38results about How to "Small weight change" patented technology

The invention discloses an internal leakage quantity detection device of hydraulic valves. The internal leakage quantity detection device comprises a test bench (3), a support (5), a container (11), an oil inlet pipe (12), an oil outlet pipe (9), a funnel (8), a weighing sensor (7), a transmitter (6), a single-chip microcomputer system (4), a display module (1), a two-position two-way magnetic exchange valve (10) and a button (2). The inlet of the container enables leaked hydraulic oil leaked inside tested hydraulic valves to be stored inside the container (11) which is placed on the weighing sensor (7), the weighing sensor (7) and the transmitter (6) are placed on the support (5), weight of the leaked oil is converted into an electric signal through the weighing sensor (7) and the transmitter (6), the electric signal is converted into a digital signal through analog to digital (A / D) conversion, the digital signal is input into a single chip microcomputer and converted into internal leakage quantity through the single chip microcomputer, and the internal leakage quantity is displayed through the display module (1). The container (11) is specially provided with an outlet controlled by the magnetic exchange valve (10) to prevent the hydraulic oil from overflowing out of the container (11) during a measurement process, actual capacity of the container is measured through the single chip microcomputer, once the actual capacity exceeds the threshold value, measurement is stopped, the magnetic exchange valve (10) is opened through a relay, and the hydraulic oil inside the container (11) is discharged. The internal leakage quantity detection device measures the internal leakage quantity of hydraulic valves in an automatic weighing mode, can expand measurement range, can automatically measure minute leakage quantity, and can provide data basis for comprehensive assessment and performance improvement of batch quality of hydraulic valves.

The present invention relates to a method for weighing an electrode submerged in the charge of an electric smelting furnace. The electrode is moved in vertical direction at least once, whereafter the electrode is lifted and the weight of the electrode is registered shortly after the electrode has been lifted.

A process for producing a tablet characterized by performing high-speed direct compression with a moving speed of a pestle of 800 mm / s or more while compressing a powder which contains at least 15 to 80% by mass of cellulose, an active ingredient and a lubricant and has an angle of repose of 50° C. or less, a compression degree of 20% or more and an elongation at break of 30 μm or more.

The invention discloses a feeding device used in automatic weighting equipment. The feeding device comprises a material trough, a transmission mechanism and a distributing mechanism, wherein the transmission mechanism is used for driving the material trough to transport a material; the distributing mechanism is arranged at the discharge opening of the material trough; the distributing mechanism comprises one or more separating plates which divide the discharge opening into two or more discharging through openings. According to the feeding device disclosed by the invention, the distributing mechanism is arranged at the discharge opening to divide the discharge opening into multiple through openings, so that resistance is increased for the material sliding down; furthermore, the fast feeding time is prolonged, and the efficiency and the precision are improved during the entire feeding process.

A turbojet turbine or compressor stage, comprising at least one rotor disk mounted inside a sectorized ring (120) supported by a casing (116) and comprising a circumferential flange (132) radially clamped on an annular rail (136) of the casing by a substantially C-shaped cross-section annular locking device (138) which is axially engaged on the casing rail and on the flange of the ring, a substantially cylindrical heat shielding foil (146) being interposed between the ring and the device, the foil, or the device, comprising at least one extra thickness (150) which respectively bears on the device, or the foil, to radially immobilize this foil.

A turbojet turbine or compressor stage is disclosed. The stage includes at least one rotor disk mounted inside a sectorized ring supported by a casing and including a circumferential flange radially clamped on an annular rail of the casing by a substantially C-shaped cross-section annular locking device which is axially engaged on the casing rail and on the flange of the ring. A substantially cylindrical heat shielding foil is interposed between the ring and the device. The foil or the device includes at least one extra thickness which respectively bears on the device, or the foil, to radially immobilize this foil.

A process for producing wet ribavirin pellets is provided in order to make pharmaceutical dosages of ribavirin. The process is particularly useful as an alternative method for preparing pharmaceutical dosages of ribavirin that reduces the amount of ribavirin dust that is produced during the manufacturing process and allows for greater control of dissolution rates. According to the preferred embodiments, this method is accomplished through mixing ribavirin with at least one excipient into a uniform mixture, forming the mixture into a granulated mass by adding a wetting agent, shaping said granulated mass into soluble particles and drying the flowable particles. The process enables Ribavirin pharmaceutical pellets to be mixed with a binder and disintegrant to form a uniform mixture.

The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.

There is provided a crosslinkable elastomer composition, which has small decrease in weight to all of high concentration F radical irradiation, O2 plasma treatment and fluorine plasma treatment which are conducted in a semiconductor manufacturing process and significant plasma resistance, and a molded article comprising the crosslinkable elastomer composition.

