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75results about How to "Avoid problems such as breakage" patented technology

Preparation method and application of heat-resistant titanium alloy wires

ActiveCN109355530ADifferent tensile strength matchingPlastic different matchingTitanium alloyHeat treated
The invention provides a machining and manufacturing method and application of heat-resistant titanium alloy Ti60 wires. The method comprises the steps that Ti60 titanium alloy ingot castings are smelted by adopting a vacuum consumable smelting technology; the smelted Ti60 titanium alloy ingot castings are forged into rods by adopting a free forging technology; the Ti60 titanium alloy rods are finish-forged into thick rod blanks by adopting a finish forging technology; the Ti60 titanium alloy thick rod blanks are rolled into straight strip wire blanks by adopting a hot rolling technology; surface treatment is conducted on Ti60 titanium alloy annealing wire blanks, and pre-oxidation oxidation film hanging treatment is conducted after defects on the surfaces of the wire blanks are removed; continuous high-temperature drawing deformation is conducted on the Ti60 titanium alloy wire blanks obtained after surface treatment by adopting a straight wire drawing machine; the drawn wires are straightened by adopting electric heating tension; and annealing heat treatment is conducted on the straightened wires, and finally centerless grinding is conducted. According to the machining and manufacturing method and application of the heat-resistant titanium alloy Ti60 wires, through combination of different heat machining and heat treating technologies, different matching combinations of the tensile strength, the plasticity and the shearing strength can be obtained, and the heat-resistant titanium alloy Ti60 wires can be used for manufacturing advanced aerospace fasteners such as rivets, bolts and nuts and are used in the temperature range of 600-650 DEG C.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Capacitance-variable control structure, compressor and capacitance-variable control method thereof

The invention discloses a capacitance-variable control structure, a compressor and a capacitance-variable control method thereof. The structure comprises a capacitance-variable assembly and a slidingvane restraint unit (8), wherein the capacitance-variable assembly is arranged on the outer part of a shell (1) of the compressor to which the capacitance-variable control structure belongs, and is used for acting according to a setting sequence; and the sliding vane restraint unit (8) is arranged in a pump body of the compressor, and is used for enabling a capacitance-variable cylinder assembly in the compressor to be at a working state or an idling state under the control of acting of the capacitance-variable assembly according to the setting sequence. According to the technical scheme provided by the invention, the defects such as violent shaking, easiness in machine halt and easiness in breaking a pipeline in the prior art can be overcome, and the beneficial effects on reducing shaking, preventing machine halt, and preventing the pipeline from being broken are achieved.
Owner:ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION

Microelement capable of being tested and micro-transferred, manufacturing, testing and transferring method of microelement and display device

The invention provides a microelement capable of being tested and micro-transferred, a manufacturing, testing and transferring method of the microelement and a display device. A first electrode and asecond electrode of a LED chip extend to the surface of a bonding layer corresponding to a groove through the side wall of the LED chip respectively, so that the first electrode and the second electrode are exposed above the groove and play a role in supporting the LED chip in an inverted suspended state. And meanwhile, the first test electrode and the second test electrode can be used for carrying out an electrical test before the LED core particles are transferred, so that the yield screening of the LED core particles is realized, the LED core particles with abnormal electrical properties are prevented from being transferred to the substrate, and the repair cost is further reduced. And then, in a subsequent transfer process, metal of the first electrode and the second electrode exposed above the groove can be used as a chain for mass transfer, an exposed bonding layer is used as an anchor, and the micro-element is positioned to each anchor through transfer equipment, so that mass transfer of the micro-element can be realized.
Owner:XIAMEN QIANZHAO SEMICON TECH CO LTD

Yarn finishing device for textile machinery

The invention relates to the technical field of textile production, and specifically discloses a yarn finishing device for a textile machinery. The yarn finishing device for the textile machinery comprises a pedestal, a support frame is fixedly mounted at a left side of the pedestal through a bolt, moreover, at least three guide blocks arranged at equal distance are integrally formed on the support frame, a centering column is integrally formed on an upper end of each guide block, and a yarn cone for winding yarns is mounted on the centering column through sleeving connection. Beneficial effects: the yarn finishing device designed by the invention is convenient to use, can effectively sorting and ordering the yarns through ring-shaped yarn grooves on a traction roller and an adhesive roller, also can realize tensioning for the yarns through cooperation of a tensioning spring and the adhesive roller, and thus, can effectively avoid problems, such as breaking of the yarns caused by intertwining and friction among the yarns; moreover, the device also can effectively remove redundant fibers on the yarns through a vacuum pump and the adhesive roller, and consequently can effectively avoid interference on follow-up textile processing caused by the redundant fibers.
Owner:CHANGLE LITIAN KNITTING TEXTILE CO LTD

Online coating mechanism of RFID tag bonding machine and using method of online coating mechanism

