39 results about "Metal spinning" patented technology

This sensor (1), for a fluid and suitable for use in a pipeline at least temporarily containing the fluid flowing therethrough, has at least one curved measuring tube (4, 5), which vibrates during operation and guides the fluid, and a housing enclosing the measuring tube. The housing is composed of a metal cap (7) of two cap halves (71, 72) and a supporting tube (6), in which the measuring tube is held at its inlet and outlet ends in a manner such that the tube can oscillate, and out of which a measuring tube segment protrudes sideways. Each cap half has an edge (73; 74) with, in each case, four edge portions (731, 732, 733, 734; 741, 742, 743, 744). The edge portions (731; 741) are straight, the edge portions (732, 733; 742, 743) are curved, and the edge portions (734; 744) have the shape of circular arcs. The edge portions (731, 732, 733; 741, 742, 743) are welded continuously to the supporting tube (6) and the edge portions (734; 744) are welded continuously to one another. The cap halves (71, 72) are cut out of a dish-shaped intermediate (70) having a formed, surrounding edge bead (701), provided with the shape of a quarter-torus by metal spinning.

The invention relates to a solvent circulation electrostatic spinning device, which comprises a double-channel axial flow injection pump, a guide pipe, a metal spinning head, a high-pressure generator and a fiber collection plate. Polymer spinning solution is filled into one axial flow injector in the double-channel axial flow injection pump, and a circulation solvent is filled into the other axial flow injector in the double-channel axial flow injection pump, wherein the axial flow injector filled with the circulation solvent is connected with the guide pipe; the axial flow injector filled with the polymer spinning solution is connected with the metal spinning head; the metal spinning head passes through the side wall of the guide pipe; and a coaxial spinning head structure is formed by the metal spinning head and the guide pipe. The fiber collection plate is arranged below the coaxial spinning head structure. One end of the high-pressure generator is connected with the metal spinning head by a high-pressure joint, and the other end of the high-pressure generator is connected with the fiber collection plate and is earthed.

The invention discloses a high-entropy alloy welding wire for welding titanium-steel. The high-entropy alloy welding wire consists of the following components by atomic percent: 30 to 33 percent of Zr, 8 to 12 percent of Ti, 15 to 18 percent of Fe, 20 to 24 percent of Ni, 20 to 24 percent of Be, and the total percentage is 100 percent. The invention also discloses a preparation method of the high-entropy alloy welding wire for welding the titanium-steel. The preparation method comprises the following steps of step 1, melting master alloy; and step 2, preparing the amorphous high-entropy alloy welding wire by utilizing a metal spinning technology. By adopting the high-entropy alloy welding wire, the process for TIG welding titanium-steel is simiple, the welding wire is well matched with the titanium and steel, no crack exists in the welding area, the weld seam is basically single-phase solid-solution organization, and the comprehensive mechanical performance of a connector is high.

The invention relates to a method for pressing conical cover reinforcing ribs. A sectioning mold same with the molded surface of a product is adopted, a common spherical turning lathe or a numerical control spinning machine is used, and a hot metal spinning mode is adopted. The characteristic that an aluminum alloy material has a good plasticity under a certain temperature while the strength and the toughness are obviously reduced is utilized, and a panel veneer used as a blank. Under the combined action of the radial force and the axial force of a spinning roller, through multi-pass spinning, the panel veneer is forced to deform, materials flow and form workpieces similar with the molded surface of the mold, and the spinning formation of an aluminum alloy annular-structure product with a section like the shape of Chinese character 'ji'. The characteristic that the sectioning mold is detachable is utilized to realize the separation of the 'ji'-shaped section annular-structure piece and the mold, and the completeness of the annular-structure piece is ensured. According to the method, the aluminum alloy annular-structure piece with the special-shaped section which is difficultly formed with processes such as general stamping, machining and the like can be formed. The method has the characteristics of low cost, low labor strength of workers, high processing efficiency and high material use ratio.

