307 results about "Precision casting" patented technology

The invention discloses a vacuum negative pressure vibration assisted precision casting forming method. The method comprises the steps of model preparation, sand box and dry sand pretreatment, layered vibration sand filling, film covering vacuumizing, molten metal smelting and purification treatment, negative pressure vibration pouring, pressure maintaining solidification, segmented temperature control and pressure relief box opening and multi-stage cleaning aftertreatment. The core of the method is that mechanical vibration and a vacuum negative pressure technology are deeply coordinated and penetrate through the whole process of modeling, pouring and solidification, and meanwhile, a series of fine control means such as dry sand accurate pretreatment, molten metal rotary blowing degassing and instantaneous inoculation, stepped negative pressure control, temperature-related segmented pressure relief and two-stage shot blasting cleaning are matched; through dynamic cooperation of vibration and negative pressure, the sand mold compaction uniformity, the molten metal mold filling capacity and the solidification feeding effect are remarkably improved, the casting defects of air holes, shrinkage porosity, insufficient pouring and the like are effectively reduced, and the internal density, the size precision and the surface quality of a casting can be remarkably improved.

The invention relates to the technical field of precision casting, in particular to a casting pouring design method and system based on deep learning. Automatic feature extraction is adopted, and geometric, topological and technological features are automatically extracted from an STP format three-dimensional model of a casting and a pouring system. And constructing a deep learning model, and learning a complex mapping relationship between casting features and a pouring system structure. According to the method, expert experience is fused, casting process rules and expert knowledge are embedded into an AI model through a pre-learning standard model and a structure library, and design reasonability and interpretability are improved. End-to-end generation is adopted, and full-process automation from new casting model input to complete pouring system three-dimensional model output is achieved. The design efficiency is remarkably improved, automatic design from a casting to a pouring system is achieved, and the traditional design period from several days to several weeks is shortened to the minute level. According to the method, the design quality is controllable, and the design is ensured to meet the casting process requirements by embedding a standard model, artificial experience and process rules.

The utility model belongs to the technical field of precision casting dies, and particularly relates to an alloy casting precision casting die which comprises a water tank, a lower die is fixedly connected to the top of the water tank, an upper die is arranged on the top of the lower die, a cooling groove is formed in the lower portion of the interior of the lower die, and cooling circulation pipes are fixedly connected between the two sides of the top of the water tank and the lower die. One ends of the two cooling circulating pipes extend into the lower mold and are respectively communicated with the two ends of the cooling tank; the utility model provides a precision casting mold for an alloy casting, and solves the problems that in the prior art, after the alloy casting is cast, the casting can be demolded and taken out after being naturally cooled, but the natural cooling is very time-consuming, the casting is tightly adhered to a mold groove, and the casting cannot be taken out after being naturally cooled. As a result, labor burden is increased while the demolding efficiency is reduced, the casting cannot be quickly cooled and molded, the casting cannot be quickly demolded, and the residual heat of the mold and the casting can scald workers during demolding work.

The application discloses a kind of ceramic core automatic wax filling systems, it is related to precision casting technical field, to solve one of the problems of ceramic core wax filling operation in prior art relies on manual, filling quality consistency is poor, production efficiency is low and waxing needle switching operation is complicated.The ceramic core automatic wax filling system of the present application includes waxing assembly, ceramic core loading tray assembly, wax melting and wax flow control assembly and loading tray displacement servo assembly;The waxing assembly is arranged in the side of the loading tray displacement servo assembly;The ceramic core loading tray assembly is arranged on the loading tray displacement servo assembly;The wax melting and wax flow control assembly is connected with the waxing assembly by pipeline;The loading tray displacement servo assembly is used to drive the ceramic core loading tray assembly to rotate and pitch.The present application can realize the automation of ceramic core wax filling process, improve the consistency of wax filling quality and production efficiency, and facilitate quick switching waxing needle.

The invention belongs to the field of precision casting of metal materials, particularly relates to a short-process preparation method for a wax mould of a hollow casting based on 3D printing and combined assembly, and is particularly suitable for preparing the wax mould of a high-temperature alloy large hollow casting such as a gas turbine blade. The method comprises the following steps: (1) subdividing a three-dimensional model; (2) printing a wax mold part; (3) assembling a mold core and the wax mold part; (4) bonding and combining; according to the method, the wax mold part of the precision casting wax mold is prepared by utilizing the 3D printing technology, and the wax mold part and the mold core are combined together through the combination tool, so that the processes of manufacturing an appearance mold and injecting wax into the mold core are avoided, the production cycle is shortened, the cost is saved, and meanwhile, the qualification rate of the mold shell is increased.

