Fully Automated LSR Equipment Servo-Driven Energy-Saving Injection Molding Machine
| Specifications: |
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| BETTER Vertical Rotary LSR injection molding machine |
| clamping force | 85tons |
| size | Φ1180 |
| max mold size | 430*430(600*350)mm |
| Min mold height | 210+50mm |
| mold stroke | 250mm |
| max daylight | 460+50mm |
| ejector force | 3tons |
| Thimble diameter | Φ25 |
| ejector distance(product) | 105(75)mm |
| Max hydraulic pressure | 140kg/cm2 |
| cooling water | 1500-1800liters/hr |
| ElectrothermaL | 4kw |
| Motor | 13kw |
| Dimention (L*W*H) | 2.84*2.13*2.86/3.67 |
| weight | 5.5tons |
What is the LSR injection molding machine?
An LSR injection molding machine is a specialized piece of equipment used to produce parts from liquid silicone rubber (LSR) through a process called liquid injection molding (LIM). These machines are designed to handle the unique properties of LSR, which is a thermoset material that requires specific processing conditions to achieve proper curing.
Here's a more detailed explanation:
Key Features and Process:
Dedicated LSR Injection Unit:
Unlike traditional injection molding, LSR machines feature a specialized injection unit designed to handle the low viscosity of liquid silicone rubber.
Meter Mixing System:
LSR typically comes in two parts (A and B) that need to be precisely mixed in a specific ratio (usually 1:1). These machines have a meter mixing system (often hydraulic or pneumatic) to ensure accurate and consistent material delivery to a static mixer.
Static Mixer:
The two-part LSR mixture is fed into a static mixer, which combines the components to initiate the curing process.
Heated Mold:
The mixed LSR is injected into a heated mold cavity, where the heat triggers a chemical reaction that cures the material into a solid, flexible rubber component.
Precise Temperature Control:
Maintaining the correct temperature in the mold is crucial for proper curing, and LSR machines offer precise temperature control.
Fast Cycle Times:
Because LSR cures from the outside in, it can often be demolded before the entire part is fully cured, leading to faster cycle times compared to some thermoplastic molding processes, especially for thicker parts.
Advantages of LSR Injection Molding:
Complex Geometries:
The low viscosity of LSR allows it to fill intricate mold designs and thin-walled sections.
Lower Injection Pressures:
Compared to thermoplastics, LSR can be injected at lower pressures, reducing stress on the mold and machine.
High Precision and Repeatability:
LSR machines are designed for high precision and repeatability, making them suitable for producing parts with tight tolerances.
Wide Temperature Range:
LSR parts can withstand a wide range of temperatures, making them suitable for various applications.
Excellent Material Properties:
LSR offers good elongation, high tear and tensile strength, excellent flexibility, and good electrical insulating properties.
Common Applications:
LSR injection molding is used in a wide range of industries, including:
Medical: Devices like seals, gaskets, catheters, and breathing masks.
Automotive: Seals, gaskets, and other components.
Electronics: Keypads, connectors, and insulators.
Consumer Goods: Baby bottle nipples, kitchen utensils, and various household products.
In summary: LSR injection molding machines are specialized systems that leverage the unique properties of liquid silicone rubber to produce high-precision, durable parts for a wide range of applications.
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