The invention relates to a high-strength corrosion-resistant nickel-based polycrystalline high-temperature alloy and a preparation method thereof. The alloy comprises the following components of, in percentage by mass, 13%-17% of Cr, 15%-20% of Co, 0.1%-0.5% of Ti, 5.0%-5.5% of Al, 3.0%-7.0% of W, less than or equal to 0.5% of Si, less than or equal to 0.5% of Mn, 1.5%-2.0% of Nb, 0.04%-0.07% of Cand the balance Ni. Homogenizing treatment is conducted after smelting is conducted, hot rolling is conducted and finally heat treatment is conducted. The alloy has excellent strength and corrosion resistance, and the tensile yield strength of the alloy at a room temperature and 850 DEG C is higher than 900 MPa and 680 MPa respectively, and the alloy has excellent processing performance and structure stability at the same time.

The invention discloses a method for preparing a paint remover suitable for an epoxy group printed circuit board. The paint remover is extracted for a plurality of times through deionized water, and after separation, the paint remover is collected; a soldering tin material corrosion inhibitor is added into the paint remover to be uniformly mixed; then, a devolatilizer is added to be uniformly mixed; and a multiple thicker is added to be uniformly mixed, so that the paint remover suitable for the epoxy group printed circuit board is obtained. By the method, the paint of the epoxy group printed circuit board can be removed within a short time, the improved paint remover is used for swelling, a paint film surface is softened and wrinkled, so that obvious wrinkling and falling phenomena can be observed, a paint removing effect can be realized within a shorter time, time for removing the paint is shortened, and the production efficiency is increased.

The invention relates to the technical field of strain measurement, and especially relates to an installation process for a strain gauge, which is used for mounting the strain gauge on a turbine blade. The strain gauge includes a paster and a lead, and one end of the lead is fixedly connected to the paster; and the turbine blade includes a margin plate and a blade body disposed on an outer side ofthe margin plate. The installation process includes the following steps: performing hole-opening treatment on the margin plate to form a through hole penetrating the margin plate, and allowing the through hole to extend in a direction from the inner side to the outer side of the margin plate; and fixing the paster on the blade body, and making the other end of the lead wire pass through the through hole from the outer side of the margin plate to reach the inner side of the margin plate; and enabling the lead to be fixedly connected to the margin plate. The installation process can better fixthe lead of the strain gauge, and can also make a stress measurement value of the turbine blade closer to an actual working condition.

The invention relates to an oil and high temperature resistant acrylate rubber tube. The rubber tube comprises or contains the following components in parts by weight: 100 parts of acrylate rubber, 1-10 parts of light magnesium oxide, 1-5 parts of stearic acid, 1-5 parts of anti-aging agent TR-101, 1-5 parts of pentaerythritol ester, 5-15 parts of precipitated hard charcoal, 15-60 parts of natural gas semi-reinforced carbon black, 15-60 parts of fast extruding furnace black N550, 15-60 parts of heavy carbonic acid, 1-10 parts of plasticizer TP-95, 0.5-2 parts of sulfur, 0.5-5 parts of 1# accelerant, 0.5-5 parts of 2# accelerant and 0.5-5 parts of 3# accelerant. The rubber tube has the best physical and mechanical properties. Through tests, the hardness of the rubber tube is 70+ / -5 degrees, the tensile strength is more than 8MPa, the elongation at break is more than 200%, the rubber tube can be used for a long term in a 150 DEG C high-temperature oil medium environment, and the 3# oil weight change resistance is lower than 25%.

The present invention relates to a molded object and a method for manufacturing the same. The molded object according to the present invention has high density and enhanced properties such as flexural strength or tensile strength, has a small weight change caused by moisture absorption even when used for a long period of time, and has small changes in flexural strength, tensile strength and the like, and therefore, is suited to be used as household materials, industrial materials or the like.

A control method for an injection molding machine comprises the steps of measuring a density of a molten resin in a heating cylinder, controlling a stroke of an injection screw in an injection process by feed forward control based on the measuring step, and controlling an operating parameter of the injection molding machine based upon the measuring step.

The invention discloses an ecological rubble retaining wall and a construction method thereof,and belongs to the field of wall greening.The ecological rubble retaining wallis used for greeninga rubbleretaining wall surface and ensuring the overall stability and strength of the rubble retaining wall;the ecological rubble retaining wall comprises a rubble retaining wall body, an ecological cavity is formed in the rubble retaining wall body, wherein the ecological cavity penetrates through the rubble retaining wall body in the thickness direction of the rubble retaining wall body; the ecologicalunit used for plant growth is arranged inthe ecological cavity; the terminal end of the ecological unit is embedded in a backfill layer on the back side of the rubble retaining wall body, the front end is locked to the outer end surface of the rubble retaining wall body through a limiting panel, and a growth gap used for the plant growth from the ecological unit to the outer side of the rubble retaining wall body is formed in the limiting panel. According to the ecological rubble retaining wall and the construction method thereof, the ecological unit is filled in the ecological cavity and integrated with the rubble retaining wall body as a whole to ensure the integrity of the rubble retaining wall body; and the overall weight change of the rubble retaining wall body filled with the ecological unit is small, and the stability and strength of the rubble retaining wall body can be ensured.

