9results about How to "Achieve thickness" patented technology

The present invention belongs to the technical field of electrolytic copper foil. The present invention provides an electrolyte for ultra-thin electrolytic copper foil, in which the mass concentration of copper sulfate is 175-260 g / L, the mass concentration of inorganic acid is 80-100 g / L, the mass concentration of additive is 1-5 g / L, the mass concentration of complexing agent is 3-8 g / L, the mass concentration of conductive polymer is 0.5-3 g / L, and the mass concentration of hydrolyzed collagen is 0.1-0.5 g / L. The present invention also provides an ultra-thin electrolytic copper foil and a preparation method thereof. The present invention significantly reduces the thickness and roughness of the copper foil by controlling the components of the electrolyte and their concentrations and the electrodeposition process parameters, while improving the mechanical properties, antioxidant properties and electrochemical properties of the copper foil. The ultra-thin copper foil of the present invention can be produced continuously without tearing, achieving a double breakthrough in the ultra-thin thickness and mechanical properties of the copper foil.

A movable slope angle and thickness control tool relates to the field of building general equipment, and comprises a bottom frame, a measuring support is arranged on the bottom frame, the measuring support is of a parallel connecting rod structure, and a lateral connecting rod in parallel connecting rods is grounded; an angle measuring scale is arranged between the measuring support and the underframe support, and a length measuring scale is arranged on the measuring support. The angle measuring scale can be used for adjusting and determining the angle of the side slope, the thickness of the side slope is controlled according to the length measuring scale, the time for paying off and reading and measuring the elevation can be saved, the time for plastering a cake is saved, and the operation process is optimized. And the device is movable and can be moved according to the construction progress, and operation is convenient.

The utility model discloses a novel vehicle-mounted multimedia host display screen fitting panel assembly. The assembly comprises a chromium-plated decorative frame, a display screen fitting panel and three rectangular double faced adhesive tape parts. According to the display screen attaching panel, the chromium-plated strip decoration frame is positioned on the panel through the peripheral positioning columns, then the panel and the chromium-plated strip decoration frame are riveted into a whole through circular hot melting points, peripheral circular hot melting points and rectangular hot melting points on five areas in the middle of the hot melting panel, and finally three rectangular double faced adhesive tapes are attached to the corresponding attaching positions of the panel. The display screen fitting panel is provided with rectangular hot melting blocks and hot riveting columns which are distributed in a U shape and play a role in limiting, and the hot riveting columns in five plane areas in the middle are added, so that the positioning precision and the reliability of hot melting are guaranteed. The honeycomb-shaped reinforcing ribs on the back of the panel ensure the strength of the panel; the installation of the host rear shell assembly is ensured by the buckling positions and the screw columns on the back of the panel; and the nail columns and the positioning columns at the rear part of the panel are used for mounting a circuit board assembly and a rear bracket of the multimedia host.

The present invention relates to the technical field of sewage sampling, and more specifically, to an integrated sewage sampling device and sewage treatment equipment, including a sampling tube, a gas plug movably installed on the top of the sampling tube, a flow valve provided at the bottom of the sampling tube, a cavity for accommodating sewage provided in the middle of the sampling tube, and the middle cavity of the sampling tube is vacuumed before sewage extraction. The present invention controls the flow of circulating liquid inside the deep pipe by a circulating pump. At this time, the pressure difference at both ends of the magnetic column changes, and the magnetic column slides in the deep pipe under the thrust, and drives the slider to move synchronously through the magnetic force, so as to accurately and efficiently move the sampling tube to a sewage sampling position at a predetermined depth. The whole process does not require additional assistance and pushing by the staff, is simple and convenient, and the sampling control is accurate and efficient, saving manpower and material resources, and improving the overall efficiency of sewage treatment.

This invention relates to the field of aviation safety monitoring technology, and discloses a fiber optic dual-line icing detection system and method. It employs Raman scattering distributed optical fibers laid in high-icing areas on the upper surface of the wing to monitor temperature data in the corresponding areas; FBG fiber gratings with a metal coating are bonded along the spanwise direction of the wing skin to stress concentration areas to monitor strain data in the corresponding areas; the temperature and strain monitoring data are demodulated separately; the demodulated temperature and strain data are received, and icing is determined and thickness assessed using a preset icing identification algorithm; during flight, the icing situation is sensed by changes in ambient temperature and ice pressure caused by icing at the installation location, and the signal is transmitted to the anti-icing and de-icing system, improving reliability and safety during flight.