The invention relates to the technical field of impellers, in particular to an integral impeller forming method and an integral impeller, and the integral impeller is manufactured through the steps of manufacturing a water-soluble core, manufacturing an impeller wax mold, removing the water-soluble core in the wax mold, manufacturing slurry of a mold shell, manufacturing the mold shell, dewaxing and cleaning, roasting and forming parts. The water-soluble core is used for supporting the inside of the wax mold, a complex internal structure is formed through an accurate molding process, the size accuracy and the surface quality of the impeller are ensured, then an integral shell is obtained through three-layer coating, alloy is poured into the shell at high temperature to be solidified to form an impeller part, the integrity of the impeller and the consistency of materials are ensured, and the service life of the impeller is prolonged. According to the method, the risk of size inaccuracy caused by secondary splicing of the impeller is effectively avoided, the precision and the quality of a casting part are greatly improved, particularly in the precision casting field such as the aerospace industry or the automobile industry, remarkable technical advantages are achieved, and the performance reliability and the service life of impeller parts are ensured.

This invention relates to the field of casting technology for sand cores and sand shells, and particularly to a method for preparing high-precision casting sand cores and sand shell components based on a coated sand process. The method includes the following steps: rinsing quartz sand and reacting it with a sodium silicate solution to obtain coated quartz sand; adding 3-aminopropyltriethoxysilane and water to the coated quartz sand in a high-speed mixer; sequentially adding modified benzoxazine resin, calcium citrate, magnesium chloride, hyperbranched polyamide, and polycaprolactone-grafted starch to obtain finished coated sand; plasma-treated chromium-12 molybdenum-vanadium mold steel to obtain an amino-modified mold; sand-jetting the finished coated sand into left / right half-shells; shaping and pre-embedding chromite sand cores with chills to obtain left / right half-shell green blanks; milling the surfaces of the left / right half-shell green blanks, coating them with resin, butt-jointing, curing, and deburring to obtain the casting sand core and sand shell. This method solves the problems of poor mechanical strength, poor high-temperature stability, low production efficiency, and poor environmental performance in high-precision casting sand cores and sand shells.

The invention relates to the technical field of old sand regeneration, in particular to an environment-friendly process for regenerating and recycling precision casting old sand. Comprising the following steps that old sand is manually selected, and the crushed old sand is subjected to primary magnetic separation through strong magnetic equipment; the used sand obtained after magnetic separation is ground and rubbed for the first time, the used sand is subjected to magnetic separation for the second time after being ground and rubbed, and the used sand with different mesh numbers is screened out through a screen; the used sand is ground and rubbed for the second time and then screened again, and sand grains are obtained; and the obtained sand grains are subjected to dust removal and magnetic separation procedures, and regenerated used sand is obtained. According to the method, the raw materials are reduced in the grinding process, then the used sand is subjected to strong magnetic separation and screening, then the screened sand grains are subjected to secondary screening and dust removal, the regenerated used sand is obtained, a binder film on the surface of the used sand is fully removed through the first-time grinding and rubbing procedure and the second-time grinding and rubbing procedure, no waste is generated in the whole treatment process, and the method is environmentally friendly. Therefore, the used sand can be recycled and regenerated on the premise of ensuring environmental protection.

The utility model provides a valve core seat, wash basin faucet installation structure and wash basin faucet, wherein the valve core seat is used for communicating the valve core of faucet and the water inlet pipe, the valve core seat is provided with a circular installation part used for jointing the valve core, one side of the installation part facing the valve core is provided with a downwards recessed positioning groove, and the positioning groove is used for positioning the valve core; a plurality of water passing holes are formed in the mounting part, and the side, back to the valve element, of the hole wall of each water passing hole protrudes downwards to form a connector used for being connected with a water inlet pipe; a flange used for being connected with a faucet shell is arranged on the outer side wall of the installation part. Compared with a valve core seat in the prior art, the structure can save more materials, and is light in weight and lower in manufacturing cost; and machining is completed through stainless steel precision casting, mold forming is achieved, size deviation is avoided, and production is better facilitated.

