8results about How to "Guaranteed physical properties" patented technology

The invention discloses a preparation method of a high-precision ultra-wide 50 steel cold-rolled steel strip, and belongs to the technical field of ferrous metallurgy. In the production process of the steel strip, the surface quality of the pickled steel strip is improved by optimizing the pickling process; the total reduction rate of cold rolling is adjusted, the problem of steel strip rolling edge cracking is eliminated, and a product is rolled to the target thickness; a process lubricating system of the rolling mill is optimized, so that the surface quality and the plate shape quality of a product are improved; and the annealing process parameters are optimized, so that the physical properties of the product are ensured. The high-precision ultra-wide 50 steel cold-rolled steel strip is successfully developed by adopting the measures of optimizing chemical components and physical properties of a cold-rolled base material, optimizing an acid pickling process, adjusting the total reduction rate of cold rolling, optimizing a rolling mill process lubricating system and annealing process parameters and the like; the problems that in the using process of a traditional steel belt, the thickness fluctuation is large, the plate shape quality is poor, and the surface quality is poor are solved.

This invention relates to the field of in-situ asphalt pavement recycling technology, specifically a high-frequency vibration scraping device, including a traveling vehicle, a blade holder, and an impact blade. A support frame is located at the front of the traveling vehicle, and a rotation adjustment component is provided between the support frame and the blade holder. A depth adjustment component is mounted on the rotation adjustment component. A high-frequency hydraulic impact device is mounted on the blade holder, and the impact blade is located at the front end of the high-frequency hydraulic impact device. A limiting seat for guiding the impact blade is provided on the blade holder. This high-frequency vibration scraping device allows workers to flexibly adjust the tilt angle of the blade holder and blade during asphalt pavement removal by rotating the adjustment component. This enables the device to adapt to the scraping angle required for removing different pavements, achieving precise and highly adaptable removal operations. The depth adjustment component precisely controls the cutting depth of the blade through a screw mechanism, which facilitates the separation of the surface layer material from other layers.

This invention belongs to the field of molding technology for laser imaging office equipment components, specifically a method for manufacturing a scraper. The scraper manufacturing method provided by this invention includes the following steps: S1 film molding; S2 removing the film, cleaning it to remove impurities and release agent from the film surface, obtaining a clean film; S3 preparing a coating according to the formula requirements; S4 uniformly applying the coating prepared in step S3 to the working position of the clean film obtained in step S2, obtaining a coated product; S5 drying the coated product obtained in step S4 to obtain a cured product, and cutting or slitting the cured product; S6 pasting the cut or slitting cured product from step S5 onto a metal bracket. The scraper manufacturing method provided by this invention, by coating a functional coating onto the PU film after molding, produces products with high qualification rates, strong versatility, reduced R&D costs, and increased product functionality.

The utility model discloses an asphalt blade coating device for waterproof coiled material processing, and relates to the technical field of coiled material processing. The device comprises an operation table, a first adjusting mechanism is arranged on the operation table, the first adjusting mechanism comprises a [-shaped frame fixedly connected to the top of the operation table, a [-shaped plate is slidably connected to the inner wall of the [-shaped frame, and sliding grooves are formed in the inner wall of the front side and the inner wall of the rear side of the [-shaped plate. The inner walls of the two sliding grooves are fixedly connected with first sliding rods, and the two first sliding rods are slidably connected with sliding blocks. According to the utility model, the first adjusting mechanism can adapt to the fluctuation of the thickness of the coiled material, so that the coiled material can be well attached to the surface of the coiled material no matter how the thickness of the coiled material changes, asphalt is uniformly scraped and coated on the coiled material, the overall quality of the waterproof coiled material is improved, meanwhile, the impact force can be effectively buffered in the scrape coating process, and the service life of the coiled material is prolonged. The damage to the coiled material caused by excessive pressure is avoided, and the integrity and the physical property of the coiled material are ensured.

This application discloses a servo turntable assembly for a center-driven vertical injection molding machine and the vertical injection molding machine itself, belonging to the field of intelligent manufacturing equipment. It includes a mold base, an upper mold-closing base, a lower mold-closing base, a turntable, a turntable servo assembly, a mold-closing linkage assembly, a mold-closing servo assembly, and a mold-closing fine-tuning assembly. This application has the effects of reducing injection molding machine energy consumption, reducing pollution, and improving mold-closing accuracy.

The utility model belongs to the technical field of aerial cables, and particularly relates to a highly wear-resistant aerial cable, which comprises a conductor and an insulating layer, the insulating layer is arranged on the peripheral side of the conductor, a heat-insulating layer is arranged on the peripheral side of the insulating layer, a heat-resistant reinforcing layer is arranged on the peripheral side of the heat-insulating layer, a heat-resistant layer is arranged on the peripheral side of the heat-resistant reinforcing layer, and a flame-retardant layer is arranged on the peripheral side of the heat-resistant layer. A protective layer is arranged on the peripheral side of the flame-retardant layer, and a wear-resistant coating is arranged on the peripheral side of the protective layer. According to the utility model, the problems that when the cable is exposed in the sun for a long time, the material on the surface of the cable is possibly subjected to thermal aging and further cracks due to poor high temperature resistance of the cable are solved, and the problem that the cable is loosened or fractured due to structural damage caused by frictional wear in the long-term use process is solved.

The present application relates to the technical field of waste plastic regeneration processing, and particularly relates to an ABS plastic particle intelligent grading production line and a production method thereof. The production line comprises a vibrating screen structure, a multi-layer screening structure, a feeding structure, a blockage prevention structure and an auxiliary cleaning structure. The multi-layer screening structure comprises longitudinally stacked screen frames. The blockage prevention structure comprises a rotatable central blockage cleaning rod arranged in the screen frame. The system realizes intelligent linkage and speed self-adjustment through feeding, screening, blockage cleaning and discharging, ensures the continuity and stability of production, perfectly matches the continuous feeding rhythm of downstream equipment such as an extruder and a granulator, significantly improves the operation rate of the whole regeneration production line, meets the intelligent demand of the ABS waste plastic regeneration production line, and the output can be directly and seamlessly connected to subsequent plasticizing and molding equipment, so that the intelligentization of ABS waste plastic from crushing, cleaning to high-quality regeneration processing is realized.

The application discloses a kind of water conservancy construction geotechnical sampling device and method, it is related to soil detection sampling technical field, including base, lifting mechanism, sampling execution mechanism;Sampling execution mechanism includes sampling column, drive assembly and inlay strip, sampling jaw;Drive assembly is used to drive sampling jaw swing;Inlay strip can be moved to outside relative to sampling jaw, to extrude soil at the edge of sampling jaw to outside displacement.The application in the process of jaw convergence, adjacent permanent magnet on inlay strip attract each other, drive inlay strip to move to outside.This action will be extruded soil at the edge of jaw to outside shear, displacement, so that disturbed soil is located at the outside of sampling jaw.Finally, the sample left in the inside of sampling jaw is substantially not subjected to lateral extrusion force, so as to maintain the original density, porosity and permeability of soil, ensure the reliability of detection data, reduce edge soil extrusion, maintain the physical properties of sample as is.