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171results about "Extrusion control devices" patented technology

Straightening machining method for aluminum profile with aluminum bar as raw material

The invention particularly relates to an aluminum profile straightening machining method with an aluminum bar as a raw material, and relates to the technical field of aluminum profile machining. Extruding and forming; determining a straightening scheme; and precision detection. According to the method, a whole-process quality control system is constructed from raw material pretreatment to post-treatment storage; the straightening scheme depends on characteristic parameterization to accurately adjust pressure, match pressure maintaining and release stress in a targeted mode, and the problem of stress concentration of the special-shaped section is solved. Precision detection covers multi-dimensional form and location tolerances and defects, and data are fully traced, so that support is provided for quality closed-loop management and control; surface protection and storage are standardized through post-treatment, and performance degradation is prevented; the whole process is coordinated, the straightness, the stress uniformity and the size precision of the aluminum profile are greatly improved, and the requirements of the high-end field for high-quality profiles are met.
Owner:DALIAN HONGYUAN ALUMINUM

Intelligent control method and system for data-driven aluminum extruding machine and aluminum extruding machine

The embodiment of the invention relates to an intelligent control method and system for a data-driven aluminum extruding machine and the aluminum extruding machine, and belongs to the technical field of electronic data process.The method comprises the steps that multi-source time sequence data are collected and converted to obtain two-dimensional depth characteristics, data distribution is detected, and the data distribution is calculated; a generative adversarial network and dynamic time warping oversampling are used to enhance an unbalanced sample, a domain invariant feature model is trained to extract cross-working-condition robust features, state evaluation information output by the model is accessed to a non-parameterization prediction control framework, a multi-objective optimization function is constructed based on real-time sliding window data at each beat, and a multi-objective optimization function is constructed based on real-time sliding window data. And an optimal control sequence is issued to an execution mechanism after solving, and online closed-loop adjustment of parameters such as the extrusion speed and the temperature is achieved. According to the embodiment of the invention, data processing, AI and automatic control are fused, self-adaption to working condition changes is realized, the control precision and the quality stability can be improved, and the energy consumption and the cost are reduced.
Owner:CHINALCO INTELLIGENT TECH DEV CO LTD

Process for preparing high-strength aluminum alloy profile through gradient cooling die-electromagnetic vibration combined extrusion

The invention discloses a process for preparing a high-strength aluminum alloy profile through gradient cooling die-electromagnetic vibration combined extrusion, and belongs to the technical field of aluminum alloy machining. According to the technology, the uniform fine grain structure and high performance of the aluminum alloy profile are achieved through the design of the length of a die working tape and the flow gradient of a cooling channel in cooperation with an electromagnetic vibration device. After a blank is subjected to homogenization treatment, the blank is extruded through a gradient cooling die, a thin-wall area working zone is 20-25 mm, the cooling water flow is 15-20 L / min, a thick-wall area working zone is 10-15 mm, the cooling water flow is 5-10 L / min, 20-50 Hz electromagnetic vibration is applied at the same time, water mist quenching and aging treatment are conducted immediately after extrusion, zinc ions serve as heterogeneous nucleation cores to promote generation of new crystal grains, ferrocene sulfenyl is adsorbed to the surfaces of the crystal grains to inhibit growth, and the thickness of the crystal grains is 10-15 mm. The average grain size is refined, and the effect is improved.
Owner:JIANGXI JINLIANSHENG ALUMINUM CO LTD

Aluminum profile hot extrusion cooling shaping device

The invention relates to the technical field of aluminum profile hot extrusion cooling shaping, and particularly discloses an aluminum profile hot extrusion cooling shaping device which comprises a fixing table, a lifting table is arranged at the upper end of the fixing table in a lifting mode, a mounting groove is formed in the lower end of the lifting table, a graphite disc is arranged in the mounting groove in a lifting mode, and a graphite plate is arranged in the middle of the inner bottom wall of the graphite disc. A scraping assembly is arranged on the lifting table, and a switching assembly is arranged on the fixed table. The graphite plate is fixedly placed in the graphite plate, then the graphite plate is lifted into the installation groove, the height of the lifting table is adjusted at the same time, the cambered surface of the graphite plate abuts against the aluminum profile, the graphite plate can rapidly absorb and dissipate heat of the aluminum profile, and the aluminum profile is rapidly cooled, solidified and shaped under the pressure effect. And the scraping assembly is used for scraping the cambered surface of the graphite plate to repair or adjust the cambered surface shape, and the switching assembly is used for switching different graphite plates, so that the production efficiency is improved, and different cambered surface requirements are met.
Owner:HUANGSHI HONGFU NEW MATERIAL CO LTD

