144results about How to "No thermal deformation" patented technology

A laminated body of a motor includes: a yoke part having a belt shape with a long length in comparison with its width and spirally laminated to form a hollow cylindrical shape; a plurality of teeth parts protruding from one side edge of the yoke part in a width direction and disposed along a longitudinal direction in an isolated manner at a predetermined distance; a stopping protrusion extendingly formed at a protruding end of the teeth part in a longitudinal direction of the yoke part; and an inclined portion having an inclined surface formed by decreasing a width of the stopping protrusion toward its end so as to reduce cogging torque, so that a minimum passage for a winding nozzle is provided while cogging torque is reduced. A laminated body of a motor includes: a yoke part having a belt shape with a long length in comparison with its width and spirally laminated to form a hollow cylindrical shape; a plurality of teeth parts protruding from one side edge of the yoke part in a width direction and disposed along a longitudinal direction in an isolated manner at a predetermined distance; and a protrusion receiving groove recessed in one side of the teeth part along a thickness direction and a coupling protrusion protruding from its other side along the thickness direction of the teeth part to be inserted and fixed by each other, so that defective measurement and an increase in production time caused by welding operation are prevented.

An in-situ laser repairing method for the rotor shaft of electric generator or turbine includes such steps as nondestructive inspection and cleaning, laser smelting for repairing, and mechanical shaping. It features that after the alloy powder is attached to the rotating rotor shaft, the laser beam is used to radiate the rotor shaft and the water is used as cooling medium, the stepless speed regulator is cooperating with the winder of in-situ electric generator set, and when it is mached, the rotor shaft is static and the cutting tool is moving around it.

The present invention relates to methods and apparatuses for transferring pattern, a flexible display panel, a flexible solar cell, an electronic book, a thin film transistor, an electromagnetic-shielding sheet, and a flexible printed circuit board applying thereof. A pattern transfer method related to the present invention comprises: a first step of forming a pattern material on a substrate; a second step of hardening the pattern material in the solid state; a third step of patterning the pattern material by irradiating a laser beam to the hardened pattern material in the solid state; and a fourth step of pressing the patterned pattern material in the solid state and a flexible substrate facing each other and transferring the pattern material to the flexible substrate by a viscous force of the flexible substrate occurring in a facing part between the pattern material and the flexible substrate by irradiating the laser beam from the pattern material to the flexible substrate or from the flexible substrate to the pattern material.

The invention relates to a fin type evaporator which comprises a fixed plate, single column or multiple columns of refrigerant coil pipes mounted on the fixed plate and a plurality of fins sheathed on the refrigerant coil pipes, wherein a groove is formed on each fin, a heater pipe clamp for defrosting is mounted in each groove, and each fin is provided with a hem for stably clamping a heater pipe along the edge of the groove. The invention further relates to a refrigerator using the evaporator. The fins of the evaporator are provided with the hems for clamping the heater pipes along the edges of the grooves, and the arrangement of the hems change the traditional line contact to the surface contact, thereby reducing the heat transfer resistance between the heater pipes and the fins, shortening the defrosting time, saving the defrosting energy consumption of the evaporator and mounting the heater pipes on the evaporator more firmly.

The heat-sealing device of bagging machine comprises lower die component, upper die component, coupled bar and pneumatic pressure device, the lower end of the coupled bar is connected with power source, its upper end is connected with pneumatic pressure device, its lower die component includes lower die, lower connecting plate and lower cross beam which are connected together from top to bottom, and the upper die component includes upper die, upper die fixing plate and upper cross beam which are connected together from bottom to top. The upper cross beam is connected with pneumatic pressure device, and the upper die is equipped with heating element. Said invention can be used for heat-sealing various plastic bags, and its structure is simple and operation is convenient.

