34results about How to "Reduce forming cost" patented technology

A technology for directly manufacturing part and mould without mould includes such steps as designing 3D CAD model of a part, tomographic processing to obtain the data of each layer, planning the route to generate the numeral control codes of each layer, and using numeral controlled plasma thermo-welding spray gun or argon arc welding gun to thermo-weld the alloy, intermetal compound, ceramal, or ceramic wire or powder for shaping layer by layer while combining the plasma arc or argon arc with laser beam. It has high speed and low cost.

The invention discloses a device and a method for bending a pipe with a sealed end by using a tension rope or plug, which relate to a pipe bending device and a pipe bending method. The invention solves the problems of unreliable sealing and low forming efficiency in a pipe internal pressure bending forming process. In the device, plugs are arranged at the two ends of a pipe, the plugs and the pipes are sealed by the annular grooves with slant walls on the inner sides of the plugs, a tension rope sealing ring is arranged in a counter bore, the outer end face of the tension rope sealing ring is provided with a pressure plate, one end of the tension rope is connected with the inner end face of the first plug, the other end of the tension rope passes through a tension rope central hole, the tension rope sealing ring and the pressure plate to be connected with a tensioning wrench, and the tensioning wrench is arranged on the pressure plate through a rotating shaft. The method comprises: assembling the bending device, and tensioning the rope by using the tensioning wrench; filling high-pressure medium under the pressure of 0.5 to 100MPa into the pipe by using a pressurizing cylinder, and bending the pipe; and discharging the high-pressure medium, taking the tensioning rope and plugs, and accomplishing the bending forming of the pipe. The device and the method are used for bending forming of pipes.

The invention provides an electromagnetic forming device and forming method based on a conductive channel, comprising: the conductive channel is placed on one side of the mold; the mold includes a left area, a right area and a central concave area; the conductive channel includes a first And the third sub-conductive channel; the first and second sub-conductive channels are respectively placed on one side of the left area of ​​the mold and one side of the right area of ​​the mold, and the third sub-conductive channel connects the first and second sub-conductive channels to form A circular conductive channel with a notch, and the direction of the notch faces the middle concave area of ​​the mold; the metal workpiece is placed at the gap inside the conductive channel; the metal workpiece and the conductive channel form a conductive loop; the uniform pressure drive coil is placed inside the conductive channel , and placed above the metal workpiece; pass a pulse current to the uniform pressure drive coil, and drive the metal workpiece to deform toward the middle concave area of ​​the mold. The invention reduces the contact resistance formed by poor contact between the metal workpiece and the conductive channel, and improves the forming quality of the workpiece.

The present invention proposes a selective laser melting forming slurry recovery system. The transfer bin of the system is connected to the forming system through the receiving port, and the solid-liquid separation cavity is connected to the lower part of the transfer bin through a pressure-sensing electromagnetic valve. A pressure plate is installed in the cavity, which is controlled by a hydraulic cylinder to move up and down in the cavity. The first discharge port and the second discharge port are set on the solid-liquid separation cavity and connected to the powder collector at the same time, and an electric switch is installed on the first discharge port. , Install a pressure valve on the second discharge port, install a separation liquid collector at the bottom of the solid-liquid separation chamber, and install a filter screen at the connection. The slurry recovery system of the present invention solves the problem that the organic solvent slurry SLM is difficult to recover after forming, realizes the reuse of metal powder and reinforcement materials in the slurry, and reduces the cost of SLM forming.

The invention discloses an internal spinning forming method for a corrugated tube. The internal spinning forming method for the corrugated tube comprises the following steps that a tube billet is installed on a main shaft of a spinning machine, and a length thin tube is driven by the main shaft to rotate; the interior and the exterior of the tube billet are respectively provided with an inner spinning roller and an outer spinning roller for forming corrugations; the inner spinning roller and the outer spinning roller synchronously work; a feed rate of the inner spinning roller is paused until a gap between a convex molded surface of the inner spinning roller and a concave molded surface of the outer spinning roller is 1.1 to 1.3 times of the thickness of the tube billet, and the gap is kept for forming for 3 to 5 seconds until one position machining is finished; the inner spinning roller and the outer spinning roller synchronously move for one pitch of waves along the axial direction of the tube billet, and the steps are repeated until the corrugated tube of a required length is formed. The internal spinning forming method disclosed by the invention is higher in forming precision and low in forming cost; moreover, a metallographic structure is even and compact due to grain refinement and spinning deformation of the corrugated tube during a spinning process; meanwhile, grains are squashed and stretched to form a fibrous tissue in a spinning direction; product quality is high, and the service life is greatly prolonged.

