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

  • How to ensure the continuity of aluminum casing stamping?

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    In the production process of aluminum casing, stamping is a very important process. However, with the continuous improvement of people’s requirements for aluminum casings, if the improvement of the production process is not enough to achieve the refined production of the stamping department, it is necessary to further improve the continuity in the production, so that the stamping department can be realized. At the same time of refined production, it can also effectively ensure product quality. So how should we ensure the continuity of aluminum casing stamping? The following editor will introduce to you:

    The methods to ensure the continuity of the stamping of the aluminum casing are as follows:1. Make preparations for the stamping of the aluminum casing:

    Carefully and carefully understand the structure and size of the product, check whether all aspects of the punch and die can operate normally, carefully hold a meeting to list and explain each element and step before stamping a new product, and consider the possible downtime factors during production.

    2. Reduce the defects of aluminum casing during stamping:

    Pay close attention to the phenomenon of waste products produced during production, analyze the reasons for the defective products, find out the root cause, and then summarize the methods to solve the problem completely.

    3. Reduce or eliminate downtime when stamping aluminum casings:

    Machine tools and molds are repaired as soon as there is a problem, that is, immediate repairs; operators and mold room masters maintain machine tools and molds every day, that is, routine repairs, such as using mold trial methods to predict potential failures and ensure production equipment. And machine tools will not be downtime due to failures, that is, preventive maintenance.

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  • Selection of stamping process plan

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    A stamping part usually has many stamping process plans to choose from. If you want to choose a good scheme, you should consider all factors comprehensively, and then choose a suitable one that is more reasonable in technology and economy. Zhejiang Balford Precision Stamping Co., Ltd., a manufacturer with rich experience in stamping and precision stretching, come to talk about it.The best processing scheme for stamping parts is always relative; This is related to the specific production conditions of the stamping factory. Therefore, when determining the stamping process plan, we should start from the existing production conditions, ensure the quality of stamping products and meet the production batch requirements, and complete the stamping process in an economical and reasonable way.

    In addition, for some combined stamping parts or stamping parts with special requirements, after analyzing the process nature, quantity sequence and process combination mode of stamping parts processing, non stamping auxiliary processes, such as drilling, turning and other mechanical processing processes, welding, riveting, heat treatment, surface treatment, cleaning and deburring, should also be considered.

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  • Stamping

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    Stamping (also known as pressing) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape. Stamping includes a variety of sheet-metal forming manufacturing processes, such as punching using a machine press or stamping press, blanking, embossing, bending, flanging, and coining. This could be a single stage operation where every stroke of the press produces the desired form on the sheet metal part, or could occur through a series of stages. The process is usually carried out on sheet metal, but can also be used on other materials, such as polystyrene. Progressive dies are commonly fed from a coil of steel, coil reel for unwinding of coil to a straightener to level the coil and then into a feeder which advances the material into the press and die at a predetermined feed length. Depending on part complexity, the number of stations in the die can be determined.

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  • Precision motor core

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    The iron core is an important part of the motor product, generally made of 0.35mm, 0.5mm thick silicon steel sheet. In all aspects of motor production, core punch production is the key. At present, China’s high-speed precision stamping iron chips and iron cores are automatically riveted, Three cores with twisted slot rivets, Iron core with twist groove and rotary rivet, Core double-turn rivets, iron double-row rotary rivets, Large outer rotor core with twisted slot rivets, Stator core semicircle combination riveting, Stator core multi-piece stack riveting, The combination of high-speed precision stamping production technology such as long straight-bar stator core coils and stacking rivets is not inferior to international advanced technology.

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  • Aluminium Motor Housing

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    We are manufacturing aluminium motor housing that is used in air circulaters, exhaust fan, etc. Padmawati extrusion is acknowledged among the efficient motor aluminium housings manufacturers and suppliers. We offer aluminium motor housings in customer specified sizes. We offer aluminium motor housings with superb strength at market leading prices.
    Features:
    Ability to withstand harsh conditions
    Rust resistance
    Excellent finish

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  • Die Casting Motor Housing

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    Aluminum alloy has been the widest material used in motor housing. This is no surprising, as it has many advantages, such as easily machining, strong, high light-to-weight ratio, aesthetic, durability, as well as recycle characteristic. Those features make it to be an idea option for motor housing material.

    we have specialized in aluminum die casting processing for motor housing for lots of years.

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  • Precision Stamping

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    Over 20000+ sets of precision stamping parts production experience, stamping accuracy up to ± 0.01mm.
    To achieve a high-quality international level, ISO 9001, ISO 14001, and IATF 16949 certifications promise high-quality precision stamping parts.
    Supporting you through all processes of your project, working with you to develop the ideal, competitive stamping solution. From our engineering services to tool manufacturing and parts production.

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  • Precision Metal Stamping

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    Zhe Jiang Balford Metal Stamping operates as a prime producer of precision stampings in all shapes, sizes, and materials, striving to consistently meet and exceed the needs and expectations of our customers. 

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  • High Precision Metal Stamping

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    Our in-house tool and die shop enables us to start metal stamping parts as soon as your design is approved. We have the capabilities to robotically transfer parts from die to die in the stamping process, for fast, efficient production. We also utilize progressive dies and hand fed line dies to produce precision metal stamping parts. These capabilities allow us to provide exceptional precision and part-to-part repeatability.

