80 results about "Pressure casting" patented technology

The invention relates to a two-chamber low-pressure casting holding furnace and a low-pressure casting method. The two-chamber low-pressure casting holding furnace comprises a heat preservation chamber, a low-pressure casting chamber, a communicating cavity, a liquid rising pipe, a first air inlet pipe and a liquid opening, wherein the heat preservation chamber comprises a precipitation cavity and a confluence cavity; and the communicating cavity comprises a liquid inlet section, a transition section and a liquid outlet section. Compared with the prior art, the heat preservation chamber of the holding furnace is directly communicated with the low-pressure casting chamber, an intermediate valve is omitted, and the pressure bearing capacity of the holding furnace is greatly improved; and large pressure can be generated by arranging a second air inlet pipe and enabling the second air inlet pipe to be matched with the first air inlet pipe, so that the overall working performance of the holding furnace is improved in a spanning manner, the holding furnace can be used for producing thin structural parts, such as automobile chassis parts, A columns and B columns, with larger projection areas, and the practicability of the holding furnace is greatly improved.

This invention relates to the field of metal heat treatment technology, specifically disclosing a vibration-assisted low-pressure casting method and apparatus, comprising: a casting mold, a crucible, a riser pipe, a compressed air conveying structure, and an ultrasonic vibration auxiliary module. The casting mold is divided into a left mold and a right mold, which are fixedly connected. The crucible is connected to the riser pipe, and the riser pipe is connected to the gating system of the casting mold. The ultrasonic vibration auxiliary module includes a mold insert and a piezoelectric ceramic plate. The piezoelectric ceramic plate is disposed between the mold insert and the cavity surface of the casting mold, and is electrically connected to an ultrasonic generator. This invention's vibration-assisted low-pressure casting method and apparatus organically combine ultrasonic vibration technology with traditional low-pressure casting processes, fundamentally solving the problem of insufficient filling in complex structure castings and improving the density of the casting during solidification.

The utility model relates to metal casting technical field, and disclose a kind of low-pressure casting mould of adjustable casting cavity, including top die, bottom die, side mould, top rod, top rod plate, connecting plate, pull rod, the top die includes top die body, top die core, slider, inclined guide pillar, stop block, spring, the top die body is fixedly connected with stop block by bolt, and slidingly connected between slider, the top die core is fixedly connected with shunt cone, top die core and slider can be relatively moved between.The inclined guide pillar is fixed on connecting plate, connecting plate fixed pull rod, pull rod top end sets drive mechanism, for the lifting of inclined guide pillar, the slider corresponding inclined guide pillar direction sets a from top to bottom inclined through-hole, when inclined guide pillar moves downward, it can be inserted into the inclined through-hole of slider, slider is driven to move in direction away from top die core.This structure mould structure when switching size offset product does not need to add additional top die core, and can easily realize the change type work on die-casting machine platform, i.e. simple structure, convenient operation, improve metal utilization rate can also save time and increase production efficiency, save production cost.

This invention discloses an integrated adaptive filling and venting device for high-pressure casting of aluminum alloys, comprising a mounting plate integrally formed from high-strength cast iron, serving as the mounting and bearing foundation for the entire device. A support base is bolted to the top, the support base being a hollow frame structure with an open top, used to support and provide stable support for the fixed mold base. The fixed mold base is located on top of the support base, and the fixed mold base is sealed and fixedly connected to the support base. A mold groove is provided on the top of the fixed mold base. This device achieves integrated and automated filling, venting, and demolding. Adaptive reciprocating filling and venting thoroughly removes impurities from the mold cavity, avoiding casting defects; gas-free demolding protects casting precision; precise pressure control adapts to multiple casting specifications; compact structure, reliable operation, improves production efficiency and casting qualification rate, reduces labor and maintenance costs, and meets the needs of high-end aluminum alloy precision casting.

