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Support casting and processing technology design The support of this part requires a single piece of processing quantity. According to the knowledge of metal technology, check the part drawing of this part. The structure of this part is relatively simple, but the shape is not very regular. The working conditions are generally pressure bearing. Therefore, this part is required to have good rigidity and strength. It is made of gray cast iron material HT200 with good fluidity and is suitable for casting. It is made by hand in sand casting -
Casting and processing technology design of end cover This topic is the design of end cover casting and processing technology. On the basis of the parts, the factors such as machining allowance, casting tolerance, inspection pattern of casting surplus block and operating chuck are considered. Pouring position and parting surface, machining allowance, draft angle, shrinkage and casting fillet, determination of core, chill and core head, gating system (riser) and other factors. To ensure the machining size and surface roughness of parts -
Casting and processing technology design of movable palm The movable palm has the structure of internal cavity step hole, small hole, groove, etc., and the shape and structure are complex. It is not suitable to use forging, but should use sand casting. The width of the groove in the part is too small, only 5.5 mm, which is not easy to cast, so the whole mold can be used. At the same time, because of its small production batch, only 10 pieces can be produced, that is, the sand mold should be used for manual molding -
Base casting and processing technology design The material of this subject is HT200, the shape of the blank is cylinder, rib plate and rectangular base, and the size of the blank is 133 * 83 * 116. The part is the base, the overall size is 124 * 74 * 117, and the single piece is produced in small batch. The processing route of inner circle surface: rough boring - fine boring; Processing route of end face: rough milling - semi finish milling - finish milling; Processing route of threaded hole: drilling expanding -
Casting and processing technology design of pump body This topic is the pump body casting and processing technology design, mainly from the analysis of the characteristics of the parts, the casting process design, to ensure the yield and casting size of the product castings, and the casting process design, to ensure that qualified products are obtained -
Foundry and Cutting Process Design of Substructure The bottom surface of the part is the main design basis of the part, and is also an important machining surface with a large cross-sectional area. According to the principle of datum coincidence, the bottom surface is selected as the positioning datum; The side is also an important machining surface of the part. In order to obtain uniform machining allowance, the side is selected as the rough benchmark. In the process of processing, the bottom surface shall be processed with the side surface as the rough benchmark. After machining to the required precision -
Process Design of Sand Mold Casting for End Cap The outline dimensions of the end cover are: Φ 96X16, Φ 56X20, Φ 24 and Φ 48 middle holes. The minimum allowable wall thickness of the outline dimension under sand casting conditions is 3~4mm according to Table 3-2-1 of Casting Technology. The minimum wall thickness of the designed bearing is 10mm. Meet the requirements. The design wall thickness of the end cover is relatively uniform, and the two walls are connected for preliminary mining -
Casting and processing technology design of bearing pedestal The part material of this subject is HT300, which is produced in a single piece. The blank can be obtained by using the manual molding in sand casting. There are 4 holes in the part, of which φ 48 holes need to be cast. The remaining 1 M10 threaded hole and 4 M6 threaded holes need to be machined because they are smaller than the minimum diameter of 30mm that can be cast from cast iron. In addition, length * width is 15 * 2 -
Casting and processing technology design of opening bracket This subject is to cast an open support. The casting material is QT450, with an overall dimension of 85 × 115mm. It is a small and medium-sized piece, with a minimum wall thickness of 7mm. The connection structure is reasonable and meets the requirements of ductile iron casting. The casting process can be designed. The designed production quantity of parts is 10, which belongs to small batch production. And the minimum diameter of the non cast hole of the casting is 15-30m -
Design of casting and cutting process for movable palm Through the process analysis of the moving hand, the design shows that the parts are made of gray cast iron with good fluidity and are suitable for casting. Due to the small number of parts processed, the blanks can be obtained by manual modeling. The parts are small in size and simple in shape, so it is not necessary to make clamps and cutters specially, but to use general equipment for processing. For the convenience of readers, the format is autocad200 -