    Our engineering and tech group will work with you as needed to refine your designs and develop a final product that will meet or exceed your expectations.

    Vision can produce metal stamping parts and components from a range of materials and alloys, including carbon steel, stainless steel, aluminum, and others. We work in thicknesses up to 20 mm.

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  • What Is Stamping?

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    Stamping or pressing is a manufacturing process used to convert flat metal sheets into final shapes. In this process, a flat sheet of metal, either in the form of a blank or in the form of a coil, is placed in a stamping press where a tool and die surface forms the metal into a final shape.

    Stamping encompasses a variety of sheet metal forming manufacturing processes, such as punching using a machine press or stamping press, blanking, embossing, bending, flanging, and coining.

    This could be a one-step process where each stroke of the press creates the desired shape on the sheet metal part, or it could be done through a series of steps. The process is usually carried out on sheet metal, but can also be used on other materials such as polystyrene.

    Progressive dies are commonly fed from a coil of steel, coil reel for an unwinding of the coil to a straightener to level the coil and then into a feeder which advances the material into the press and dies at a predetermined feed length. Depending on part complexity, the number of stations in the die can be determined.Stamping is usually done on cold metal sheets. See Forging for hot metal forming operations.

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  • Metal Stamping Parts

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    HULK Metal has provided excellent metal stamping services for more than 20 industries such as automobiles, home appliances, machinery, and other manufacturing or construction industries. Our factory strictly implements the ISO9001 quality management system and is equipped with more than 20 stamping machines with different pressures to manufacture metal stamping parts with a thickness of 0.1mm~10mm. Our products can pass CE, GB, and SGS certifications.

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  • Electronic Stampings Parts

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    The surface and intrinsic properties of electronic stamping materials have a great influence on the quality of stamped products. The thickness of stamping material is required to be precise and uniform; the surface is smooth, no spots, no flaws, no scratches, no surface cracks, etc.; Uniform yield strength, no obvious directionality; high uniform elongation; low yield ratio; low work hardening.

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  • Factors influencing the dimensional accuracy of metal stamping parts

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    Different metal stamping products have different requirements for accuracy. As long as we meet the accuracy requirements of customers and comprehensively consider production costs, we can produce qualified stamping parts. The factors that affect the dimensional accuracy of metal stampings must be known by everyone. Let’s have a look together.The dimensional accuracy of metal stamping parts refers to the difference between the actual size of stamping parts and the basic size. The smaller the difference, the higher the dimensional accuracy of metal stamping parts.

    The influencing factors are as follows:

    1. Manufacturing precision of metal stamping die.

    2. Gap between male and female dies.

    3. Elastic recovery of materials after stamping.

    4. Accidental factors in the production process, such as inaccurate positioning, unstable material performance, etc.

    It can be divided into precision level and ordinary level. The ordinary level is the precision that can be achieved by more economic means, while the precision level is the precision that can be achieved by stamping technology.

    The surface quality of metal stampings shall not be higher than that of raw materials, otherwise, subsequent processing is required to achieve it, increasing production costs.

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  • Motor Housing

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    METALLECA® Motor housings are widely used in generators and electric motor series. The power of motor is range from 1KW to 20KW. The materials of the housing are no longer limited to steel and pig iron as in the past, then the thin and lightweight stainless steel and aluminum alloy are also more popular. Our production of motor housing is made aluminum alloy and common carbon steel. The housing of the motor has a protective effect and functions as a component mounting frame. In addition, some special models of motor housings also have functions with heat dissipation or sound insulation.

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  • What is motor housing?

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    As the benefits and proportion of motor housing production become increasingly prominent in the manufacturing industry, it is very necessary to understand and master the design and manufacturing process of motor housings.

    Deep drawing is a processing method in which punched flat blanks are pressed into hollow pieces with various openings or the finished hollow pieces with openings are processed into hollow pieces of other shapes. The force process of the motor housing deepening is similar to the change of the fan-shaped blank being pulled through a wedge-shaped slot. While being elongated in the diameter direction, the tangential direction is compressed. In the actual drawing process, of course, there are no wedge-shaped grooves, and the fan-shaped small unit bodies on the blank do not exist alone but are in an interconnected and tightly integrated whole blank.

    The thickness of the workpiece obtained after the deep drawing is different from the bottom to the mouth. The thickness of the upper part of the sidewall of the cylinder increases the most, about 30%; the thickness of the sheet is the smallest at the corner of the cylinder wall and the bottom, and the thickness is reduced by nearly 10%, where it is most likely to be broken during deep drawing. When the stress of the section exceeds the strength limit of the material at this time, the part will crack here. Even if the drawn part is not cracked, the product may be scrapped due to excessive thinning of the material.

    At present, a large-area motor casing is being processed. The original process is to align the shape of one end to straighten the middle, position the hole, and process the end to form the motor casing through the four-jaw clamp for vertical vehicles. When this method is not easy to operate and the vertical processing is not accurate, the production efficiency is low. How to shorten its production cycle, improve labor productivity, and reduce its production cost under the premise of ensuring the quality of parts processing is particularly important.

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