The Lisong Precision Injection Molding Machine is designed for manufacturers requiring controlled and repeatable molding conditions in continuous production. The range includes the LS170G and LS290G models for different machine capacity and mold requirements.
Technical Data
|
Specification |
LS170G |
LS290G |
|
Model Description |
170/470-400 |
290/580-770 |
|
International Size Description |
1700-400 |
2900-770 |
|
Clamping Force |
1870 kN |
3190 kN |
|
Max. Mold Opening Stroke |
430 mm |
550 mm |
|
Tie-Bar Distance (H × V) |
470 × 410 mm |
580 × 515 mm |
|
Screw Diameter |
40 mm |
50 mm |
|
Specific Injection Pressure, up to 400°C |
1663 bar |
1710 bar |
|
Max. Shot Weight, PS |
217 g |
411 g |
|
Injection Speed, under 1000 bar injection pressure |
401 mm/s |
434 mm/s |
|
Drive Capacity |
Approx. 45 kW |
Approx. 99.9 kW |
|
Net Weight, without oil |
Approx. 6,500 kg |
Approx. 11,000 kg |
|
Machine Dimensions (L × W × H) |
Approx. 5.5 × 1.4 × 2.0 m |
Approx. 6.65 × 1.62 × 2.1 m |
What Keeps the Mold Position Stable?
High-Rigidity Structure
The machine uses a high-rigidity mold structure designed to reduce template deformation during mold closing.
Direct Pressing
The mechanical direct pressing system provides direct force transmission during mold closing.
How Injection Pressure Is Controlled?
Pressure Feedback
The control system monitors injection pressure through closed-loop feedback, allowing the actual injection condition to be monitored against the programmed process.
Injection Curve
Injection curve tracking records the injection profile during the molding cycle for process evaluation.
Fault Diagnosis
The control system includes fault self-diagnosis to provide information when machine abnormalities occur.
KEBA Control
A KEBA control system is specified for machine control, process monitoring, and diagnostic functions.
Where This Machine Fits Best?
Thin-Wall Containers
Published applications include disposable beverage cups, lunch boxes, and plastic food containers.
Short-Cycle Production
The machine is intended for production requiring high-speed injection and clamping.
Automated Production
Automatic part removal and stacking support production lines requiring continuous part handling.
Application Experience
Lisong injection molding machines are used for applications including food packaging, cosmetic packaging, medical consumables, industrial containers, and household plastic products.
Published application examples include disposable food containers, chemical barrels, and other thin-wall packaging products. Machine selection and configuration depend on the product, mold, material, and production requirements.
Parts Leave the Machine Ready for the Next Process
Part Removal
Molded parts can be removed automatically after the molding cycle. The removal arrangement depends on the mold and part configuration.
Part Stacking
Removed parts can be stacked automatically for subsequent handling or processing. The stacking arrangement should be confirmed according to part geometry and downstream requirements.
Which Machine Configuration Matches Your Mold?
Mold Space
Tie-bar distance and mold opening stroke determine whether the selected machine can accommodate the mold.
The LS170G provides a 470 × 410 mm tie-bar distance and 430 mm maximum mold opening stroke, while the LS290G provides 580 × 515 mm and 550 mm respectively.
Injection Capacity
Part weight, material, required injection pressure, screw diameter, and injection speed should be evaluated together when determining injection capacity.
Production Requirements
Target cycle time, cavity number, annual production volume, and part geometry should be considered alongside the machine specifications.
Mold Information
Machine suitability can be evaluated from the part material, part weight, mold dimensions, cavity number, target cycle time, and available product or mold drawings.
Built by the Manufacturer
Lisong develops and manufactures injection molding machines at its production facilities in Yuyao, Zhejiang, China. The company reports 40,000+ m² of production facilities, 80+ professional and technical personnel, and more than 30 years of core injection molding technology experience.
Its R&D activities cover high-speed precision injection molding, machine control systems, automation, and Industry 4.0 applications. The company also reports technical personnel with experience from international injection molding equipment companies.
What Does the Accuracy Specification Cover?
Part Tolerance
The ±0.01 mm specification applies to mold opening and closing accuracy, not finished-part dimensional tolerance.
Process Variables
Finished-part dimensions are also affected by mold design, polymer characteristics, injection parameters, cooling conditions, and material variation.