This invention relates to the field of casting mold technology and discloses a precision casting mold for a motorcycle air intake pipe. The mold includes a mold frame mechanism and a high-frequency vibration mechanism, a rotatable striking fin mounted at the center of the bottom of the lower casting mold, a flexible track mounted below the striking fin and rotating with the rotor of a drive motor, a protruding column for rotating the striking fin with the flexible track, and multiple vibrating rods fixedly mounted at the bottom of the lower casting mold and capable of colliding with the striking fin. This precision casting mold for a motorcycle air intake pipe utilizes the high-speed rotating striking fin to collide with the vibrating rods at a high frequency. This collision causes the mold used to manufacture the motorcycle air intake pipe to produce high-frequency vibration. This vibration increases the fluidity of the molten metal, thereby accelerating the upward discharge of bubbles and increasing the bubble elimination rate, thus improving the quality of the finished product.

The application belongs to the technical field of precision casting, and particularly relates to a high-viscosity and high-strength precision casting adhesive wax and a preparation method thereof. The adhesive wax comprises the following components: 30-40 parts of paraffin wax, 16-24 parts of microcrystalline wax, 25-30 parts of petroleum resin, 8-14 parts of rosin resin, 5-10 parts of EVA, 2-5 parts of LDPE and 0.1-2 parts of additives; wherein the LDPE is composed of two kinds of LDPE with different melt indexes. By introducing the petroleum resin, rosin resin, ethylene-vinyl acetate copolymer (EVA) and low-density polyethylene (LDPE) into the paraffin wax and microcrystalline wax base system, and controlling the proportion between the resin system and the polyolefin reinforcing system, the adhesive wax has high viscosity and hardness at 100 DEG C, and the bending strength is improved. Thus, the comprehensive performance of the adhesive wax is achieved, i.e., the adhesive wax is not easy to sag at high temperature, is not easy to be pressed at room temperature, and is not easy to crack under stress.

The application relates to a precision casting forming die for a brake piston, which comprises a fixed die, an intermediate die, a movable die and an ejection assembly, a pressure casting is formed between the intermediate die and the movable die, and a material handle is formed between the fixed die and the intermediate die; the material handle comprises integrally-formed main sprue waste and a runner waste, the ejection assembly is used for ejecting the main sprue waste towards the side of the intermediate die when the fixed die and the intermediate die are opened; one end of the runner waste, which is far away from the main sprue waste, is provided with a clamping block, and a clamping groove matched with the clamping block is arranged on the fixed die. During the process of opening the fixed die and the intermediate die, the end of the runner waste close to the pressure casting is limited on the fixed die, thereby being separated from the pressure casting, the other end is not limited and is pushed towards the side of the intermediate die under the action of the ejection assembly, the runner waste is deformed, thereby keeping most of the runner waste separated from the fixed die and the intermediate die, and finally an operator manually pulls down the runner waste so that the clamping block is separated from the clamping groove.

This invention relates to the field of precision casting technology, and more particularly to a ceramic core and its preparation method, comprising the following steps: A. Obtaining a ceramic cold core by fused deposition modeling of a ceramic matrix composite material; B. Placing the ceramic cold core in a ceramic core mold, and then injecting ceramic core slurry for injection molding to form a ceramic core matrix, thereby obtaining a ceramic core blank encapsulating the ceramic cold core; C. Obtaining the ceramic core blank by degreasing and calcining. The ceramic core and its preparation method provided by this invention offer advantages in simplifying the preparation process, improving the flexibility of ceramic core preparation, solving the problem of easy depression in ceramic core blanks, and ensuring that the ceramic core is easily disintegrated and cleaned after casting, thus meeting practical application requirements.

The present application relates to the technical field of casting processing device, specifically relates to a copper alloy precision casting multi-station processing device and processing mode, the processing device includes parts and multi-station fixing parts, the multi-station fixing parts include the bottom plate, the fixed plate being arranged on the bottom plate, the angular fixing assembly being arranged on the side of the fixed plate and the axial clamping assembly being arranged on the bottom plate are fixed to the multi-station fixing parts;The angular position of the part is fixed through the angular cylinder control clamping plate and convex body sliding clamping, and the axial position of the part is fixed by using the clamping cylinder, so that one-time multi-piece processing can be realized, the difference of traditional manual clamping by different operators is solved, the yield is improved, the production cycle is reduced, and the production cost is reduced.

