Industry

Zhejiang Balford Mechatronics Co., ltd focus on difficult stamping & deep drawing. Main product: motor housing and difficult custom deep drawn stampings.

  • Introduction to stamping parts

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    Hardware stamping is a kind of metal processing parts, which can be processed by stamping, bending, stretching and other ways. Stamping is a widely used metal processing technology, which has high efficiency and can achieve mass production. According to different application fields, stamping parts can be divided into automobile stamping parts, electronic stamping parts, medical stamping parts, etc. Next, Yiwei Precision will introduce the stamping process of the stamping die:

    Generally speaking, the basic equipment of the stamping factory includes various auxiliary equipment such as shearing machine, numerical control punching machine/laser, plasma, water jet cutting machine, bending machine and uncoiler, leveling machine, deburring machine, spot welding machine, etc.

    Generally, the three most important steps in a stamping die factory are cutting, stamping and folding.

    Stamping parts are sometimes called metal wrenching. Generally, the metal sheet is pressed by hand or with a mold to produce plastic deformation to form the required shape and size, and it can be further welded or slightly machined. More complex parts (such as chimney, iron stove and commonly used car shell) are all sheet metal parts.

    Stamping parts processing is called sheet metal processing. For example, use plates to make chimneys, iron drums, oil tanks and oil pans, ventilation pipes, etc. The main processes are shearing, punching and bending, bending, welding, riveting, etc., which requires some geometric knowledge. Modern sheet metal processes include: laser cutting, metal bonding, metal wire drawing, plasma cutting, rolling, sheet metal bending, die forging, water jet cutting, precision welding, etc.

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  • What should be paid attention to in the production of precision stamping parts

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    With the improvement of science and technology, people have higher and higher requirements for the precision of products. The stamping industry is no exception. While the demand of customers for precision stamping parts is growing, the precision requirements for products are also increasing. In the production process, the production of precision stamping parts should not only consider the shape and size of the product, but also consider the impact of stamping dies, punches and other matters. In order to ensure the production of qualified precision stamping parts, Balford Precision has summarized the following points needing attention after years of production experience and shared them with everyone:

    1. It is necessary to regularly check the performance of the punch and the parallelism and perpendicularity of the workbench.
    2. The production of precision stamping die shall be strictly controlled. If the stamping factory does not have the ability to independently develop the mold, it needs the support of a stronger mold supplier. The quality of precision stamping die determines the quality of precision stamping parts. Therefore, we need to ensure that there are no mistakes in the mold, otherwise the consequences will be unimaginable.
    3. Before installing the mold, be sure to strictly check whether the mold and the press are clean, and check the lubrication of the mold guide post.
    4. During the production process, the springs should be checked and replaced regularly to avoid problems with the springs and affecting the quality of precision stamping parts.
    5. The stamping factory needs to formulate work standards to ensure that the stamping workers operate according to the standards when installing the stamping die.
    6. In the actual production process, if the die edge is worn, it needs to be repaired or replaced in time, otherwise the die will be more damaged.

    In addition to the same preventive measures as conventional stamping parts, the main purpose of ensuring the product quality of precision stamping parts is to pay attention to the maintenance and care of the punch and stamping die. Only under the condition of ensuring the accuracy of the punch and die can the stamping factory produce qualified precision stamping parts.

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  • Deep Punching

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    Deep drawing is a metal forming process in which parts are produced by stamping sheet metal into molds. It provides high-quality components, is produced quickly, and is often cheaper than other competitive methods. Deep pull parts have numerous applications in many industries such as consumer, medical, military and telecommunications. They can be made from various materials, including brass, stainless steel, alloys, and many others.

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  • Sheet metal stamping

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    The sheet metal stamping process converts hot or cold rolled sheets of steel by stamping them into the shapes needed to create your part. This technique allows a large quantity of components to be produced simultaneously, but it can also lead to around 15 percent of the raw material becoming scrap. The equipment used for this method requires less space than other methods, so if you have limited space, this type of manufacturing may work best for your business. When using sheet metal stamping, three main types of dies are used—blanking, piercing and bending.

    Blanking involves cutting a part out of a sheet of metal. This is done by striking the sheet with a punch diewhichshearsit to the desired shape. The edge of the punched piece will have a burr on it, so it will need to be filed or machined before use.

    Piercing punches a hole in a sheet of metal by placing the sheet metal between two punch dies and forcing them together.

    Bending is shaping metal by using pressure from a die to deform it. This type of stamping is often used to create parts with curves.