This invention relates to the field of auxiliary equipment technology for low-pressure metal casting, specifically to a forming stabilizing device for ultra-high voltage GIS aluminum alloy conductors, used in conjunction with low-pressure casting equipment. The low-pressure casting equipment includes a casting mold and a pressure-holding air circuit. The sand core inside the casting mold includes an extended section of the sand core core extending out of the casting mold. The device includes: an external frame disposed outside the casting mold; a stabilizing ring seat provided on the external frame at an axial position in the forming clearance channel; and a pressure-holding and pressure-tapping stabilizing mechanism provided on the stabilizing ring seat, the pressure-tapping side of which is connected to the pressure-holding air circuit. Compared to the prior art, this application, by setting an external frame and a stabilizing ring seat outside the casting mold, and forming a pressure-holding and pressure-tapping radial stabilizing structure through a pressure-tapping diaphragm cavity, an axial pressure ring, a wedge-shaped push ring, a stabilizing slider, and an arc-shaped pressure claw, allows the extended section of the sand core core to automatically generate a radial self-centering holding force under the same process pressure after the pressure-holding air circuit of the low-pressure casting is pressurized.

The utility model provides a kind of multifunctional casting machine, including the smelting furnace that can melt metal is injected into mould under the action of pressure by pressure injection port;And the mould that can be side provided with pouring gate is closed, and drive mould to move to make pouring gate close or away from the mechanical hand of the pressure injection port;Pressure injection port is set to the side of smelting furnace along horizontal line;Mechanical hand is set on base, and first drive is set on base, and it can drive mechanical hand to rotate along the axis of pressure injection port. Realize pressure casting while its mechanical hand can be driven under the first drive and rotate along the axis of pressure injection port, to realize mould and turn over along axis, so first cooling cavity can be turned over to bottom, to realize complement by the gravity of melt metal itself, this mode can realize the double complement of pressure maintaining and gravity, greatly reduce the problem of internal and external surface shrinkage of part;And its structure is simple and cost is lower.

This invention provides a semiconductor substrate on which a bottom layer and a patterned hard mask layer are sequentially formed. A pattern template is formed on the patterned hard mask layer using a pressure casting method. The pattern template is baked and cooled with a release-aiding spacer layer. The pattern template coated with the release-aiding spacer layer is pressed onto a flat plate. A vacuum-defoamed adhesive liquid is pressure-cast into the gaps of the pattern template coated with the release-aiding spacer layer using a semiconductor material to be processed coated with an tackifier, with the pattern template as the bottom. After standing, it is baked. The flat plate is removed, and the adhesive liquid area is irradiated with ultraviolet light to cure the adhesive liquid. The pattern template coated with the release-aiding spacer layer is removed using a release agent to form a patterned adhesive layer. This allows for more precise pattern transfer, multiple pattern templates can be used multiple times, and ultimately saves on the cost of photolithography and etching processes.

This invention discloses a low-pressure casting and heat treatment process for high-strength and high-toughness aluminum alloy used in contact wire ratchet, belonging to the field of rail transit component manufacturing technology. The process uses AlSi7Mg0.3 alloy, obtaining high-purity aluminum liquid through two refining and modification treatments. In the low-pressure casting stage, a three-stage pressure control is adopted: the first stage is the liquid-raising stage, the second stage is the mold-filling stage, the third stage is the pressure-increasing and shrinkage-compensating stage, and finally, pressure holding and cooling are performed; followed by T6 heat treatment. This invention solves the casting problems of easy air entrapment in ratchet teeth and easy shrinkage porosity in the hub. The casting has a tensile strength ≥275MPa and a breaking load ≥94.5kN, meeting the requirements for a 2×10 contact wire ratchet. 5 Secondary fatigue load requirements.

A new type of pressure casting pot, including pot body and its adaptation pot cover, pot body and pot cover are equipped with flange at the joint, the left side or right side of pot cover is hinged with pot body through hinged structure, the upper and lower sides of pot body are symmetrically equipped with locking unit, locking unit includes hook plate piece and telescopic device, one side of hook plate piece can be hooked in the flange outside of joint pot cover, the other side is connected with telescopic device, the flanges of pot body and pot cover are all provided with corresponding multiple connecting holes, hook plate piece is equipped with connecting rod passing through one of connecting holes, the end of connecting rod near telescopic device is detachably connected with hook plate piece.The locking unit of the utility model is symmetrical up and down, can provide uniform locking force, the hook head is responsible for direct bearing and hooking, the L-shaped plate is responsible for force arm conversion and connection, so that the horizontal thrust from the telescopic device can be effectively converted into the vertical force of the hooking flange, two locking devices can act synchronously, it is convenient to open the pot cover slowly at the same time, and the eccentric wear and tear phenomenon of sealing ring is reduced.