This application provides a method, apparatus, and equipment for detecting shell occupancy, relating to the field of casting process and quality inspection technology. It addresses the technical problems in related technologies where, during the investment casting production process, the detection of abnormal occupancy of the loading pallet and the mold chamber pallet via an automatic transfer system for transferring cold and hot shells is inaccurate, and abnormal shell posture cannot be identified in a timely manner. The method includes: acquiring pallet image information; determining the pallet occupancy status and shell posture status based on the pallet image information; acquiring a transfer command signal; generating an abnormal status signal based on the pallet occupancy status, the transfer command signal, and the shell posture status; adjusting the transfer command signal based on the abnormal status signal and the pallet image information to generate a real-time control signal; and controlling the transfer system to perform corresponding operations based on the real-time control signal.

The utility model belongs to the field of precision manufacturing technology discloses a brake parts gradient cooling precision casting mould, including casing, upper die and lower die, the top wall of casing is fixed with a support rod in four corner parts, the top fixed connection of support rod has first fixed plate, and first fixed plate is provided with dismounting mechanism, and the mould closing mechanism is provided on the casing, and the dismounting mechanism includes hydraulic ware, hydraulic rod, second fixed plate, slot, plug rod, first sliding slot, clamping block, first sliding block, two -way screw rod, second sliding block, third fixed plate, second sliding groove. The utility model discloses through setting up dismounting mechanism, makes brake parts gradient cooling precision casting mould have the function of convenient dismounting, can replace mould quickly and conveniently, is suitable for the requirement of different mould to different brake parts, can reduce the time and manpower cost because of mould adjustment, maintenance, improves the flexibility and production efficiency of production.

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.

The utility model discloses a double-waterway transverse metal drawing head, which relates to the field of metal drawing heads, and comprises a lateral drawing head, a check valve is fixedly arranged on the inner side edge of the lateral drawing head, a check valve connecting shaft is fixedly arranged on the inner side edge of the lateral drawing head, and the check valve connecting shaft is fixedly connected with the lateral drawing head. The inner side edge of the lateral drawing head is horizontally connected with a double-water-channel drawing hose in a clamped mode, the inner side edge of the lateral drawing head is fixedly connected with a bubbler connecting shaft in a clamped mode, the bottom end of the lateral drawing head is fixedly connected with an O-shaped ring in a clamped mode, and the lateral drawing head comprises a drawing head body, a drawing head connector, a sealing cover plate and a bubbler connector. The drawing head body is a machining part or a precision casting part or a forging part, the two sides of the interior of the drawing head body are each of a concave structure design, and a waterway structure seemingly complex can be achieved in a simple machining mode. A large number of plastic molds are not needed; various authentication can be easily passed; the drawing head is better in texture, and different color requirements can be designed more easily.

The utility model relates to the field of precision casting molds, and discloses a rapid forming type 3D printing fired mold precision casting pouring gate mold which comprises a threaded through hole, a left upper layer scale bolt and a left lower layer scale bolt are attached to the inner surface of the threaded through hole, and a right upper layer scale bolt and a right lower layer scale bolt are attached to the inner surface of the threaded through hole. A bottom-shell-free replaceable casting runner mold is attached to the inner surface of the left upper-layer scale bolt and the inner surface of the left lower-layer scale bolt, and a replaceable casting runner mold ceramic inner wall is tightly attached to the inner surface of the bottom-shell-free replaceable casting runner mold. A replaceable ceramic mold is tightly attached to the lower surface of the bottom-shell-free replaceable casting runner mold and the lower surface of the ceramic inner wall of the replaceable casting runner mold. Through cooperative use of the components, the effects that the pouring gate of the device has better wear resistance and corrosion resistance at the part bearing molten metal scouring, and the mold can accurately and rapidly adapt to angle and position adjustment in the 3D printing process are achieved.

The utility model provides a shaping device and hydraulic shaping equipment for a double-layer round-mouth product, and relates to the technical field of precision investment casting, a casting product inserted with an arc-shaped shaping strip leans into a lower semicircular cavity of a lower pressing plate main body, an upper pressing plate main body is pressed downwards, the upper pressing plate main body and the lower pressing plate main body are subjected to mold pressing, and after mold pressing is performed once, the arc-shaped shaping strip is pressed downwards. After the casting product is rotated by 180 degrees, shaping is finished, the casting is taken out, and the arc-shaped shaping strip is taken out, so that the shaping effect is good, the consistency is high, the shaping cost is low, and the shaping efficiency is high; and the limiting replacement block protrudes out of the top face of the lower pressing plate body, the shaping pre-pressing amount is adjusted according to the characteristics of different casting products, and therefore the effect that the shaping size is adjustable is achieved.

