April 13, 2021 in Travels
We all know that the production requirements of the mold are still very high, and the production requirements of the plastic dustbin mould are equally high.
To make trash can molds, you need to choose HDPE (low-pressure high-density polyethylene) with high impact strength; all plastic trash cans we see are colored, especially after the implementation of garbage classification, different colored trash cans represent different Sorting garbage ensures that the color of the product is uniform and the gloss is good; the price of the new mold is relatively high. Generally, each part of the plastic trash can needs to be mold, such as the barrel body, the lid, and the handle. The injection molding process is to Molten plastic is injected into plastic product molds by pressure, and cooled and molded to obtain various plastic trash cans. Printing is to add exquisite patterns or text to the plastic trash can. Note that there are two parts, one is a large piece of printed paper. Printing on plastic products, the other is small-area spray printing, which is done by hand; the finished parts are assembled and ready to leave the factory.
The production process of plastic box mold is similar, but there will be some slight differences.
April 6, 2021 in Travels
The pallet is a horizontal platform device used for consolidating, stacking, handling, and transporting goods and products as a unit load. It is generally made of wood, metal, fiberboard, and PP plastic, which is convenient for loading, unloading, handling, and storing unit materials and small quantities of materials. The industrial pallet is usually heavy, large in area, and its carrying capacity is many times larger than that of daily pallets, and it can carry several tons of goods. Today we are talking about Industrial tray molding .
Traditional forming simulation software is based on the central layer model of the product. The user first abstracts the product into approximate planes and curved surfaces. These surfaces are called the central layer. Generate two-dimensional planar triangular grids on these central layers, use these two-dimensional planar triangular grids to perform finite element calculations, and display the final analysis results on the midplane. The injection molding product models mostly use three-dimensional solid models. Due to the inconsistency of the two models, secondary modeling is inevitable.
Because the shapes of injection molded products are complex, diverse and ever-changing, it is difficult to extract the center layer from the three-dimensional entity. The extraction process is very cumbersome and time-consuming. Therefore, designers are afraid of simulation software. This has become a bottleneck in the promotion and application of forming simulation software.
March 30, 2021 in Travels
As mobile phones and computers are getting faster and faster, in addition to pursuing experience and quality upgrades, people also have more and more requirements for appearance and importance. With the development of thin wall plastic mold and other thin-walled parts, thin-wall injection molding technology is highly valued by people, which promotes product design, mold design, injection molding machine, and material selection, and thin-wall injection molding numerical simulation technology in thin-wall injection molding. Research and application development.
Technology The filling process and cooling process of conventional injection molding are intertwined. When the polymer melt flows, the melt front meets the relatively low-temperature core surface or cavity wall, and a layer of condensation is formed on the surface. The melt continues to flow forward in the condensation layer, and the thickness of the condensation layer has a significant effect on the flow of polymer. It is necessary to conduct a more in-depth and comprehensive study on the properties of the condensate layer in thin-wall injection molding. Therefore, the numerical simulation of thin-wall injection molding still needs to do a lot of other work.
In fact, the technology of plastic pipe fitting injection mould is relatively not very mature, and we still need to make certain improvements in many aspects. But with the continuous advancement of science and technology, I believe we will do better and better.
March 23, 2021 in Travels
Home appliances are indispensable in our lives. Many electrical appliances can bring us a lot of conveniences, such as mobile phones, computers, refrigerators, TVs, etc., can bring great convenience to our lives. Only a few, most electrical appliances need electrical appliance mould to complete.
A mold is not a part but is different from a tool. The mold is a set of molding equipment that integrates parts. Modern manufacturing not only requires molds with high precision and long life but also requires molds with ingenious structural design, well-studied molding mechanism, good use performance, and funny manufacturing performance, and other comprehensive functions.
On-site mold inspection technology The development of precision molds has increasingly higher requirements for measurement. The precision three-coordinate measuring machine has been restricted by the environment for a long time and is rarely used in the production site. The new generation of three-coordinate measuring machines have temperature compensation and adopt anti-vibration materials, improve dust-proof measures, improve environmental adaptability and use reliability so that they can be easily installed in the workshop to realize the characteristics of measuring on-site.
In addition to household appliance molds, plastic chair injection mould also require good performance.
March 9, 2021 in Travels
The pallet is a relatively common item in our daily life. It is also a very long night in industrial production. In mold making, Industrial tray molding technology is becoming more and more perfect.
There are four ways to mold pallets, one of which is injection molding, and this method requires an injection molding machine. The injection molding machine can be divided into a clamping device and an injection device. The mold clamping device is a direct pressure method that opens and closes the mold to perform the demolding operation and uses a hydraulic cylinder to directly open and close the mold. The injection device heats and melts the resin and then injects it into the mold. At this time, the screw is rotated, and the resin put into the hopper stays at the front end of the screw as shown in the figure, and it is stored after a stroke equivalent to the amount of resin required. Projected. When the resin flows in the mold, the moving speed of the screw is controlled and the pressure (holding pressure) is used to control after the resin is filled. When it reaches a certain screw position or certain injection pressure, it switches from speed control to pressure control.
