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E-mail：yx@styuanxin.com

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Our company participated in the Shanghai International Adsale Plastics Exhibition

Our company participated in the Shanghai International Adsale Plastics Exhibition

Our company participated in the Shanghai International Adsale Plastics Exhibition, and Yuanxin Mould won unanimous praise from customers at home and abroad!

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2022

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04

How to Design a Blister Mould

How to Design a Blister Mould

Blister molds are what we often see and use, but many people think that the design of blister molds is very simple, but do you really know how to design blister molds? Let's take a look at the issues that need to be paid attention to when designing. . 1. Mould opening direction and parting line At the beginning of the design of each blister product, the mold opening direction and parting line must be determined first to ensure that the core-pulling slider mechanism is minimized and the impact of the parting line on the appearance is eliminated. 2. Demoulding slope 1. Appropriate demoulding angle can avoid product fluffing (drawing). The demoulding slope of the smooth surface should be greater than or equal to 0.5 degrees, the fine skin (sand surface) surface should be greater than 1 degree, and the rough skin surface should be greater than 1.5 degrees. 2. Appropriate demoulding slope can avoid damage to the top of the product, such as top white, top deformation, and top fracture. 3. When designing deep cavity products, the slope of the outer surface should be larger than the slope of the inner surface as much as possible to ensure that the mold core does not deviate during blistering, obtain a uniform product wall thickness, and ensure the material strength of the product opening. 3. Product wall thickness 1. Various plastics have a certain range of wall thickness, generally 0.5 to 4 mm. When the wall thickness exceeds 4mm, it will cause problems such as long cooling time and shrinkage, and should consider changing the product structure. 2. Uneven wall thickness will cause surface shrinkage. 3. Uneven wall thickness will cause pores and weld marks. 4. Reinforcing ribs 1. The rational application of reinforcing ribs can increase the rigidity of the product and reduce the deformation. 2. The thickness of the reinforcing rib must be ≤(0.5～0.7)T product wall thickness, otherwise it will cause surface shrinkage. 3. The unilateral slope of the reinforcing rib should be greater than 1.5° to avoid damage to the top. Blister molds are what we often see and use, but many people think that the design of blister molds is very simple, but do you really know how to design blister molds? Let's take a look at the issues that need to be paid attention to when designing. . 1. Mould opening direction and parting line At the beginning of the design of each blister product, the mold opening direction and parting line must be determined first to ensure that the core-pulling slider mechanism is minimized and the impact of the parting line on the appearance is eliminated. 2. Demoulding slope 1. Appropriate demoulding angle can avoid product fluffing (drawing). The demoulding slope of the smooth surface should be greater than or equal to 0.5 degrees, the fine skin (sand surface) surface should be greater than 1 degree, and the rough skin surface should be greater than 1.5 degrees. 2. Appropriate demoulding slope can avoid damage to the top of the product, such as top white, top deformation, and top fracture. 3. When designing deep cavity products, the slope of the outer surface should be larger than the slope of the inner surface as much as possible to ensure that the mold core does not deviate during blistering, obtain a uniform product wall thickness, and ensure the material strength of the product opening. 3. Product wall thickness 1. Various plastics have a certain range of wall thickness, generally 0.5 to 4 mm. When the wall thickness exceeds 4mm, it will cause problems such as long cooling time and shrinkage, and should consider changing the product structure. 2. Uneven wall thickness will cause surface shrinkage. 3. Uneven wall thickness will cause pores and weld marks. 4. Reinforcing ribs 1. The rational application of reinforcing ribs can increase the rigidity of the product and reduce the deformation. 2. The thickness of the reinforcing rib must be ≤(0.5～0.7)T product wall thickness, otherwise it will cause surface shrinkage. 3. The unilateral slope of the reinforcing rib should be greater than 1.5° to avoid damage to the top.