The utility model relates to automatic shell manufacturing line technical field, and specifically is a kind of precision casting automatic shell manufacturing line feeding and discharging vehicle, including rack, fixed with mounting mechanism and two fixed rods on the rack, the mounting mechanism is engaged with lifting mechanism, rotatingly installed with material storage mechanism on the fixed rod, the material storage mechanism includes pivot and connecting rod, pivot is rotatably connected in the fixed rod, the pivot is fixedly installed with connecting rod, connecting rod is fixedly connected with carousel on it, carousel is engaged with the installation of several clamping blocks in ring shape equidistant on it, clamping block is fixedly connected with hanger bar and lifting ring on it;Pivot drives connecting rod and carousel rotation, and through tool lifting ring, make it will hanger bar and clamping block be limited in carousel, further in the shell mold of being hung in the end of hanger bar is conveniently fed and discharged while being convenient for installing hanger bar on carousel.

The utility model discloses alloy precision casting deformation heat treatment correction equipment which comprises an equipment box and is characterized in that a supporting column is fixedly connected to the inner bottom surface of the equipment box, a circular plate is fixedly connected to the top end of the supporting column, an inner ring force application base is fixedly connected to the center of the circular plate, and a hydraulic telescopic column is arranged on one side of the inner ring force application base; one end of the top surface of the equipment box is fixedly connected with a driving motor, the outer side of an output shaft of the driving motor is fixedly sleeved with a driving gear disc, one end of the top surface of the driven gear disc is fixedly connected with a connecting block, and the top end of the connecting block is fixedly connected with an outer ring force application base frame; a force application roller box is connected into the outer ring force application base frame in a sliding mode. According to the device, the inner roundness of a ring is corrected from multiple directions through the two sets of hydraulic telescopic columns and the cambered surface force application blocks, and meanwhile the driving motor and the driven gear disc are used for driving the outer ring force application base frame and the force application roller box, so that synchronous correction of the outer flatness of the ring is achieved.

The utility model relates to the technical field of precision casting, and discloses a pneumatic ejector pin structure of a die for precision casting, which comprises a base and a movable die, a pneumatic mechanism is arranged at the bottom of the base, a plurality of guide rods are arranged between the base and the movable die, and a fixed die is arranged at the top of the base. A material injection pipe is arranged on the side, away from the base, of the movable mold, a plurality of airflow channels are formed in the fixed mold, a jacking mechanism is arranged in each airflow channel and comprises a guide sleeve, a stress plate is slidably connected to the interior of each guide sleeve, and a piston rod is fixedly connected to the top of each stress plate. According to the ejector pin system, the limiting ring and the reset springs are arranged in the guide sleeve, so that the piston rod can be prevented from being abraded in the product jacking process, the automatic reset function of the piston rod can be effectively provided, and long-time stable operation of the ejector pin system is guaranteed.

The invention discloses an aluminum alloy precision casting device for a pre-buried stainless steel pipe, which comprises a vacuum pouring tank body, a partitioned hot air regulation and control assembly, a thermal adaptation self-regulation assembly and a micro-gap thermal isolation assembly, and the partitioned hot air regulation and control assembly is mounted on the outer surface of the vacuum pouring tank body; according to the vacuum pouring tank, the annular variable-frequency high-pressure fan, the high-temperature gas storage tank, the rotary distribution valve and the branch pipes are matched with one another, and a triangular turbulent flow channel is formed by the air guide groove, the first air guide plate and the second air guide plate, so that high-temperature gas forms a stable rotary vortex in a mold; and through mutual cooperation of the disc springs, the high-temperature-resistant supporting rods and the expansion joints, in the repeated cold and hot alternation process of the vacuum pouring tank, the adjacent fan-shaped modules are allowed to generate tiny free displacement, heat stress is effectively absorbed, deformation is adapted, and therefore cracking failure caused by thermal fatigue of the lining is fundamentally restrained.

The utility model relates to the technical field of precision casting, in particular to a cooling device for precision casting, which comprises a frame and a heat conducting block, and the heat conducting block penetrates through the frame and is fixed on the frame. The fixing mechanisms are fixedly installed on the two sides of the frame, and the fixing mechanisms can be screwed into threaded holes formed in advance and are used for installing the frame; the first heat dissipation mechanism is fixedly installed on the frame and used for rapidly dissipating heat conducted out by the heat conduction block so as to conduct air cooling heat dissipation on the heat conduction block, and a second heat dissipation mechanism penetrating through the heat conduction block is installed on the side face of the frame; and the trigger mechanism is mounted on the heat conduction block and is used for controlling opening and closing of the second heat dissipation mechanism. According to the cooling device for precision casting, casting equipment can be cooled, the cooling device and the casting equipment can be conveniently installed, two cooling modes are further adopted for the casting equipment, the cooling effect on the casting equipment is greatly improved, operation is easy, and practicability is high.

