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High-difficulty two-color and multi-color injection molding technology? For those confused, let's learn together with HUIWEN Plastics. HUIWEN Plastics, a custom manufacturer, possesses innovative injection molding technology that can combine two, three, four, or more colors of materials into a single product. This allows products to meet both diverse color requirements and varied functional needs—this is the high-difficulty two-color and multi-color technology. HUIWEN Plastics, a custom...
HUIWEN tells you about the classifications of plastic injection molding for plastic parts products
Classifications of Plastic Injection Molding Common household appliance casings and precision medical injection molded parts are all injection molded. HUIWEN tells you about the classifications of plastic injection molding. Injection molding is a method of industrial product manufacturing. Products are usually made using rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding compression molding and die casting. HUIWEN tells you...
Characteristics of Precision Medical Injection Molded Parts plastic parts
HUIWEN Plastic Parts shares the characteristics of precision medical injection molded parts. Why do many medical industry-related machine parts choose to be customized with precision medical injection molded parts? It's actually related to the characteristics of precision medical injection molding. Let's take a look. HUIWEN shares the characteristics of precision medical injection molded parts: 1. Complex Shapes: Some products, such as automotive body panels, aircraft parts, toys, and...
HUIWEN Plastic Parts' Latest Compilation of Medical Injection Molded Parts
Recently Compiled Compilation of Medical Injection Molded Parts Types The medical injection molding industry is an emerging industry that has developed alongside modern medicine. It has attracted much attention due to its high technology, high added value, high growth rate, and vast market. For over 20 years, with the development of medical devices, medical injection molded parts have played an increasingly important role in the medical field. Medical injection molded parts can be divided...
HUIWEN Unveils Commonly Used Medical Injection Molding Materials for plastic parts
Commonly Used Medical Injection Molding Materials There are over 90 types of polymer materials used in medical injection molding products. Plastics, with their excellent properties, reliable performance, and convenient molding processes, have gained increasingly widespread application in the medical field, making the manufacture of medical supplies from plastic materials a promising prospect. Below are some major categories of commonly used medical injection molding materials. **Polyvinyl...
Standards for Medical Injection Molded Parts plastic parts Manufacturers
Medical injection molded parts manufacturers shall meet the following standards: (i) Possess production sites, environmental conditions, production equipment, and technical personnel suitable for the production of medical injection molded parts; (ii) Have an institution or full-time inspection personnel and inspection equipment for quality inspection of the produced medical injection molded parts; (iii) Have a management system to ensure the quality of medical injection molded...
Characteristics of Medical Injection Molded Parts
Medical injection molded parts, due to their special applications, require different functional and bio-performance specifications. Most also require secondary processing, distinguishing them from ordinary plastic products. Research has revealed the following common characteristics: Medical Aesthetic Two-Color Mold Injection Molding 1. Most are manufactured through extrusion and injection molding into parts, followed by secondary processing and assembly. 2. They have corresponding...
HUIWEN Unveils Factors Affecting the Price of Medical Injection Molded Parts Processing
With the changing times and technology, the medical and pharmaceutical industry increasingly relies on plastic injection molded parts. Therefore, customers are undoubtedly most concerned about the current processing price of medical injection molded parts, as this is related to people's livelihoods. To reduce the cost of medical care for ordinary people, we, as manufacturers of medical injection molded parts, should shoulder our responsibilities as manufacturers of medical packaging and...
Six Key Elements of Appearance, Structure, and Function in Medical Plastic Injection Molding Parts
Feasibility Analysis of Medical Injection Molding Part Shape and Structure The shape of medical injection molding parts is a major factor determining the mold's machining accuracy, the number of mold cavities, and mold life. Shibang Plastics engineers design a reasonable number of mold cavities based on the product's appearance, structure, and shape during mold opening to meet the machining accuracy requirements of medical injection molding parts, improve production efficiency, reduce...
Secondary Processing Technology for Medical Injection Molded Parts
Medical injection molded parts often require secondary molding after extrusion, injection molding, and surface treatment. Common secondary processing technologies for medical injection molded parts include joining, assembly, drilling, thermoforming, printing, laser engraving, surface finishing, tube end forming, and tube welding. 1. Joining Medical Injection Molded Parts Adhesive Joining Adhesive bonding is a widely used method where adhesives are applied to the surface of the plastic...
HUIWEN Plastic Injection Molding Cost Accounting Method
Plastic Injection Molding Cost Accounting Method Plastic injection molding is a method of industrial product manufacturing. Products are typically produced using rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding compression molding and die casting. An injection molding machine (or simply injection molding machine) is the main molding equipment used to create various shapes of plastic products from thermoplastic or...
HUIWEN Plastic Injection Mold Quick Quotation Method
HUIWEN Plastic Injection Mold Quick Quotation Method Quick Quotation Method for Injection Molds 1. Empirical Calculation Method for Plastic Injection Molds 1.1 Mold Price = Material Cost + Design Fee + Processing Fee and Profit + VAT + Trial Mold Fee + Packaging and Transportation Fee; 1.2 The proportions of each item are usually as follows: ※ Material Cost: Materials and standard parts account for 15%-30% of the total mold cost; ※ Processing Fee and Profit: 30%-50%; ※ Design Fee:...
