Do You Need A China Injection Molding Machine?

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As an important plastic product manufacturing machine, the injection molding machine has always occupied about 45% of the total output value of China's plastic machinery. It is also the main country where SMEs choose to buy injection molding machines. So do you need to go to China to purchase injection molding machines to increase your own sales profit?

Next, this article will introduce you a few points in detail:

1. What are the benefits of choosing a Chinese brand injection molding machine?

2. What are the top ten brands of injection molding machines in China?

3. Recommendations for choosing Chinese injection molding machines.

Introduction of the Injection Molding Machine

Injection molding machine (also called molding machine) is a machine specially used to produce various plastic products. It consists of two main parts, an injection device, and a clamping unit. The mold of the injection molding machine can be fixed in a horizontal or vertical position. Most people's machines are horizontal, and vertical machines are used for some special applications.

Main types

&#; Electric

&#; Hydraulic

&#; Hybrid

Application

It is widely used in various fields such as national defense, electromechanical, automobile, transportation, building materials, packaging, agriculture, health and people's daily life.

What Are the Benefits of Choosing a Chinese Injection Molding Machine?

Compared with other countries, the main advantages of injection molding machines produced in China are the following:

1. Price advantage

With the improvement of the technological level of technology, Chinese injection molding machine companies are struggling to catch up. With the advantage of price, enterprises have occupied the small and medium-sized injection molding machine market. Since China is a country with a large population, there are many technicians, and the cost of workers is low, which can better reduce the production cost of the machine. Users who buy injection molding machines from China have said this: I did not expect that China's injection molding opportunities are so cheap, which can allow me to reduce costs and better occupy the local market share, thereby expanding profitability. This is also the main factor for many countries to place orders in China.

2. Production capacity

China is the world's largest manufacturing country, and its production capacity feels beyond your imagination. When you choose to cooperate with Chinese manufacturers, you don't need to worry about their production capacity and efficiency. They can fully produce the number of products you need at a specified time.

3. Fast delivery

China's supply chain is complete, and China has accumulated a lot of delivery experience in selling products to the world. We have many ways to reduce your delivery time and deliver it to you safely. This allows customers to reduce inventory and reduce expenses.

Top Ten Chinese Injection Molding Machine Brands

There are many injection molding machine brands in China, and we list ten of them. (The following rankings are in no particular order)

&#; Haitian Plastic Machinery Group Co., Ltd.

&#; Zhen Xiong Machinery (Shenzhen) Co., Ltd.

&#; Guang dong Yi Izumi Precision Machinery Co., Ltd.

&#; Lijin Technology Group Co., Ltd.

&#; Shuangsheng Injection Molding Machine Co., Ltd.

&#; China National Chemical Equipment Co., Ltd.

&#; Husky Injection Molding System (Shanghai) Co., Ltd.

&#; Engel Machinery (Shanghai) Co., Ltd.

&#; Borch Intelligent Equipment Co., Ltd.

For more information, please visit china vertical molding.

&#; Donghua Machinery Co., Ltd.

For more information, please click to visit "China's Top Ten Brand Injection Molding Machine"

Recommendations for Choosing a Chinese Injection Molding Machine

We have listed some suggestions on how to choose an injection molding machine in China. I hope this suggestion will be useful to you.

1. Choose the right model

According to their own products and raw materials to formulate the machine model, specifications and size, select the type.

2. Injection volume

Determine the required "injection amount" from the product weight and the number of mold cavities and select the appropriate "screw diameter". The number of mold cavities needs to be considered in calculating the weight of the finished product. For example, the weight of a single product is 10g, and the weight of the finished product is 20g. For stability, the injection quantity is generally required to be more than 1.35 times the weight of the finished product. Within 75% of the shot.

3. Lock tightly

Tonnage of "clamping force" is determined by the product and plastic. When the raw material is injected into the cavity with high pressure, it will produce a force to support the mold, so the mold clamping unit of the injection molding machine must provide sufficient "clamping force" so that the mold will not be expanded.

4. The mold size is appropriate

Determine whether the "large column inner distance", "mold thickness", and "mold minimum size" of the machine are appropriate from the mold size to ensure that the mold can be placed.