The invention relates to a bipolar plate with a high-performance complex bionic structure flow field, comprising a bipolar plate body, a fractal flow field is arranged on the bipolar plate body, and the fractal flow field includes a reaction gas inlet and a gas flow An inlet transition area is provided between the gas flow channel and the reaction gas inlet, the reaction gas inlet is arranged at the outer end of the inlet transition area, and the gas flow channel includes a first flow channel and a second flow channel , taking the central point of the fractal flow field as the center of symmetry, the first flow channel and the second flow channel are arranged symmetrically, the bipolar plate can enhance the mass transmission of gas and water, and improve the management ability of water, gas and heat. The method for preparing this type of bipolar plate with high-performance and complex bionic structure flow field is prepared by composite preparation of laser melting technology and laser polishing technology, and can prepare flow channels of arbitrary complex shapes. The process is simple and the reliability is high. At the same time, the laser Polishing technology improves the surface finish of the flow field flow channel, thereby improving fluidity.

The invention relates to a method and device for ultra-high-pressure forming of a superalloy fluid medium. The device includes a mold upper seat, a mold lower seat, an upper mold, a lower mold and an external filling system. The method is to inject high-pressure fluid into a pipe through a high-pressure pipe joint, A certain high-pressure environment is formed inside, and at the same time, the upper mold moves downward to bend the billet, the speed of the upper die moves down to match the internal pressure of the billet, and finally the billet is pressed into the upper and lower dies, so that the billet and the surface of the upper and lower dies are bonded , to get the final component. The wall thickness distribution of the formed part obtained by the superalloy fluid medium ultra-high pressure forming method is uniform, the surface quality is good, and the forming precision is high. The high-precision, high-efficiency, and low-cost forming of high-temperature alloy components has been realized, and the application field of fluid-filled forming has been greatly expanded, with extremely broad application prospects.

The invention discloses an inwards-concave n-shaped inner ring sealing sleeve forming die and method. The forming device comprises a male die (2), a female die (3), a guide plate (4), a female die frame (5), a top plate (6) and a rear guide column die frame (7); during molding, the inner ring sealing sleeve (1) is divided into two parts of a straight waist-shaped surface and an inclined waist-shaped surface by adopting a fan-shaped curved surface along the chord length direction of the inner ring sealing sleeve (1) fan-shaped groove and perpendicular to the bottom ring surface (1c) of the n-shaped cross section, then a right-angle concave mold is used (3a) and an oblique-angle female die (3b) are used for simultaneously punching and forming the two parts. According to the forming die and method, the forming of the part is completed at one time, the part is convenient to assemble and disassemble, and the quality of the shape surface is good.

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 discloses a production method of a brake rubber block as well as a forming device. The production method comprises the following steps: uniformly mixing and stirring the following materials: 13-15 parts of rock wool, 4-6 parts of barite powder, 5-7 parts of resin powder, 1-2 parts of vermiculite powder, 1-2 parts of feldspar powder, 1-2 parts of tyre powder, 0.2-0.3 part of zinc stearate and 0.8-1.2 parts of frictional powder; arranging a brake framework, and brushing glue on a concave arc surface which is required to be covered with the brake rubber block; pushing the arranged brake framework below a discharge mold groove, weighing 30-40g of mixed material and pouring the material into the discharge mold groove so as to enable the mixed material to be contained in the concave arc surface of the brake rubber block; and pushing the discharge mold groove and the brake framework together into a mold press and performing extrusion forming for 3-5 minutes at the pressure of 18-22PA under the condition that the temperature of a pressing die compartment is controlled to be 170-190 degrees. The production method of the brake rubber block as well as the forming device have the following advantages that the forming efficiency is high, and the forming cost is reduced; less mixed material is used compared with that of the prior art; on the aspect of the finished product quality, the brake rubber block and the brake framework which are produced by the technology provided by the invention are more firm.