Small Injection Molding Machine

Small Injection Molding Machine

Small injection molding machine is most popular plastic molding machine in the world. Not only because it is cost-effective, but precise and can product lots of plastic products we can see every day. Small plastic injection molding machines is used for small-scale production but larger-scale production as well. Injection molding machines, also known as injection molders, consist of a material hopper, an injection ram or screw-type plunger, and a heating unit. The molds are clamped to the platen of the molding machine, where plastic is injected through the sprue orifice to create injection molds.
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Description

Company Profile

 

 

Wenzhou Jingfei Plastic Machinery is located in Wenzhou Ruian, One of mostly famous Mechanism city. Our company is a manufacture of thermoforming machine, Our company is a technology innovation firm, Including machine designing, spare parts manufacture, installment, commission, and mold designing etc
During the marketing and after service , We give the best advise of Our clients, help clients to built a good marketing , increase the competition on Our clients

 

Why Choose Us
 

Wide Range of Applications
Our products are used in many filed, such as PP,PS,PVC,PET, food container, lid, cups, plastic trays, plate, fruit boxes, egg tray boxes, seed nursery plate, display trays, cosmetic trays, pharmaceutical trays.

 

Wide Production Market
Our machine widely sale to USA, Greece, Serbia, Indonesia, Vietnam, Malaysia, Middle east, South America.

 

Quality Assurance
We have professional equipment to ensure products quality, such as Radial drilling machine, turning machine, CNC milling machine, grinder and polish. And we have one year warranty time. During these time, if all the mainly machine parts were broken, we will change the new parts for free.

 

After-Sales Service
We supply 24 hours on line after service. We also send the engineer to clients work shop for installment and commission the machine.

 

Best Thermoforming Machine

Best Thermoforming Machine

Servo motor control Plastic Thermoforming machine mainly use for produce disposal plastic products, the whole machine are controlled by servo motor. Including forming, cutting and stacking station.

product-1-1

Plastic Cover Making Machine

PET Fruit box thermoforming machine is not only produce PET Fruit box, also produce like egg trays, food boxes, plate, lid, plastic trays . machine have forming, punching, cutting and stacking, total 4 stations.

Egg Tray Box Thermoforming Machine

Egg Tray Box Thermoforming Machine

Egg tray box Thermoforming machine is not only produce egg tray box , also produce like fruit box , lunch boxes, party plate, lid, plastic trays . machine have forming, punching, cutting and stacking, total 4 stations.

Clamshell Automatic Thermoforming Machine

Clamshell Automatic Thermoforming Machine

Clamshell Automatic Thermoforming Machine could help the plastic company to save the human cost, solve the problem of complicate producing the plastic, make the final products more clean.

Thermoforming Packaging Machine

Thermoforming Packaging Machine

Lunch boxes Making Machine could forming PP lunch boxes automatically. PP lunch box could use in micron wave. Also could make like PP lid, trays, plate, egg boxes, clamshell etc.

Plastic Injection Machine

Plastic Injection Machine

PP-550 Disposable plastic Injection machines are different from the traditional injection machine, it use plastic sheet, forming, punching, cutting and stacking the products. compare with injection machine, this machine price are cheap, mold cost cheap, and speed is fast than injection machine.

Plastic Injection Machine

Thermal Vacuum Forming Machine

PP-550 Thermoforming Machine for PET is the most advanced technology, fully automatic forming, punching, cutting and stacking the PET sheet. also could use for PP, PS, PVC sheet

Plastic Injection Machine

PP Thermoforming Machine

PP-550 PP Sheet thermoforming machine is mostly advanced machine in China, use special driving system, work PP, PS/PVC/PET. Especially work for PP, it could forming well, cooling the mold in time.

Plastic Injection Machine

Lid Making Machine

PP-550 thermoforming machine for biological material is mostly advanced machine in China, use special driving system, it could work for BIO material, make the disposal plastic more environmental

 

What is Small Injection Molding Machine

 

 

Small injection molding machine is most popular plastic molding machine in the world. Not only because it is cost-effective, but precise and can product lots of plastic products we can see every day. Small plastic injection molding machines is used for small-scale production but larger-scale production as well. Injection molding machines, also known as injection molders, consist of a material hopper, an injection ram or screw-type plunger, and a heating unit. The molds are clamped to the platen of the molding machine, where plastic is injected through the sprue orifice to create injection molds.

 

 
Benefits of Small Injection Molding Machine
 
01/

Compact Size
Small injection molding machines are designed to occupy less space, making them ideal for businesses with limited floor space. Their compact size allows for easy integration into existing production lines or workshops.