The invention discloses a multi-disc-shaft hollow auxetic deceleration system. The invention relates to the technical field of speed reducers. The machine shell 1 serves as a basic supporting structure and is internally provided with the gear set 2 through a bearing assembly. Gears in the gear set 2 are connected through splines to realize radial positioning and torque transmission with the transmission shaft assembly 3, and the transmission shaft assembly 3 adopts a split type design; the root area of the fixing body 3021 and the abutting body 3022 are integrally formed through precision casting, a continuous metal base body is formed, and the rigidity gradient distribution of the continuous metal base body follows the principle of rigidity gradual change buffering. The radial gradient cell element array design of the topological auxetic body 304 is combined, the anti-bending section coefficient is improved by optimizing the polar inertia moment distribution, meanwhile, the reverse taper angle geometric constraint of the anti-shearing body 3042 forms a wedge-shaped stress flow channel, the shearing stress is evenly diffused along the bevel angle face, and the stress gradient is reduced.

The present application provides a kind of borehole type flow state control sprue cup suitable for 1500kg level vacuum melting pouring, belong to the technical field of large precision casting vacuum induction melting pouring equipment, suitable for pouring speed 35-39kg / s, metal liquid temperature 1510-1550℃, including integrally-formed sprue cup body;The upper opening diameter of the sprue cup body is 380-420mm, the lower opening diameter is 120-140mm, the total height is 450-500mm, the inner wall is linear transition from upper end to lower end The transition taper of turning point is 15-18°;The inner wall of the sprue cup body is provided with spiral rifling, the spiral rifling is 3-4, evenly distributed along the inner wall of the sprue cup body, the central angle of adjacent bore is 90°-120°.In the present application, the caliber height of sprue cup is adapted, spiral rifling is used for guiding, and the splashing problem under high flow rate can be solved in the scene of 1500kg level, 37kg / s high flow rate vacuum pouring.

1. Name of the product in this design: Casting Chamber Assembly. 2. Application of this design: for use in the mold chamber assembly of an equiaxed crystal vacuum precision casting furnace. 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 invention relates to the field of precision casting, and particularly discloses a casting method of an oversized hollow crown last-stage moving blade for a heavy-duty gas turbine, which comprises the following steps: drawing a feeding head three-dimensional model and manufacturing a mold, and pressing medium-temperature wax to form a feeding head wax piece; the forming feeding head is bonded to the front end of a blade crown according to the process requirement, the blade bonded with the forming feeding head is bonded or welded to the forming feeding head at the tail end of the blade, and the tail end of the forming feeding head is welded to a forming pouring cup at the tail of a blade tenon; cleaning the wax tree for three times; preparing a mold shell by adopting a multi-layer shell coating process of a zircon sand surface layer and a mullite sand back layer; iron sand is evenly smeared on the surface of the mold shell, an iron sand layer is formed, and pouring is conducted after pre-roasting; the precision of the tree assembling position is improved, the heat dissipation efficiency of the blade tip area after pouring is improved, the problems of shrinkage porosity defects, casting deformation or cracking and the like caused by inconsistent cooling areas are solved by ensuring the casting solidification sequence, and the casting quality stability is improved.

The utility model relates to the technical field of ray detection, and discloses a ray transillumination tool for precision casting parts, which comprises a box seat, a lead screw module is arranged in the box seat, the input end of the lead screw module extends out of the box seat and is fixedly provided with a hand wheel, and the top of the box seat is provided with a rectangular groove. A sliding table of the lead screw module penetrates through the rectangular groove and is fixedly provided with a bottom plate, the upper side of the bottom plate is rotationally provided with a right-angle storage plate through a first rotating base, a calibration mechanism used for adjusting the translation position of the right-angle storage plate is arranged between the box base and the bottom plate, and protractors are fixedly installed at the two ends of the upper side of the bottom plate correspondingly; a positioning mechanism used for adjusting the swing angle of the right-angle storage plate is arranged between the protractor and the right-angle storage plate, and a pair of lead plates is fixedly installed on the upper side of the right-angle storage plate. The device is flexible and adjustable in structure and simple and convenient to operate, effectively solves the problems of complicated operation, low efficiency and poor consistency in the traditional method, and meets the high-standard requirement of radiographic inspection of precision casting parts.