Casting process design of round wheel hub The design data is "round hub casting process design". The casting is a medium and small steel casting produced in batches, and the machine molding of sand casting is selected. The green sand is used for the casting mold, which does not dry, so that its cost is low, productivity is high, and labor conditions are improved. It is easy to realize mechanized and automatic core making. Resin sand is used because the self hardening cold box can improve the dimensional accuracy of the casting and save energy -
Casting process design of a bearing pedestal The design data is "bearing pedestal casting process design". HT200 is selected, with good shock absorption effect, low price and easy processing. And it has a certain self feeding capacity and is easy to cast. According to the national standard, the tensile strength of HT200 shall reach 200Mpa. The casting has good working conditions when used, but it needs to be flameproof. According to the technical requirements -
Casting Process Design of Articulated Support This design data is "Articulated Support Casting Process Design". This part is the cab right hinge bracket, made of QT450-10. The design combines the use function and material characteristics of the part. Through theoretical design and simulation calculation, the casting process and production process of this part are analyzed, and a feasible and economical casting process plan and tooling are proposed -
Process Design of Sand Mold Foundry for Substructure According to the shape of the casting and the selection of parting surface, the horizontal sand core is used. Due to the effect of sand core, standard sand core cannot be used. Instead, an arc surface and a rectangle are selected according to the situation. In order to ensure accurate positioning and convenient modeling, the arc at the bottom of the sand core is cut to a surface. The specific shape and size are shown in the process drawing. The core head can be found by consulting the casting process manual -
Casting Process Design of Rear Beam Support The casting process design of the rear beam support is fully combined with the solidification characteristics of the cast steel. By using the principle of sequential solidification and numerical simulation, an attempt is made to explore the casting process of the given rear beam support with a suitable scheme, and a reasonable, economic and environmental protection casting process design scheme is proposed. First of all, a comprehensive analysis of the structure and casting process of the part was carried out, focusing on the structural characteristics of the part -
Casting and Cutting Process Design of Bearing Pedestal This casting is bearing pedestal, 5 pieces, production type is small batch single room production technical requirements: round corner R3 is not indicated; The roughness Ra200 is not indicated,; The casting shrinkage rate is 1%, and the draft angle of 2 ° HT300 is gray cast iron without indication. The gray cast iron has good casting performance. 1) The specific volume of flake graphite in gray cast iron is large, which can reduce the shrinkage rate of castings and -
Technological design of sand casting for gland Wet molding is adopted this time, and sand box molding is adopted. The core making method is hot box core making, and the sand core material is resin sand. Because the production tasks and requirements of each casting are different and the production conditions are different, the contents of casting process and tooling design are also different. In general, the casting process design includes the following technical documents: casting process drawing, casting process card, casting mold assembly -
Casting Process Design of Brake Bracket The structure of the brake bracket parts is shown in Figure 1-1-1 Brake bracket parts drawing. The brake bracket is mainly composed of two circular shafts and a support side plate. The side plate is perpendicular to the bottom mounting square seat. There are diagonal braces in the connection. All holes need machining. The brake bracket parts in this design are made of HT200, with a minimum tensile strength of 200MPa and a Brinell hardness of 163~ -
Casting process design of valve cover parts The shape of the valve cover parts is relatively simple, the wall thickness is 22.5~42mm, and the wall thickness dimensions of each part of the parts are relatively uniform. By referring to the casting process manual, the wall thickness of QT400-10 material in the valve cover parts can meet the requirements of the casting process for material fluidity. The wall thickness of the castings is uniform, and there will be no large hot spots causing shrinkage cavities and porosity in the castings -
Casting process design of flange Flange is a small casting with simple structure. The casting is hollow inside, so it is easy to have defects such as sand inclusion and air holes in the casting process. Therefore, when determining the casting process, the material used for the casting is QT450. The size of cast iron material in liquid forming casting is relatively limited, and its wall thickness can range from 2mm to 3mm. -
