A domestic LPG cylinder manufacturing plant, plagued by outdated equipment, high failure rates, high maintenance costs, high reliance on manual labor, and low production efficiency, struggled to meet current capacity and quality standards. Automation upgrades were necessary to reduce costs, increase efficiency, and improve production capacity.

Transformation Objectives:

LPG Cylinder Body Forming Line

LPG Cylinder Trimming & Beading Line

The two production lines will undergo a systematic automation upgrade, leveraging a new generation of automation design solutions to achieve the following core objectives:

1. Reduced Reliance on Manual Labor: Significantly reduce manual intervention and repetitive, high-intensity labor.

2. Improved Quality, Efficiency, and Stable Operation: Servo systems combined with automated equipment unify production standards, accelerate production pace, reduce equipment failure frequency, and ensure smoother and more efficient production line operation.

3. More Consistent Product Quality: Primarily automated mechanical operation minimizes the differences in manual operation, ensuring standardized processes for cylinder forming, trimming, and beading, reducing defective products.

4. Strong Versatility and Easy Adaptability: Upgraded equipment can quickly adapt to the production of cylinders of different specifications, flexibly undertaking various production orders.

5. Enhanced Production Safety: Automated equipment replaces personnel in high-risk work areas, reducing manual operation in hazardous positions and effectively lowering the risk of production safety accidents.

Implementation of the Upgrade Plan

1. LPG Cylinder Forming Line Upgrade: The entire servo drive control system was optimized and upgraded, and multiple automated supporting devices were added. This achieved automated flow of raw material feeding and process delivery, reducing repetitive tasks such as manual handling and feeding, retaining only a small number of personnel for auxiliary operations. Precise closed-loop control of the entire cylinder forming line was achieved, resulting in smoother operation and higher positioning accuracy.

2. LPG Cylinder Trimming and Rolling Line Upgrade: The old transfer robot at the customer's site was removed and replaced with our factory's new generation of LPG cylinder-specific universal robot, adapted for automated production line cylinder processing, valve seat welding, handguard welding, and base welding.

Compared to traditional six-axis robots, our company's custom-developed universal robotic arm offers stronger adaptability, smoother operation, precise customization, and a robust and durable structure. It can efficiently complete processes such as cylinder transfer and loading/unloading, precisely cooperating with trimming and rolling equipment to optimize the overall production line rhythm, improve equipment operational stability, and boasts core advantages such as simple operation, ease of learning, low maintenance costs, short repair cycles, and reduced safety hazards. Currently, global sales have exceeded 200 units.

Transformation Results:

After the successful implementation of this production line optimization and transformation at the old plant, the on-site production landscape has been completely transformed:

1. The demand for manual labor on the production line has been significantly reduced, employee labor intensity has been greatly decreased, and enterprise labor costs have been reasonably controlled;

2. The production pace has accelerated, overall capacity has steadily increased, and order delivery efficiency has been significantly improved;

3. Standardized and automated production mode has been stably implemented, the overall quality of finished products has been greatly improved, and market competitiveness has been continuously enhanced;

4. High-risk operations in the factory area have been significantly reduced, production safety hazards have been effectively reduced, and daily production management has become more standardized and worry-free;

5. The upgraded equipment has a lower failure rate, daily maintenance is simpler, and the enterprise's subsequent equipment operation and maintenance costs have been effectively reduced.

In summary, this upgrade of the core production line at the aging LPG cylinder plant adopted a new generation of automated optimization design, specifically modifying the bottle forming and trimming lines. This successfully addressed common industry challenges such as high manpower requirements, high intensity, low efficiency, and weak safety in traditional production lines. The upgraded production line operates primarily with automation, supplemented by manual labor. While reasonably controlling upgrade costs, it achieves multiple benefits including reduced manpower, increased efficiency, improved quality, and enhanced safety. The solution perfectly meets the actual needs of the aging factory, demonstrating strong practicality and providing a mature and reliable model for upgrading production lines in many similar aging LPG cylinder manufacturing plants across China.