Some simple introduction and understanding of the above injection molding machine. If you want to use the injection molding machine well and make a good mold, more experience is needed.
March 2, 2021 in Travels
For child building blocks mould , ours should not be too much. Most of the parents pay more attention to the finished product, but they are not very concerned about the production process and the like. As far as the building blocks are concerned, the business methods are not always correct.
Many businesses will use the age of 3 as a watershed. After the age of 3, they will sell small blocks, but this should not be the case. Every child’s situation is different. When choosing the building blocks, we still have to choose according to the actual situation.Some children aged 5-6 or older, still have the phenomenon of putting toys in their mouths. Therefore, even children in the middle and large classes of kindergartens should not take it lightly. It is still very necessary to choose large-particle designs and pay attention to environmentally friendly materials.Some toy brands specifically designed for children aged 1-6 consciously make the particles bigger. On the one hand, it is conducive to the grasping and insertion of children’s fingers, and on the other hand, it is also anti-swallowing. The risk of a small toy being eaten in the mouth and blocking the trachea is not to be taken.
So choosing the one that suits your child is the most important thing. Don’t think it is good if you don’t recommend anything from the business.
February 23, 2021 in Travels
The competition in the home appliance market is becoming more and more fierce as life is getting better and better, and the speed of product upgrading is constantly accelerating, which also makes the technology of electrical appliance mould continue to improve. For the purchase of home appliances, we all have certain standards, let’s learn from them.
- Safety. The selected equipment must ensure the safe and reliable operation of circuits and electrical equipment to ensure personal safety. 2. Economical. On the premise of meeting safety requirements and user needs, use reasonable and economical solutions and electrical equipment as much as possible. 3. Understand the loaded nature, operating frequency, and other requirements and use the environment of the anchor control object. For example, according to the operating frequency and working system, the working mode of low-voltage electrical appliances can be selected. 4. Understand the normal working conditions of electrical appliances, such as ambient air temperature, relative humidity, etc., to correctly select the type, enclosure protection, and pollution prevention level of low-voltage electrical appliances. 5. Understand the main technical performance of electrical appliances, such as rated voltage and rated current.
For the purchase of household products such as plastic chair injection mould , it is more necessary to focus on quality rather than performance.
January 26, 2021 in Travels
There are many household appliances. Because of people’s needs, electrical appliances have changed a lot, so a new generation of electrical appliance mould has emerged to meet people’s needs.
In the new generation of mold software, manufacturability evaluation mainly includes evaluation of mold design and manufacturing costs, evaluation of mold assembly, evaluation of mold parts manufacturing processability, evaluation of mold structure and forming performance, etc. The new generation of software should also have assembly-oriented functions because the function of the mold can only be reflected through its assembly structure. After adopting the assembly-oriented design method, the mold assembly is no longer a simple assembly of parts one by one. Its data structure can not only describe the function of the mold, but also define the assembly characteristics of the relationship between the mold parts, and realize the association of the parts Can effectively ensure the quality of the mold.
In addition to electrical appliance mould, our household products have also been greatly improved, such as plastic chair injection mould , both in appearance and material have been greatly changed.
January 19, 2021 in Travels
Plastic trash bins are very popular in our lives. Today we will talk about the demolding of plastic dustbin mould .
The traditional molding methods of plastic molded parts are roughly divided into four types: pushing, pushing, pulling, and rotating. Now there is the latest demolding technology that can easily solve the problem of plastic demolding. In the plastic mold industry, there are many unsolvable problems especially when a variety of resin compounds are used for highly complex designs and high gloss finish processing.
Nano release coating can form a coating on the surface of the plastic mold, or even on the surface of the plug-in of the plastic mold, which can significantly reduce the friction coefficient of these surfaces, and a highly glossy processing surface can be achieved without using traditional mold release agents. The design and plastic compound used to make the machine/tool maintenance downtime longer, resulting in low production yield.
Like plastic dustbin mould, plastic box mold can also use this molding method.
January 12, 2021 in Travels
My country’s plastic mold industry has gone through a long time from its inception to now, and it has also made great development, and the mold level has also been greatly improved. There have been certain improvements in various large molds, small molds, and precision plastic molds. plastic box mold , as one of many molds, can be seen from time to time in our daily lives, so we are constantly improving in terms of technology and finished products. Today we talk about the prevention of mold deformation during heat treatment.
For some sophisticated molds, pre-heat treatment, aging heat treatment, and tempering and nitriding heat treatment can be used to control the accuracy of the mold. When the nitriding heat treatment plant repairs mold blisters, pores, wear, and other defects, use cold welders and other repair equipment with low thermal impact to avoid deformation during the repair process. The mold structure design should be reasonable, the thickness should not be too large, and the shape should be symmetrical. Experts said that for the larger deformed mold, the defamation law should be mastered, and the machining allowance should be reserved. For large, precise, and complex molds, a combined structure can be used.
Molds such as plastic box mold and plastic dustbin mould are constantly improving. The gap between my country’s mold industry and foreign countries will only get smaller and smaller, and the world mold industry will definitely have a place in China.