The invention relates to a pulse charging method used for prolonging VRLA battery service life. The invention aims at provides a pulse charging method used for prolonging VRLA battery service life, such that the service life of a valve-regulated lead acid battery is prolonged. The invention adopts a technical scheme that, a VRLA battery has an output voltage of U and a capacity of C. The method is characterized in that the method is preceded in three sections which are a section A, a section B, and a section C. In the section A, constant-current charging is carried out with a charging limited current I. In the section B, periodic-change charging is carried out with constant current of the limited current I and constant-voltage of a second charging voltage U2. In the section C, periodic-change charging is carried out with constant-voltage of a first charging voltage U1 and constant-voltage of the charging voltage U2. In the section A, when a voltage is increased to U1, the process turns to the section B. In the section B, when the battery is charged to almost full, the process turns to the section C. The invention is suitable to be used in a field of storage battery charger.

The invention relates to a high velocity and high precision constituting method for collaterally elaborating a tyre mould, comprising the following steps of a concurrence of designing and manufacture processing; a concurrence of designing and material purchasing; a concurrence of technology planning, rough machining and semifinishing; a concurrence of designing and numerical control process programming; and an elaboration for a single piece with high velocity and high precision. The high velocity and high precision constituting method for collaterally elaborating a tyre mould has the advantages of improving an elaborating precision of a product, shortening a delivery date for the mould and reducing the cost, and is suitable for collaterally elaborating the tyre mould with high velocity and high precision.

The invention provides a high-temperature tensile testing machine which comprises a hand wheel, an adjusting bolt, a pressure sensor, a displacement sensor, an upper connecting rod, a stretching end,a high-temperature resisting adhesive, a fixing end, a lower connecting rod, a high temperature electric heating furnace, a heating element, a temperature measuring element, a temperature control device, a furnace wall, a furnace door, a support frame, a measuring system, a pressurizing frame, a base and a rock sample. The high-temperature tensile testing machine is capable of realizing the tensile strength test for the rock sample under the high temperature condition, is capable of accurately acquiring the tensile strength of the rock sample under high temperature state and has significance in the construction structure safety on the fire scene.

The invention relates to a vehicle-mounted water cutting system. The vehicle-mounted water cutting system comprises a water pressurization system and a cutting system, wherein the water pressurization system is connected with an engine power takeoff and a water supply system; a grinding material mixing device is arranged between the water pressurization system and the cutting device; an overpressure protection device is arranged between the grinding material mixing device and the water pressurization system. The vehicle-mounted water cutting system has the beneficial effects that the vehicle-mounted water cutting system is directly configured and arranged on a vehicle by adopting a modular structure; an original engine of the vehicle is utilized as power, and thus the inconvenience that the power is additionally configured is prevented; the whole equipment is arranged and integrated on the vehicle, and is flexible and quick to move; without power supply or other auxiliary facilitates, the work in any environment can be realized; the cutting process is free of high temperature, open fire or static electricity, the molecular structure of a cut object is not damaged, and thermal deformation and chemical transformation can be avoided.

The invention relates to a sealing structure and a sealing method of a non-welded metal plate single cell, the sealing structure comprises a single cell formed by stacking an anode plate, a membrane electrode and a cathode plate together, an air main channel is communicated with a cathode flow field through an air side air inlet duct and a negative plate air side boss, and a hydrogen main channel is communicated with an anode flow field through a hydrogen side gas inlet duct by penetrating through a hydrogen side boss of an anode plate; the anode plate air side boss is communicated with the anode plate water side boss through a first channel, a first communication hole is formed in a membrane electrode frame between the anode plate water side boss and the cathode plate water side boss, and the cathode plate water side boss is communicated with the cathode plate hydrogen side boss through a second channel; and sealing rings are formed in the anode plate air side boss, the first channel, the anode plate water side boss, the cathode plate water side boss, the second channel and the cathode plate hydrogen side boss through integrated glue injection. The sealing structure and the sealing method are high in reliability, low in production cost and high in production efficiency.

The invention discloses a composite sheet structure for decoration by taking PET/PVC as main materials, wherein the composite sheet structure structurally comprises a PVC sheet (6), a tackifying layer (5) on the PVC sheet (6), a hot melting glue layer (4) on the tackifying layer (5), a priming coat layer (3) on the hot melting layer (4), a polyester film layer (2) on the priming coat layer (3) and a surface hardening layer (1) on the polyester film layer (2). The PVC sheet disclosed by the invention cannot deform thermally; the laminated PET surface hardening layer can enable the surface hardness of the PVC sheet to achieve 2H above, and the surface is relatively bright; the composite sheet structure can absorb ultraviolet rays, slow down the light aging speed of the PVC sheet, improve the weather resistance of PVC resin, and prolong the service life, can obstruct micromolecule additives, such as a plasticizing agent in the PVC sheet, from migrating toward the surface, reduce harm to human bodies, and also can greatly improve the tear resistance performance and toughness of the PVC sheet, and improve the mechanical intensity of the PVC sheet.