A kind of low-pressure casting mould's turnover side mould, including side mould, side mould seat, the side mould is fixedly connected with side mould seat, side mould is used to cooperate with lower mould, upper mould and form cavity, a oil cylinder support is fixedly installed on mould base, the side mould seat is slidably fitted on the slide rail of oil cylinder support, an oil cylinder is fixed on the outside of oil cylinder support, the piston rod of the oil cylinder is hingedly fixed with side mould seat by passing through oil cylinder support, guiding device is arranged on the side mould seat, limiting device is arranged on the oil cylinder support, the position of guiding device and limiting device corresponds, the oil cylinder drives side mould seat to slide, so that guiding device and limiting device contact and form limiting guide structure, realize side mould turnover.

This utility model relates to the field of aluminum alloy wheel casting and discloses a cooling structure for a low-pressure casting mold. It includes an inner cooling ring connected to a water inlet pipe, a strong cooling pipe corresponding to the area of ​​the mold requiring intense cooling, and an outer cooling ring surrounding the inner cooling ring. The outer wall of the inner cooling ring and the inner wall of the outer cooling ring serve as a return water channel for cooling water flow. The outlet of the strong cooling pipe connects to the return water channel, which in turn connects to the return water pipe. This utility model achieves differentiated cooling for specific areas of the mold, improving the problems of shrinkage cavities, porosity, deformation, and cracks in wheel products. The sleeve-type cooling structure effectively improves the high risk of leakage associated with traditional cooling methods. Furthermore, the sleeve-type cooling structure ensures that the low-temperature cooling water entering the cooling structure undergoes pre-heat exchange in the inner cooling ring through the return water channel before entering the strong cooling channel for intense cooling, overcoming the thermal stress caused by excessive temperature differences in the cooling water.

This invention relates to the field of aluminum alloy welding technology, specifically to a welding wire, its preparation method, and its application for welding AlSi10MnMg die-cast aluminum alloy and Al-Mg-Si extruded aluminum alloy. By adding alloy metals La, Sr, and Y to the composition of traditional welding wires and precisely controlling the content of Sr, La, and Y, the welding performance of the welding wire can be significantly improved. Applying this invention to the welding of the frame of aluminum alloy battery trays improves the microstructure, suppresses the formation of porosity and looseness within the metal, and ultimately improves the welding reliability of dissimilar alloy components of power battery trays. It also significantly improves the mechanical properties of the welding wire material and eliminates microcracks and porosity defects at the weld seam after welding.

This invention discloses a method for preparing high-manganese steel plates by hot rolling after surface infiltration of TiC using a lost foam casting process. This invention combines lost foam casting, TiC infiltration, hot rolling, and water quenching. TiC particles are used as the reinforcing phase, and a coating is prepared using a special silica sol refractory binder and sodium-based bentonite suspending agent. Key processes include drying the TiC coating layer, re-drying after applying the lost foam refractory coating, negative pressure casting, hot rolling, and water quenching. Nickel and copper alloying elements are introduced into the matrix to achieve a good match between the infiltrated layer and the matrix. Through the synergistic effect of the components and processes, this invention enables the plate to possess both high surface wear resistance and matrix toughness. The infiltrated layer has a stable bond, and the process is highly controllable, thus improving the performance and service life of high-manganese steel plates under wear-resistant conditions.

This utility model relates to a heating device for the throat of a riser pipe in a low-pressure casting machine. It includes a crucible containing molten aluminum, with a riser pipe inserted into the crucible and extending into the molten aluminum. An induction heater is fitted at the throat of the riser pipe, connected to a heating unit. A steel flange is located in the middle of the induction heater, fitting snugly against the outer wall of the throat of the riser pipe. This utility model achieves integrated control through a heating unit, using electromagnetic induction to precisely control the temperature of the riser pipe throat. The steel flange in the middle of the induction heater allows heat to be conducted to the riser pipe and then to the molten aluminum as the flange heats up, effectively solving the problem of aluminum solidification.