Aluminum alloy extrusion temperature control method based on numerical calculation

The invention discloses an aluminum alloy extrusion temperature control method based on numerical calculation, which relates to the technical field of metal material processing, and comprises the following steps: constructing a heat-force coupling model in an aluminum alloy extrusion process; based on the thermal-mechanical coupling model, initial extrusion process parameters are obtained through numerical simulation and a target optimization mode; aluminum alloy extrusion is carried out based on the initial extrusion process parameters, and the extrusion outlet section average temperature and the section deviation temperature when the aluminum alloy extrusion outlet section average temperature is stable are calculated; judging whether the extrusion outlet section average temperature is in a preset temperature range or not and whether the section deviation temperature is not greater than a preset deviation threshold value or not; and according to the judgment result, the optimal extrusion speed is determined, and aluminum alloy extrusion is conducted at the optimal extrusion speed. Uniformity and consistency control over the temperature of the section of an aluminum alloy extrusion outlet can be achieved, the aluminum alloy extrusion forming efficiency and forming quality are improved, and raw material loss of aluminum alloy extrusion forming is reduced.
Owner:TAIZHONG TIANJIN BINHAI HEAVY MACHINERY

Preparation method of aluminum alloy profile for battery pack structure

The invention relates to the technical field of aluminum alloy profiles, and discloses a preparation method of an aluminum alloy profile for a battery pack structure, which comprises the following steps: step S1, on the basis of alloy components and high-temperature fluidity characteristics of aluminum alloy, the distribution of shunting holes of an extrusion die is designed through finite element simulation optimization, so that the distribution of the shunting holes is matched with the section shape of the profile; s2, the optimized mold is used for isothermal extrusion forming of molten aluminum alloy, extrusion is conducted under the constant-temperature condition, and a primary profile blank is formed; s3, through differentiated welding chamber depth design, the flow velocity and the filling uniformity of metal in all the areas are controlled; and S4, the formed profile is subjected to heat treatment. According to the method, the flow uniformity of metal in the extrusion process is remarkably improved through the optimal design of the die flow dividing holes based on finite element simulation and a fluid dynamic model in combination with curve fitting of the depth of the differential welding chamber and the profile section contour.
Owner:JIANGSU CHENGMU NEW ENERGY TECHNOLOGY CO LTD

Apparatus and method for reducing the cross section of a tubular hollow body by shaping the hollow body

ActiveUS12654212B2Drawing mandrelsDrawing dies
An apparatus for reducing the cross-section of a tubular hollow body with a hollow body wall has a shaping die on the outer side of the hollow body, a mandrel in the interior of the hollow body, and a shaping drive with a mandrel drive and a die drive. The shaping die is movable by the die drive to reduce a cross-section of the hollow body with an axial movement of the die. The mandrel is movable via the mandrel drive along the hollow body axis through the die opening in the shaping die. The hollow body wall is subjected to a tensile stress by the mandrel and is drawn in the direction of the axial movement of the mandrel through the die opening. The mandrel drive and the die drive are controlled so that the axial mandrel movement and the axial die movement die are superimposed on one another.
Owner:FELSS SYST GMBH

A method for improving the microstructure and corrosion uniformity of low-temperature extruded magnesium alloys

