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Welding equipment status and development trend

Welding equipment status and development trend

1. Industry size

About one third of the steel products need to be welded, except for a few high-end equipment, these welding and processing equipment such as auto welding positioner in China can be basically provided by China, China has become the world's largest welding equipment producer and exporter.

At present, the main types of enterprises in the welder industry in China are private enterprises, joint-stock enterprises, sino-foreign joint ventures and wholly foreign-owned enterprises. The total number of enterprises is about 700, and the annual output value is about 10 billion yuan, among which there are more than 20 enterprises with annual output value of more than 100 million yuan.

At present, the capacity of China's welding equipment industry is greater than the demand. Although the prices of upstream resources and raw materials are rising, the average selling price of the whole industry is in a decreasing range, and the average profit of the industry is getting thinner and thinner. The core competitiveness and scale advantage of enterprises have reduced the living space of those small enterprises without independent research and development ability, and the number of enterprises will gradually decrease.

2. Technical level of the industry

(1) the application rate of efficient and energy-saving CO2 welder and submerged arc welding machine has been greatly increased.

(2) the invert welding machine has formed the general promotion momentum, especially the invert CO2 welding machine has obtained the general application.

(3) rapid development of automatic welding equipment, in high-speed locomotive, construction machinery, steel structure, home appliances, automobile and other industries have been widely used, has occupied the main position.

(4) the number of welding automation equipment represented by welding robot has been greatly increased and applied more and more widely.

(5) under the background of financial crisis, the export quantity and scale of welding machines have been greatly increased, and the share of low-end commercial international market has been greatly increased.

200T Capacity Adjustable Turning Rolls

Adjustable Turning Rolls

3. Comparative analysis of development level and gap at home and abroad

(1) the welding machine controlled by digitization has become the mainstream of imported welding machines. Fully digital control technology greatly improves the control accuracy, consistency and reliability of welder products, and greatly simplifies the upgrade of control technology. However, domestic welding power supply is still dominated by analog control technology. Although some manufacturers have launched full digital welding power supply, most of them are at the level of simply replacing analog control, and the role of full digital control has not been played out, leading to low market recognition.

(2) intelligent process control most foreign welding power sources provide welding expert system in the form of free or optional, allowing the operator to input welding materials, thickness, groove form and other welding conditions to automatically generate welding process. However, domestic welding power manufacturers have limited research and accumulation of welding process, and it is difficult to provide mature and reliable welding process support. As a result, domestic products have no competitive advantage with imported products except price, and most of the high-end market share is still occupied by imported welding machines. It is because of the lack and disconnection between intelligence and welding process services that most welding equipment in China are pure machines and equipment, without the responsibility of solving welding problems for welding users.

(3) most foreign welding equipment of system integration network provides field bus interface, and the controllable parameters are abundant, welding process control is more convenient, and the integration level of foreign automatic welding system is significantly improved. However, the domestic automatic welding system is generally at the level of relay switch marshalling control, and the information transfer of each automatic welding part is very limited, which makes it difficult to realize complex welding process coordination control.

Wuxi OLIVET Machinery Equipment Co.,LTD.E-mail: sales@chinaolivet.cnTel: +86-510-8383 0908

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