The invention discloses an online coating mechanism of a RFID tag bonding machine and a using method of the online coating mechanism, and belongs to the technical field of RFID tags. According to theonline coating mechanism of the RFID tag bonding machine and the using method of the online coating mechanism, after chip bonding is completed, a protective film is additionally arranged on the surface of the chip to improve the impact resistance of the chip, so that the service life of existing products is prolonged, and the reliability of the products is improved. The coating mechanism is designed on an existing Bonding machine and is improved, so that the coating function is achieved without affecting the Bonding efficiency, and the mechanism with the coating function is obtained; and the position of the coating mechanism and the position of a performance testing or winding process device can be exchanged freely, so that the coating function is achieved in the Bonding process, and accordingly, the reliability of the chip is greatly improved while the cost is effectively controlled.
Owner:ARIZON RFID TECH YANGZHOU

Method for intelligent equipment to obtain operation network configuration by using access point function

The invention discloses a method for intelligent equipment to obtain operation network configuration by using an access point function. An operation network, the intelligent equipment and a mobile client side are included. The method comprises the following steps that: (1), the intelligent equipment radiates a WIFI signal with a preset security protocol; and the mobile client side automatically searches and is connected to the WIFI signal with the preset security protocol through a pre-set algorithm; and (2), login information of the operation network is set in the mobile client side; and the intelligent equipment is accessed to the operation network according to the login information of the operation network. According to the method for the intelligent equipment to obtain the operation network configuration by using the access point function provided by the invention, the intelligent equipment is unnecessary to manually operate; troubles when the intelligent equipment is operated can be reduced; the intelligent equipment is unnecessary to be provided with an input device and a display device; the complex degree of the intelligent equipment is reduced; the cost is saved; and the intelligent equipment is accessed to a local area network wirelessly, such that the problems of network line winding, breakage and the like can be avoided.
Owner:JIANGSU CHUANGYUAN ELECTRON CO LTD

Red copper brass new technique used by ore-smelting electric furnace

The invention relates to a method for manufacturing brass widely used as conductive element in ore-smelting electric furnace equipment in enterprises producing metallic silicon, ferrosilicon, calcium carbide and the like. The whole production technique mainly comprises the steps of adding trace lithium salt in red copper in melting and casting semicontinuously, hot rolling in set dimension, rough processing the blanks, drilling cooling deep holes, cold pressing and shaping, assembling into a whole, testing the finished product, etc. Cathode pure copper is selected as raw material compulsorily; deoxidation is carried out in melting to ensure the casting blank to be anaerobic copper ingot, and trace lithium salt is added, after casting and crystallizing, the compactness, corrosion resistance, high temperature resistance, abrasion resistance, impact resistance, hardness, electrical conductivity and thermal conductivity of the copper product are improved; the hot rolling process smashes bulky arborization crystal to cause crystalline grains to be thin, the fiber structure is continuous with being cut off the mechanical property, electrical conductivity and thermal conductivity are vastly enhanced; water holes are cooled by deep hole drilling machine processing; a press is used for performing cold pressing to roll the blank into arc shape; a boring machine and other equipments are used for boring out required cambered surface radius, electrical conduction joint parts and brass propping parts; and finally the parts are assembled into a whole, and the product is warehoused after passing the test.
Owner:GANSU MINGWANG ALUMINUM MATERIAL

LCD element and its making process

InactiveCN1146751CReally fixedAvoid problems such as complication of manufacturing stepsNon-linear opticsIdentification meansLiquid-crystal displayEngineering
A liquid crystal display element includes a pair of substrates made of plastic, a liquid crystal sandwiched between the pair of substrates, and a plurality of spacers for maintaining a gap d between the pair of substrates, and when x is an average value of thickness of the plurality of spacers in a state without a load in such a direction that the plurality of spacers are sandwiched between the pair of substrates, d and not more than 300 pieces / mm<2>. Further, in the liquid crystal display element, an elastic modulus of the spacers is set to be larger than that of the pair of substrates. Thereby, the movement of the spacers is suppressed and the rigidity of the substrates is improved. As a result, in the liquid crystal display element, color shading is suppressed while suppressing generation of bubbles in a vacuum region and reduction in contrast, thus obtaining desirable display quality of a display image.
Owner:SHARP KK

Concrete surface protection treatment method based on plasma hot-spraying technology