ActiveCN117867424Breduce processing timepromote diffuse distributionExtrusion control devicesSurface oxidationIngot
This invention provides a method for improving the microstructure and corrosion uniformity of low-temperature extruded magnesium alloys, belonging to the field of magnesium alloy preparation and processing. The method includes the following steps: S1: Cutting a low-alloy element content magnesium alloy ingot and removing the surface oxide layer to obtain a cast sample; S2: Performing pulsed current homogenization treatment on the cast sample; S3: Removing the surface oxide layer from the homogenized alloy to process it into an extrusion billet; S4: Performing low-temperature extrusion treatment on the extrusion billet under pulsed current assistance. This invention improves the microstructure and corrosion uniformity of low-temperature extruded magnesium alloys while ensuring high strength and plasticity, and is suitable for the efficient and energy-saving preparation of biodegradable magnesium alloy extruded bars and sheets.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY +1

A Data Feedback-Based Optimization Control Method for Isothermal Extrusion of Aluminum Alloys

This invention discloses an isothermal extrusion method for aluminum alloys based on data feedback optimization control, belonging to the field of metal material processing technology. The method includes: Step 1, extruding an aluminum alloy rod at a preset initial temperature and a preset initial extrusion speed; Step 2, acquiring the extrusion exit temperature of the aluminum alloy rod in real time, and determining in real time whether the extrusion exit temperature is not less than a preset maximum temperature. If so, adjusting the extrusion speed in real time using a preset control equation until the current aluminum alloy rod extrusion is completed; Step 3, acquiring the function of the extrusion speed changing with time during the current aluminum alloy rod extrusion process, and correcting the function to obtain the corrected speed for extruding the next aluminum alloy rod; Step 4, if further extrusion is needed, extruding the next aluminum alloy rod at a preset initial temperature and corrected speed, and returning to Step 2 for repeated execution. This invention can significantly improve the efficiency and quality of aluminum alloy extrusion forming.
Owner:TAIZHONG TIANJIN BINHAI HEAVY MACHINERY

Temperature compensation system for high-strength aluminum alloy extrusion die

The invention relates to the technical field of extrusion dies, in particular to a high-strength aluminum alloy extrusion die temperature compensation system which comprises a divergent die, a die holder and a die body, a plurality of divergent bridges are arranged on the divergent die, a die core is arranged in the middle of the divergent die, the divergent bridges are all connected with the die core, and the die holder is coaxially connected to the front end face of the divergent die through bolts; the water pressing groove is formed in the front end of the die holder, the section of the water pressing groove is designed to be in the frustum shape, and cooling liquid entering the water pressing groove flows from the front end to the rear end, so that the cooling effect on the front end of the forming part is higher than that of the rear end, and the situation that the extrusion forming speed of a high-strength aluminum alloy profile is affected due to temperature reduction is avoided; and meanwhile, the problem that the strength of the high-strength aluminum alloy profile is reduced due to the fact that the grain structure in the high-strength aluminum alloy is suddenly changed due to temperature suddenly changing of the high-strength aluminum alloy profile in the extrusion direction is solved, the physical property of the profile is guaranteed, and meanwhile the surface quality of the profile is guaranteed.
Owner:黄艳玲

Vacuum extrusion device for preparing titanium and titanium alloy

PendingCN121972530Aavoid structural redundancySimple structureExtrusion control devicesRams/plungersTemperature controlShape-memory alloy
The invention discloses a vacuum extrusion device for preparing titanium and titanium alloy, relates to the technical field of titanium and titanium alloy preparation, and aims at solving the problems that an existing device is prone to sealing failure, not thorough in cleaning and low in temperature control precision. The device comprises a vacuum chamber, an extrusion rod, an air passage system, an air source distributor, a temperature monitoring module and an external control module. The working section of the extrusion rod is provided with three sections of spiral grooves, and precise coupling of dynamic sealing, self-cleaning and temperature field regulation and control is achieved through cooperation of an air channel system and multiple air channels. The first section of main sealing spiral groove forms a high-pressure air curtain, the second section of temperature control spiral groove adjusts the temperature in a self-adaptive mode through a shape memory alloy ring, and the third section of cleaning spiral groove conducts deep cleaning through the reverse suction effect. And the external control module adaptively regulates and controls each gas path according to temperature and impurity concentration monitoring data, so that the structure is simplified, the efficiency is improved, the product quality stability is guaranteed, and the batch production requirements of high-quality titanium and titanium alloy are met.
Owner:LANZHOU UNIVERSITY OF TECHNOLOGY +3

