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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...
What processes can be used for cosmetic injection molding packaging?
When choosing cosmetics, consumers are often attracted by the product packaging. To enhance their market competitiveness, manufacturers focus on the surface finish of cosmetic packaging. Nowadays, the surface finishes for cosmetic packaging are incredibly diverse, including common finishes like gradient colors, bright gold, matte, silver plating, and textured surfaces. These processes enhance the color, appearance, and feel of cosmetic injection molding packaging, making it more textured...
Quality Requirements and Acceptance Rules for Injection Molded Plastic Cosmetic Bottle Manufacturers
Cosmetic packaging plastic bottles consist of two parts: the plastic bottle and the plastic cap. The plastic cap can be composed of an outer cap and an inner cap (gasket, stopper). Plastic bottles can be divided into cream bottles and caps, lip gloss bottles and caps, and lotion bottles (jars) and caps. To test whether the product meets the standards, the following tests are conducted: product size, weight, capacity, tightness, drop test, adhesion test, cap compatibility, and cap opening...
Plastic Injection Mold Manufacturing Process
The plastic injection mold manufacturing process generally includes: customer customization, mold design, mold manufacturing, mold inspection and trial molding, mold modification and repair, and mold maintenance. These will be explained in detail below. I. Customer Customization The production of plastic molds begins with the customer's engineers providing product drawings to the mold manufacturer. The manufacturer then collects, analyzes, and processes the product data based on the...
How to Deal with Color Variation in Injection Molded Products
Color variation is a common defect in injection molding, severely impacting the product's appearance and potentially even causing losses. There are many factors contributing to color variation, including the choice of plastic raw materials, masterbatch mixing, injection molding process, mold design, and operator control. Therefore, color variation control is generally considered one of the most challenging techniques to master in injection molding. Huiwen Plastic Mold Manufacturer will now...
Lip Gloss Tube Injection Mold Processing
There are many public molds for cosmetic packaging on the market today, but creating unique and innovative products requires customized molds. This allows you to design the desired product and secure a strong market. Let's take a look at the specific process for lip gloss tube injection mold processing. Injection molding is a common method for manufacturing industrial products. This process involves processing rubber and plastic to achieve the desired shape. There are several types of...
Where can I find manufacturers of thermosetting plastic products?
Injection molding is a process used in mass production, primarily in the industrial sector. The injection molding process involves injecting molten material into a mold cavity under high pressure, where it cools and solidifies to produce a molded product. Based on molding characteristics, molds can be categorized as thermosetting plastic molds and thermoplastic molds. So, where can I find manufacturers of thermosetting plastics? Thermosetting plastics are typically sold as a liquid...
Application of PETG in Cosmetic Plastic Packaging Injection Molding Factories
Application of PETG in Cosmetic Plastic Packaging Injection Molding Factories The most commonly used materials in cosmetic injection molding factories are PETG, AS, and ABS. The HUIWEN Plastics editor will focus on the application of PETG in cosmetic injection molding factories. 1. What is PETG and Its Characteristics PETG is a transparent plastic and an amorphous copolyester. Its common comonomer is 1,4-cyclohexanedimethanol (CHDM). It is a polycondensation product of terephthalic acid...
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