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288results about How to "Improve mass production efficiency" patented technology

Forming method of chalcogenide glass aspherical lens

ActiveCN104310755AEfficient quality batch manufacturingEfficient batch manufacturingGlass pressing apparatusGlass press-moulding apparatusChalcogenide glassRoom temperature
A forming method of a chalcogenide glass aspherical lens is disclosed. The method includes: a) subjecting a chalcogenide glass prefabricated part to three times of heating in a preheating device to raise the temperature of the prefabricated part from room temperature to a temperature T1, with the temperature T1 being near the yield temperature At of the material; b) maintaining the temperature of a cavity and a core at T2 under the actions of heating elements, with the temperature T2 being 5-10 DEG C lower than the conversion temperature Tg of the material, transferring the prefabricated part having the temperature T1 into a mould pressing cavity formed by the cavity and the core; maintaining the temperature of the prefabricated part to be around the yield temperature At of the material, and applying a pressing force P1 on to the cavity and the core simultaneously for a time period of t1 to allow the prefabricated part to be turned into the chalcogenide glass aspherical lens by mould pressing; c) maintaining the pressing force P1 for a time period of t2, and cooling the temperature of the forming mould and the chalcogenide glass aspherical lens to a temperature T3; d) transferring the chalcogenide glass aspherical lens to a cooling bath, performing three times of cooling to cool the chalcogenide glass aspherical lens from the temperature T3 to room temperature, and taking the chalcogenide glass aspherical lens out; and e) putting the chalcogenide glass aspherical lens into a tempering device and tempering for 12-36 h.
Owner:沈奕芸

Air sealing body with air inlets capable of being opened quickly

The invention discloses an air sealing body with air inlets capable of being opened quickly. The air sealing body comprises two outer films and two narrow inner films, wherein the two outer films and the two inner films are connected together in a heat-seal mode, and an inflation channel and a plurality of air columns are formed through a first heat-seal line. The two inner films extend to the two opposite inner sides and the upper edges of the two outer films respectively along the first heat-seal line, and the top edges of the two inner films and the upper edges of the two outer films are integrally connected in a heat-seal mode. The inner surface of at least one inner film is provided with a plurality of air guide portions. The air guide portions are arranged corresponding to the air columns and coated with heat-resisting materials. Each inner film is provided with a plurality of air guide holes which are formed between the air guide portions and the upper edge of the inner film. When inflation is conducted through the inflation channel, air enters the air guide holes, the air guide portions and the corresponding inner films form a flow guide channel, the air is quickly injected into the air columns to fill up the air columns, and internal pressure is generated to press the two inner films, so that the air is prevented from leaking outside. As a result, the air sealing body with the air inlets capable of being opened quickly can conduct inflation quickly, effectively simplify the manufacturing and connection process of the inner films and the outer films, and lower the manufacturing cost.
Owner:KUNSHAN AIRBAG PACKING CORP

Flexible fireproof cable

A flexible fireproof cable belongs to the technical field of cables. The flexible fireproof cable comprises a cable core and a sheath. The cable core is formed by stranding a plurality of insulated wire cores. Each insulated wire core is composed of a conductor and a fireproof insulating layer. The flexible fireproof cable is characterized in that the fireproof insulating layers are of a composite double-layer insulating structure, a polymer composite ceramic polyolefin material is arranged in an extruding manner outside the cable core as a fireproof protective layer, and the sheath is arranged outside the fireproof protective layer. The materials of the flexible fireproof cable are halogen-free and environment-friendly materials which have no pollution to the environment and meet the requirement of modern people for environmental awareness. The fireproof layer of the cable is made of 'polymer composite ceramic polyolefin' which is a novel material, so that the outer diameter, manufacturing cost and production cycle of the cable are reduced and the production efficiency is improved under the condition of ensuring that the cable has the same fireproof performance. Moreover, the structure of the fireproof layer can form a hard shell after combusted at high temperature, so that a line can be protected from damage by stress, and the cable is enabled to work normally for a long period of time under the action of flame.
Owner:宝胜(宁夏)线缆科技有限公司

