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    天博app-天博app下载|网页版登录. is one of the wholly-owned subsidiaries of Yihua (stock code: 002897) opened in Dongguan, Guangdong Province in 2018. It has more than 800 employees, including more than 200 professional and technical personnel. Located in Daowei, Dongguan, the park enjoys convenient transportation, covers an area of more than 60 acres, and has complete living facilities (reading room, internet cafe, basketball court, football field, badminton, table tennis, billiards, etc.), and a beautiful garden-like factory.
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    Mold Department Workshop 24

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    Mold Department Workshop 23

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    Mold Department Workshop 13

  • RoHS2

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    Baige Tester

  • Electric bending test machine
    Electric bending test machine

  • TV microscope
    TV microscope

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    Electronic universal testing machine

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  • Blast drying oven 01
    Blast drying oven 01

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    Blast drying oven 02

  • spectrometer

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    Constant temperature and humidity box 01

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    Constant temperature and humidity box 02

  • Good manufacturer, strong strength, guaranteed

    Full process manufacturing and service capabilities

    Years of focus on the production of dense injection molded parts

    Quality delivery guarantee

    One of the wholly-owned subsidiaries of 天博app-天博app下载|网页版登录. opened in Dongguan, Guangdong Province in 2018

    The company's main products are: Usb cable,Chaohu charger,U-shaped bottom cover,Second generation body fat scale,Philips lampshade.

    Strong development and manufacturing strength is your most solid backing

    Master the core technology

    The company has a wide range of advanced production technology and first-class technical personnel, constantly optimize product and service quality.

    Yitai adheres to the management experience of pragmatism. The products are widely sold at home and abroad and are trusted and appreciated by customers.

    Rigorous quality management processes to ensure high quality products

    A number of international quality certifications

    The products produced by the company are in line with national environmental and quality standards, and strictly comply with ISO, GB, GBT, ASTM, DIN and other international standards. It is an ideal choice for customers.

    Yitai also has its own quality management testing team, from raw material procurement to delivery, to ensure 100% qualified products.

    24-hour free consultation to make the service more intimate

    Perfect after-sales team, one-stop solution for you

    The company set up a 7*24-hour large after-sales team and consulting team to provide one-stop solutions and product understanding solutions for after-sales and customers who want to know.

    Adhere to the practical, innovative, efficient, and honest management experience, the products are widely sold at home and abroad, and are trusted and appreciated by customers.