Shear assisted extrusion press apparatus and components

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container.
Owner:ATOMIC 13 LLC

Aluminum profile extruding machine with adjusting function

The invention discloses an aluminum profile extruding machine with an adjusting function, and particularly relates to the technical field of metal extrusion, the aluminum profile extruding machine comprises a multi-directional extruding mechanism and a movable frame, the multi-directional extruding mechanism comprises a displacement shaft, a sliding sleeve block and an arc-shaped rail, the displacement shaft slides on the inner wall of the movable frame, the sliding sleeve block is fixed to one end of the displacement shaft, the arc-shaped rail is arranged on the outer wall of the sliding sleeve block, and the sliding sleeve block is fixed to the inner wall of the movable frame; the arc-shaped rail is used for guiding the sliding sleeve block to move. The multi-directional extrusion mechanism is adopted, and the multi-directional extrusion mechanism has the advantages that multiple branch points of an aluminum profile achieve synchronous adjustment and extrusion in different directions, parameters do not need to be adjusted multiple times, the waiting and joining time of extrusion machining is shortened, and the extrusion machining efficiency is greatly improved, so that the problems that equipment needs to adjust operation parameters multiple times, waiting and joining time exists among different steps, and equipment cost is reduced are solved. Therefore, the overall processing rhythm is difficult to be compact and efficient, and finally, the efficiency of adjusting and extruding at different directions of each branch point of the aluminum profile is relatively low.
Owner:河北力尔铝业有限公司

Continuous extrusion device and control method thereof

The invention discloses a continuous extrusion device and a control method thereof.The control method comprises the following steps that locking pressure is provided for a shoe seat mechanism through a limiting module so that the shoe seat mechanism can be mechanically locked, energy storage pressure is provided for the shoe seat mechanism through a hydraulic unit so that pressure compensation can be conducted on the shoe seat mechanism, and the shoe seat mechanism can be continuously extruded. A hydraulic lock is arranged on a pressing loop of the hydraulic unit, and the hydraulic unit forms energy storage pressure through the hydraulic lock; the energy storage pressure is low pressure more than two times of the actual working pressure, the locking pressure is low pressure of 3-5 Mpa, the energy storage pressure is low pressure of 8-12 Mpa, the locking pressure is equal to the actual working pressure, and the actual working pressure is determined based on the extrusion force generated by the extrusion wheel; the extrusion device is controlled to carry out copper rod extrusion operation on the copper rod conveyed by the feeding device, and a finished product output by the extrusion device is received through the material receiving device; in the copper rod extrusion operation executing process, the copper rod extrusion operation of the extrusion device is dynamically adjusted, and the production stability and precision are guaranteed.
Owner:FOSHAN NANHAI YUEZHI HARDWARE MACHINERY MANUFACTURING FACTORY

Extrusion method for recycled aluminium alloy profiles for anodizing and electrophoretic painting

The present application relates to the technical field of metal pressure processing, and discloses an extrusion method for recycled aluminum alloy profiles for anodic oxidation and electrophoretic spraying, which comprises the following steps: adding strontium and boron into recycled aluminum melt, controlling the mass ratio with iron, forming an interface enrichment layer with shear sensitivity on the surface of the iron-containing impurity phase by using strontium; establishing an ingot axial temperature gradient, and controlling the average equivalent strain rate in the extrusion process to be maintained in the critical rheological interval, and physically activating the interface enrichment layer to produce shear thinning; and implementing online gradient freezing quenching after the profile leaves the die. Through the synergy of the critical strain rate and the interface modification, the present application builds an in-situ lubricating layer between the hard impurity phase and the aluminum matrix, eliminates the microscopic tearing caused by the rheological mismatch, and solves the color difference problem of the recycled aluminum surface treatment.
Owner:HUNAN QIANYUAN ALUMINUM CO LTD

Degradable magnesium alloy material and preparation method and application thereof