This invention discloses a low-carbon titanium-reinforced environmentally friendly wear-resistant alloy and its preparation process, belonging to the field of wear-resistant materials technology. The alloy, by weight, contains 84-96 parts of low-carbon pure iron, 6-12 parts of medium-carbon ferromanganese, 0.6-1.2 parts of microcrystalline graphite, and 1.4-2.2 parts of titanium-based composite alloy, etc., with no active addition of chromium or nickel. Chromium is a raw material impurity ≤0.04%, and the carbon content is controlled at 0.5%-0.9%. The preparation process includes raw material modification, three-stage refining, recycled sand mold preparation, low-pressure casting, and dual-temperature heat treatment. Performance improvement is achieved through titanium-based composite reinforcement, rare earth purification, and gradient deoxidation. It boasts a high resource recycling rate and is suitable for manufacturing wear-resistant parts for mining and building materials equipment, solving problems such as poor environmental performance, performance imbalance, and low process adaptability of traditional materials.

1. Name of the product in this design: Low-pressure casting machine (455). 2. Application of this design: for use in low-pressure casting machines. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The application provides a non-ferrous metal high-pressure casting device, which comprises a lower die base and a lower die plate fixedly installed at the middle part of the upper portion of the lower die base, the opposite sides of the upper portion of the lower die base are provided with upper die bases, the middle part of the lower portion of the upper die base is fixedly installed with an upper die plate, the middle part of the upper die plate is installed with a sprue pipe, the outer portion of the sprue pipe is provided with a transmission mechanism, the inner surface of the sprue pipe is provided with a matching groove, and the inner portion of the matching groove is provided with a scraping mechanism; the two sides of the lower portion of the upper die base are fixedly installed with upper limiting mechanisms, the opposite sides of the lower portion of the upper limiting mechanism are provided with lower limiting mechanisms, and the lower limiting mechanisms are rotationally arranged on the lower die base; the upper limiting mechanism and the lower limiting mechanism are sleeved when the upper die plate and the lower die plate move towards each other. The transmission mechanism continuously drives the scraping mechanism to rotate by using strong magnetic force, so that the scraping mechanism can make radial scraping action around the inner surface of the sprue pipe, thereby the residues possibly existing on the inner surface of the sprue pipe can be scraped.

The invention discloses a pyrolytic graphite and aluminum alloy high-strength metallurgical material containing a gradient transition layer and a preparation method of the pyrolytic graphite and aluminum alloy high-strength metallurgical material, and relates to the technical field of alloy materials. The method comprises the following steps: firstly, carrying out laser micro-texture treatment on the surface of a pyrolytic graphite core material to increase the bonding area; then preparing inner-layer powder and outer-layer powder of Cu-Ti-B4C components, sequentially depositing on the graphite surface through a cold spraying technology after ball milling, and constructing a gradient transition layer; then vacuum diffusion sintering is conducted, and metallurgical bonding of the transition layer and the graphite is achieved; then preparing an aluminum alloy melt containing graphene; and finally, preheating the graphite core material with the gradient layer, combining the aluminum melt with the transition layer by adopting a vacuum-assisted pressure casting process, and carrying out heat treatment to obtain a finished product. By constructing the gradient transition layer with gradually changed components and performance, interface thermal stress is effectively relieved, generation of harmful brittle phases is inhibited, and high-strength and high-thermal-conductivity reliable connection between pyrolytic graphite and aluminum alloy is achieved.

This invention discloses a rotary suspension clamp body aluminum molten casting device and casting process, relating to the field of metal casting technology, including a molten metal heat preservation device, a solution pretreatment mechanism, and a low-pressure casting mechanism. This invention achieves efficient pretreatment of the molten metal by setting a rotating central rod and its auxiliary components inside the solution vessel. Before conveying, the coordinated rotation of the corrugated screen and ceramic foam stack effectively adsorbs and filters oxide slag on the surface of the molten aluminum, ensuring the purity of the molten metal from the source. Simultaneously, the turbulence generated by the stirring plates breaks the static state of the molten metal, promoting the floating and separation of internal inclusions. Subsequently, the inclined blades and spiral guide at the bottom gather the molten metal upwards and towards the center, forming a stable, air-free laminar flow state, reducing the gas content in the molten metal and preventing the re-entry of gas during conveying.

The application discloses a composite core which can be used for extrusion casting and pressure casting, and is composed of an inner core and a sand core layer, and can be used for extrusion casting and pressure casting, and can make the core free from preheating, and the sand core layer can be easily collapsed, so that the core can be easily taken out after the casting is completed.