The invention discloses a laser continuous cutting device used for cutting a saw belt and a cutting method. The laser continuous cutting device aims to solve the problems that continuous cutting and forming of sawteeth can not be achieved, tool auxiliary time accounts for a high percentage, and cutting efficiency is low in the prior art. The laser continuous cutting device comprises a base which is sequentially provided with a driving friction roller used for regulating feeding speed of the saw belt, a pressing wheel set used for pressing the saw belt, a work platform and a driving wheel set driven by a driving device; a laser head which is arranged on a Z shaft for cutting the saw belt is arranged above the work platform; the work platform is provided with a feeler block and a transverse locating mechanism used for locating the saw belt; during cutting work, the speed of a sliding platform X1 is the same as the feeding speed of the saw belt. The laser cutting sawtooth continuous forming technique does not need a milling cutter, and the sawteeth in any two-dimensional shapes can be correspondingly manufactured very rapidly.

The invention provides a degradable odor generation element for a non-burned cigarette. The odor generation element is made of biodegradable polylactic acid monofilaments, and is formed by preparing several polylactic acid monofilaments into a rope or knitted fabric structure through one or more processes of weaving, knitting and twisting and then carrying out cutting. The odor generation elementfurther comprises polylactic acid monofilaments without perfume and polylactic acid monofilaments with perfume adhering to the surfaces after treatment, and when a hot airflow passes through a longitudinal extension channel defined by the polylactic acid monofilaments, the original odor of smoke and a generated volatile aroma are kept respectively. The process is simple, and the production efficiency is high; the adopted polylactic acid monofilaments have good biodegradability and environmental friendliness.

The invention discloses a method for remedying water-eroded defects on the finished surface of an engine cylinder block and belongs to the technical field of engine cylinder block refabrication. The method includes: polishing the defective surface to expose a cylinder block body; polishing sharp corners or edges on the cylinder block body; removing oil at defective positions; re-polishing; cleaning the defective positions; remedying the defective positions by electric spark ionic microwelding to make the welded positions level to the finished surface of the cylinder block; polishing the welded positions to make the welded positions lower than the finished surface of the cylinder block; remedying the welded positions by pulse cold welding to make the welded positions higher than the finished surface of the cylinder block; and polishing the welded positions to make the welded positions level to the finished surface of the cylinder block. The method effectively guarantees fine bonding of welding material and substrate during welding. The electric spark ionic microwelding is reasonably combined with the pulse cold welding, so that efficiency is increased and the remedied texture is kept dense and non-defective.

The invention relates to a packaging-after etching three-dimensional system-on-chip upright stacking packaging structure and a technology method. The packaging-after etching three-dimensional system-on-chip upright stacking packaging structure comprises a base island and pins, a chip is arranged in the front of the base island through conducting materials and non-conducting materials; the front of the chip is connected with the fronts of the pins through metal wires; conducting posts are arranged in the fronts of the pins; the region on the periphery of the base island, the region between the base island and the pins, the region between the pins, the region above the base island and the pins, the region below the base island and the pins, the chip, the metal wires and the conducting posts are all wrapped with molding compounds; packaging bodies are arranged on the tops of the conducting posts or the backs of the pins through conducting materials. The e packaging-after etching three-dimensional system-on-chip upright stacking packaging structure and the technology method have the advantages of solving the problem that because a bottom-layer substrate welding disc is lower than a bottom-layer plastic packing surface in a traditional substrate packaging stacking mode, the quality of interconnected welding balls between the packaging bodies is hard to control.