ActiveCN111575630AImprove frost resistanceImprove impermeability and durabilityMolten spray coatingWeather resistanceInorganic materials
The invention provides a concrete surface protection treatment method based on a plasma hot-spraying technology. According to the treatment method, firstly, high-pressure air at the temperature of 80DEG C to 100 DEG C is utilized to dry the surface of concrete; next, the high-pressure air is utilized to wrap and carry particles to roughen the surface of the concrete; then, high-pressure air at the temperature of 100 DEG C to 150 DEG C is utilized to flush and preheat the surface of the concrete; and finally, by the aid of plasma hot-spray equipment, a powdery inorganic non-metallic raw material with the particle size of 20 microns to 120 microns is used for hot-spraying an inorganic material protection layer on the surface of the concrete by adjusting the powder feeding rate, plasma power, the airflow rate, the moving velocity, the spraying distance and other parameters. Through the treatment method, the anti-freezing and anti-permeating abilities of the concrete are improved, the defects of poor weather fastness and short service life in traditional organic material protection coating brushing are overcome, and the method can be widely applied to surface protection on concrete prefabricated parts and cast-in-place concrete structures.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

Electronic wire connecting device with anti-falling function

The invention discloses an electronic wire connecting device with an anti-falling function in the technical field of electronic wire connection. The device comprises a fixing table, a fixing assemblyis arranged on the top surface of the fixing table, two side plates are symmetrically fixed to the left side of the fixing table, a limiting assembly is arranged between the two side plates, the fixing assembly comprises a plurality of first clamping plates and a plurality of second clamping plates, and the first clamping plates and the second clamping plates are evenly arranged at intervals. Electronic wires are placed in the limiting grooves in the fixing assembly, the electronic wires are limited in the limiting grooves under the action of the spring, the upper clamping plates and the lowerclamping plates, and therefore the positions of connectors of the electronic wires are limited through the limiting assembly, and a certain supporting effect is provided; the right side section of the electronic wire is placed between the first clamping plate and the second clamping plate at the corresponding positions, a first lead screw and a second lead screw are rotated through the motor, a first sliding block and a second sliding block move to drive the first clamping plate and the second clamping plate to get close to each other, the electronic wire is fixed, and the fixing effect of the electronic wire is improved.
Owner:章军伟

Plate composite forming machining equipment based on electromagnetic riveting and friction stir welding

The invention discloses plate composite forming processing equipment based on electromagnetic riveting and friction stir welding in the technical field of riveting equipment, which comprises a worktable, a mounting seat and a top plate, a movable screw and two positioning seats are arranged on the worktable, an electromagnetic riveting mechanism is arranged on the mounting seat, and a friction stir mechanism is correspondingly arranged on the top plate. A feeding assembly is arranged on one side of the friction stir mechanism. By cooperation of the stirring friction mechanism and the electromagnetic riveting mechanism, stable deformation locking structures are formed on the two sides of the bottom while a rivet and two plates are subjected to stirring friction solid-phase welding, and the plate riveting stability is improved; the protruding structures at the bottoms of the plates form an outer wrapping structure in a certain shape, and the problems of breakage and the like caused by the fact that the bottoms of rivets penetrate through the plates are solved; and riveting machining, feeding and discharging of the plate can be conducted at the same time through the two positioning bases, and the machining efficiency is improved.
Owner:CIVIL AVIATION FLIGHT UNIV OF CHINA

Three-way flange

InactiveCN102966821AFlexible pipeline designAvoid breakingFlanged jointsBranching pipesFlangeGasket
A three-way flange comprises first flanges, second flanges and gaskets which are arranged between the first flanges and the second flanges, wherein each first flange comprises a first flange plate and a first pipeline; each second flange comprises a second flange plate and a second pipeline; each gasket is arranged in a gasket groove in the middle part of the second flange plate, and the middle part of the first flange plate is provided with a convex edge which is matched with the gasket groove; and the second pipelines of three second flanges are welded together to form a tee joint. Targeting at a complicated pipeline design, the flange is designed into a three-way type, so that the three-way flange is applicable to a pipeline with multiple branches, the pipeline design is more flexible, and the problem that the three-way flange is broken when bearing high pressure can be effectively avoided through the design of a reinforcing rib.
Owner:广州铭泰船舶科技有限公司

Fixture for mechanical shock test on power semiconductor module, and test method

InactiveCN104949814AAvoid shell breakageSimplified Mechanical Shock Test ProceduresShock testingEngineeringTest sample
The invention discloses a fixture for a mechanical shock test on a power semiconductor module, and a test method. The fixture comprises a square bottom plate and four side plates, wherein the four side plates are vertical to the bottom plate and located on one side of the bottom plate respectively; sample installation holes for fixing test samples are formed in the bottom plate; the four side plates are paired in parallel to form a group respectively, wherein first fixed installation holes for X-axis directional installation on the installation table surface of a test bed are formed in the side plates of one group, and second fixed installation holes for Y-axis directional installation on the installation table surface of the test bed are formed in the side plates of the other group; third fixed installation holes for Z-axis directional installation on the installation table surface of the test bed are formed in the bottom plate. The method is a test method based on the fixture. The fixture and the test method disclosed by the invention have the advantages of being simple in structure principle, simpler and more convenient to operate, more accurate and reliable in test data, capable of effectively preventing the test samples from damages, and the like.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD
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