Stud welding machine
refers to a welding machine that weld studs or similar parts to the workpiece
through instant pressure and discharge. The stud is pressed into the molten
pool by the spring pressure in the welding gun, thereby forming a metal
recrystallization connection.
Several common
stud welding machines are arc stud welding machine, capacitor discharge welding
machine and automatic/CNC stud welding machine. Arc stud welding machines are
generally used to weld large diameter fasteners to thicker and thicker base
materials. It can be any shape, but it must have one end of a fastener designed
for arc welding equipment. Capacitor discharge stud welding machine is
generally used for welding small diameter fasteners and thin base materials.
The entire welding cycle is completed in only milliseconds, which not only
ensures that the mass production of the workpiece can be completed in a short
time, but also there will be no obvious deformation, burn-through or fading on
the back during the welding process. Automatic/CNC stud welding machine is a
numerical control equipment developed on the basis of traditional manual stud
welding machine that integrates automatic stud feeding and welding. The
automatic/CNC stud welding machine can quickly and stably weld a variety of
studs on the metal surface, and realize complex welding requirements through
CNC programming. On the whole, capacitor discharge welding machines have
excellent performance and the largest market, accounting for 70.85% in 2019.
Stud welding machines are widely used, which can be used to produce various parts of automobiles. The studs inside the car are used to fix the wiring harness, interior parts and carpets, while the studs outside the car are used to fix the wiring harness, oil pipes, brake oil pipes, heat insulation boards, wind deflectors and other chassis accessories. Stud welding machines are also suitable for inclined construction, prefabricated slabs, stadiums, bridge construction, parking lots, high-rise buildings, prefabricated columns, tee and beam connections, seismic shear walls and concrete structural steel plates in the construction industry. Power transformer storage tanks and power system sensors for power systems usually use stud welders, too. Stud welding machines can also meet the welding needs of the shipbuilding industry, which is also the most widely used field, with a market share of 31.94% in 2019. Shipyards use it to connect insulation materials, wire management equipment and hatch covers.
Prospect Analysis of the Stud Welding Machine Industry in Various Regions Under the Influence of COVID-19
After a period of development, the industry has entered a mature period with high market concentration. The top three companies in 2019, Stanley, Midwest Fasteners, and Köster accounted for 36.63% of the market share, 18.95%, 8.94%, and 8,74% respectively.
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Europe is the largest revenue market, with a market share of 51.01% in 2015 and 52.64% in 2019, an increase of 1.63%. The Asia-Pacific and North America ranked second and third with 28.74% and 13.37% of the market share in 2019. With low levels of economic development, and underdeveloped manufacturing industries, the demand for stud welding machines in South America, the Middle East and Africa is relatively small, with the market share of only 2.91% and 2.35% in 2019.
At present, COVID-19 has spread throughout the world, and the epidemic situation in many countries is not optimistic. The epidemic has also negatively affected many industries. The bottoming out of the machinery manufacturing industry was much later than originally expected. Due to the unpredictable time for the current full recovery of transportation and logistics, the market is likely to face long-term stagnation. Although the impact on the robotics industry, shipbuilding industry, and heavy machinery industry is not serious, its prospects are still difficult to predict. Affected by COVID-19, the manufacturing and supply chain operations of the stud welding machine industry have been disrupted, which has had an exponential impact on the entire supplier network. At this time, the stud welding machine company is already facing serious economic headwinds, and there are obvious signs of recession in major global markets. Its market value has dropped from US$366.8 million in 2019 to US$332.8 million in 2020. Companies in the industry should re-arrange investment priorities, suspend all non-essential investment plans, and initiate cost-reduction plans throughout the enterprise, with immediate and long-term impact.
The Development of Science and Technology Will Promote the Automation and Intelligent Process of Stud Welding Machines
With high production efficiency, relatively simple structure and technology, and good economy and practicability to reduce the cost of workpiece welding to a certain extent, the stud welding machine has been the first choice for production in all walks of life. Therefore, it is widely used in the automobile industry, agriculture, construction industry, shipbuilding industry and other fields, with large market demand.
In 2015, the total
revenue of the global stud welding machine industry was US$350.34 million,
which increased to US$36687 million in 2019. The development of the stud
welding machine industry is largely affected by downstream demand. As the
epidemic is gradually brought under control, the manufacturing industries in
various regions will be able to recover, which will have a positive impact on
the market demand for stud welding machines. Therefore, we predict that by 2025
the total value of the global stud welding machine market will reach 406.53
million US dollars.
With the
continuous development of computer technology, automation technology and power
electronic technology, welding equipment also needs to develop in the direction
of automation, intelligence, and digitization. IGBT inverter welding power
supply replaces the welding power supply controlled by thyristor. It is less
susceptible to power fluctuations in power sources and generators, so it is
more reliable and less likely to be damaged or malfunctioned. The control
system adopts microprocessor and liquid crystal display, so the welding
parameter programming is simple and intuitive. In addition, replacing the
spring mechanical welding torch with a welding torch controlled by a servo
motor can accurately control the lifting stroke of the stud and make the
welding quality more reliable. In the future, stud welding machines will
further develop in the direction of high efficiency and high quality, and face
greater development space.
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