The Lisong Thin Wall Injection Molding Machine is designed for high-volume production of thin-wall plastic products. Its main applications include disposable beverage cups, lunch boxes, food containers and other lightweight packaging products.
Technical Specifications
|
Specification |
LS290G |
LS310G |
|
Model description |
290/580-770 |
310/620-770 |
|
International size description |
2900-770 |
3100-770 |
|
Clamping force |
3190 kN |
3410 kN |
|
Maximum mold opening stroke |
550 mm |
550 mm |
|
Tie-bar spacing (H × V) |
580 × 515 mm |
620 × 510 mm |
|
Screw diameter |
50 mm |
50 mm |
|
Specific injection pressure, up to 400°C |
1710 bar |
1710 bar |
|
Maximum shot weight, PS |
411 g |
411 g |
|
Injection speed, under 1000 bar injection pressure |
434 mm/s |
434 mm/s |
|
Electrical drive capacity |
Approx. 99.9 kW |
Approx. 99.9 kW |
|
Net machine weight, without oil |
Approx. 11,000 kg |
Approx. 11,500 kg |
|
Machine dimensions (L × W × H) |
Approx. 6.65 × 1.62 × 2.10 m |
Approx. 6.70 × 1.65 × 2.10 m |
Key Performance Advantages
High-Speed Thin-Wall Production
The LS290G and LS310G are designed for high-output thin-wall packaging applications, including disposable cups, food containers and lightweight plastic products. The machine supports fast filling and stable production for continuous manufacturing requirements.
Stable Production Performance
The machine integrates servo-hydraulic control, injection monitoring and machine control functions to support consistent molding performance during repeated production cycles.
Automation-Ready Production
The machine can be configured with automated picking and stacking solutions to reduce manual handling and support continuous production workflows.
Application-Based Configuration
Machine selection is evaluated according to product size, material characteristics, mold specifications and production targets to ensure suitable machine configuration.
Injection Performance
Injection Speed
The LS290G and LS310G provide an injection speed of up to 434 mm/s, supporting fast filling requirements for thin-wall packaging applications.
Injection Pressure
The machines provide a specific injection pressure of up to 1710 bar under the stated conditions. Actual pressure requirements depend on product geometry, resin characteristics and mold design.
Process Optimization
Injection parameters are adjusted according to wall thickness, flow length, gate design, material properties and target cycle time.
Automated Part Handling
The machine can be equipped with automated picking and stacking systems for thin-wall production.
Part Removal
Automated picking removes molded parts after ejection, reducing manual handling during production.
Part Stacking
Stacking configuration is matched with part arrangement, cavity layout and downstream packaging requirements.
Manufactured by Lisong
Lisong is an injection molding machine manufacturer based in Ningbo, Zhejiang, China. Founded in 2013, the company manufactures injection molding machines for industrial production applications, including thin-wall packaging.
Manufacturing Facility
Lisong's 4000+ ㎡Ningbo manufacturing facility supports machine assembly, configuration and pre-shipment preparation. Buyers can arrange a factory visit to review the production facility and discuss machine requirements with the technical team.
Technical Capability
Our technical team reviews product drawings, mold information and target output during machine configuration.
Factory Verification
Buyers can arrange a factory visit to review machine assembly, production facilities and the selected machine configuration before purchase.
Pre-Shipment Inspection
Before shipment, Lisong verifies the machine against the confirmed configuration and technical requirements.
Inspection includes:
- Machine configuration and specifications
- Injection and clamping functions
- Electrical and control system requirements
- Customer-specific configuration requirements
- Application-related testing when required
FAQ
Q: How Do I Select the Right Clamping Force for a Thin-Wall Packaging Injection Molding Machine?
A: The required clamping force depends on the projected product area, cavity number, mold design and molding conditions. For thin-wall packaging applications, buyers should evaluate product size, mold requirements and production targets together instead of selecting a machine only by product weight.
Q: What Information Is Required to Select the LS290G or LS310G?
A: Buyers should provide product details, material type, cavity number, mold dimensions, required cycle time, production target and automation requirements. These details help determine whether the machine configuration matches the application requirements.
Q: How Should Product Weight Be Evaluated Against Shot Weight?
A: Product weight should be evaluated together with runner weight, material type, cavity number and molding conditions. The published maximum shot weight is based on PS material reference data, and actual usable shot capacity may vary depending on resin characteristics and production conditions.
Q: Can the LS290G and LS310G Run Multi-Cavity Thin-Wall Molds?
A: Yes. The LS290G and LS310G can support multi-cavity thin-wall molds within their clamping force, mold installation space and injection capacity range. Final suitability should be confirmed according to product size, cavity layout, mold dimensions and production requirements.
Q: Can Lisong Evaluate My Existing Mold Before Ordering?
A: Yes. Buyers can provide mold drawings, product drawings or key mold specifications for technical evaluation. Lisong can review mold compatibility based on clamping requirements, mold dimensions, injection capacity and production conditions.
Q: Can the LS290G and LS310G Be Configured for Automated Production?
A: Yes. The machine can be configured with automated picking, stacking and auxiliary equipment according to production requirements. The automation solution depends on product shape, cavity layout, cycle time and factory production layout.
Q: What Materials Can the LS290G and LS310G Process?
A: The LS290G and LS310G can be configured for commonly used thermoplastic materials in thin-wall packaging production. Material selection should be evaluated according to product requirements, processing temperature, flow characteristics and molding conditions.
Q: What Information Is Needed for an Injection Molding Machine Quotation?
A: Buyers should provide product drawings, material information, product weight, cavity number, mold specifications, production targets, automation requirements and any special configuration requirements. These details allow the machine specification and quotation scope to be evaluated accurately.
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