The invention provides a degradable magnesium alloy material and a preparation method and application thereof. The degradable magnesium alloy material comprises the following components in percentage by weight: 3.00%-8.00% of Gd, 2.00%-4.90% of Y, 0.01%-0.50% of Zn, 0.01%-1.00% of Zr or Mn and the balance of Mg, the total content of Gd and Y is 8.00%-12.00%. The degradable magnesium alloy material has excellent strength, plasticity and degradation performance.
Owner:BEIJING AMSINO MEDICAL

Shear Assisted Extrusion Press Apparatus and Components

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container. The rotary piston and the stem are configured to rotate and move axially such that the stem moves the billet through the container to extrude a part, and the container and the billet are configured to rotate together while the container does not move axially.
Owner:ATOMIC 13 LLC

Shear assisted extrusion press apparatus and components

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston, wherein the main piston exerts the axial extrusion force on the stem, and at least one piston motor to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container configured to drive a rotational movement of the container. The rotary piston and the stem are configured to rotate and move axially such that the stem moves the billet through the container to extrude a part, and the container and the billet are configured to rotate together.
Owner:ATOMIC 13 LLC

Method for manufacturing an aluminum wire for enameled wire

The present application belongs to the field of aluminum alloy wire manufacturing, and particularly relates to a preparation method of aluminum wire for enameled wire, which uses 1070 type aluminum wire as raw material, and the composition and mass percentage of the aluminum wire are as follows: Si≤0.10%, Fe≤0.17%, Cu≤0.04%, Mn≤0.03%, Mg≤0.03%, Zn≤0.04%, V≤0.05%, and Ti≤0.03%. The mold is installed on the machine, and the aluminum wire is continuously extruded in the direction of the mold discharge port. The extruded aluminum wire is pulled into a cooling bed, cooled to room temperature, and bare wire is obtained. The bare wire is wound to form a coil shape. The fan and the multi-diameter air box quenching equipment through which the wire is extruded are closed before discharging. The coil-shaped bare wire is annealed to obtain O-state bare wire. Air cooling or fan internal circulation cooling is adopted. The present application adopts an aluminum extrusion process preparation method, which can complete the processing at one time, better solves the cost problem, and obtains a higher yield.
Owner:LIAONING ZHONGWANG GROUP CO LTD

Shear assisted extrusion press apparatus and components

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container.
Owner:ATOMIC 13 LLC

Apparatus and method for reducing the cross-sectional area of ​​a tubular hollow body by deformation processing of the hollow body.

The device (1) for reducing the cross-section of a tubular hollow body (2) having a hollow body wall (3) made of a plastically deformable material and a hollow body axis (4) extending in the longitudinal direction of the hollow body (2) comprises a forming die (5) for arrangement on the outer surface of the hollow body (2), a mandrel (6) for arrangement inside the hollow body (2), and a forming drive (8) including a mandrel drive (9) and a die drive (10). The forming die (5) is provided with a die opening (7) having an opening cross-section smaller than the hollow body cross-section of the hollow body (2) in the starting state. The forming die (5) arranged on the outer surface of the hollow body (2) is movable relative to the hollow body (2) in the direction of the axial die movement (14) along the hollow body axis (4) by means of the die drive (10) while reducing the cross-section of the hollow body (2). A mandrel (6) arranged inside the hollow body (2) is movable along the hollow body axis (4) with an axial mandrel movement counter to the axial die movement by means of a mandrel drive (9). In this case, the hollow body wall (3) is subjected to a tensile load by the mandrel (6) in the direction of the axial mandrel movement (13), and the hollow body wall (3) is pulled through the die opening (7) in the direction of the axial mandrel movement (13) against a forming die (5) arranged on the outer surface of the hollow body (2). By means of a drive control device (11) of the forming drive (8), the mandrel drive (9) and the die drive (10) can be controlled so that the axial mandrel movement and the axial die movement are superimposed on each other. By means of the above-mentioned device (1), a method for reducing the cross-section of a tubular hollow body (2) is carried out.
Owner:FELSS SYST GMBH

Cold and hot combined extrusion forming device and method for improving thickening ratio of aluminum alloy pull rod

