What details should be paid attention to in plastic moldmolding Plastic mold is a tool for producing plastic products, and it is also a tool for giving plastic products complete structure and accurate size. Plastic molding is a processing method used in batch production of some parts with complex shapes. In order to meet the needs of molded parts, we need to pay attention to some matters when selecting plastic molds. Now let's talk about the details that need to be paid attention to when molding the plastic mold?
Good abrasion resistance The glossiness and precision of the surface of plastic plastic parts are directly related to the abrasion resistance of the surface of the plastic mold cavity. Especially when glass fiber, inorganic filler and some pigments are added to some plastics, they flow together with the plastic melt at high speed in the flow channel and cavity, causing great friction on the cavity surface. If the materials are not abrasion resistant, they will soon wear, causing damage to the quality of the plastic parts.
High corrosion resistance Many resins and additives have corrosion effects on the surface of the mold cavity. This corrosion causes the metal on the surface of the mold cavity to dissolve, peel off, deteriorate the surface condition, and deteriorate the quality of the plastic parts. Therefore, it is better to use corrosion-resistant steel, or chrome plating, cymbal nickel treatment on the cavity surface.
Good dimensional stability When plastic molding, the temperature of the plastic mold cavity should be above 300 ℃. For this purpose, it is better to select tool steel (heat treated steel) with proper tempering treatment. Otherwise, the material microstructure will be changed, resulting in changes in the size of the plastic mold.
In order to improve the hardness and wear resistance, the plastic mold is generally subject to heat treatment, but this treatment should make its size change very small.
The die parts that are easy to process are mostly made of metal materials, and some structural shapes are very complex. In order to shorten the production cycle and improve efficiency, the die materials are required to be easy to process into the shape and precision required by the drawings.
Plastic plastic parts with good polishing performance usually require good luster and surface state, so the roughness of the cavity surface is required to be very small. In this way, the cavity surface must be processed, such as polishing, grinding, etc. Therefore, the selected steel should not contain rough impurities and pores. Plastic mold is an important process equipment for the production of various industrial products. With the rapid development of science and technology, Yangfan mold has introduced foreign high-tech equipment to meet the needs of customers with high quality and efficiency. Choose to sail, choose high quality.
Plastic molding is a popular manufacturing process used to produce a wide range of plastic products. It involves the use of a plastic mold to shape molten plastic into the desired form. The plastic is heated and melted, then injected into the mold where it cools and solidifies. Although plastic molding is a relatively straightforward process, it still requires careful attention to detail to ensure high-quality and consistent products. In this article, we will discuss some important details that should be paid attention to in plastic mold molding.
Temperature Control: One of the most important factors in plastic molding is temperature control. The temperature of the plastic and the mold must be carefully controlled to ensure that the plastic is melted and cooled at the correct rate. If the temperature is too high, the plastic may melt too quickly and cause defects. If the temperature is too low, the plastic may not melt enough and will not fill the mold properly.
Injection Pressure: Injection pressure is another important factor in plastic molding. The pressure must be carefully controlled to ensure that the plastic is injected into the mold at the correct rate and with the correct amount of force. If the pressure is too low, the plastic may not fill the mold completely. If the pressure is too high, it may cause the mold to warp or crack.
Mold Design: The design of the mold is crucial in plastic molding. The mold must be designed to allow for easy release of the finished product and to ensure that the plastic fills the mold completely and evenly. The mold should also be designed to avoid any potential defects, such as warping, cracking, or uneven surfaces.
Plastic Material: The type of plastic material used in the molding process is also important. Different plastics have different properties, and the choice of material will affect the final product's strength, flexibility, and appearance. It is important to select the right plastic material for the specific product and application.
Cooling Time: The cooling time of the plastic is an important detail that must be carefully controlled in plastic molding. The plastic must be allowed to cool and solidify in the mold for a sufficient amount of time to ensure that it is strong enough to be released from the mold without damage. Cooling time will vary depending on the size and complexity of the product being produced.
Post-Processing: After the plastic is molded, there are often additional post-processing steps that must be taken to finish the product. This may include trimming excess plastic, sanding, or polishing the surface, or adding additional features, such as screws or other components.
Quality Control: Finally, quality control is an essential aspect of plastic molding. All products should be inspected for defects, such as cracks, warping, or uneven surfaces, before being shipped to customers. Regular maintenance and cleaning of the molds are also crucial to ensure consistent product quality.
In conclusion, paying attention to these details can help ensure high-quality, consistent products in plastic mold molding. Temperature control, injection pressure, mold design, plastic material, cooling time, post-processing, and quality control are all important factors that should be carefully considered and controlled in the manufacturing process. By doing so, manufacturers can produce high-quality plastic products that meet or exceed customer expectations.