Powder core vacuum insulation panel for building and preparing method thereof

The invention discloses a powder core vacuum insulation panel for a building and a preparing method of the powder core vacuum insulation panel. Calcium silicate hydrate powder, silicon dioxide powder, reinforced fibers and auxiliary materials are fully mixed, the mixed powder is pressed to be formed and dried, a dried powder core is wrapped by non-woven fabric and put into a high-barrier-property composite film bag, and the powder core is manufactured in a heat seal mode after vacuum pumping is conducted, wherein the calcium silicate hydrate powder is prepared by calcium raw materials and silica raw materials through a liquid chemistry reaction. According to the powder core vacuum insulation panel for the building, the calcium silicate hydrate powder serves as the main raw material of the powder core, weight is low, price is low, and the powder core is resistant to fires and flames, has good compression strength and a low heat conduction coefficient and can be applied to the field of building wall insulation. The invention further provides a preparing method of the powder core vacuum insulation panel for the building. The preparing method is simple and high in volume production efficiency.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Non-isothermal mold pressing method for glass optical element

The invention discloses a non-isothermal mold pressing method for a glass optical element. According to the method, the steps of glass preformed piece preheating, mold pressing shaping, optical element cooling and the like are performed in parallel in the mold pressing process, and the glass preformed piece preheating temperature and the mold pressing temperature are respectively controlled. The method mainly comprises the steps: preheating, namely heating a glass preformed piece to the temperature T1 in a preheating tank; pressurizing, namely maintaining the mold upper die and the mold lower die to the temperature T2 under the action of the heating device, wherein T1 is more than T2, arranging the preformed piece in a mold pressing cavity, applying pressure to the upper die and the lower die, heating the mold to be T3, maintaining for a certain period of time, and performing die forming on the preformed piece to form an optical element; annealing, namely slowly reducing the temperature of the optical element to be T2 in the mold pressing cavity; and cooling, taking the glass optical element from a die cavity, and cooling the optical element to be room temperature on a cooling plate. The method has the advantages of prolonging the service life of the mold pressing die and improving the batch production efficiency of the glass optical element.
Owner:吴佑林

Method for quickly detecting thickness of lower surface of blade in high-temperature thermal state

The invention provides a method for quickly detecting the thickness of the lower surface of a blade in a high-temperature thermal state and aims at solving the problem of low detection efficiency of a traditional method. The method is characterized in that an inner cambered surface floating detection sample plate and a back cambered surface floating detection sample plate which are matched with the inner cambered surface and the back cambered surface of the blade to be detected are respectively manufactured according to the shape of the blade to be detected, detection regional holes are respectively and correspondingly cut and formed in the inner cambered surface floating detection sample plate and the back cambered surface floating detection sample plate according to the position of the thickness of the surface to be detected on the blade to be detected, then the inner cambered surface floating detection sample plate and the back cambered surface floating detection sample plate tightly adhere to the inner cambered surface and the back cambered surface of the blade to be detected, and then a pair of outside calipers is utilized to detect the thickness of a blade forge piece between the detection regional holes in the inner cambered surface floating detection sample plate and the back cambered surface floating detection sample plate of the blade to be detected.
Owner:WUXI TURBINE BLADE

Conducting shoe material and manufacturing method thereof

The invention discloses a conducting shoe material and a manufacturing method thereof. The conducting shoe material is prepared from polyvinyl chloride, a composite conducting component consisting of conducting fiber and conducting powder, and an aid, wherein the composite conducting component is pretreated with a stearic acid-coupling agent treating liquid. The manufacturing method comprises the following steps of: (1) pretreating: pretreating the conducting fiber and the conducting powder through the stearic acid-coupling agent treating liquid; (2) mixing: mixing the polyvinyl chloride, a plasticizer and a stabilizer at a high speed, adding a foaming agent, a solubilizer and the composite conducting component pretreated with the stearic acid-coupling agent treating liquid for mixing; (3) extruding: plasticizing and extruding a mixed material, and cutting to obtain particles; and (4) injection molding: performing injection molding on the particles through an injection molding machine at the temperature of 160 DEG C to obtain a finished shoe material. In the conducting shoe material disclosed by the invention, the conducting component is uniformly dispersed, an effective conducting network can be formed, and cost is low. The manufacturing method has a simple structure and low cost, and can be applied to large-scale production.
Owner:SHENZHEN SELEN SCI & TECH CO LTD
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