High Quality Plastic Injection Molding System

September 18, 2025

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Model NO.: BL-320T
Processing: Injection Molding Machine
Capacity: 1000-8000 bph
Delivery: 40 days after payment
Shipping Term: By Sea or by Train
Warranty: 1 year
Certificate: CE, ISO, SGS
Trademark: Blissum
Specification: CE, ISO, CCC, GSG
Origin: Zhangjiagang, Jiangsu, China
HS Code: 8422301090

**Description of Full-Automatic Injection Molding Machine for PET Preforms and Caps:** 1. **Clamping Unit** This machine features a five-point double toggle system combined with a unique negative rear angle design. The platen has been analyzed using finite-element analysis to ensure high rigidity and long operational life. It supports large mold sizes with an extended opening stroke and tie-bar distance. An adjustable moving platen support unit is ideal for heavy molds. The system allows programmable control over multiple mold speeds and pressures. It includes a sensitive low-pressure mold protection device and an alarm for mold closing. A precision gear system ensures accurate mold height adjustment and automatic adjustment based on preset clamping pressure. It also features electrical and mechanical safety interlocks, an automatic centralized lubrication system with oil-out alarm, and a multi-stroke ejector with delay timer. 2. **Injection System** The twin-hydraulic cylinder ensures fast and stable injection. The injection screw has a large L/D ratio of 20:1 for superior plasticizing performance. The specially designed nitrided steel screw and barrel ensure long service life. A protective cover is included for operator safety. The built-in computer-monitored injection system ensures precise plasticizing. It supports two-stage plasticizing with speed, pressure, and position control. Programmable auto-purge control allows quick color changes. The hopper has an empty material alarm, and the system offers programmable decompression and adjustable back pressure (zero back pressure available on TRX400 models). The barrel temperature is precisely controlled, and a low-temperature protection system is in place for the screw. A nozzle centering device and screw speed display are also included. 3. **Hydraulic System** The hydraulic system uses a dual proportional load induction circuit for smooth operation and energy efficiency. High-quality components such as hydro-motors, pumps, valves, oil seals, and high-pressure hoses from reputable manufacturers ensure reliable performance. 4. **Control System** The machine is equipped with a microprocessor controller system that stores mold data such as time, pressure, speed, and stroke. A high-resolution LCD screen makes operation easy. All electrical components come from well-known brands to ensure reliability. Linear transducers are used for injection, clamping, and ejection, and fuzzy temperature control is implemented for better stability.
Model Name Brand and Origin
PLC MITSUBISHI (Japan)
Blowing Valve PARKER (Switzerland)
Acting Valve YSC (Korea)
Stretch Cylinder MOHE (Joint, Japan)
Silencer SMC (Japan / Taiwan)
Photoelectrical Switch Korea / Japan
Fan Germany / Japan
Pressure Gauge AIRTAC (Taiwan)
Rotation Cylinder FESTO
This full-automatic injection molding machine is designed for high-efficiency production of PET preforms and caps. It combines advanced technology with user-friendly features to deliver consistent quality and long-term reliability. Perfect for industrial use, this machine is suitable for manufacturers looking for precision, durability, and ease of operation.

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