    Service Hotline: +86-769-89296989

    Provide product design, process design

    Provide all technical support in the process, all problems in one step

    Plastic mold life and injection mold structure design
    Die life and mold structure design
    Die life is a comprehensive reflection of mold design, mold material performance, mold manufacturing level, mold heat treatment level, and use and maintenance levels for a certain period of time. The level of mold life reflects the level of metallurgical industry and machinery manufacturing industry in a country and a region to a certain extent.
        Die life refers to the number of times the mold can be formed in the premise of ensuring the quality of the part. For example, if the mold life of a cavity is 100,000 times, it means that 100,000 qualified parts can be produced. When the life of a mold with 4 cavities is 100,000 times, it means that 400,000 qualified parts can be produced. It includes repeated sharpening and replacement of consumables until the main part of the mold is replaced by the total number of qualified parts formed. In the actual operation of the factory, when the cost of re-maintenance is often about 1/3 to 1/2 of the cost of re-production, it is determined that the mold has failed, and then maintenance is often not worth the loss.
        The failure of the mold is divided into abnormal failure and normal failure. Abnormal failure (early failure) means that the mold cannot be serviced if it does not meet the industry-recognized life. Normal failure means that the mold cannot be used for continued service due to slow plastic deformation or relatively uniform wear or fatigue fracture after mass production. Despite the wide variety of molds, the working conditions are very different, and the damaged parts are different, but according to the failure form, it can be divided into three types: wear failure, fracture failure, and plastic deformation failure. 1) Wear is due to the relative motion of the surface, the contact surface gradually loses material; 2) The fracture can be divided into plastic fracture and brittle fracture, and the brittle fracture can be divided into one-time fracture and fatigue fracture; 3) plastic deformation is when the mold When the stress of a certain part exceeds the yield limit of the mold material at that temperature, plastic deformation occurs due to lattice slip, twinning, grain boundary slip, etc., changing the geometry or size, and cannot be repaired. In service, it is characterized by upsetting, bending, swelling of the cavity, and collapse. The plastic deformation of the mold is the yielding process of the mold metal material.
        The service life of the mold is related to the mold design level, the mold structure, the heat treatment of the mold material, the material selection, the machining process, and the smoothness of the mold. According to the analysis and statistics of a large number of failed molds by relevant personnel, among the various factors causing mold failure, about 25% of the mold failures are caused by the unreasonable mold structure. Therefore, designing a reasonable mold structure improves the quality of the mold and The service life will play a multiplier role. Reasonable mold structure design should make the mold work evenly, not easy to be biased, and the stress concentration is small.
        Regardless of the type of mold, the formwork should have good rigidity, and the formwork should not be too thin. When the working machine space is sufficient, the thickness should be increased as much as possible, not only to meet the strength requirements of the formwork, but also to consider the rigidity of the formwork. Judging from the large-scale imported molds, the domestic molds generally have a thin template phenomenon, which is mainly due to insufficient understanding of the rigidity of the mold base.
        For multi-station molds, it is often difficult to ensure the accuracy of the guide by two guide pillar guides. Four guide pillar guides should be used, and six guide pillar guides should be considered for large molds. When using multiple guide pillars, the positional accuracy of the relevant parts should be given special attention.
        For the forming part of the mold, the radius of the corner of the working part not only affects the forming process and the quality of the part, but also affects the failure form and life of the mold. Under the premise of meeting the requirements of the product, try to increase the size. The working part transitions the fillet radius, which will have an unexpected effect on increasing the life of the mold. For the case where the corner radius cannot be increased and the complicated structure of the die, the insert structure can be considered, which also reduces the stress concentration.
        For the stamping die, under the premise of ensuring the dimensional accuracy of the workpiece, the gap between the convex and concave molds is reasonably increased to improve the stress state of the working part of the punch, so that the punching force, the unloading force and the pushing force are reduced, and convex The die edge wear is reduced, thereby increasing the life of the mold.
        Multi-station high-speed progressive stamping die should pay attention to the problem of scrapback of the scrap, and increase the corresponding measures in the structure to avoid the phenomenon of micro-slack rebound caused by the instantaneous vacuum effect during high-speed stamping, so that the scrap enters the working area and the convex die blade The mouth is cracked.
        For high-temperature molds such as hot forging dies, heat dissipation and cooling are not negligible in structural design. Local temperature should be avoided and plastic deformation of the mold material should be avoided.
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  • What is the difference between plastic molds and injection molds?
    When a product is born, mold opening is essential, and when we need to find a mold opening factory, we often think that injection molds and plastic molds are a meaning, then understand the difference between plastic molds and injection molds, please read this article Will take you to understand the difference!
    Plastic mold, a combined plastic mold for compression molding, extrusion molding, injection molding, blow molding and low foam molding, mainly comprising a combination of a die assembly substrate, a die assembly and a die combination card A concave mold of a deformable cavity, a punch having a variable core composed of a punch combination substrate, a punch assembly, a punch combination card, a cavity cutting assembly, and a side cut composite plate. Coordinated changes in the die, die and auxiliary forming systems. It can process series of plastic parts of different shapes and sizes.
    Injection molds are a tool for producing plastic products; they are also tools that give plastic products complete structure and precise dimensions. Injection molding is a processing method used in mass production of complex parts of certain shapes. Specifically, the plastic melted by the heat is injected into the cavity by the high pressure of the injection molding machine, and after cooling and solidifying, the molded article is obtained. The injection mold consists of two parts: a movable mold and a fixed mold. The movable mold is mounted on the moving template of the injection molding machine, and the fixed mold is mounted on the fixed template of the injection molding machine. In the injection molding, the movable mold and the fixed mold close constitute a casting system and a cavity, and when the mold is opened, the movable mold and the fixed mold are separated to take out the plastic product. In order to reduce the heavy mold design and manufacturing workload, most of the injection molds use standard mold bases.
    It can be seen from the above that there is still a certain difference between the plastic mold and the injection mold, which also facilitates communication between us and the plastic mold manufacturer to avoid making mistakes.
    When will the two-color injection molding process be used?
    In fact, many of the construction techniques used in car lights are emerging two-color injection molding in recent years. In fact, the embodiment of this process is to have two different colors when the product is processed. When the product is processed, the procedures involved are still complicated. For many people, this two-color injection molding process is very versatile, and general electronic products are the most commonly used.
    Two-color injection molding in mobile phone battery applications
    The mobile phone that everyone usually uses, after removing the battery, the exposed plastics are generally of different colors. When processing this product, it is necessary to use special two-color injection molding. Generally, when using this two-color injection molding process, the best finished product may be a color, but if you want to be your favorite color, sometimes there is no way to do a color.
    Two-color injection molding has broad prospects
    For many people, two-color injection molding has helped him a lot, and it is also a major breakthrough in related industries. I hope that everyone can pay more attention to this process, and in the near future, it will definitely give you even more surprises. In fact, when processing plastic products, the accuracy of the mold is very high. When you use the new two-color injection molding process, you must first perform the first shot, then rotate the mold one hundred and eighty degrees before the second shot.
    The new mobile phone uses a two-color injection molding process that is unobtrusive and feels good.
    Many of the latest mobile phones that are put on the market basically use this two-color injection molding process. In fact, the first button mobile phone is the most extreme embodiment of this technology. The product produced by this two-color injection molding process can not only achieve the beautiful effect, but also feel better when touched. You must also have a deep understanding. The cost performance of related products is also very high.
    What is the plastic mold processing process?
    Usually, the mold has two parts, an upper mold and a lower mold. The steel plate is placed between the upper and lower molds, and the material is formed under the action of the press. When the press is opened, the workpiece determined by the shape of the mold is obtained or the corresponding waste is removed.
    Specific plastic mold processing process:
    1. The bottom surface is processed and the processing volume is guaranteed;
    2. The benchmark of the casting blank is corrected, and the 2D and 3D surface balance inspection;
    3, 2D, 3D profile roughing, non-installation non-working plane machining (including safety platform surface, buffer mounting surface, platen plane, side reference surface);
    4. Before semi-finishing, the alignment of the side datum ensures accuracy;
    5, semi-finished 2D, 3D profile, finishing all types of installation work surface (including the limit block mounting surface and contact surface, insert mounting surface and back surface, punch mounting surface, scrap cutter mounting surface and back surface) , spring mounting surface and contact surface, various stroke limit working surface, wedge mounting surface and backrest surface), semi-finishing all kinds of guiding surfaces, guiding holes, leaving the finishing process reference hole and height reference surface, and recording data;
    6, inspection and review processing accuracy;
    7. The setting operation of the fitter;
    8. Before the finishing, the reference hole of the process reference hole is corrected, and the remaining amount of the insert is checked;
    9, finishing surface 2D, 3D, side punching surface and hole position, finishing process reference hole and height reference, finishing guide surface and guide hole;
    10. Inspection and inspection processing accuracy.