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  • Sheet Metal Stamping Dies

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    U.S. Metal Crafters has been in the sheet metal stamping business for decades. Our experienced technicians and operators use a variety of machinery and computer programs to ensure the highest quality stamping products at competitive prices. When creating sheet metal stamping dies, we use computer software to map out the entire cutting and stamping process from start to finish.We offer a variety of stamping dies suitable for creating components for many applications. We have sophisticated optical quality assurance inspection equipment that ensures that our customer components meet their exact specification. We focus on advanced stamping molds that allow for the rapid production of all stamping metal parts, from simple springs to the most complex mechanical parts.

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  • what is deep drawing

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    Deep drawers are manufacturing processes that are widely used in sheet metal forming in cup or box like structures. Pans and pans used for cooking, containers, sinks, car parts such as panels and oil tanks are some of the items that are made with sheet metal drawn deep. It is sometimes referred to as a drawing process and should not be confused with the drawing process of bulk deformation discussed previously. A basic deep stretching operation can be to form a flat surface into a 3-D cup or a box. Deep drawing parts are not limited to circular or square shapes, more complex outlines are possible. However, as complexity increases, manufacturing becomes rapidly more difficult. Ideally, the shape of a deep drawing should be as simple as possible. In the deep drawing process of primary sheet metal, the workpiece will have a flat base and straight walls.

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  • What is stamping?

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    A stamping press (also known as pressing) is the process of placing flat sheet metal either in blank or coil form in a stamping media where a surface of tool and die forms the metal into a net shape. The stamping process includes various sheet forming manufacturing processes such as punching using machine press or stamping press, blanking, embossing, bending, flanging and coiling. This can be a single-stage operation, in which each stroke of the printing press produces the desired shape on the sheet metal part, or it can be achieved through a series of stages. Although the process is usually done on sheet metal, it can also be used on other materials such as polystyrene. The progressive dies are commonly fed from a steel coil, a coil coil coil for winding to a straightener to level the coil, and then to a feeder that moves the material forward in the press and dies at a predetermined feed length. The number of stations in the die can be determined based on the complexity of the part.

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  • what is deep drawing

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    Drawings in depth are forms of metal stamping where the draw depth is typically greater than in diameter. In practice, long, narrow, cylindrical pieces can be produced with a length significantly larger than the outer diameter.

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  • What are the basic knowledge of metal stamping?

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    Basic knowledge of metal stamping.
    Metal punch is a manufacturing process used to transform flat metal plates into a specific shape. It is a complex process that can include a number of metal forming techniques — blanking, punching, bending and piercing, to name a few.
    There are thousands of companies across the U.S. that offer metal stamping services to deliver components for industries in automotive, aerospace, medical, and other markets.As global markets evolve, there is an escalated need for quickly-produced large quantities of complex parts.

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  • The assistance of CNC machining technology improves the technology of sheet metal processing

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    Most of the products produced by many sheet metal processing factories now borrow the brand effect of others, rather than forming their own brands. Therefore, the development of the processing industry has many difficulties. Despite this, the processing industry is still working hard on its own, constantly improving its processing technology, and striving to develop and innovate its own processing methods.

    For sheet metal processing companies, the current high processing costs are only temporary. I believe that in the near future, they will be able to process high-quality products by themselves. And you can create your own brand, no longer rely on the strength of others, and promote the real development of China’s sheet metal industry. Therefore, the processing industry needs to continuously improve its own technical strength and strive to enhance the brand effect. With the continuous development of the industry, the cost and price of production will be lower and lower. And with the continuous development of this industry, as long as the network platform is used for publicity and more people realize the superiority of sheet metal products, it can prosper rapidly.

    Technological progress is advancing rapidly. Since the CNC machine tool was successfully developed in the United States in 1952, it has gone through five stages of development. The maturity of microelectronics and computer technology has promoted the development of my country’s numerical control technology, and the successful development of domestic numerical control system has ensured the quality and performance of my country’s numerical control machine tools. CNC machine tools are widely used in various fields because of their strong adaptability to workpiece modification, high machining accuracy, and high production efficiency.

    CNC bending machine is a device that is often used in the processing process. Its essence is the mold after the sheet is bent. It consists of a stand, a workbench and a plywood. By energizing the coil, it creates gravity to sandwich the sheet between the platen and the base. Due to the electromagnetic force clamping method, the pressing plate can be made according to the specific requirements of the workpiece, the operation is simple, and the workpiece with the side wall can be processed.

