Molding Machine for Sale | High-Efficiency Plastic Injection Machines

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Jiangmen Zhenli Machinery: Molding Machines for Sale – Die Casting & Injection Molding Solutions

Jiangmen Zhenli Machinery Co., Ltd. provides a wide range of molding machines for sale, including hot/cold chamber die casting machines (ZL/ZLC series), plastic injection molding machines (ZLMC series), low pressure die casting machines, and peripheral equipment. Available in various tonnages (12T-4500T), the machines meet ISO, CE, and patent standards, featuring high-strength die clamping, stable injection, and intelligent control systems. The company offers one-stop services from technical consulting to assembling & commissioning, supports customization, and ensures global delivery to 50+ countries. With a 20,000 ㎡ factory and over 20 CNC precision machines, Zhenli delivers cost-competitive, high-quality molding machines for automotive, electrical, industrial, and consumer goods industries.
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Advantages of the product

Environmental Friendly Design to Meet Emission Standards

The machines adopt a closed barrel design and low VOC (Volatile Organic Compounds) heating technology, reducing VOC emissions to less than 50 mg/m³—meeting EU’s REACH and China’s GB 18583 2008 standards. The closed barrel prevents plastic fumes from escaping, while a built in exhaust system filters and treats fumes before release. For workshops producing food contact plastics (e.g., baby bottle nipples), this design ensures products are free from harmful residues, complying with food safety regulations (e.g., FDA 21 CFR). Additionally, the machines use recyclable plastic waste (up to 30% of raw material) without affecting product quality, promoting circular economy practices.

Related products

The market for a "molding machine for sale" encompasses a vast spectrum of options, from brand new models with the latest technology to a vibrant secondary market for used and reconditioned equipment. When evaluating a machine that is for sale, a potential buyer must conduct a comprehensive assessment that goes beyond the listed price. For new machines, key considerations include the manufacturer's reputation, the machine's specifications (clamping force, shot volume, platen size), drive technology (hydraulic, electric, hybrid), and the included warranty and service package. The initial cost must be weighed against long term operational expenses, such as energy consumption and preventive maintenance requirements. In the used equipment market, the machine's service history, total number of operating hours, and overall condition are paramount. It is highly recommended to inspect a used machine under power to evaluate its performance, check for any oil leaks in hydraulic systems, test the control system's functionality, and assess the wear on critical components like the screw, barrel, and tie bars. The availability of spare parts and technical documentation for older models is a crucial factor. Sellers can range from original equipment manufacturers (OEMs) and their authorized distributors to independent machinery dealers and factories undergoing liquidation. Buyers should seek transparent sellers who provide detailed inspection reports and offer some form of guarantee. The final decision should align with the intended application, production volume, and available budget, ensuring that the purchased machine, whether new or used, is a reliable asset that will contribute positively to the manufacturing operation's productivity and profitability.

Frequently Asked Questions

Do these plastic related injection machines have automatic models?

Yes, there is an automatic model. A "Fully Automatic" injection molding machine (for sunglasses) is listed. It automates the entire plastic injection process—from material melting to part ejection—which is a key feature of advanced plastic injection machines, improving production speed and consistency.

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customer evaluation

Finn

We integrated this plastic injection machine with our conveyor belt and packaging machine. Finished plastic parts are automatically sent to packaging, saving 2 workers’ labor. It connects to our production management system, so we can track output and downtime in real time.

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High Injection Speed for Small Plastic Parts

High Injection Speed for Small Plastic Parts

This plastic injection machine excels at producing small, fast cycle parts like plastic bottle caps, USB connectors, and toy components, thanks to its high injection speed (180–220mm/s). The fast speed ensures molten plastic fills small mold cavities (as small as 5mm×5mm) completely before solidifying, preventing incomplete parts or missing features. For example, it produces 120–150 plastic bottle caps per minute—30% faster than standard machines—with a cycle time of just 40–50 seconds per batch. This high speed is critical for large batch production of small plastic items, where even small cycle time reductions translate to significant daily output increases.
Precise Thread Formation for Screw Type Parts

Precise Thread Formation for Screw Type Parts

For plastic parts with threads (e.g., jar lids, plastic bolts, or bottle caps), this machine delivers exceptional thread precision, ensuring smooth assembly and tight seals. It uses a specialized thread injection system that rotates the mold slightly during ejection to avoid damaging the thread. The machine’s precise pressure control (±1MPa) ensures the thread profile is sharp and consistent, with a tolerance of ±0.03mm for thread diameter. Threaded parts produced by this machine do not require post processing (e.g., tapping) and fit perfectly with matching components, reducing assembly time and client complaints.
Seamless Integration with Production Lines

Seamless Integration with Production Lines

Designed for industrial scale use, this plastic injection machine integrates easily with existing production lines, including conveyors, automated part sorters, and quality inspection systems. It has standard interface ports (RS485, Ethernet) that connect to factory ERP or MES software, allowing real time tracking of production data (output, defect rate, material use). The machine’s automatic part ejection system sends finished parts directly to a conveyor, eliminating manual handling and reducing labor costs. For example, in a beverage packaging line, it feeds plastic bottle caps directly to a capping machine, creating a fully automated workflow that increases overall line efficiency by 25%.
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