5. The product can be taken out smoothly

Determine whether the "mold opening stroke" and "pallet stroke" are sufficient for the finished product to be obtained from the mold and the finished product.

How to Find Chinese Manufacturers

If you want to find an injection molding machine manufacturer to produce the machinery you need, which may wish to take a look at the molding machine of SS Machinery. We are a company specializing in the production and manufacture of small and medium-sized injection molding machines. We have established distribution points in more than 40 countries and regions around the world. We are confident that we can provide an injection molding machine that meets your needs. If you want to expand your business profits by purchasing injection molding machines, then contact us now. We will provide you with the best solution and pricing based on your conditions.

Want to know about our plastic molding machine please click here

World War II is a dark period in history. But did you know that the great conflict that split the world into two opposing sides was also a time of opportunity, development, and progress for an emerging plastic industry? With aluminum, copper, steel, and other metals becoming precious commodity allocated solely for military use, plastics came into their own as a manufacturing material. At the same time, the fast-growing aviation and automotive industries fed the demand for inexpensive, mass-produced plastic parts and products.    

Today, plastic is an essential part of our daily lives. The plastic items you come across just about anywhere are in all likelihood the product of a versatile manufacturing technique called plastic injection molding. Read on to know what the process is all about, its origin and the current state of the industry.

What is plastic injection molding?

Similar to die casting, plastic injection molding is the process of injecting molten plastic at high pressure into a custom-made metal mold. When the plastic cools and solidifies, the mold is opened, and the plastic parts is ejected. This manuacturing process is a fast and inexpensive way of mass-producing common-use plastic products.

What raw materials are used?

Thermoplastics and thermoset plastics are the two types of plastic raw material used.

Thermoplastics: Thermoplastics melt when heated and harden when cooled. They can be reheated, reshaped and, therefore, remolded multiple times. Thermoplastics are recyclable. Any waste during the manufacturing process can be reused. This makes them cost-effective. Additionally, they are flexible, have a superior finish and high impact resistance (which means they are not too hard and rigid). On the flip side, thermoplastics have a lower resistance to heat and can be more expensive than thermosets.

Popular thermoplastics and their applications: Acrylonitrile butadiene styrene or ABS (computer keyboard caps), polypropylene (car fenders), polyethylene (cable insulators, skincare product containers), polyvinyl chloride or PVC (raincoats), polystyrene (food packaging) and polycarbonate ( cases).

Thermoset plastics: Thermoset plastics harden irreversibly when heated. Compared to thermoplastics, thermosets generally have higher heat and chemical resistance, mechanical strength, and dimensional stability. However, they cannot be recycled or recast, have lower impact resistance (are more brittle) and are harder to work with, particularly during the surface finish stage.

Popular thermosets and their applications: Fiberglass (bathtubs), silicone (gaskets and seals), bakelite (buttons) and melamine (tableware).

Applications

You&#;ll find products and components just about anywhere. Apart from the applications mentioned above, a few more examples of such common-use products are plastic grocery bags, drinking bottles, food containers, toilet seats, remote control and game console casings, toys such as Lego and medical equipment such as syringes. With this manufacturing process, you can make large objects such as trash cans and car dashboards as well as much smaller ones such as bottle caps and automotive parts.       

The History

As we mentioned earlier, the Second World War was a turning point in the development of plastic parts manufacturing. But the story started long before that. Here is a short timeline:

: American inventor John Wesley Hyatt invents celluloid, the first synthetic plastic material, by mixing nitrocellulose, camphor and alcohol in a heated mold.

: Hyatt and his brother Isaiah patent the first plastic injection molding machine &#; a simple device with a plunger that injects plastic through a heated cylinder into a mold. The fledgling plastic industry, which then produced simple items such as combs and buttons, receives a big boost from this invention.

s: A period of growth and innovation for the plastic industry, marked by the invention of thermoplastics such as polyolefins, polystyrene, and polyvinyl chloride.

s: The industry expands rapidly with World War II feeding a growing demand for inexpensive, mass-produced goods. Plastic fast becomes an affordable alternative to metals and rubber, which are in short supply due to supply disruptions caused by the great war.