    CNC bending machine is a device that is often used in the processing process. Its essence is the mold after the sheet is bent. It consists of a stand, a workbench and a plywood. By energizing the coil, it creates gravity to sandwich the sheet between the platen and the base. Due to the electromagnetic force clamping method, the pressing plate can be made according to the specific requirements of the workpiece, the operation is simple, and the workpiece with the side wall can be processed.

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  • What is the application of laser cutting machine in sheet metal processing?

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    The compressed air-assisted cutting of laser cutting machines can also achieve the same cutting edge quality as oxygen or nitrogen. The cut edges need to be cleaned thoroughly to allow most of the powder coat to adhere, no need to wash twice. The size of the resonator is a major limitation for compressed air-assisted laser cutting. But now, high-power laser cutters, at 4000w, are an effective way to air-assisted cutting steel, stainless steel, and aluminum with thicknesses up to 1/8 inch (about 3 mm).

    A laser cutter with a 6000w resonator can cut to 3/8 inch (about 9.5mm) material thickness. This discovery has changed the manufacturing and assembly methods of Palmyra, Missouri, Inc. (Doyle) for 50 years, and Cincinnati Inc. (cincinnati inc.) will reduce processing time by 90% with a cl-940 fiber laser Cutting machines and using nitrogen are only a fraction of the cost of the original air-assisted gas fiber laser cutting systems. “This new fiber laser cutter is a game-changer and changes the way we think about product manufacturing,” Doyle said.

    In fact, laser technology continues to amaze us and innovate the way the industry has been around for years. In recent years, the hcf3015i series fiber laser industry has promoted the Huineng photoelectric cutting machine, fiber transmission, and flexible processing this year to meet various processing needs. 1mm stainless steel plate, the maximum cutting speed is 22 meters per minute, and 0.5mm stainless steel plate, the maximum cutting speed can reach 40 meters per year. The hcf3015i series is equipped with a double switch table, while the header is equipped with a handle ball, easy plate movement; a rough positioning device to the plate positioning clip, while preventing movement, high machining accuracy and reducing waste.

    In terms of laser cutting, there is no shortage of well-known high-power lasers in China. Recently, it has been reported that the innovative layout of new technologies reflects grand plans and lofty aspirations in South Korea’s next-step research and development in the fields of laser manufacturing, high-power cutting and welding, industrial robots, and robot-based equipment.

    In the on-site metal sheet cutting, the Han g3015f fiber laser cutting machine is also very famous. It is the earliest laser in China and has reached the international advanced level. It is a mature product that has successfully won many industry awards. The g3015f adopts optical fiber transmission and flexible processing to achieve high-quality cutting of any shape, suitable for cutting high-return materials such as copper and aluminum. This series of products has the advantages of strong cutting ability, fast flying speed, low operating cost, good stability, high processing quality and strong adaptability.

    Among them, the cutting speed of 1mm stainless steel is 40m/min, and the cutting speed of 0.5mm stainless steel is 100m/min.

    The invisible hero, the invisible hero behind the laser cutter, makes the processing fly and speak for itself. Maximum power 10000w TRUMPF TruFlow series CO2 laser can be used for laser cutting, laser welding and surface treatment. Folded into a square structure, and the temperature of the gas laser is always stable under all vibrational components of thermal load, enabling thermal stability and excellent mechanical stability, the laser truflow series. After decades of development, this series of lasers enables users to obtain repeatable high-quality processing results at any time.

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  • In the process of automobile stamping parts, what is the material of small and medium-sized automobile stamping parts?

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    There are specific types of automotive stamping parts, including brackets, end caps, covers, oil seals, impellers, lugs, brackets, etc., all of which are stamped parts, because they are all stamped. In addition, according to its size, it can be divided into two categories: large impact and small impact.

    In automobiles, for small stamping parts, materials such as SPHE, SPHC, ST12, and DC01 are generally used. DC01 and DC01 are the most commonly used. The ST12 has both. However, in this work, the following principles should be followed:

    Principle 1: It should be able to meet the performance requirements of the parts and their use requirements. It can only be realized according to different usage requirements.

    Principle 2: Stamping parts should have good process performance, good economic performance, and can be well processed by stamping and other processes.

    In addition, in specific operations, the mechanical properties of excellent materials should be selected and determined according to the types of automotive stampings and their use characteristics. Because the material is different, its power is also different. Learning performance is also different. As long as the selection is correct, the product quality can be guaranteed and the purpose of saving can be achieved. A definite decision will then be made. Pick another suitable one.