The application discloses an aluminum alloy pressure casting plunger head material matched with the thermal expansion coefficient of H13 cylinder and a preparation method thereof, and belongs to the technical field of metal materials and aluminum alloy pressure casting. The chemical composition of the material is as follows in terms of percentage by weight: C 3.70-3.75%, Si 1.80-2.20%, Mn 0.60-0.70%, P ≤0.04%, S ≤0.02%, Cr 0.30-0.40%, Cu 0.70-0.80%, Mo 0.25-0.30%, Sb 0.005-0.007%, and the balance is Fe. The application precisely controls the thermal expansion behavior of the material at 25-700 DEG C through the synergistic effect of Cu and Mo, so that the deviation of the expansion coefficient of the material from that of the H13 cylinder is less than or equal to 5%, and the expansion difference stress in the heating stage is eliminated from the root. Meanwhile, high pearlite structure is obtained by combining low Cr and trace Sb, and the high-temperature oxidation resistance and non-stick aluminum characteristics are improved by using appropriate Si.

The present application relates to the technical field of aluminum alloy low-pressure casting, in particular to a low-pressure casting mold and process for a high-strength aluminum alloy support assembly, a bottom mold assembly is provided with a C-shaped channel in the wall body and a lower positioning column is sleeved on the top surface, an upper mold assembly is provided with a C-shaped channel in the wall body and an upper positioning column is sleeved on the bottom surface, four side mold assemblies are respectively provided with vertical flow channels in the wall body and are respectively provided with positioning holes on the top and bottom surfaces; a side mold closing assembly is used to drive the side mold assemblies to move synchronously in the radial direction to complete lateral mold closing, and a mold pressing assembly is used to press and fix the top surface of the upper mold assembly after vertical mold closing. The C-shaped channel of the bottom mold assembly, the vertical flow channels of the side mold assemblies and the C-shaped channel of the upper mold assembly form a gradient cooling system, and the cooling liquid flows sequentially from bottom to top. The casting process includes mold closing, mold locking, inert gas filling and vacuumizing, gradient cooling starting, low-pressure filling, pressure increasing and holding, and mold opening and demolding. The mold closing locking force and cooling uniformity are improved to improve the casting quality.

The application discloses a kind of continuous wave windings of axial motor, it is related to motor technical field, including annular stator core, stator core is equipped with several gaps along the axial direction;Several integrally formed windings, several windings are sequentially stacked along the axial direction, S-shaped curve is equipped on winding and gap is matched, adjacent winding is misaligned at gap, and several windings form the circulation of ladder shape;Structure gasket, structure gasket is located between adjacent winding;The radial straight-through cooling flow channel of the S-shaped winding integrally pressure casting formed with the axial ladder-shaped stacking structure, the electrical performance and heat management capability of the system optimization of axial flux motor winding forming process are realized by cooperation structure gasket construction;Pressure casting molding eliminates the bending work hardening and insulation layer damage risk of traditional flat wire winding, maintains the original crystal structure and electrical conductivity of copper material, while avoiding the uneven welding point resistance, high failure rate and low production efficiency and other problems caused by multi-section welding.

This utility model proposes a heat-insulating furnace cover structure for a low-pressure casting multi-cavity mold, including a furnace cover plate with multiple riser pipe bases on its top surface. Each riser pipe base has a vertical pipe inside, which is wrapped by an insulation layer, and its top has an inlet communicating with the vertical pipe, the inner diameter of which is smaller than the inner diameter of the vertical pipe. A clamping structure is located on the top of the riser pipe base to fix the upper part of the riser pipe after it is inserted into the inlet. At least one layer of insulation panel is located at the bottom of the furnace cover plate, and the insulation panel has an opening communicating with the vertical pipe. Multiple riser pipe bases support molds with a higher number of cavities, such as an 8-cavity layout. Although the sealing area is large, "point-to-point" sealing control is achieved through the separate base structure. The clamping structure allows for detachable fixing of the riser pipes, and combined with the guiding function of the inlet, it provides independent adjustment function. The insulation layer wrapping the vertical pipe achieves "local heat insulation," and the insulation panel provides the dual function of "overall heat insulation."

