layer is provided with a two-dimensional code laser area. A black ink layer and a white ink layer arranged on the black ink layer are arranged on the upper surface of the insulating green oil layer located on the two-dimensional code laser area, and a two-dimensional code is formed on the white ink layer through laser. The insulating green oil layer in the opening area extends towards the bonding pad to form at least one extension part, and the extension part covers and presses the bonding pad, so that when a welding pen abuts against the edge of the bonding pad, the bonding pad is not warped because the bonding pad is covered and pressed by the extension part of the insulating green oil layer.

The invention discloses a tooth profile machining method for gear honing or gear shaving, which solves the problems that in the prior art, the tooth profile machining difficulty of gear honing or gear shaving is large, the feasibility is weak, and a product subjected to gear honing or gear shaving cannot be in a stable and qualified tooth profile state, and specifically comprises the following steps: step 1, judging the tooth part state of a to-be-machined blank tooth; and 2, the corresponding to-be-machined blank tooth is machined according to the tooth part state judgment result. After the tooth part states of the blank teeth are finely classified, different machining parameters are adopted for machining according to the different tooth part states, the feasibility is high, the tooth part precision and the reject ratio of machined products are improved, and the products obtained after gear honing or gear shaving machining can be in the stable and qualified tooth shape state.

This invention relates to an intelligent operation and maintenance method and device for an adaptive material suction system, comprising: Step 1, configuring the hardware of the material suction system; Step 2, adaptive material suction time parameters; Step 3, adaptive material cleaning time parameters; Step 4, self-diagnosis of material suction pump failure, pressure sensor failure, and pipe breakage in the front pipeline; Step 5, self-maintenance of material jamming on the material suction sealing plate, and self-diagnosis of material shortage and pipe breakage in the rear pipeline; Step 6, self-maintenance of filter element clogging by spray cleaning, and self-diagnosis of cleaning the filter barrel and replacing the filter element. This invention solves the high-frequency industry problem of "material suction failure" by adapting key parameters of the material suction and cleaning system, intelligent operation and maintenance of cleaning the material suction sealing plate and filter element clogging, and self-diagnosis of multiple faults such as the material suction pump, pressure sensor, and pipe breakage. It achieves zero user experience and zero operational requirements, extends the service life of core components such as the material suction pump, pipelines, and filter elements, reduces operating costs, and increases material suction capacity.

The application discloses a glue injection polymerization device, a glue injection system, a glue injection method and a wax removal device. The glue injection polymerization device comprises a pressure injection mechanism, and a polymerization mechanism is arranged below the pressure injection mechanism. The pressure injection mechanism is used for pushing the piston of a glue-containing syringe so that the glue is gradually injected into a false tooth model. The polymerization mechanism is used for providing steam so that the glue in the false tooth model is gradually polymerized from bottom to top. The glue injection polymerization device provided by the application realizes the combination of glue injection and glue boiling processes in one device. Since the polymerization mechanism is arranged below the glue pipe seat, the glue at the bottom of the false tooth model is first affected by high temperature to complete polymerization. In this process, the polymerized and solidified glue squeezes out the air in the glue, and this process gradually acts on the glue in the whole false tooth model from bottom to top, so that the generation of air bubbles can be effectively reduced or even avoided, the shrinkage rate of the glue support is reduced, the quality of the glue support after forming is improved, and the yield of the removable denture is improved.

The invention discloses an unlocking function detection device and method, and the device is used for the detection of an unlocking part on an optical module, and comprises a detection tool which is provided with a cavity for the insertion of the optical module; the limiting piece is arranged in the cavity; wherein the optical module is inserted into the cavity to form a conduction circuit, and the unlocking function of the optical module is judged by detecting the resistance value between the unlocking piece and the limiting piece; according to the invention, the optical module can complete the module size test in the test process instead of an independent process, thereby saving the production time, reducing the use of a test cage, saving the cost of the cage, preventing the surface of the module from being scratched by the cage, and increasing the reject ratio of the module. Therefore, the testing accuracy is ensured, the manual operation is reduced, the automatic testing of the size is realized, and the efficiency is improved.