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  • What are the characteristics and modeling requirements of auto parts sheet metal parts?

    2020-05-19 11:32:53
    Automobile sheet metal parts is a processing method of automobile maintenance, also called cold work. Say directly, if the exterior of the car body is damaged or deformed, the process of sheet metal is needed to restore the original appearance. The basic tool is a hammer. Hammers with different shapes are padded with iron blocks at the back of the sheet metal parts, which are hammered repeatedly to form. Appearance restorers are also used when necessary.
  • What is the basis of automobile sheet metal processing?

    2020-05-12 11:29:40
    The production of automobile sheet metal parts mainly depends on dies. In the whole cycle of design, manufacture and commissioning of model design mould, mould design, manufacture and commissioning takes about 2 / 3 of the time, which becomes the main factor restricting the transformation of automobile. This is because sheet metal stamping process is a very complex plastic forming process, many factors directly or indirectly affect the forming results.
  • Do you know the basic principles of the route setting of automobile sheet metal parts?

    2020-05-05 11:26:48
    Sheet metal parts are thin and easy to form, which can be formed into parts of various shapes. With the application of welding, assembly, riveting and other processes, it is possible to realize multi structure products. At the same time, these characteristics also make sheet metal parts in the process of processing will more or less occur different degrees of deformation, such as bending deformation, torsion deformation, concave convex deformation and so on. These deformations make the size or shape of the whole component change, resulting in quality problems. However, the production process of sheet metal parts has its own rules. For the same type of products, according to the existing equipment, manpower, etc., the sequence of processing can be flexibly adjusted to give a reasonable processing process. So choosing the right process route is an effective measure to prevent and solve this kind of problem.
  • What are the differences between hardware processing and automobile sheet metal processing?

    2020-04-28 09:03:33
    Hardware refers to the general term of five kinds of metal materials, namely gold, silver, copper, iron and tin. Hardware is the mother of industry and the foundation of national defense. The products produced by hardware materials are generally divided into two categories: big hardware and small hardware.
  • What are the processing technologies and characteristics of automobile sheet metal parts?

    2020-04-21 09:00:39
    Sheet metal processing is not only a technical work, but also an important technology that sheet metal technicians need to master. Whether sheet metal products are formed depends on this process. The general processes of sheet metal machining are: metal cutting, cutting tools cut off redundant metal layers from metal materials or workpieces, so as to obtain machining methods with certain shape, size accuracy and surface roughness. Grinding, broaching, turning, milling, planing and drilling are to deform metal, punch, cold roll, cold draw, extrude, bend and, of course, corresponding hot working, so that when metal is formed, work hardening can be used to improve the hardness and strength of parts, but the plasticity will be reduced.
  • What is the performance of precision automotive sheet metal parts?

    2020-04-14 08:57:06
    Metal stamping is a kind of technology that uses punch and die to deform or fracture iron, aluminum, copper and other plates and dissimilar materials to achieve a certain shape and size. Metal stamping is sometimes called sheet forming, but it is slightly different. The so-called plate forming refers to the use of plates, thin-walled tubes, thin profiles, etc. as raw materials.
  • How to distinguish the quality of automobile sheet metal parts?

    2020-04-07 15:33:35
    The sheet metal parts of automobile generally refer to the metal shell of automobile, which is usually made of steel plate. On the basis of ensuring certain strength, it is the basic requirement to reduce the weight as much as possible. In addition to the role of protection and beauty, automobile sheet metal parts are also the main carrier of automobile gas resistance. Therefore, the quality and service life of automobile sheet metal parts not only affect the appearance of automobile, but also increase the resistance of air to automobile parts due to the quality and deformation, so as to reduce its economy.
  • What is the significance of automobile stamping parts standardization?

    2020-03-31 14:48:55
    The work of product standardization refers to the technical activities of using standardized technology and methods to design products in series, generalization and combination, reasonably simplifying product and component specifications) unifying product quality, formulating and implementing various product standards.
  • What are the design considerations of excellent automobile sheet metal parts?

    2020-03-24 13:31:31
    In the excellent automobile sheet metal design, every detail should have its own design reason, and comprehensively consider the performance of the automobile body assembly and its single parts. In Japan and other foreign high-end cars, many details are worth learning. Although the ribs on the automobile sheet metal are small, they can affect the performance of the automobile, such as NVH strength, rigidity, stamping, welding, coating, general assembly, air tightness, etc. As a designer, he should fully understand and master the positive and negative effects, and achieve a little square vector in design.
  • What are the design requirements for automotive sheet metal parts on the market?

    2020-03-17 16:36:45
    Stiffeners are commonly used in the manufacturing industry. In the automobile, in addition to have the special request appearance surface, most automobile body sheet metal will design the stiffener.
  • What are the design requirements for the pressing surface of auto body parts?

    2020-02-21 11:34:01
    Two situations should be considered when designing the pressing surface: one is that one part of the pressing surface is the flange surface of the drawing part. The shape of the pressing surface of this kind of deep drawing part is determined, generally it does not change its shape, even if it is partially modified to improve the drawing forming conditions, it should be reshaped and corrected in the subsequent process; the other situation is that the pressing surface belongs to the supplementary part of the process. In the latter case, the design of pressing surface is mainly to ensure good drawing forming conditions. The design principle of pressing surface is:
  • What are the main characteristics of metal drawn automotive stamping parts in auto parts industry?