The utility model relates to a kind of pouring system structure of damping tower die casting mould, including material cake cavity and two product runner cavities being communicated with the material cake cavity, two the product runner cavities include main runner cavity, two branch runner cavities, eight secondary branch runner cavities and product cavity, the one end of two the main runner cavities is communicated with the material cake cavity, two the branch runner cavities are symmetrically arranged, and one end is communicated with the other end of corresponding the main runner cavity, eight the secondary branch runner cavities are arranged at intervals, and wherein first and eighth the secondary branch runner cavities one end respectively communicates the other end of two the branch runner cavities, the other end of eight the secondary branch runner cavities is communicated with the product cavity, and the other end of each the secondary branch runner cavity is communicated with corresponding the product cavity and forms inner gate.The utility model can improve the technical problem that the production efficiency of existing damping tower is lower, and production cost is higher, and the rate of defective product is higher.

The application discloses a turbocharger shell, a mold thereof, a turbocharger and a vehicle. The turbocharger shell comprises a shell body, which is integrally pressure-cast to form a basic flow channel area and a valve seat. The basic flow channel area comprises an air inlet flow channel, a spiral flow channel and an air outlet flow channel which are sequentially communicated. The valve seat is used for mounting an electrically-controlled pressure-end circulation valve, and a horizontal projection of the valve seat on a horizontal plane does not coincide with the basic flow channel area. The application innovatively proposes a valve seat position design in which the horizontal projection of the valve seat does not coincide with the basic flow channel area, breaks the inherent thinking that the ECRV valve seat can only be arranged above the basic flow channel area in the prior art, and enables the position of the ECRV valve to be flexibly adjusted in the circumferential direction of the turbocharger, so that the application range is wider. In addition, the basic flow channel area and the valve seat are integrally pressure-cast on the shell, and the cost advantages of high-pressure casting, such as high production efficiency, stable size precision and small machining allowance, are retained.

This invention belongs to the field of non-ferrous metal casting technology and discloses a low-pressure process for precision casting of magnesium alloy using a high-temperature sintered shell, comprising the following steps: Step 1: Preparing an investment mold assembly; Step 2: Bonding graphite chills to the thick and hot sections of the investment mold assembly; Step 3: Applying slurry and sprinkling sand layer by layer onto the investment mold assembly after bonding the graphite chills; Step 4: Dewaxing and sintering the investment mold assembly after slurry application and sand sprinkling to obtain a ceramic shell; Step 5: Shaping the ceramic shell to form an upper sand mold and a lower sand mold; Step 6: Assembling the upper and lower sand molds to form a composite structure mold; Step 7: Melting the magnesium alloy; Step 8: Low-pressure casting of the magnesium alloy in the composite structure mold; Step 9: Inspecting the cast parts.

The application discloses a low-pressure casting wheel mold with an aluminum alloy prefabricated framework and a process thereof, which comprises a side mold, an upper mold and a lower mold, a spoke cavity is formed between the side mold, the upper mold and the lower mold, a prefabricated part is arranged in the spoke cavity along the spoke direction, a mold positioning and limiting device is arranged on the prefabricated part, the prefabricated part is made of an aluminum alloy metal material, the forming mode of the prefabricated part is one or a combination of multiple modes in casting, forging, extrusion and machining, and the shape of the prefabricated part is one of V-shaped, W-shaped and U-shaped according to the spoke cross-sectional shape. The low-pressure casting wheel mold with the aluminum alloy prefabricated framework and the process thereof can significantly improve the elongation, yield strength and tensile strength of the spoke, meet the impact and fatigue test requirements, support the lightweight design of the wheel, and the matched mold is provided with a positioning and cooling structure, has strong process compatibility, and is suitable for large-scale production.

This invention discloses a high-pressure casting machine for automotive casting and its casting method, comprising a support base plate, a support block one fixedly mounted on the top of the support base plate, a support block two fixedly mounted on the top of the support base plate, a drive assembly mounted on the top of the support blocks one and two, and a support pad fixedly mounted on the top of the support base plate; the output end of the drive motor can drive the barrel to rotate. On the one hand, it can make the die-casting raw material inside the barrel continuously tumble and mix, so that the heat generated by the heating rod is more evenly distributed in the raw material, avoiding local overheating or incomplete melting of the raw material, greatly improving heating efficiency, making the heating effect of the heating rod on the barrel more uniform, and melting the die-casting raw material inside the barrel more quickly. On the other hand, uniform rotation helps to improve the fluidity of the die-casting raw material, creating favorable conditions for the subsequent extrusion molding stage.