    It can be seen from this point that the selection of automobile stamping parts is very important, which will affect the use of automobile parts and so on. Because this work has to be done well. And to a certain extent, the correct and reasonable selection of automobile stamping parts is the basis and key to the subsequent use, and it must not be sloppy.

    The above is the relevant content about the processing of automobile stamping parts. The processing principle of automobile stamping parts must be conducive to improving the utilization rate of metal materials, reducing the variety and specifications of materials, and minimizing the consumption of materials. Minimize wastage of parts while allowing the use of low-cost materials. I hope the above content will be helpful to readers.

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  • What are the effects of materials on the processing of stamping parts?

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    1. Punching

    Blanking stipulates that the raw material should have sufficient plasticity to ensure that the material does not crack during the blanking process. After punching soft materials, punching parts with smooth cross section and small slope can be obtained. The roughness of the cross section of the hard metal stamping material after punching is large, and the thick material is a ductile material, which is prone to tearing after punching.

    2. Bending

    The bending material should have sufficient plasticity and low strength limit; high plasticity sheet is not easy to crack when bending; materials with low strength limit and low elastic mold become less elastic after bending, and it is easy to obtain bending parts with accurate dimensions; for ductility Large metal stamping materials must have a large relative bending radius when bending, otherwise the material will easily crack during the entire bending process.

    3. Stretching

    The drawing process of the material not only stipulates that the drawing depth is as small as possible, the appearance is as simple and round as possible, but also that the material has good plasticity, otherwise it is easy to cause overall bending deformation, partial wrinkles, serious tensile cracking, etc.

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  • 浅谈不锈钢钣金加工几种效果

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    Mirror finish is used for pre-polishing and fine polishing. Pre-polishing uses a hard or harder buffing wheel to finish the finish of the stainless steel sheet metal finish and remove the roughness of the ground finish. Fine polishing uses soft to further process the pre-polished surface, remove the traces left by pre-polishing, and obtain a bright mirror surface.

    The mercerizing effect is the process of using the brushing wheel installed on the grinding and polishing machine to process the surface of the stainless steel sheet metal to obtain decorative silk-grain brushing and satin finishing.

    Sandblasting effect, using compressed air flow to spray sand or steel pellets, glass balls and other abrasives on the appearance of stainless steel sheet metal processing, so that it presents a beautiful, slightly rough sandy appearance.

    In stainless steel operations, stainless steel is usually heated by coils, lashings, welding or fire on artificial surfaces to produce black scale. This gray-black scale is relatively strong and contains two EO4 components, NiCr2O4 and NiF. In the past, it was basically removed by strong etching with hydrofluoric and nitric acids. However, due to environmental pollution, harm to human body, high corrosion and high cost, the sheet metal processing industry gradually adopts chemical methods: non-polluting pickling passivation paste and non-toxic cleaning solution are used, and inorganic additives are added for leaching at room temperature.

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  • What is the need to pay attention to in the maintenance of stamping parts?

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    Today, deep drawing parts are widely used in all areas of our lives. In order to properly prolong the service life of drawn stampings, careful maintenance is required. So, what should be paid attention to when maintaining it? The following Zhejiang Baifudu Electromechanical editor will take you to understand!

    Before installation and use of stretch stamping parts, the stamping parts should be strictly inspected and the dirt should be removed, and the guide bushes and dies of the stamping parts should be carefully checked whether they are well lubricated.

    According to the installation steps of the stamping die, install the stamping die and the stamping die on the turntable to ensure that the direction of the stamping die and the stamping die are consistent, especially the stamping parts (non-circular and square) with the required direction are larger. Take care to prevent assembly errors and gaps.

    When the edges of the punch and the die of the stamping part are worn, it should be stopped in time for grinding. Otherwise, the degree of die edge wear will rapidly expand, the die wear will be accelerated, and the quality of stamping parts and die life will be reduced.

    Regularly check the turntable of the punch and the mounting base of the die to ensure the coaxial accuracy of the upper and lower turntables.

    When installing the mold, the press mold should be made of soft metal (such as copper, aluminum, etc.) to make operating tools to avoid damage to the tension part during installation.

    To ensure the service life of the stretch stamping parts, the spring of the mold should be replaced regularly to prevent the spring fatigue damage from affecting the use of the stretch stamping parts.

    The service life of stretch stamping parts depends not only on reasonable die structure, superb manufacturing accuracy, good heat treatment effect, and the correct selection of punches and the installation accuracy of stretch stamping parts, but also on the correct use, maintenance and maintenance of the die. Therefore, we must eliminate the adverse effects of various factors on the service life of drawing and stamping parts, and take effective measures to improve their service life.

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