01

2022

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04

How to properly maintain rubber molds

How to properly maintain rubber molds

Everything has a certain lifespan. In order to prolong the service life, we must know the correct maintenance method. The following is the correct maintenance method for rubber molds. First, the mold wear curve of regular maintenance is present in each mold. Die maintenance is to achieve abnormal wear in the field, and the number of stamping processes during this time is easy to learn. When the processing quantity is satisfied, the mold maintenance is realized, and the maintenance plan is not only easy to learn the maintenance items, but also easy to control the maintenance time. Second, improved maintenance In order to prolong the life of the mold, stabilize the quality, and facilitate maintenance, some improved molds are specially maintained. Third, daily maintenance refers to normal rubber mold cleaning, inspection, and oil removal. This work is usually to confirm that the mold is in a normal state, and abnormalities can be detected early. Fourth, there will be some changes in the processing of rubber molds repaired in accident status, and the country cannot continue to use them. Such as burrs become larger, wrong size, such as scars, burning of mold parts. Because of similar abnormality, the content of mold repair and maintenance is called accident. This maintenance is usually used until the near limit, if the time of the rubber mold maintenance cost is more important, the life of the mold is short. Because this is a sudden maintenance, there must be a planned shutdown of equipment, and emergency repairs.

01

2022

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04

Two indicators of the development of my country's plastic mold industry

Two indicators of the development of my country's plastic mold industry

The development of mold standard parts is of great significance to shorten the mold design and manufacturing cycle, reduce mold production costs, and improve mold quality. If the professional production and commercial supply of mold standard parts can be realized, it will greatly promote the development of my country's mold industry. developing. The plastic mold industry has developed rapidly in my country in recent years, followed by increasingly fierce market competition. After joining the WTO, foreign mold manufacturers have entered the domestic market. They must stand out in the fierce competition, develop mold standard parts, implement mold Specialized production is essential. According to Luo Baihui, secretary general of the International Mold Association, the standardization degree of molds in foreign developed countries is 70% to 80%, while only about 30% in my country. If the mold standard parts can be widely used, the mold design and manufacturing cycle will be shortened by 25% to 40%, and the waste of man-hours caused by the user's modification of the mold parts can be reduced. The application of mold CAD/CAM technology to design molds has become more common. The promotion and use of mold standard parts can realize some resource sharing, which will greatly reduce the workload and working time of mold design. It is necessary to develop CAD/CAM technology and improve mold precision. Significance. Even if only one part is damaged, the previous mold will not be usable. Since it is not a standard part, it is difficult to have corresponding products on the market. It is time-consuming and laborious to go to the manufacturer to replace the parts. If standard parts are used, it can be easily repaired and replaced, which will greatly improve the service life of the mold. Now, domestic enterprises have realized the importance of mold standardization. At present, there are more than 100 manufacturers of mold standard parts with a certain production scale. The main products are plastic mold frames, side punch devices, push rod push tubes, etc. Larger products can be produced, which lays the foundation for the development of large-scale precision molds. Although the domestic mold industry has made great progress, there is still a big gap compared with foreign countries. Implementing the specialized production of molds is an important link to speed up the development of the industry. Many regions in my country have successively established regional mold cities, which have played a positive role in the development of the mold industry. For example, Yuyao Mould City in Ningbo, Zhejiang is the first mould city in China. There are hundreds of mould enterprises and it has promoted the development of mould industry in Yuyao and surrounding areas. Shenzhen, which has successfully implemented the specialized production of molds, has nearly 1,000 mold processing enterprises. Its mold enterprises have a strong awareness of establishing a quality assurance system, and their enthusiasm for applying for ISO9000 certification is high, and they all realize that specialized production is a passport to enter the international market. Wholly foreign-owned mold enterprises have an absolute advantage in Shenzhen, with national leading professional technical level, wide application of technology, complete mold varieties, high quality and short molding cycle. These companies can produce all kinds of molds except large-scale cover molds for automobiles, such as high-speed milling, gas-assisted injection molding, reverse engineering, hot runner technology, rapid prototyping technology, etc. Shenzhen's mold enterprises have not only achieved specialization in technology, but also in the production management of mold enterprises, more and more professional production methods with design as the leader and processing according to the process flow are adopted, which reduces the need for mold workers. Comprehensive requirements, emphasizing specialization. Despite this, the molds produced in Shenzhen can only be said to belong to the middle and upper level, and some key molds, such as the main frame molds of copiers, cameras and video cameras, still need to be imported. The implementation of standardization and specialization has promoted the development of my country's plastic mold processing industry, and will continue to provide necessary technical support for my country's plastic mold manufacturers to improve their technical level, enhance their competitiveness, and accelerate their integration into the international market.