Stamping parts on automobile body are generally divided into covering parts, beam frame parts and general stamping parts. The stamping part that can clearly represent the image characteristics of the automobile is the automobile panel. Therefore, the automobile die referred to by GATT can be said to be "automobile panel stamping die". It is called … Processing technology and characteristics…
Classification of automobile tire molds: Processing technology of automobile tire mould (taking mould as an example): Mold Classification and Processing Technology of Vulcanized Automobile Tire Vulcanized automobile tires are essential components of modern vehicles. They are made using a complex manufacturing process that involves several stages, including mold classification and processing technology. In this article, … Mold classification and processing…
What conditions should the cooling water design of plastic mold meet? 1、 The edge distance between water conveyance and product material level shall not be less than 10MM generally, and shall be designed between 10MM and 12MM as far as possible; Alloy die is generally 25MM; 2、 The design of water transport margin and insert … What conditions should the…
It is very important to develop mold standard parts and implement specialized production of molds In recent years, the plastic mold industry has developed rapidly in China, which is followed by increasingly fierce market competition. After joining the WTO, foreign mold manufacturers enter the domestic market. To stand out in the fierce competition, it is … develop mold standard parts…
Plastic mold manufacturers focus on developing molds with high technology content In recent years, although the growth rate of mould export is greater than that of import, the absolute amount of increase is still that of import is greater than that of export, which leads to the increase of mould foreign trade deficit year by … Plastic mold manufacturers focus…
The four elements of mould include quality, delivery period, price and service In the four elements of mould quality, delivery cycle, price and service, more and more users put the delivery cycle first. It has become a trend to require mold companies to deliver products as soon as possible. Enterprises try their best to improve … The four elements of…
Rely on technical personnel to improve the design and processing level of mold enterprises With the improvement of the design and processing level of mold enterprises, mold manufacturing is mainly relying on technology instead of bench work in the past. This is not only the change of means of production, but also the change of … Rely on technical personnel…
Improper heat treatment process of mould is easy to cause failure of plastic mould The failure of plastic mould is mainly caused by improper heat treatment process of mould, such as improper selection of heat treatment process parameters such as heating temperature, holding time and cooling speed. During the processing of plastic mold, cracks or … Improper heat treatment process…
Causes of Shrinkage Marks at Thicker Positions of Plastic Mold Parts Shrinkage is more severe at thicker locations of plastic mold parts, such as rib or protrusion, than at adjacent locations, because the cooling rate of thicker areas is much slower than that of surrounding areas. Different cooling rates lead to the formation of concavity … Causes of Shrinkage Marks…
Which kind of mould factory is better for cooperation? Foreign capital or private At present, there are many foreign, Taiwan, Hong Kong and private mold factories to choose from in the Pearl River Delta and Yangtze River Delta regions of China. The advantages and disadvantages of mold factories with various qualifications are as follows. (1) … Which kind of mould…
How large is it better to cooperate with mold suppliers? Large scale, medium scale or small scale? The choice in this regard depends on the situation. If we only consider the scale of the factory, many people will think that the larger the scale is, the better, because the scale is large and the facilities … How large is it…
How to select mold manufacturers with complete supporting equipment It is suggested that you should pay attention to one basic common sense when purchasing, that is, you must choose a manufacturer with complete supporting equipment, that is, a mold factory with "five essentials", that is, you must have supporting precision CNC machining center, slow wire … How to select mold…
How can the company effectively reduce the cost of mold procurement? For cost control, first of all, it is necessary to understand the expected order quantity of new products from the personnel of the Marketing Department? Is it huge?In the development and review stage of new products, if the estimated order quantity does not reach … How can the company…
Pits to be avoided when purchasing personnel select appropriate mold suppliers (1) Never blindly believe in low purchase prices. There are always some traps hidden behind the low price, which are unknown to us. We can either pass the shoddy goods off as shoddy ones or cut corners. We should know that any mold factory … Pits to be avoided…
How to choose a reasonable plastic mold cooperation factory? Reasonable selection of cooperative manufacturers is often the first step to successMany customers are blind when they choose plastic mold manufacturers. Now many small factories on the Internet cheat customers after packaging. They often offer much lower prices than their peers to tempt customers to place … How to choose a…
The engineer designs the product considering the rationality of plastic mold making Product engineers need to consider the rationality of mold making when designing productsMany customers only pay attention to the design and R&D speed of products at the initial stage of new product development, ignoring the communication with plastic mold manufacturers, resulting in unnecessary … The engineer designs the…
The selection criteria for plastic mold manufacturers are quality, cycle, service and priceAlthough price is important, quality, cycle and service are indispensable When it comes to manufacturing plastic products, choosing the right plastic mold manufacturer is crucial. With so many options available, it can be challenging to determine which one to select. There are several … The selection criteria for…
One minute understanding of the eight steps of plastic injection molding Injection molding, also known as injection molding, is an injection molding method. The advantages of the injection molding method are fast production speed, high efficiency, automatic operation, a wide variety of patterns, shapes from simple to complex, and sizes from large to small. Moreover, … One minute understanding of…
How to Select Wear Resistant Die Steel for Precision Plastic Injection Molding Injection mold is a tool for producing plastic products; It is also a tool to endow plastic products with complete structure and precise size. Injection molding is a processing method used in batch production of some parts with complex shapes. In the process … How to Select Wear…
What are the common engineering plastics for automobile parts molds? With the development of automobile lightweight and the increase of automobile production, the amount of plastic used in automobiles is increasing. In recent years, the market demand for energy conservation and consumption reduction has been exerting pressure on the lightweight design of automobiles. In order … What are the common…