The invention discloses hollow cathode auxiliary active screen vacuum diffusion coating integrated equipment and an application method thereof. The equipment comprises a vacuum diffusion coating chamber, a vacuum system, a gas control system, an active screen, a hollow cathode system, a workpiece objective table and a power supply control system, the vacuum diffusion coating chamber obtains high vacuum degree and required working atmosphere through a vacuum system and a gas control system; and the power supply control system independently controls the potentials of the active screen, the workpiece objective table and the hollow cathode system. The hollow cathode system not only provides diffusion coating layer sputtering atoms, but also improves the ionization rate of diffusion gas; due to the design of the active screen, elements on the metal surface can be uniformly diffused and permeated, and the utilization rate of sputtering particles is increased; through cooperation of the active screen and the hollow cathode system, the enhanced diffusion coating integrated function is achieved. The method is wide in application range, provides a firm technical support and a reliable solution for the vacuum surface treatment industry, and has huge economic benefits.

This invention relates to the field of enameled wire production technology, and more particularly to an insulating varnish and enameled wire based on nanocomposite materials. The insulating varnish comprises the following components by weight percentage: polyester resin: 40-60%, amide-imide resin: 15-25%, xylene: 10-25%, N-methylpyrrolidone: 5-15%, nano-silica: 1.0-5.0%, nano-alumina: 0.5-2.0%, fluorinated surfactant: 0.5-2.5%, epoxy resin tackifier: 0.2-2.0%, antioxidant: 0.2-0.5%, and ultraviolet absorber: 0.1-0.5%. This invention significantly improves the mechanical strength, abrasion resistance, and heat resistance of the varnish layer by introducing nano-silica and nano-alumina; improves the wettability and adhesion of the varnish by adding fluorinated surfactant; and enhances the adhesion and durability of the varnish layer by using epoxy resin tackifier.

The invention relates to the technical field of sewage sampling, in particular to an integrated sewage sampling device and sewage treatment equipment.The integrated sewage sampling device comprises a sampling pipe, an air plug is movably installed at the top of the sampling pipe, a flow valve is arranged at the bottom of the sampling pipe, and a cavity for containing sewage is formed in the middle of the sampling pipe; and the middle cavity of the sampling pipe is vacuumized before the sewage is extracted. Flow of circulating liquid in the depth pipe is controlled through the circulating pump, at the moment, the pressure difference between the two ends of the magnetic suction column changes, the magnetic suction column slides in the depth pipe under the action of thrust, and the sliding block is driven to synchronously move under the action of magnetic force, so that the sampling pipe can accurately and efficiently reach a sewage sampling position at a preset depth, and the sampling efficiency is improved. The whole process does not need extra assistance and pushing by workers, is simple and convenient, is accurate and efficient in sampling control, saves the consumption of manpower and material resources, and improves the overall efficiency of sewage treatment.

The invention discloses a carbon fiber production process and relates to the technical field of carbon fiber production. The drying unit is used for leading the carbon fiber filaments drawn out from the coiled carbon fiber filaments to a dryer; the cutting unit is used for cutting the carbon fiber yarns conveyed from the drying unit; the first negative pressure unit is used for carrying out negative pressure treatment on the cut long carbon fiber yarns conveyed from the cutting unit to obtain a fluffy carbon fiber layer; the second negative pressure unit is used for carrying out secondary negative pressure treatment on the fluffy carbon fiber layer conveyed from the first negative pressure unit to obtain a carbon fiber web; the extrusion unit is used for carrying out extrusion treatment on the carbon fiber web tire conveyed from the second negative pressure unit; and the needling unit is used for carrying out pre-needling and re-needling treatment on the extruded carbon fiber net tire. The production line has the advantages that automatic production from the carbon fiber filaments to the carbon fiber soft felt is achieved, all the units are continuously arranged and located on the same production line, transportation of finished products machined by all the units is avoided, and manual labor is greatly reduced.