02/

Cost Savings
Compared to larger machines, small injection molding machines have lower upfront costs. They require less material and energy consumption, resulting in reduced operating costs. Additionally, their compact design helps minimize maintenance expenses.

03/

Flexible Production
Small injection molding machines offer flexibility in terms of production volume and product variety. They can efficiently produce small quantities of different products, making them suitable for businesses that require frequent product changes or customization.

04/

Quick Setup and Changeover
Due to their smaller size and simpler design, small injection molding machines have shorter setup and changeover times. This allows for increased productivity and reduced downtime, ultimately improving overall efficiency.

05/

Precise and Consistent Results
Modern small injection molding machines are equipped with advanced control systems, ensuring precise control over the injection process. This results in consistent and high-quality products, meeting the stringent requirements of various industries.

06/

Reduced Material Waste
Small injection molding machines require less material for each production cycle compared to larger machines. This reduces material waste and contributes to a more sustainable manufacturing process, benefiting both the environment and the bottom line.

 

Application of Small Injection Molding Machine

 

Small injection molding machine, with their precision and efficiency, have found applications across a myriad of industries. Their ability to produce intricate parts with tight tolerances has made them indispensable in various sectors.

 

Medical Devices
From surgical instruments to implants, small injection molding machines play a crucial role in the medical industry.

 

Automotive Components
These machines are used to produce various automotive parts, ensuring precision and durability.

 

Consumer Electronics
Be it smartphone cases or earbud components, these machines cater to the ever-evolving consumer electronics industry.

 

Toys and Recreational Products
Toys, board game pieces, and other recreational products are often produced using these machines.


The versatility of small injection molding machine ensures that they are not limited to the above industries. As technology advances and the demand for precision components grows, these machines are poised to find even broader applications across various sectors.

 

The Rise of Small Injection Molding
 

Machines
In recent years, the manufacturing landscape has witnessed a transformative shift with the emergence of small injection molding machines. These compact and efficient machines have revolutionized the plastic production industry, offering
unparalleled flexibility, cost savings, and adaptability. This evolution is not merely a downsizing of traditional machinery but represents a holistic approach to design, functionality, and application.

 

Historical Context
The history of injection molding machine manufacturing dates back to the late 19th century. However, it wasn't until the mid-20th century that the industry saw the advent of compact machines. These were designed to cater to niche marketsand specific applications that required precision and efficiency over bulk production.

 

Modern-Day Relevance
Fast forward to today, and small injection molding machines have carved a niche for themselves. With the surge indemand for intricate plastic parts in various industries, these machines have become indispensable. Their ability to produce high-quality parts with minimal waste has made them a favorite among manufacturers.

 

Type of Small Injection Molding Machine
 
 

Hydraulic Injection Molding Machines
Hydraulic injection molding machines were the first type of injection molding machine to be developed and are still widely used today. They use hydraulic drives to clamp the mold together and inject the molten plastic into the mold cavity. Hydraulic injection molding machines are known for their high production output and large shot sizes. They are also relatively inexpensive compared to other types of injection molding machines. However, they are less energy efficient and require more maintenance than electric or hybrid machines.

 
 

Electric Injection Molding Machines
Electric injection molding machines are becoming increasingly popular due to their energy efficiency and accuracy. They use electric drives to power the injection unit and the mold clamp, which results in lower energy consumption and faster cycle times. Electric injection molding machines are also quieter and cleaner than hydraulic machines. However, they are typically more expensive than hydraulic machines and have a smaller shot size.

 
 

Hybrid Injection Molding Machines
Hybrid injection molding machines combine the best of both hydraulic and electric machines. They use electric drives for the injection unit and hydraulic drives for the mold clamp. Hybrid machines offer the energy efficiency and accuracy of electric machines, while still providing the high production output and large shot sizes of hydraulic machines. They are also quieter and cleaner than hydraulic machines. However, they are typically more expensive than both hydraulic and electric machines.

 

 

What is the working principle of a Small Injection Molding Machine

 

A small injection molding machine is a device that uses the injection molding process to inject molten plastic material into a mold to form the desired product. It uses a series of working steps and principles to achieve an efficient and precise injection molding process.


First, the small injection molding machine heats the plastic granules or granules to a molten state through a heating system. This is usually done by a heating cylinder or a heating plate, which is equipped with a heater and a temperature control system to ensure that the plastic material reaches the required melting temperature.

 

Next, the molten plastic material is transported from the heating system to the injection cylinder. The injection cylinder usually consists of a screw and a piston. The screw rotates to push the molten plastic material forward and compress it into the injection cylinder.

 

Once the molten plastic material enters the injection cylinder, it is pushed into the injection nozzle. The injection nozzle is connected to the air inlet of the mold, and the plastic material can enter the mold smoothly by controlling the switch of the valve.