The invention relates to a double-fast-curing repair finish paint for a car body and a preparation method of the finish paint. The finish paint comprises the following components by weight: 40-60 parts of low polymer A, 20-30 parts of low polymer B, 3-5 parts of initiator, 0.2-2 parts of assistant, 1-10 parts of solvent and 10-20 parts of additive resin. The preparation method of the finish paint comprises the following steps: 1, according to the requirements of a formula, adding the low polymer A, the low polymer B, the initiator, the assistant, 50-80% by weight of the solvent and all the additive resin into a dispersion cylinder; 2, stirring for 15-30min at constant speed to obtain a coating; and 3, measuring the solid content of the coating and adjusting the solid content of the coating by using the rest solvent till the solid content reaches a theoretical value to finally the finish paint. Compared with the prior art, the double-fast-curing repair finish paint has the advantages of high curing speed, environment friendliness and energy saving.

The invention discloses an industrial robot automobile engine end cover machining flexible production automatic line. The industrial robot automobile engine end cover machining flexible production automatic line comprises an end cover taking and cooling system and a machining system which are arranged beside a die casting machine. The end cover taking and cooling system is arranged on one side ofthe die casting machine, a chamfering milling machine and a double-layer cooling frame are arranged with a material taking robot as the center, and the tail end of the material taking robot is connected with a material taking clamp. The machining system is arranged on one side of the double-layer cooling frame with the machining robot as the center, and the tail end of the machining robot is connected with a special clamp. Various devices are connected into the industrial robot automobile engine end cover machining flexible production automatic line from head to tail through a scrap discharging conveying belt according to the machining technology process. A master control cabinet is arranged on one side of the tail end of the scrap discharging conveying belt outside a fence. The inventionfurther discloses a flexible production method. The industrial robot automobile engine end cover machining flexible production automatic line is long in service life and low in maintaining cost, the tool replacing time is saved, meanwhile, one machine has multiple purposes, the production efficiency is improved, and the equipment usage investment cost is reduced as well.

The invention relates to a three-dimensional system-level chip normal installation stacking packaging structure formed by sealing first and then corroding and a technique method. The packaging structure comprises a paddle (1) and pins (2). Electricity conducting columns (3)are arranged on front faces of the pins (2). A chip (4) is arranged on the front face of the paddle (1) through electricity-conducting or non-electricity-conducting adhesive substances. The front face of the chip (4) is connected with front faces of the pins (2) through metal wires (5). Plastic packaging materials or epoxy resin (7) wraps the area of the front face of the paddle (1), areas of the front faces of the paddles (2) and the peripheral area of the electricity conducting columns(3), the peripheral area of the chip (4), and the peripheral area of the metal wires (5). Anti oxidation layers (8) are arranged on the surface, exposing out of the plastic packaging materials or the epoxy resin (7), of the paddle (1), the surfaces, exposing out of the plastic packaging materials or the epoxy resin (7), of the pins (2), and the surfaces, exposing out of the plastic packaging materials or epoxy resin (7), of the electricity conducting columns (3). Packaging bodies (10) are stacked at tops of the electricity conducting columns (3) through electricity conducting substances (9). The packaging structure has the advantages of solving the problem that the quality of interconnected solder balls between packaging bodies is hard to control due to the fact that a lower layer welding disk is lower than a lower layer plastic packaging face in traditional substate packaging stacking.

The invention relates to the technical field of high-entropy alloy additive manufacturing, and particularly discloses a high-entropy alloy additive manufacturing device and additive manufacturing method. The high-entropy alloy additive manufacturing device comprises a welding wire clamp used for fixing two welding wires, an alternating-current power source and two wire feeders. The two welding wires are located on the same plane, axes of the two welding wires are crossed, the alternating-current power source is provided with two output ends, the two output ends are connected with a conductivenozzle of one welding wire, the two wire feeders are connected with one welding wire, are located on the ends, close to the conductive nozzle, of the welding wires, and are used for enabling the welding wires to be axially fed, the traditional high-entropy alloy additive manufacturing mode is changed, the high-entropy alloy of the complex structure can be manufactured, in the preparing process, the alternating-current double-wire indirect electric arc welding is used, heat transfer and medium transfer decoupling control is achieved, heat input is controlled within a certain range while the deposition rate is improved, and the device is more efficient and energy-saving.