220V Mini Injection Molding Machine

The mini injection molding machine stands as the most compact injection molding equipment available on the market, specifically engineered for the production of small plastic parts. It effectively addresses the inherent drawbacks of large-scale injection molding machines, which often suffer from excessive footprint, prohibitive costs, high energy consumption, and expensive matching molds. Designed with portability in mind, this desktop plastic injection molding machine features a small size and lightweight construction-its compact form allows it to be easily placed on a desktop, and it can even be used in home settings with a simple power connection. Compared to bulky large-scale counterparts, this mini machine boasts user-friendly operation, reliable performance, and an affordable price point, making it accessible to a wider range of users.


Product Specifications
 

 

●Intelligent Control System: Equipped with an LCD touch screen, the machine offers a humanized operation interface. It enables real-time monitoring of the running status, allowing for timely adjustments and significantly improving work efficiency.
 

●Precise Multi-Stage Constant Temperature Control: The advanced temperature control system ensures more accurate temperature regulation during the molding process. This stability in temperature not only enhances product quality but also keeps the machine running smoothly.

 

●Reliable Elbow Locking Design: Adopting a self-locking toggle clamping structure, this machine delivers more precise clamping force compared to screw clamping mechanisms used in other small injection molding machines. It ensures tight mold closure, reducing the risk of material leakage.

●Efficient Dual Servo Energy-Saving Motors: Driven by dual servo motors, the machine combines high power output with excellent performance. Additionally, the servo motor technology minimizes energy consumption while extending the machine's service life.

●Broad Application Scope: With customizable molds, the machine can produce a wide variety of injection molding products. It can adapt to different material types and product designs, meeting diverse production needs.

Small Factories/Workshops: For small-batch production of plastic parts, toys, and daily necessities, it eliminates the need for large-scale equipment investment, lowering the threshold for entrepreneurship and production.
Universities/Vocational Colleges: Used as teaching equipment for injection molding processes, it allows students to intuitively understand the principle of injection molding and practice equipment operation and parameter debugging.
Laboratories/R&D Institutions: For testing the molding effect of different plastic materials, developing product prototypes, and quickly verifying design schemes.
Medical/Auto Supporting Industries: For producing small medical auxiliary parts and miniature automotive plastic components, meeting the precision and small-batch customization requirements.

 

 

work principle

 

 

 

Raw Material Melting and Plasticization

A 220V power supply drives the heating system (0-400°C) to heat the barrel, while the screw rotates to push the raw material. The high temperature and shear force melt the raw material into a uniform melt, preparing it for injection molding.

 

 

Toggle Lever Clamping

After the clamping process is initiated, the toggle lever mechanism amplifies the force using the lever principle, applying a 12T clamping force to close the mold, preventing material leakage during injection and ensuring part accuracy.

 

 

High-Pressure Injection Filling

A servo motor drives the injection molding system to generate high pressure, injecting the molten raw material into the mold cavity at high speed. Precisely controlling pressure and speed ensures that the melt fills the cavity details.

 

 

Cooling, Forming, and Demolding

The melt cools and solidifies within the mold. The machine then opens the mold with an 85mm stroke to remove the finalized part, completing one injection cycle and allowing for the next production run to begin quickly.

 

 

 

FAQ

 

 

1. What is the maximum part weight that the machine can process? What types of plastic products is it suitable for?

The maximum part weight per mold is approximately 30g. It is suitable for producing small plastic parts such as toy accessories, medical auxiliary parts , automotive micro clips, and small components for everyday items. It can also be used for laboratory sample production or university demonstrations.
 

2. Does it require professional injection molding experience to operate? How long does it take for a novice to become proficient?

No professional experience is required. The machine is equipped with an LCD touch screen and a PLC human-machine interface. Parameter settings  are intuitive and easy to understand, and the operating status can be monitored in real time. New users can master the machine startup, material changes, and simple demolding operations within 1-2 hours, following the manual or a 10-15 minute basic training. Once proficient, they can independently complete the entire injection molding process.
 

3. Besides common PP and PE plastics, can it process other specialized materials, such as PLA or PA (nylon)?

Yes. The machine is compatible with a variety of engineering plastics and general-purpose plastics, including PLA (biodegradable plastic), PA (nylon), and ABS. Simply adjust the barrel temperature (adjustable from 0-400°C) based on the material's characteristics. No special pretreatment of the material is required before processing; granular raw materials can be directly poured into the feed port and used.
 

4. Does the machine's clamping method significantly affect molding quality? Does it offer advantages over other smaller machines?

It does, and the machine has significant advantages in clamping. Its toggle-lever clamping mechanism can exert a stable clamping force of 12T. Compared to screw-clamping mechanisms used on similar machines, this provides more uniform pressure distribution, preventing material leakage and mold shifting during injection, ensuring flash-free, dimensionally accurate parts. It is particularly suitable for the production of micro-precision parts.

 

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