The invention belongs to a plastic processing technology, and relates to a cold and hot combined extrusion forming device and method for improving the thickening ratio of an aluminum alloy pull rod. In the differential temperature hot extrusion process, a pipe closing-in area is still in a warm forming temperature range, and the mechanical property of materials in the area can be reduced. The cold and hot combined extrusion forming device comprises a thickening mold, a heating ring, a heat insulation plate, a closing-in mold and a thermocouple, the heat insulation plate is arranged between the butt joint end faces of the thickening mold and the closing-in mold, and after the thickening mold, the heating ring and the closing-in mold are combined, a complete thickening closing-in cavity is formed inside. Wherein the cavity span of the thickening mold comprises a non-closing thickening area and a partial closing area, and the cavity span of the closing mold is the remaining closing area; a heating ring is arranged on the outer ring face of the thickening die, and the thermocouple penetrates through the heating ring and extends to be close to the inner wall of the thickening die. Compared with a differential temperature hot extrusion process needing an additional cooling device to cool a non-deformation area of the pipe, plastic deformation of the pipe closing-in area belongs to cold forming, the instability risks of pipe wrinkling, buckling and the like can be reduced, the pipe thickening forming limit is improved, the mechanical property of the extruded pipe can be improved through the cold work hardening effect, and the device is simple in structure and low in cost. And a pipe cooling device is not needed. In addition, only the thickening mold is heated, and the mold preheating time is shortened.
Owner:HARBIN

Shear assisted extrusion press apparatus and components

The present disclosure provides a shear assisted extrusion press comprising a stem and plunger assembly comprising a main piston configured to generate an extrusion force, a stem assembly comprising a stem having a first end and a second end, wherein the second end connects to a rotary piston that connects to the stem and plunger assembly, wherein the main piston exerts the extrusion force on the stem such that the stem moves axially, and at least one piston motor coupled with the stem and configured to drive a rotational movement of the rotary piston and the stem, and a container assembly comprising a container holder, a container configured to receive a billet and the first end of the stem, and at least one hydraulic motor positioned in the container holder with the container, wherein the at least one hydraulic motor is configured to drive a rotational movement of the container.
Owner:ATOMIC 13 LLC

A method for producing a rare earth magnesium alloy rod

The application discloses a preparation method of a rare earth magnesium alloy rod, and the mass percentage composition of the rare earth magnesium alloy is as follows: Gd: 5.89-6.90%, Y: 3.41-3.90%, Zr: 0.42-0.46, and the rest is Mg. The preparation method comprises the following steps: A, extruding deformation is conducted on the rare earth magnesium alloy to obtain an extruded rod, the extrusion temperature is 430-450 DEG C, and the extrusion ratio is 40-55; B, rotary swaging deformation is conducted on the extruded rod to obtain a rotary swaged rod, the rotary swaging deformation temperature is 0-100 DEG C, and the total deformation amount of the rotary swaging deformation is 20-60%; C, first stage heat treatment is conducted on the rotary swaged rod, the first stage heat treatment temperature is 100-200 DEG C, and the heat preservation time is 24-360 h; and D, second stage heat treatment is conducted on the rotary swaged rod, the second stage heat treatment temperature is 260-340 DEG C, and the heat preservation time is 1-15 min. The application can induce a nano-crystal rare earth magnesium alloy rod to build a multi-scale structure through graded heat treatment, and meanwhile, the strength and plasticity of the rare earth magnesium alloy rod are improved.
Owner:CENT SOUTH UNIV

Squeezing roller precision measuring device

The utility model provides a squeeze roller precision measuring device, comprising a protective housing which is fixedly arranged on steel pipe forming equipment and is provided with a bearing cavity; the distance measuring mechanism is arranged in the bearing cavity, the distance measuring mechanism is provided with a feedback part which is horizontally arranged, the feedback part is horizontally arranged in a sliding mode, and the feedback part can penetrate through the side wall of the protection shell, extend outwards, abut against a shaft seat of the extrusion roller to be adjusted and is used for measuring the displacement of the extrusion roller; and the matched controller is electrically connected with the distance measuring mechanism and is used for recording the movement data of the feedback part. The squeeze roller precision measuring device provided by the utility model is provided with the protective shell, the distance measuring mechanism can be arranged in the protective shell, and the distance measuring mechanism can penetrate through the side wall of the protective shell through the feedback part which is horizontally arranged in a sliding manner to extend outwards and abut against the shaft seat of the squeeze roller to be adjusted, so that the displacement of the squeeze roller can be measured; the matched controller can be electrically connected with the distance measuring mechanism and can record movement data of the feedback part.
Owner:SHIJIAZHUANG ZHONGTAI PIPE TECH DEV CO LTD

