Why do IG units have sealant leakage?

Sealant leakage is usually caused by incorrect sealant temperature or viscosity, poor spacer bending accuracy, glass size deviation, surface contamination, or unstable 2K sealing ratios.

How can I prevent sealant leakage in insulated glass units?

Maintain correct sealant temperature, ensure precise spacer bending, keep glass surfaces clean, use stable A/B sealant ratios, and consider using an automatic sealing robot for consistent quality.

Can equipment problems cause IG sealant leakage?

Yes. Butyl extruder temperature errors, 2K sealant mixing issues, worn nozzles, and inconsistent machine pressure can all lead to poor sealing performance and leakage.

Does manual sealing increase the risk of leakage?

Manual sealing often leads to uneven sealant lines and inconsistent corner filling. Using an automatic IG sealing robot significantly reduces leakage and improves product stability.

What is the best long-term solution for reducing IG sealant defects?

Investing in automated equipment—such as an IG sealing robot, automatic spacer bending machine, and calibrated 2K sealant pump—offers the most consistent and long-term solution to eliminate sealing problems.

Is LIJIANG Glass a factory or a trading company?

LIJIANG Glass is a professional manufacturer specializing in glass machinery and insulating glass production lines. We design, produce, and assemble equipment in our own factory to ensure strict quality control and efficient delivery.

What is the delivery time for your glass machinery?

Normally, the delivery time is 15–20 working days after receiving the deposit. For standard models, we usually have stock in the factory. If you have urgent requirements, we can arrange priority production.

What payment methods do you accept?

We accept common international payment methods including T/T (bank transfer), L/C, and other negotiable terms depending on the order volume and customer region.

How does LIJIANG Glass provide after-sales service?

We provide full technical support after delivery, including online troubleshooting, installation guidance, video assistance, and on-site service if necessary. Our engineers ensure smooth operation and long-term maintenance support for every customer.

Can LIJIANG Glass customize glass machinery?

Yes, we can customize glass processing equipment according to your factory layout, glass size, and production requirements. Our design team provides tailored solutions to optimize efficiency and cost performance.

Automatic insulating glass processing machine

11 min read

A Simple and Reliable Solution for Modern Glass Factories. An Automatic Insulated Glass Production Line is designed to produce insulated glass units (IGU) in an efficient and stable way. Insulated glass is widely used in residential, commercial, and industrial buildings. It helps reduce energy loss and improve indoor comfort. Today, glass factories face higher labor costs and stronger competition. Many customers also require stable quality and fast delivery. Because of these reasons, more manufacturers are choosing an automatic insulated glass production line to upgrade their production capacity.

What Is an Automatic Insulated Glass Production Line?

An automatic insulated glass production line is a complete system used to process double or triple-glazed glass. It combines several production steps into one continuous workflow, which reduces manual handling and improves efficiency. The main working steps include:

Glass washing and drying
Spacer frame positioning
Gas filling
Glass pressing and sealing

Before assembly, the glass is cleaned by a glass washing machine. Clean glass surfaces help prevent sealing problems and improve the final quality of insulated glass.

How Does Automation Improve Glass Production?

Automation plays an important role in modern glass factories. With an automatic insulated glass production line, machines control the key production parameters instead of manual operation. The production speed is more stable. The glass transfer process is smoother. This reduces human error and makes daily production easier to manage, especially for large-volume orders.

Main Benefits of an Automatic Insulated Glass Production Line

Higher Production Efficiency

Automatic operation reduces repeated manual work. The production rhythm is stable, and output can be increased without adding more workers. This helps factories meet tight delivery schedules.

Stable and Consistent Quality

The system controls spacer alignment, gas filling rate, and sealing thickness. When combined with an automatic sealing robot, sealing quality is more uniform and reliable.

Lower Labor Cost

Only a small number of operators are needed to run the production line. This helps factories reduce labor dependency and control operating costs in the long term.

Support for Energy-Saving Glass

The line is suitable for processing Low-E glass. It supports gas filling to improve thermal insulation performance, which meets energy-saving building requirements.

Supporting Equipment in the Production Line

A complete automatic insulated glass production line usually works together with several key machines, such as:

Spacer bending machine for accurate aluminum spacer forming
Butyl extruder for primary sealing
Automatic gas filling and monitoring systems

These machines help keep the production process stable and improve overall product consistency.

Who Should Use an Automatic Insulated Glass Production Line?

This type of production line is suitable for:

Medium and large glass factories
Manufacturers producing insulated glass in large quantities
Companies planning to upgrade from semi-automatic equipment

It is also a good choice for factories that want to improve production efficiency and reduce quality complaints.

Is an Automatic Insulated Glass Production Line a Good Investment?

For many glass manufacturers, investing in an automatic insulated glass production line is a practical decision. Higher efficiency, stable quality, and reduced labor costs help factories improve competitiveness. Over time, lower rework rates and better production control bring clear economic benefits. This makes automation an important step toward long-term development.

Conclusion

An Automatic Insulated Glass Production Line provides a simple, efficient, and reliable way to produce insulated glass. It helps glass factories increase output, reduce labor costs, and ensure stable product quality.