How to solve the shrinkage problem in plastic injection molding?
With the continuous improvement of plastic injection molding processes, minimizing shrinkage and improving product quality is imperative. Shrinkage is more severe in thicker areas of plastic injection molded parts, such as ribs or protrusions, than in adjacent areas. This is because the cooling rate in thicker areas is much slower than in surrounding areas. This difference in cooling rates causes depressions at the joint surfaces, which are the familiar shrinkage marks. This defect severely...
plastic parts Plastic Injection Molding Molds - Processing Classification
Injection molding is a common industrial product manufacturing method in machining. This process processes rubber and plastic to obtain the desired shape. Injection mold processing has several classifications, and the processing technology should be selected according to the requirements of the injection molded product. Classification of Injection Mold Processing I. Single Parting Surface Injection Mold In this type of mold, the moving mold and the fixed mold are separated during mold...
HUIWEN Plastic Product Material Classification and Application
Plastic Product Material Classification and Application Plastic products are everyday items we use every day. From telephones, fax machines, computers, mobile phones, bowls and chopsticks, to bottles and jars of all sizes, you come into contact with them to some extent. However, you often don't know what materials they are made of. Without classification, plastic resources cannot be recycled and reused, which is a waste of resources. Generally speaking, because plastics are easy to recycle,...
Specialized Terminology in the Plastic Injection Molding Industry [Worth Saving]
Plastic Processing Terminology * **Weld Mark/Watermark/Line/Stretch:** A mark caused by incomplete fusion at the interface of two material streams during injection molding. * **Shrinkage Mark/Shrinkage:** A depression on the surface of a plastic part that occurs when the part cools and solidifies within the mold cavity due to uneven wall thickness, insufficient injection pressure, or insufficient cooling time. * **Airflow Marks:** Material flow marks on the surface of a plastic part...
Principles of Plastic Injection Molding Mold Production
Plastic products are widely used across various industries. Injection molds are an indispensable tool in plastic product manufacturing. The mold determines the product's structure and dimensions. Therefore, to produce high-quality plastic products, it's essential to understand the principles of plastic injection molding mold production, summarized as follows: 1. When designing each injection-molded product, first determine its mold opening direction and parting line to minimize the impact...
Plastic parts Injection Molding Parts - Manufacturing Process
Plastic injection molding refers to a business where the client provides drawings or physical samples, and the injection molding factory manufactures the injection molded products according to the client's requirements, charging mold fees and processing fees. Injection molding is a knowledge-intensive, highly technical, and practical industry. It requires not only a professional production team but also adequate hardware facilities such as production equipment. Compared to other industries,...
Can small appliance casings shells be made in multiple colors?
I saw a plastic product in the sample cabinet with two different colors. Engineer Huang explained that this is a classic two-color injection molding process, where two different materials are injected into the same mold to create a product formed from two materials. The two materials may differ in color or hardness, which improves the product's appearance and assembly performance. So, can small appliance casings be made in multiple colors? First, let's discuss the difference between...
Injection Molding Manufacturers Tell You How to Get a Quote for Injection Molding Processing
Many people want to process injection molded parts and find quotes from various manufacturers online. However, as a purchasing agent, you don't know how the price is calculated and can't control costs effectively. Aside from differences in raw materials, there are generally universal methods. HUIWEN Injection Molding Manufacturers tells you how to get a quote for injection molding processing. 1) Unit Price Unit Price = Material Price + Processing Fee Material Fee Unit Price = (Actual Weight...
How do injection molded parts manufacturers solve product shrinkage problems?
Shrinkage problems in plastic parts (surface sink marks and internal cavities) are defects caused by insufficient molten plastic replenishment during the cooling of thicker areas. We often encounter this problem. Do you know how injection molded parts manufacturers solve product shrinkage issues? HUIWEN Plastics will explain. Among commonly used raw materials, PC material is notoriously difficult to solve due to its rapid cooling rate, and PP material also faces challenges with sink marks...
Selection of Raw Materials for Medical Plastic Injection Molding Parts
In recent years, the use of plastic injection molded parts in the medical field has increased significantly. Because these parts come into contact with medications or the human body, the basic requirements for medical plastics are chemical stability and biocompatibility. So, how should one choose plastic raw materials when customizing medical plastic injection molded parts? HUIWEN Plastics lists the following points: 1. Polyvinyl Chloride (PVC) PVC is one of the world's most produced...
Plastic Blow Molding Machine Injection Mold Processing Principle
In recent years, the application of plastic blow molding machines and injection molds has become increasingly widespread. Do you know the processing principle of blow molding machine injection molds? Below, HUIWEN Plastics will give you a brief introduction. During the production process of plastic blow molding machine injection molds, longitudinal thickness uniformity can be controlled by extrusion stability and traction speed. Transverse thickness uniformity of the film usually depends...
Profitability Trends in the Cosmetic Injection Packaging Industry
The profit levels of cosmetic injection packaging companies are influenced by several factors. Firstly, they are affected by upstream raw material prices, R&D and innovation capabilities, production technology levels, and product iteration speed. Secondly, they vary depending on the target customer group. Companies producing higher-end cosmetic packaging containers generally enjoy higher profit margins due to factors such as product design, manufacturing processes, and downstream...
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