 

The switch control of the injection nozzle is managed by the control system of the injection molding machine. The control system can accurately control the speed, pressure and time of the injection process according to the preset program and parameters to ensure that the plastic material forms the desired product shape in the mold.

 

Once the plastic material enters the mold, it will be cooled and solidified to form the final product. The mold usually consists of two halves, which have the desired product shape and details. After the injection molding process is over, the mold will open and the finished product will be taken out of the mold.

 

Small injection molding machines usually have a compact design and a highly automated control system, which gives them advantages in space and operational efficiency. It can realize the production of different products by changing the mold. At the same time, the control system of the injection molding machine can also monitor and adjust parameters such as temperature, pressure and speed during the injection molding process to ensure the stability and consistency of product quality.

 

Future Trends and Innovations of Small Injection Molding Machine

 

 

Small size plastic injection molding machines is so important for modern manufacturering industry. Most of the top developed countries are working hard for the industry 4.0 and hope to have better competitive in the worldwide market. The small plastic injection machines is promising, and with few common trends and innovations.

 

Integration of Advanced Automation
Small plastic molding machine are increasingly being integrated with advanced automation technologies, such as robotic systems and complex material handling systems. To achieve high efficant manufacturing and lower product cost with improving productivity, reducing labor costs, and enhancing process efficiency.

 

Digitalization and Connectivity
Small injection plastic molding machines are being designed with energy-saving features, such as servo motors, variable frequency drives, optimized heating and cooling systems, automatic material feeding system and center control systems.

 

Collaborative and Agile Manufacturing
Small size injection machines are pretty good for collaborative and agile manufacturing environments. Their compact size, quick setup, and changeover capabilities enable manufacturers to rapidly switch between different products or production runs. This agility is particularly beneficial for small-batch production, prototyping, and customized manufacturing, allowing manufacturers to respond quickly to market demands and achieve faster time-to-market.

 

 
What are the Unique Features and Advantages of Large Injection Molding Machines Compared With Small Injection Molding Machines
 

Large injection molding machines and small injection molding machines are two common types of injection molding equipment. They have some significant differences in scale, production capacity and application fields.

01/

Large injection molding machines have greater injection molding capacity and production capacity. Due to the particularity of its design and construction, large-scale injection molding machines can handle larger-sized and heavier injection molds and are able to produce larger-volume plastic products. This makes large injection molding machines play an important role in the production of large parts and complex-structured plastic products in industries such as automobiles, aerospace, and home appliances.

02/

Large-scale injection molding machines have higher production efficiency. Due to its larger injection molding capacity, large injection molding machines can inject more plastic materials at one time, thereby reducing production cycles and improving production efficiency. For products that require mass production, large-scale injection molding machines can meet production needs and improve production efficiency.

03/

Large-scale injection molding machines have higher stability and precision. Due to its relatively stable structure, large injection molding machines are less disturbed by vibration and deformation during the injection molding process and can maintain high stability. At the same time, large-scale injection molding machines are also more sophisticated in control system and mold design, which can achieve higher-precision injection molding and ensure that the size and quality of the product meet the requirements.

04/

Large-scale injection molding machines also have wider application fields. Due to their ability to handle larger size injection molds and produce large parts, large injection molding machines are widely used in industries such as automotive manufacturing, aerospace, and energy equipment. Due to its flexibility and portability, small injection molding machines are more suitable for small batch production and personalized customization.

 

Daily Maintenance and Care of Small Injection Molding Machines
Horizontal Type Blister Packing Machine
Automatic Plastic Thermoforming Machine
Plastic Bowl Making Machine
Vacuum Thermoforming Machine

Clean the machine every day: Clean the machine immediately after using the injection molding machine, including the mold, hopper, injection cylinder and other parts to avoid accumulation of residues inside the machine.


Change lubricating oil regularly: The lubricating oil of the injection molding machine should be changed regularly to prevent the lubricating oil from aging and solidifying, affecting the service life and production efficiency of the machine.


Change the filter regularly: The filter is an important component to prevent impurities from entering the injection molding machine. It should be replaced and cleaned regularly to ensure the stable operation of the injection molding machine.


Pay attention to the maintenance of the mechanical part: The mechanical part of the injection molding machine also needs regular inspection and maintenance, such as the motor and drive wheel of the injection molding machine.


Check the electrical equipment frequently: The electrical equipment of the injection molding machine also needs to be checked frequently to ensure the normal operation and safety of the equipment.


Pay attention to the ambient temperature of the injection molding machine: The ambient temperature of the injection molding machine will also affect the normal operation of the machine. Ensure that the ambient temperature is stable.


Check the pressure gauge and thermometer regularly: The pressure gauge and thermometer of the injection molding machine are important indicators in the injection molding process and should be checked and calibrated frequently.