Casting process design of cylinder block parts The whole device of cylinder block parts is divided into two parts: the upper part is a circle and the lower part is an estimated square seat. Cylinder block is an important part of mechanical equipment, and its working performance and efficiency directly affect the working performance of mechanical equipment. Considering the comprehensive factors such as material, shape, surface quality and the economy and feasibility of processing technology, casting technology is often the first choice -
Casting Process Design of Fixed Clamp Body Fixed tong body is a machine tool accessory, also called flat jaw tong, made of HT200 and produced in batches. It is mainly used in ordinary CNC lathes, CNC milling machines, and machining centers. The bottom of the casting will bear a certain load, so it is required that there should be no shrinkage cavity, crack and other defects inside the casting. According to the structural characteristics, technical requirements, application conditions and technical quality requirements of the parts, determine the casting -
Casting Process Design of Suction Shell Valve Body The parts in this design are made of ZL114. The alloy has good mechanical properties, good casting properties, high strength, good toughness, good fluidity, air tightness and hot cracking resistance. It can cast high-strength castings with complex shapes and is suitable for various castings. The main structure of the part is a long and a short two shaft body combination cavity, and the two shafts are transiently connected. The long shaft is installed at both ends -
Casting process design of bearing pedestal The bearing seat has a simple structure and is mainly used to support and connect some parts, so it needs to have strong static load capacity and materials with certain antifriction, self-lubricating and shock absorption effects. Gray cast iron is cheap and its performance meets the conditions, so gray cast iron is selected as the material for the seat. From the point of view of simplifying the process, the through hole and keyway are not cast out, but it is more convenient to use a drill bit on a drilling machine to drill out -
Casting Process Design of End Cap Parts Ug 3D. The structure of the end cover zero is shown in the end cover part drawing in Figure 1.1 below. The end cover structure is a stepped cylindrical revolving body. The main working face is located at the 24mm thick round flange plate and small end face at the bottom of the end cover. The side face of the flange plate needs to be processed. The perpendicularity between the plane face of the flange plate and the reference axis is required; Flange plate has M10 mounting bolt through hole and countersunk hole; There are 4 M10 screws on the right of the small end face -
Casting process design of the upper tilting frame The casting process design parameters usually refer to some data that need to be determined during the casting process design. These process data are generally related to the pattern and core box size, and are closely related to the precision of the casting, as well as the process of molding, core making, core laying and box closing. These process data mainly refer to machining allowance, mold lifting angle, casting shrinkage, minimum casting hole and core head -
Casting process design of suction valve shell The three-dimensional drawing of the suction valve housing is made by using the two-dimensional drawing software ug, and the parts drawing and the three-dimensional casting process drawing of the suction valve housing are made by using the two-dimensional drawing software cad; The sand mold material and sand mold manufacturing plan were determined. The parting surface and pouring position were compared and analyzed. The determination of various process parameters in the casting process, machining surplus, shrinkage rate and mold lifting tilt were completed -
Casting process design of bearing support The design data is "bearing support casting process design". The design criteria of this process plan is to improve the economy and feasibility of the plan as far as possible on the premise of ensuring the casting quality. In the process of designing the process plan, we combined the actual situation of the casting and looked up the standard from the authoritative literature to combine theory with practice. At the same time, use software for 3D modeling, and use CAE -
Casting process design of box parts The production nature of the product - material of parts produced in medium batch - the outline sketch of HT20-40 parts is shown in Figure 2.1. The overall dimension is 234 × 178 × 225mm, the main wall thickness is 10-22mm, and the maximum wall thickness is 22mm, which is a small casting; In addition to meeting the requirements of geometric dimension accuracy and material, castings have no other special technical requirements -
Sand mold casting process design of fork The outline dimensions of the fork are: Φ 25, Φ 14, R20, R26, center distance 60, fork thickness 16, through hole depth 28. The minimum allowable wall thickness of the outline dimension under sand casting conditions is 3~4mm according to Table 3-2-1 of Casting Technology. The minimum wall thickness of the designed bearing is 10mm. Meet the requirements. The design wall thickness of end cover is relatively thick -