Continuous temperature-control isobaric extrusion process for aluminum alloy micro-channel circular tube

The invention discloses a continuous temperature control isobaric extrusion process for an aluminum alloy micro-channel round pipe, and relates to the technical field of aluminum alloy plastic processing, and the continuous temperature control isobaric extrusion process comprises the following steps: S1, forming a pre-extrusion basic state parameter set; s2, constructing a continuous temperature control path by using the pre-extrusion basic state information set; s3, constructing a stable isobaric deformation environment by using the temperature control section condition set; s4, constructing a metal flow path by using an isobaric deformation environment condition set; and S5, the isobaric deformation environment condition set and the micro-channel preposed forming path structure are used for continuous temperature control isobaric micro-channel extrusion forming. According to the method, a continuous temperature target curve is constructed based on basic state parameters before extrusion, and temperature control section conditions are formed in a discrete mode; in the temperature control process, feedforward and executable temperature control logic can be formed on the extrusion path scale, so that temperature adjustment is constrained by the blank tissue state, the initial temperature distribution and the equipment steady state condition, and precise mapping of path position-temperature requirements is achieved.
Owner:SHANDONG ZHUOCHENG METAL PROD CO LTD

Method for optimizing production process of 6-series alloy frame profile

The invention discloses a method for optimizing a production process of a 6-series alloy frame profile, and relates to the technical field of aluminum alloy materials, the optimization method comprises the following steps: a 6-series aluminum alloy capable of improving the surface quality comprises the following components: 0.4-0.8% of silicon, less than or equal to 0.7% of iron, 0.15-0.4% of copper, less than or equal to 0.15% of manganese, 0.8-1.2% of magnesium, 0.04-0.35% of chromium, less than or equal to 0.25% of zinc, less than or equal to 0.15% of titanium, and the balance of aluminum and other inevitable impurity elements; the mechanical property of an extruded product is improved by optimizing a cast ingot homogenizing process, and the quenching sensitivity requirement is reduced, so that the qualified rate of the quenched product is improved. By optimizing the extrusion process, the deformation of the product after quenching is reduced, so that the qualified rate of the product after quenching is improved. The alloy performance can be as follows: the tensile strength is greater than or equal to 280 MPa, the yield strength is greater than or equal to 240 MPa, and the ductility is greater than or equal to 8%.
Owner:FUJIAN XIANGXIN CORP LTD

Thin-wall aluminum profile extrusion device

The utility model provides a thin-wall aluminum profile extrusion device, which belongs to the technical field of aluminum profile production, aims to solve the problem that the forming effect of a thin-wall aluminum profile is influenced by the phenomenon that the position of a mold in an extrusion cylinder is easy to shift in the extrusion use process after the mold is abraded, and comprises a limiting support, the extrusion cylinder is arranged on the outer side of the top end face of the limiting support and composed of two semi-annular supports. The installation auxiliary mechanism is arranged between the two annular supports and the limiting support. The forming die is assembled on the inner sides of the front ends of the two annular supports. The two detection auxiliary blocks are slidably connected to the inner sides of the front ends of the two annular supports respectively. The two transmission auxiliary shafts are rotationally connected to the inner ends of the two annular supports correspondingly. The automatic warning mechanism is arranged between the transmission auxiliary shaft and the detection auxiliary block; and the forming effect of the thin-wall aluminum profile is guaranteed, the qualified rate of aluminum profile finished products is increased, and the using effect and the working efficiency of the device in the actual application process are improved.
Owner:ZHEJIANG CHUNXU ALUMINUM CO LTD