: American inventor James Watson Hendry improves on the Hyatt brothers&#; invention by building a screw injection machine. This device replaces the plunger with an auger &#; a rotating screw-shaped device. The auger is placed in the cylinder and mixes the plastic material before injecting it into the mold. It gives the molder better control over the speed of the plastic injection. The result: better quality products. Screw injection machines are still widely used today.

s: Hendry develops gas-assisted injection molding, which makes it possible to produce long, hollow, and complex parts. The result is a lighter, stronger product with a better finish, made at a lower cost and with less material wasted. This period is also marked by plastic production overtaking steel production.

Made in China: The market today

Cut to the present and China is the global leader in plastics production. These figures say it all:

• In , China accounted for 31% of global plastics production. The North American Free Trade Agreement or NAFTA (a free trade zone comprising the United States, Canada and Mexico) was a distant second at 19%. The fact that Asia produces half of the world&#;s plastics is mainly due to China&#;s contribution in this area. 
• China is the world&#;s leading exporting nation and a major exporter of plastic and its products. In , it exported 14.23 million tons of plastic valued at $48.3 billion, up from nearly 9 million tons worth $31 billion in .

Why China

China&#;s dominance is rooted in its industrial strengths:

• You can find suppliers just about anywhere in China. The East and Central South regions especially have a large concentration of plastic factories. You&#;ll find suppliers who cater to both large-volume and small-volume orders.
• The sheer scale of China&#;s manufacturing capacity means it is capable of producing all types, sizes and quantities of custom-made plastic products.
• In line with China&#;s growing adoption of robot technology, many of its plastic manufacturing companies use advanced automated processes for high product consistency and production efficiency.    
• Being the world&#;s largest plastics producer, plastic raw material is easily available in China.
• It is also the world&#;s leading producer of injection molding machines.  
• China&#;s transport infrastructure &#; with its superhighways, high-speed rail networks and ports &#; is among the most modern and efficient in the world and geared towards facilitating exports. As it extends its infrastructure at home, it is also providing financial assistance to neighbors such as Myanmar and Pakistan to build ports and rail terminals to service its own export hubs.     
• All of this means that China&#;s supply chain integration is highly superior.

If you&#;re thinking of sourcing plastic parts from China, here&#;s why it&#;s a good idea:

• Prices in China are highly competitive. The overall efficiency of the manufacturing process keeps costs low and ensures that you don&#;t compromise on quality.
• China suppliers have both experience and expertise. You can expect an experienced supplier to not only manufacture your goods but offer engineering support to make it a better product.
• Sourcing from China means access to its vast resources and technologically advanced equipment.
• There&#;s no need to buy your own equipment. You also save on maintenance and repair costs and workers&#; salaries.

Advantages

• High-speed production. The cycle lasts between a few seconds to a few minutes, depending on the mold&#;s size and complexity.
• Mass production with consistent measurements. It shouldn&#;t be a problem to produce 200,000-odd parts before the equipment requires repairs or maintenance (though the material used has a say in this).
• Cost-efficient. As a raw material, plastic is cheaper than rubber or metals. Manufacturing and labor costs are also low, and more and more manufacturers are using automated processes that in turn further reduce manpower. Low waste rate &#; especially in the case of thermoplastics, which can be recycled and remolded &#; also helps keep manufacturing cost low.
• Design flexibility. Plastic injection molding is perfect for producing detail-heavy and intricately shaped parts.
• Good surface finish. Usually, very little post-production work is required, though special finishes such as a shiny look, leather-like finish or engravings are also possible.
• Wide choice of materials and colors. Also, more than one plastic can be used simultaneously. For example, a PVC/ABS blend is intended to have the best of both materials but with few disadvantages of either.

Disadvantages

• High initial tooling cost. Complex molds with multiple cavities can cost thousands of dollars to design and manufacture.
• High initial lead time due to product conception, design, tooling, and testing. The tooling stage can take between 15 days and three months.  
• Thermoset plastics cannot be recycled.
• Performance of recycled material is inferior compared to new material.
• Not cost-effective for very large moldings.
• Warpage (shape distortion during cooling) and shrinkage.

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