Casting and Processing Technology Design of Brake Wheel The working shape of the parts in this topic is general, so sand casting can be used, and the casting accuracy, production efficiency, labor conditions and other aspects are considered. Because the brake wheel often moves in use and bears large bending and torsional impact loads, the casting is selected to ensure the reliability of the parts. The casting of this part adopts parting modeling, and the plane separating the two halves is the parting surface, -
Process Design of Flange Casting and Machining The production nature of the parts in this topic: small batch production, material: Q275. Through analysis, it can be seen that there are many holes on the parts. Except for the large hole in the middle that needs to be cast, other holes should not be cast after considering the machining allowance. They are machined by mechanical methods without casting. Available modeling methods: manual modeling; Core making method: manual core making -
Casting Process Design of Planetary Gear Bushing The casting process design of the planetary gear bushing. Analyze the casting process of the part structure, clarify the structural characteristics of the part, and find out some possible problems. Propose measures to improve or prevent defects. According to the structural characteristics of parts, various pouring methods are proposed -
Process drawing of a low-pressure casting workshop Low pressure casting is a casting method in which liquid alloy is pressed into the mold cavity from bottom to top under pressure and solidified under pressure to obtain castings. The principle of low pressure casting is shown in Figure 1 Principle of Low Pressure Casting. The sealed crucible is filled with dry compressed air or inert gas. With the help of the pressure acting on the metal surface, the metal liquid is flattened from bottom to top along the riser through the runner -
Casting process of moving plate of melt adhesive base Casting is the process of smelting metal, casting and other steps to produce the required metal parts blanks. In the whole manufacturing industry, the number and tonnage of blank parts produced by casting method is still the largest. The casting process is the core of casting production and the key to producing high-quality castings. The parts to be designed this time are the moving plates of the melt adhesive base, which are gravity cast -
Process design of flange sand casting Flange sand casting process design belongs to small and medium-sized castings, with simple structure and symmetrical left and right structures. Because the wall thickness of the valve body is uneven, the casting process is relatively simple, and the quality requirements are high. Due to the small and medium void structure inside the casting, it is easy to have defects such as sand inclusion and air holes in the casting process. Therefore, when determining the casting process, we need to consider casting comprehensively -
Sand Casting and Cutting Process Design of Flange This design is the sand casting and cutting process design of flange plate 2.2. Material: Q2752.3. Part processing method: there are several holes on the part. Except for the large hole in the middle that needs to be cast, other holes should not be cast after considering the machining allowance. They should be machined by mechanical methods without casting. Modeling method: manual modeling and core making Method: manual core making -
Two dimensional casting process diagram of main coupler The casting process plan drawings of the main coupler and the supporting tooling design drawings, casting process drawings, also called red and blue process drawings. It is a figure obtained by representing the casting process content with specified red, blue and other color symbols on the part drawing. It is a unique pattern in the casting industry. The main contents include: pouring position, parting surface, casting process parameters -
Design of valve cover casting process The structure of the valve cover parts is shown in the figure 2.1.1 below. The valve cover structure is composed of a cylindrical rotating main body and a square base. The main working surface is below the square base and at the Φ 53 shaft hole. The intermediate shaft hole is the main dimension benchmark. The internal control dimension of the central shaft is Φ 20. The Φ 35 hole at the big end of the bonnet has assembly requirements with the valve body. The axis of the shaft hole is also part of the mounting platform of the bonnet -
Process plan design of valve body casting The structure of the valve body parts drawing is shown in Figure 1.1 below. The valve body structure is that the middle vertical axis is the valve switch position, the middle horizontal axis Φ 80 through hole is the connection axis, and the two sections of the connection port are connected and disconnected through the valve body switch of the vertical central axis. The top surface of the middle vertical axis needs processing, and the inner surface needs processing; The two connecting ends of the valve body need to be machined, and the 8 M40 screws on both ends need to be drilled
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one Craft rockery -
two Anaerobic process -
three Pump room process -
four Dust removal process -
five Process dust removal -
six Gas process -
seven Filter process -
eight Process enclosure