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Introduction and Advantages of Liquid Silicone Rubber (LSR) Injection Molding Machine: new machines from Jinyu Machinery
The Liquid Silicone Rubber (LSR) Injection Molding Machine is a specialized automated equipment designed to inject liquid silicone raw materials under high pressure, followed by compression molding and curing, to finally form various silicone products. It is widely used in medical, maternal and infant, electronics, automotive and other fields, and can produce products such as pacifiers, sealing rings, buttons, and medical catheters.
I. Core Component Systems
• Feeding System: Responsible for accurately conveying liquid silicone raw materials (usually two-component A and B), ensuring the raw materials are mixed evenly in proportion, and providing a stable and qualified material foundation for subsequent molding.
• Compression Molding System: As the core working unit of the equipment, it injects the mixed liquid silicone into the customized mold cavity under high pressure, and then cooperates with heating devices to cure and shape the silicone in the mold, which determines the final shape and structure of the product.
• Chilled Water Unit: It is an auxiliary cooling system, mainly used for rapid cooling of the mold or product after molding to accelerate the curing and setting of silicone. At the same time, it stabilizes the mold temperature to ensure the dimensional accuracy of the product and production efficiency.
• Intelligent PLC Control System: Serving as the "brain" of the equipment, it precisely controls the parameters of each system (such as feeding speed, injection pressure, mold temperature, and cooling time), realizes automatic operation of the entire production process, and ensures stable and consistent molding quality.
• Key-Type Operation Device: A human-machine interaction interface designed for easy operation. Operators can set parameters, start/stop the machine, and monitor the production status through the physical keys. The layout is concise and intuitive, reducing operational complexity and improving work efficiency. Other silicone machines
II. Main Advantages
1. High Molding Precision: With precision molds and stable temperature and pressure control, the weight precision of products can reach 0.01 milligrams, which can meet the strict dimensional tolerance requirements in fields such as medical treatment and electronics.
2. High Production Efficiency: The automated feeding and injection process shortens the molding cycle, and the chilled water unit accelerates curing, which can significantly increase the output per unit time compared with the traditional compression molding process.
3. Excellent Product Quality: The liquid silicone is evenly mixed, with no bubbles or impurities during the injection process. After molding, the product has uniform texture and stable physical properties (such as elasticity and aging resistance), and meets safety standards such as food grade and medical grade.
4. High Degree of Automation: It can be integrated with modules such as automatic feeding, demolding and testing, reducing manual intervention, lowering operational errors, and alleviating the labor intensity of workers.
| INJECTION UNIT | |
| Screw Diameter | Φ25mm |
| Screw Diameter | Φ35mm |
| Theoretical Injection Volume | 73㎝3 |
| Theoretical Injection Volume | 240㎝3 |
| Injection Weight(PS) | 81g(oz) |
| Injection Weight(PS) | 264g(oz) |
| Max.Injection Pressure | 600Mpa(kgf/cm2) |
| Max.Injection Pressure | 450Mpa(kgf/cm2) |
| Injection Rate | 25cm3/sec |
| Injection Rate | 45cm3/sec |
| Injection Speed | 50mm/s |
| Injection Speed | 50mm/s |
| CLAMPING UNIT | |
| Clamping Force | 617/(63)kN(tf) |
| Clamping Stroke | 250mm |
| Min.Mold Thickness | 30mm |
| Max.Opening | 270mm |
| Distance Between Tie Bars | 540*300mm |
| Max Mould Size | 400*400mm |
| Ejector Distance | 300mm |
| Ejector Force | 16.6kN(tf) |
| OTHERS | |
| System Pressure | 13.7（140）Mpa(kgf/cm2) |
| Oil Tank Capacity | 35L |
| Electric Power | AC380V5.5KW |
| Heater Power | 10.8kw |
| Machine Dimension | 1500*1850*1750mm |
| Machine Weight | 2000kg |
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Dongguan Jinyu Automation Equipment Co., Ltd.
Audited supplier
9 year
Main Product:
Dispensing Machines,
PVC Machines,
Silicone Machines,
Kpu Shoes Machines,
Silicone Label Embossing Machines ,
Hydraulic Machines
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