The invention discloses a method for manufacturing a compressor. The method includes the following steps that S1, a main shell body and a lower shell body are formed in a spinning mode or are connected into a whole in an electric resistance welding mode, so that a main shell body assembly is obtained; S2, a compressing mechanism is connected with a rotor so as to obtain a pump body assembly; S3, a stator and the pump body assembly obtained in the step S2 are located; S4, the stator and the pump body assembly located in the step S3 are fixed in the main shell body assembly obtained in the step S1; S5, an upper shell body is connected to the top of the main shell body. According to the method for manufacturing the compressor, the combined piece of the main shell body and the lower shell body are obtained through the metal spinning technology or the electric resistance welding machining technology, so that the technological manufacturability of the shell bodies is improved, the appearance of the shell bodies is good, and the leakage rate is low; meanwhile, the production cost of the shell bodies is lowered, the manufacturing difficulty is lowered, and the manufacturing efficiency is improved.

A reflector for light source of a projector, comprises a cup-shaped part that is formed by forging or casting from aluminum metal or alloy or the like metal, inner face of the cup-shaped part being mirror finished by ultra-precise cutting technique or by grinding with buff or diamond powder as not to have grooves or distortion; and a barrel portion disposed at center of the cup-shaped part and configured to receive an electric-discharge lamp. Omitted thereby is a coating of silicone-based resin that is a must for a reflector formed by metal spinning technique as to cover up the grooves and distortion. Thus, good heat conductivity of the aluminum metal or the like is not hampered, as to achieve a reflector for high-luminance lamp with high power consumption.

This invention relates to a complex radiation protection caddice and its preparation method. It includes the core line and the woolen yarn around the core line. The core line is the radiation protection spinning wire, the diameter of which is 59-64um, the weight of which is 12-20% taking the weight of complex caddice as standard, the other is woolen yarn. The equipment includes the drawing part of the wool and the twisting part of the line, there is receiver part of the wire between them. This receiver part has dead axle to fix the metal spinning pipe beside the drawing part. This caddice overcomes the shortcoming of the radiation protection materials on clothing, and it can be applied to various personality showing or beautiful clothes without changing any using habit and braided method. It also has good electrostatic prevention and could be washed as wool, and the efficiency of the radiation protection is not affected. It is felt soft and has good warm holding ability. The structure of the production device is simple, and it can be operated conveniently.

The invention provides an electrostatic spinning device for efficiently preparing nanofiber yarns. The device comprises a liquid supply system, a spinning system, a collecting system, and a driving system, wherein the liquid supply system is used for providing a spinning solution for the spinning system; the spinning system is used for drafting the spinning solution flowing out of a metal spinningneedle head into nano fibers under the action of electric field force and spraying the generated nano fiber bundles to a collecting system; the collecting system is used for twisting and forming thereceived nanofiber bundles and then collecting the nanofiber bundles; the driving system is used for driving the collecting system to work; the spinning system comprises the metal spinning needle headused for spraying nanofiber bundles, and the metal spinning needle head is connected with an alternating-current high-voltage generator to form a high-voltage electric field. The electrostatic spinning device disclosed by the invention has the advantages of high production efficiency and easily controlled production technique, and is suitable for the field of electrostatic spinning.

The invention provides a preparation method of a multi-principal-element welding wire and a high-entropy welding method. The preparation method of the multi-principal-element welding wire comprises the following steps that at least three kinds of metal wires are provided; and according to the preset quantity ratio, different metal wires are wound, and the rod-shaped multi-principal-element welding wire is prepared. According to the preparation method of the multi-principal-element welding wire, the multiple kinds of metal wires are wound according to the preset quantity ratio, the rod-shaped multi-principal-element welding wire is prepared, the situation that raw materials are molten to prepare high-entropy alloy, and then a wire material is prepared through metal spinning and spray deposition is avoided, the welding wire is prepared through winding of the pure metal wires, the alloying step can be omitted, needed components can be flexibly adjusted, the production process of the welding wire for high-entropy welding is greatly simplified, and cost is reduced.