An addition-curable silicone composition comprising a phenyl group and capable of obtaining a cured product excellent in heat resistance, with little weight change and little discoloration at high temperatures. The addition-curable silicone composition of the present invention comprises the following components: (A-1) branched organopolysiloxane represented by formula (1); (A-2) linear organopolysiloxane represented by formula (2) Organopolysiloxanes, (B) organohydrogenpolysiloxanes, which have at least 2 or more hydrogen atoms bonded to silicon atoms in one molecule; (C) polyorganometallic siloxanes, containing Si‑O -Ce bond and Si-O-Ti bond, the Ce content is 50-5000ppm, the Ti content is 50-5000ppm, the viscosity at 25°C is 10-10000mPa·s, relative to the total number of organic groups contained in one molecule, having at least 10 mole percent aryl groups; and (D) a hydrosilylation catalyst comprising a platinum group metal.

The invention relates to the technical field of woven fabric detection, and provides a sock detection device capable of converting friction speed by utilizing air permeability. The device comprises afirst rotating shaft, and is characterized in that the outer wall of the first rotating shaft is fixedly connected with a rotating wheel, the inner wall of the rotating wheel is movably connected witha first gear, the outer wall of the first gear is provided with a stand column, the outer wall of the stand column is movably connected with a linkage rod, and the outer wall of the linkage rod is movably connected with a sliding block. According to the sock detection device capable of converting friction speed by utilizing air permeability, a fan blows water vapor into a rotating block, a friction block can extrude a sponge to extrude water into a water outlet, the water flows into an evaporation box from the water outlet, the water vapor penetrates through socks to reach the outside to be absorbed by the sponge, the socks are good in air permeability if the weight change of the sponge is large, a wire performs magnetic field cutting motion between magnetic poles, the wire generates static electricity, fiber yarn leaking out of silk yarn for weaving the socks is attracted out to form pellets, and the air permeability and the pilling degree are detected.

The invention relates to the technical field of strain measurement, and especially relates to an installation process for a strain gauge, which is used for mounting the strain gauge on a turbine blade. The strain gauge includes a paster and a lead, and one end of the lead is fixedly connected to the paster; and the turbine blade includes a margin plate and a blade body disposed on an outer side ofthe margin plate. The installation process includes the following steps: performing hole-opening treatment on the margin plate to form a through hole penetrating the margin plate, and allowing the through hole to extend in a direction from the inner side to the outer side of the margin plate; and fixing the paster on the blade body, and making the other end of the lead wire pass through the through hole from the outer side of the margin plate to reach the inner side of the margin plate; and enabling the lead to be fixedly connected to the margin plate. The installation process can better fixthe lead of the strain gauge, and can also make a stress measurement value of the turbine blade closer to an actual working condition.

The present invention relates to a sandwich panel and a method of manufacturing the same. The sandwich panel according to the present invention has high density and improved physical properties such as flexural strength, flexural modulus, bending strength and lightening weighting ratio and is suitable for use in various consumer products or industrial materials.

There is provided a crosslinkable elastomer composition, which has small decrease in weight to all of high concentration F radical irradiation, O2 plasma treatment and fluorine plasma treatment which are conducted in a semiconductor manufacturing process and significant plasma resistance, and a molded article comprising the crosslinkable elastomer composition.

The invention discloses a high-temperature oil-resistant chlorosulfonated polyethylene rubber tube, which comprises the following components: chlorosulfonated polyethylene rubber (CSM TS-830), fast extruding furnace black (FEF N550), diatomaceous earth C400, NycoflexADB30, activated magnesium oxide, stearic acid, SRP66, Naugard445, pentaerythritol (pasty), tetrabenzylthiuramdisulfide and N,N'-M-phenyl dimaleimide. The produced high-temperature oil-resistant chlorosulfonated polyethylene rubber tube has optimal material performance: the hardness is 70+ / 5 degrees, the tensile strength is greater than 10 MPa, elongation at rupture is greater than 200 percent and IRM903 oil-resistant weight change is lower than 60 percent; compared with a conventional product, the high-temperature oil-resistant chlorosulfonated polyethylene rubber tube has the advantages that the performance is greatly improved, and a requirement for resistance to high-temperature oil is met.