01

2022

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04

The status quo of the development scale of my country's hardware molds

The status quo of the development scale of my country's hardware molds

At present, there are more than 6,000 mold companies in the surrounding areas of Shenzhen and the Pearl River Delta, with more than 100,000 employees. The South China International Mould Exhibition has been held in Shenzhen for five consecutive sessions, attracting more than 1,000 enterprises from 25 countries and regions. It is the most professional and international mould industry exhibition in China today. From the perspective of production, the Pearl River Delta and the Yangtze River Delta still maintain a good momentum of development. The development of the northeast and central and western regions is still relatively slow. The mold production in mold city, mold cluster production base and some development zones and high-tech zones is relatively good. Specific to each enterprise, there are certain characteristics and expertise, and the orders of large-scale, precision, complex and other high-tech mold enterprises are generally sufficient, and some have shown insufficient capacity. And the general level or even relatively backward enterprises, less orders, insufficient tasks. It is understood that most of the current orders are second-hand, and the work mainly depends on physical strength. There are too few self-owned brands and high value-added products. Due to the low added value of products, the average annual output value of molds created by each employee in China is about 10,000 US dollars, while most of the developed countries in the mold industry are 150,000 to 200,000 US dollars, and some even reach 250,000 to 300,000 US dollars.

01

2022

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04

Five Obstacles Facing my country's Foundry Mould Industry

Five Obstacles Facing my country's Foundry Mould Industry

The development of mold standard parts is of great significance to shorten the mold design and manufacturing cycle, reduce mold production costs, and improve mold quality. If the professional production and commercial supply of mold standard parts can be realized, it will greatly promote the development of my country's mold industry. develop. The plastic mold industry has developed rapidly in my country in recent years, followed by increasingly fierce market competition. After joining the WTO, foreign mold manufacturers have entered the domestic market. They must stand out in the fierce competition, develop mold standard parts, implement mold Specialized production is essential. According to Luo Baihui, secretary general of the International Mold Association, the standardization degree of molds in foreign developed countries is 70% to 80%, while my country is only about 30%. If the mold standard parts can be widely used, the mold design and manufacturing cycle will be shortened by 25% to 40%, and the waste of man-hours caused by the user's modification of the mold parts can be reduced. The application of mold CAD/CAM technology to design molds has become more common. The promotion and use of mold standard parts can realize some resource sharing, which will greatly reduce the workload and working time of mold design. It is necessary to develop CAD/CAM technology and improve mold precision. important meaning. In the past, even if only one part was damaged, the mold would not be usable. Since it is not a standard part, it is difficult to have corresponding products on the market. It is time-consuming and laborious to go to the manufacturer to replace the parts. If standard parts are used, it can be easily repaired and replaced, which will greatly improve the service life of the mold. Now, domestic enterprises have realized the importance of mold standardization. At present, there are more than 100 manufacturers of mold standard parts with a certain production scale. The main products are plastic mold frames, side punch devices, push rod push tubes, etc. Larger products can be produced, which lays the foundation for the development of large-scale precision molds. Although the domestic mold industry has made great progress, there is still a big gap compared with foreign countries. Implementing the specialized production of molds is an important link to speed up the development of the industry. Many regions in my country have successively established regional mold cities, which have played a positive role in the development of the mold industry. For example, Yuyao Mould City in Ningbo, Zhejiang is the first mould city in China. There are hundreds of mould enterprises and it has promoted the development of mould industry in Yuyao and surrounding areas. Shenzhen, which has successfully implemented the specialized production of molds, has nearly a thousand mold processing enterprises. Its mold enterprises have a strong awareness of establishing a quality assurance system, and their enthusiasm for applying for ISO9000 certification is high, and they all realize that specialized production is a passport to enter the international market. Wholly foreign-owned mold enterprises have an absolute advantage in Shenzhen, with national leading professional technical level, wide application of technology, complete mold varieties, high quality and short molding cycle. These companies can produce all kinds of molds except large-scale cover molds for automobiles, such as high-speed milling, gas-assisted injection molding, reverse engineering, hot runner technology, rapid prototyping technology, etc. Shenzhen's mold enterprises have not only achieved specialization in technology, but also in the production management of mold enterprises, more and more professional production methods with design as the leader and processing according to the process flow are adopted, which reduces the need for mold workers. Comprehensive requirements, emphasizing specialization. Despite this, the molds produced in Shenzhen can only be said to belong to the middle and upper level, and some key molds, such as the main frame molds of copiers, cameras and video cameras, still need to be imported. The implementation of standardization and specialization has promoted the development of my country's plastic mold processing industry, and will continue to provide necessary technical support for my country's plastic mold manufacturers to improve their technical level, enhance their competitiveness, and accelerate their integration into the international market.