Acceptance Criteria
For projects with defined dimensional requirements, the applicable mold, process conditions, measurement method, and acceptance criteria should be agreed before production.
Before Shipment
Machine Assembly
Assembly is carried out at Lisong's manufacturing facility in Yuyao, Zhejiang, China.
Machine Testing
Each machine undergoes checks for its specified configuration and operating functions before shipment. Factory trials are available.
Mold Trial
For applicable projects, the customer's mold can be trialed on the machine to verify operation and process compatibility.
Quality & Factory Acceptance
Lisong operates under an ISO 9001-certified quality management system. For factory acceptance testing, the machine configuration, inspection items, operating conditions, measurement methods, and acceptance criteria can be agreed with the buyer before shipment.
Export Preparation
Before shipment, the machine configuration, dimensions, weight, packing, loading, and shipping documents are confirmed according to the order and destination.
Support After the Purchase
Technical Assistance
Technical guidance, customer training, and technical consultation are available after purchase.
After-Sales Service
24-hour after-sales service and regular customer follow-up are available. Specific communication channels and response arrangements should be confirmed for the destination market.
Spare Parts
Spare-parts supply and long-term machine maintenance support are available. Requirements for the selected machine should be confirmed during the quotation process.
Frequently Asked Questions
Q: How do I choose between the LS170G and LS290G?
A: The choice depends on mold size, required clamping force, part weight, injection requirements, cycle time, and production volume. Provide the mold dimensions, part weight, material, cavity number, and target cycle time for model evaluation.
Q: Can the machine be configured for my mold and production requirements?
A: Machine configuration can be evaluated against your mold dimensions, material, part weight, cavity number, target cycle time, production volume, and automation requirements. Existing mold drawings and product information can be provided for technical evaluation.
Q: What information should I provide for a quotation?
A: Provide the plastic material, part weight, product dimensions, mold dimensions, cavity number, target cycle time, annual production volume, and available product or mold drawings. Automation or downstream handling requirements should also be specified where applicable.
Q: What should be confirmed before placing an order?
A: The machine model, technical configuration, mold compatibility, electrical requirements, automation scope, delivery terms, and acceptance criteria should be confirmed before order placement.
Q: What is required for machine installation and commissioning?
A: Installation planning should cover machine dimensions and weight, power supply, site access, positioning, auxiliary equipment, and commissioning requirements. The exact installation conditions depend on the selected model and configuration. Installation and training arrangements should be agreed before shipment.
Q: How is the machine tested before shipment?
A: The machine is checked after assembly for its specified configuration and operating functions. Lisong can provide machine photos and arrange a factory machine trial, with mold trials available where applicable. For required factory acceptance testing, inspection items and acceptance criteria can be agreed before shipment.
Q: How is the machine shipped?
A: Shipping arrangements depend on the machine model, final configuration, destination, and agreed delivery terms. Before dispatch, the buyer and manufacturer should confirm packing, loading, transport method, shipping documents, and the machine's final shipping dimensions and weight.
Q: What should be prepared at the customer's factory before delivery?
A: The installation site should be prepared according to the selected machine's dimensions, weight, electrical requirements, and installation conditions. Detailed site requirements should be confirmed for the specific model.
Q: What is the typical production lead time?
A: The typical production lead time is 30–45 days after order confirmation. This refers to the machine production period; total delivery time also depends on configuration, export preparation, shipping arrangements, and destination.
Q: What information is needed for after-sales support?
A: Provide the machine model, machine identification information, operating conditions, fault description, and relevant photos or videos where applicable. This information helps the technical team evaluate the issue and determine the appropriate support.
Q: What delivery and trade terms are available?
A: Lisong can support international orders under FOB, CFR, CIF, and EXW terms. Payment can be arranged by T/T or L/C, subject to the order and contract conditions. The quotation will specify the applicable Incoterm, loading port, payment schedule, export documentation, and shipping arrangements for the destination country.
Q: What makes this machine suitable for precision molding?
A: The machine combines high-rigidity mold structure, direct force transmission, injection pressure feedback, injection curve monitoring, and ±0.01 mm mold opening and closing accuracy. Actual part precision also depends on the mold, material, processing conditions, and cooling process.
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