The invention discloses a metal spinning method for a dynamic balance wheel. The metal spinning method mainly comprises the following steps of machining a U-shaped structure, filling the U-shaped structure with a dynamic balance weight, rough metal spinning, fine metal spinning and removing an outer lug on the outer edge of the wheel and an inner lug at the position of a positioning center hole of the wheel which is obtained after the fourth step of fine metal spinning is carried out. According to the machining method, the dynamic balance problem of the finished product wheel is solved in the machining process, regulation of dynamic balance is not needed in the later using process, and the use cost of the product is saved. The finished product wheel is integrally formed in a metal spinning manner, welding is not needed, the structural strength is high, and reliability is higher.

The invention discloses a self-adapting spinning mechanism of a sheet metal spinning machine. The design key point is that the self-adapting spinning mechanism of the sheet metal spinning machine comprises a base and a sliding plate which is arranged on the base and can slide back and forth, wherein the base is provided with a pretension spring for pushing the sliding plate outwards, and the sliding plate is provided with a roller wheel assembly for applying pressure. The invention aims to provide the spinning mechanism of the sheet metal spinning machine which has a simple structure and can be adjusted adaptively.

The invention relates to a non-rotating metal spinning experiment platform which comprises a machine body and a movable workbench installed on the machine body. The movable workbench is provided with a main shaft and a stepping motor for driving the main shaft to rotate. A servo motor for driving the main shaft to achieve axial feed is arranged behind the movable workbench. A blank self-blocking heating device is arranged on one side in the front of the main shaft, and the blank self-blocking heating device makes contact with a blank all the time through a leaf spring with a metal roller in the heating process. The other side in the front of the main shaft is provided with a spinning wheel feeding device. The spinning wheel feeding device is provided with an angle-adjustable spinning wheel frame and a servo motor for driving the spinning wheel to achieve feed. The stepping motor and the servo motor are both connected with a numerical control device which coordinates work of all the mechanisms. According to the non-rotating metal spinning experiment platform, by means of control over the feeding movement of the spinning wheel and the main shaft, spinning machining for non-rotating metal parts can be achieved.

The invention discloses a Babbitt metal spinning lubricant composition. The lubricant composition uses an MVI 90 BS base oil and boride phosphate composite as base oil and is supplemented with a plurality of complex additives including an oily agent, a friction modifier, an extreme pressure agent, an antiwear agent, an antioxidant, a metal deactivator, an anti-rust agent, an oxidation and corrosion inhibitor, a tackifier and so on. The lubricant composition provided by the invention has advantages of good diffusibility, fluidity, carrying capacity, lubrication performance, cooling performance, rust prevention property and corrosion resistance and easiness in cleaning.

The embodiments herein provide a lightweight piston device for use in an internal combustion engine. According to an embodiment herein, the piston is made from a magnesium alloy. The piston made frommagnesium alloy is lighter in weight thereby reducing the inertia forces within the cylinder. By reducing the inertia forces, the efficiency of the engine increases which eventually increases the horse power. A method is provided for manufacturing piston from magnesium alloy using metal spinning or extrusion technique. Die punching is carried out on the cylinder shape of magnesium alloy in order to make a hole for piston pin. External and internal turning is performed using machining. The piston rod is then connected to matching hole pin and the lubricant hole drilling is performed.

The invention provides a metal spinning cutter. The metal spinning cutter is used for performing metal spinning for a firearm part with two small end holes, a middle large hole and a thin end. The metal spinning cutter is characterized by comprising a cutter saddle, a mandrel, a middle washer, two end washers and a blade, wherein the blade is limited in the middle of the mandrel by the two end washers, the two end washers are symmetrical with each other relative to the center line of a cylinder, which is connected with a tailstock of a lathe, of the cutter saddle, and the mandrel is connected onto the cutter saddle by nuts. The metal spinning cutter has the advantages that a muzzle can be machined by the metal spinning cutter, chipless metal spinning can be carried out according to plastic deformation of metal, metal spinning can be completed only by means of rotating a firearm bolt, and the metal spinning cutter is simple in operation and can be implemented easily.