    2020-02-20 09:59:26
    Metal stretch stamping is a kind of forming processing method to produce plastic deformation or separation of sheet, strip, tube and profile by using press and die, so as to obtain the required shape and size of workpiece (stamping part). Stamping and forging belong to plastic processing (or pressure processing), collectively known as forging. The billets for stamping are mainly hot-rolled and cold-rolled steel plates and strips.
  • What are the application fields of automotive hardware stamping parts?

    2020-02-19 09:56:59
    Stamping in automobile industry. Mainly in deep drawing. In China, this part is mainly concentrated in automobile factories, tractor factories, aircraft manufacturers and other large-scale independent stamping and drawing factories. Automobile parts stamping in automobile industry. It is mainly formed by punching and shearing. Many of the enterprises in this department are owned by standard parts factories and independent stamping factories. At present, there are many such small factories near some automobile factories or tractor factories. Electrical parts stamping plant. This kind of factory is a new industry, developing with the development of electrical appliances. The factories in this department are mainly in the south. Daily necessities stamping factory. Making some handicrafts, tableware, etc. these factories have made great progress in recent years.
  • What are the characteristics of common automotive stamping parts on the market?

    2020-02-18 09:54:18
    Stamping part is a kind of production technology which can directly deform the sheet metal in the die with the help of the power of conventional or special stamping equipment, so as to obtain certain shape, size and performance of product parts. Sheet metal, die and equipment are the three elements of stamping. Stamping is a method of metal cold deformation. Therefore, it is called cold stamping or sheet metal stamping, or stamping for short. It is one of the main methods of metal plastic processing (or pressure processing), and also belongs to material forming engineering technology.
  • What are the factors that lead to the poor quality of automotive stamping parts?

    2020-02-17 09:50:43
    There are a lot of poor quality problems in the process of stamping production. Raw materials, process, mold and other factors are the important reasons for the poor quality. In the process of production and stamping forming, it is necessary to determine the causes of quality defects, and put forward corresponding practical improvement measures to formulate corresponding preventive measures, so as to solve and improve the quality defects, avoid the recurrence of corresponding quality problems, and continuously improve the quality of stamping parts.
  • What are the stamping parts on the car body?

    2020-02-14 11:35:05
    Stamping is mainly classified by process, which can be divided into separation process and forming process. The purpose of the separation process is to separate the stamping parts from the sheet along a certain contour line and ensure the quality requirements of the separation section. The purpose of forming process is to make the sheet metal plastic deformation without breaking the blank, and to make the required shape and size of the workpiece. In actual production, it is often a variety of processes applied to a workpiece. Punching, bending, shearing, stretching, bulging, spinning and straightening are the main punching separation processes.
  • Do you know the selection principle of stamping parts in automobile industry?

    2020-01-19 16:32:50
    A large number of cold stamping processes have been used in the production of automotive stamping parts, which are suitable for the needs of many varieties and large-scale production of automotive stamping parts industry. In medium and heavy-duty vehicles, most of the covering parts, such as body outer panel, and some load-bearing and supporting parts, such as frame, carriage and other auto parts are automobile stamping parts. The steel used for cold stamping is mainly steel plate and steel strip, accounting for 72.6% of the total steel consumption of the vehicle. The relationship between cold stamping materials and the production of automobile stamping parts is very close. The quality of automobile sheet metal materials not only determines the performance of the product, but also directly affects the process design of automobile stamping parts, and affects the quality, cost, service life and production organization of the product. Therefore, reasonable selection is necessary Using materials is an important and complex work.
  • Introduction of metal cutting processing method for auto parts

    2020-01-18 09:50:41
    Metal cutting is a kind of machining method that uses the cutter to cut the metal blank layer by layer and make the workpiece get the required shape, size and surface roughness. Metal cutting includes two methods of benchwork and machining - benchwork is a machining method that workers use hand tools to cut. It is flexible and convenient to operate and widely used in assembly and repair. Machining is accomplished by means of machine tools, including turning, planing, milling, drilling and grinding.
  • Do you know how auto parts are cold stamped?

    2020-01-17 16:28:44
    Daily necessities, such as aluminum pot, lunch box, washbasin, etc., are made by cold stamping. For example, to make a lunch box, you first need to cut a rectangular blank with four rounded corners (known as "blanking") and then use a punch to press the blank into a die to form (known as "drawing"). In the drawing process, the flat sheet becomes a box shape, with four sides vertically bent upward, and the materials at four corners gather and wrinkle can be seen.
  • What's the difference between casting and forging automobile parts?

    2020-01-16 16:26:09
    Sand mold is usually used to make iron castings. The raw material of sand mold is mainly sand, which is mixed with binder and water. The sand mold material must have a certain bonding strength, so as to be molded into the required shape and be able to resist the erosion of hot metal without collapse. In order to form a cavity in the sand mold which is consistent with the shape of the casting, the wood mold must be made first. The volume of hot molten iron will be reduced after cooling. Therefore, the size of the wood mold needs to be increased according to the shrinkage based on the original size of the casting, and the surface to be machined should be thickened accordingly.
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