Pay attention to the storage method: When the injection molding machine is out of use for a long time, pay attention to the storage method to avoid damaging the machine.

 

 

Our Factory

Our mainly products is PP-550 Automatic Thermoforming Machine. This machine is Our technical innovated according to the marketing request. This machine could automatically feeding the sheet,heating,forming, punching,cutting, stacking and waste reclaiming. Forming ,punching and cutting are work independent.Forming and cutting are control by separate servo motor,both top mold and bottom mold are movement during the work, it could make double gulge productes like egg trays.

 

FAQ
 

Q: What is a Small Injection Molding Machine?

A: A small injection molding machine is a compact version of the standard injection molding machine, designed for low-volume production or prototyping. It is ideal for small parts and can be easily operated in smaller spaces.

Q: How does a Small Injection Molding Machine work?

A: It works by melting plastic pellets, which are then injected under high pressure into a mold cavity. Once the plastic cools and hardens, the mold opens, and the part is ejected.

Q: What are the advantages of using a Small Injection Molding Machine?

A: Advantages include lower initial investment, reduced material waste, and the ability to quickly switch between molds for different parts. They are also more energy-efficient than larger machines.

Q: What types of materials can be used in a Small Injection Molding Machine?

A: Various thermoplastics can be used, including ABS, polystyrene, polypropylene, and nylon. The choice depends on the specific requirements of the part being molded.

Q: What maintenance is required for a Small Injection Molding Machine?

A: Regular maintenance includes cleaning the machine, checking for wear and tear on the components, lubricating moving parts, and ensuring the mold is clean and free of defects.

Q: How do you troubleshoot issues with a Small Injection Molding Machine?

A: Common issues can include warping, sink marks, or underfilled parts. Troubleshooting involves checking the temperature settings, injection speed, and mold condition. Adjustments may be necessary.

Q: What safety measures should be taken when operating a Small Injection Molding Machine?

A: Safety measures include wearing personal protective equipment, ensuring the machine is properly grounded, and following the manufacturer's instructions for operation and maintenance.

Q: What are the alternatives to injection molding machine?

A: Thermoforming can also offer less complex tooling and operations at lower costs. Thermoforming offers adaptable molding solutions for various industries. Other injection molding alternatives include compression molding, blow molding, 3D printing, rotational molding, CNC machining, and casting.

Q: How much does an injection molding machine cost per hour?

A: The machine hour rate is similar to the labour hour rate method and is used where the work is performed primarily on machines. If factory overhead is Rs 3, 00,000 and total machine hours are 1,500, the machine hour rate is Rs 200 per machine hour (Rs 3, 00,000 ÷ 1500 hours).

Q: How long do injection molding machines last?

A: Mid-Range Molds (Class 102 and 103): These are suitable for medium to high volume production, with life expectancies ranging from 100,000 to 500,000 cycles. Class 102 molds can typically withstand up to half a million cycles, while Class 103 molds are often limited to around 100,000 cycles.

Q: How to select an injection molding machine?

A: Larger molds necessitate larger machines. Shot Size: The amount of plastic material required for each shot of injection molding determines the machine size. Larger shots necessitate larger machines. Clamping Force: The clamping force required to hold a mold closed during injection molding determines its size.

Q: What is the hourly rate for plastic injection molding machine?

A: The machine hour rate is similar to the labour hour rate method and is used where the work is performed primarily on machines. If factory overhead is Rs 3, 00,000 and total machine hours are 1,500, the machine hour rate is Rs 200 per machine hour (Rs 3, 00,000 ÷ 1500 hours).

Q: What are the 3 main parts of an injection molding machine?

A: Hopper: This is where the raw plastic material is stored before it is fed into the machine. Barrel: The barrel is where the plastic material is melted using heat and pressure. Screw: The screw rotates and pushes the molten plastic forward in the barrel.

Q: What size are injection molding machines?

A: The machines can range in size from about 1 ton to more than 1000 tons. Pictured below is a 165 ton injection molding machine. The size of the machine required for a particular application depends on the size and complexity of the part, as well as the required production volume.

Q: Why are injection molding machines so expensive?

A: So why are injection moulds so expensive? The simple answer is that making a successful injection mould tool is a hugely complex undertaking that require a lot of thought, planning, expertise and labour. The higher the complexity, the more expensive the cost of your mould will be.

Q: What is the difference between plastic machining and injection molding?

A: Plastic injection molding is less expensive per part than plastic machining, but the upfront cost of the mold is steep: anywhere from a few thousand dollars to a few hundred thousand if it's very complex.As a result, it makes sense to machine plastic parts if you only need a few hundred or less.

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