01

2022

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04

(Transportation packaging) What are the forming molds for blister products?

(Transportation packaging) What are the forming molds for blister products?

plaster mold Mainly use yellow blister handboard gypsum powder; if drawings are provided, the gypsum material will be milled and the mold will be made by hand according to the drawing data and requirements; Vacuum form it into a vacuum cover, and then resurface the plaster mold, and modify the mold to complete; it takes about 2-4 days. The gypsum mold is easy to make and takes a short time, which is beneficial to the modification of product packaging. The price is low, but the durability is low. After a period of use, it is more easily damaged, and the transparency of the produced product is poor; it is mainly suitable for the confirmation of the first board And products that do not require high packaging transparency. plastic mold Usually, according to the product design requirements, after making a plaster mold, a vacuum cover is produced with a plaster mold, and a special high-temperature resistant resin material is used to inject it into the vacuum cover. After the mold is dry, drilling and grinding are completed; it takes about 3 -5 days. The price of resin molds is higher than that of copper molds and plaster molds, but the degree of use is comparable to that of copper molds, and it is more durable. It can solve some technical problems that copper molds and gypsum molds cannot handle. Good effect; mainly suitable for blister products with special requirements such as blister electronics, toys, medicine, food, automotive products, etc. bakelite mold Imported heating materials, Nissan high-temperature adhesive tape and high-quality copper nails are used to make various bakelite molds, which have the characteristics of uniform heating and good sealing effect. Heat-sealed packaging for paper cards and blister packs Electrolytic copper mold According to the product design requirements, after making the plaster mold, use the plaster mold to produce a vacuum cover, put the vacuum cover in the electrolytic cylinder, when the surface reaches 5-8MM thick, inject the mold into the plaster, inject the vacuum holes, and polish the surface of the mold Smooth and ready to use; takes about 3-5 days. It belongs to the metal mold category, so it is more durable. The appearance and transparency of the products produced by this type of mold are better; the mold production price is low, and the use is relatively wide, and it is the first choice mold in general; mainly suitable for electronics, toys, stationery, cosmetics , automotive boutique...etc. Alloy aluminum mold According to the provided blister drawing or template, input the data into the computer, and the computer lathe will automatically complete it, and then manually complete other parts such as holes and undercut positions, and polish the mold smoothly before use; it will take about 5-7 days. ; Made by computer automatic lathe, made of aluminum materials such as ZL401, 6061 and 7075. This kind of mold has high precision, and the product outline and angle produced are relatively beautiful, and the durability is very high. The price is also the first of the four types of molds. Products with higher size requirements; in fact, alloy aluminum molds are the first choice for high-volume and high-demand blister production. Compared with plaster molds, copper molds, and plastic molds, they are more durable, save time and electricity, and have high production efficiency and waste products. The advantage of very low rate heat sealing mold The heat sealing mold is made of high-quality copper or alloy aluminum, which is mainly aimed at the difficulty of PET high-frequency heat sealing; the surface treatment is made of Teflon, which is suitable for PET sticking mold; the edge pressing pattern is computer-engraved, with clear lines and uniform size, which can be customized according to user requirements. Customize all kinds of patterns High frequency mold The high-frequency mold material is high-quality crimping, the cutter is a laser knife, and the trimming is smooth without any burrs while tearing the material; the crimping pattern is engraved by computer, with clear lines and uniform size, and various patterns can be customized according to user requirements; It can be made according to the actual samples or drawings provided by customers; it is mainly used for welding of double blister (PVC or PETG) Knife die, punching die Mainly used for punching and punching (round holes, plane holes and butterfly holes)

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2022

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04

Is it true that the higher the cost of plastic materials, the higher the processing technology and the better the production cost?

Is it true that the higher the cost of plastic materials, the higher the processing technology and the better the production cost?

Here I will briefly talk about it. The requirements of the production process are not entirely determined by the material, but also the requirements of the product structure and the quality of the finished product. The production cost of high material price must be high, but it does not mean that the production time is longer or the production labor cost is high, but the material cost is high.

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E-mail：yx@styuanxin.com

Fax：0754-88696378

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