Stud welding technology

One important role of the application of stud welding technology is to replace traditional fastening techniques.

Replacing traditional processes

No need for bolt and nut fastening, no need for riveting

The traditional fastening process often uses screws or riveting, which has three obvious drawbacks:

1. Damaging the surface of the workpiece and affecting its aesthetics: Whether it is screw tightening or riveting, there will be one or more unsightly protrusions on the surface of the workpiece. If multiple protrusions are not arranged neatly

2. Multiple process steps and low production efficiency: Due to the need for drilling or punching, multiple pre processes are required before tightening, and more human cooperation may also be required during the installation process.

3. Poor positioning accuracy: Due to shaking during drilling, the positioning accuracy often exceeds 1mm. When the positioning accuracy requirement is high, the scrap rate may increase.

In addition, traditional processes cannot guarantee sealing effectiveness.

All of the above problems can be solved by stud welding technology!

2： Reliable

Stud welding technology belongs to a branch of welding technology, but it differs greatly from traditional welding techniques.

Let's compare the welding cross sections of various commonly used welding methods when welding studs. We use black circles to represent the studs, and blue represents the welding contact surface between the studs and the workpiece:

Explanation of welding method diagram

Manual welding: 1687658953837941.jpg Ordinary welding is often difficult to control due to large sparks, and can only achieve point contact. Moreover, due to the inability to accurately control, the melting degree of each welding point is different, which can easily cause the stud to be not vertical and welding deformation between the stud and the workpiece.

Spot welding/projection welding: 1687658958134035.jpg The effect of spot welding is slightly better than manual welding, which is less prone to welding deformation. However, due to the still point contact, the welding strength is very poor.

Laser beam welding: 1687658963189224.jpg seam welding has higher welding strength than spot welding, which belongs to line contact, but the welding efficiency is very low and cannot be applied to mass production.

Stud welding: 1687658969512818.jpg Stud welding is the complete welding of the entire end face on the workpiece. When the diameter of the stud is large, the outer ring is also protected by a molten pool, which is completely integrated with the workpiece. The welding strength is very reliable, and the welding efficiency is very high. Depending on the diameter of the stud and the welding method, the welding speed can reach 5-40 pieces/minute.

3： Efficient

Whether compared to traditional processes or other welding processes, the efficiency of stud welding technology always maintains an absolute advantage.

Fast welding speed

The welding time for energy storage stud welding is only 1-3 milliseconds, while for arc pull stud welding, the welding time varies between 5-1500 milliseconds depending on the diameter of the stud and the power of the welding machine.

Chip level control

The size of welding energy is completely controlled by the chip, and as long as the welding parameters are determined, it can ensure that the welding quality of each stud of the same specification is completely consistent.

No waiting time

After welding is completed, there is no need to wait for the stud to cool down, and the next stud can be welded. At the same time, there is almost no interval time for the equipment to wait for cooling.

4： Extensive

The applicability of stud welding technology is very wide, and it is very suitable for such a requirement:

Temporarily or permanently fasten two types of workpieces/materials together

Many industries' production and processing are based on such essential needs. Below are some examples to illustrate.

Q: What industry is suitable for using stud welding technology?

1. Sheet metal processing and manufacturing industry

The demand for stud welding technology in the sheet metal processing and manufacturing industry is very high. There are also many sub categories in this industry, such as chassis and cabinet manufacturing, electrical manufacturing, kitchen and household appliance manufacturing, medical device manufacturing, metal surface decoration industry, and sign fixing applications.

Applicable model: Energy storage stud welding machine

2. Fixation of threaded steel signs

The fixing of threaded steel signs belongs to a relatively special application, which is generally suitable for hanging and fixing the signs on the side of bundled threaded steel in steel mills.

Applicable model: Energy storage short cycle stud welding machine SC2401

3. Shipbuilding industry

This industry belongs to special applications, used for welding insulation nails and anti slip nails in ships.

Applicable models: Energy storage type short cycle stud welding machine SC2401 (marine insulation nail welding)/arc type stud welding machine (anti slip nail welding)

4. Automobile manufacturing industry

The current stud welding machine has become one of the standard configurations on automotive production lines and is one of the professional applications of stud welding technology.

Applicable model: pull-arc stud welding machine

5. Curtain wall industry

The typical applications in the curtain wall industry are divided into metal curtain walls and glass curtain walls, with metal curtain walls mainly used in the aluminum curtain wall industry. In some glass curtain wall applications, stud welding is the only solution.

Applicable model: Energy storage stud welding machine/arc pulling stud welding machine

6. Insulation industry

Stud welding is also widely used in the insulation industry, its function is to fix insulation materials on the surface of containers or workpieces, which belongs to the application of new technologies. For example, laying insulation cotton for air conditioning pipelines, laying insulation materials (refractory mud) for the inner and outer walls of boilers, etc.

Applicable models: energy storage stud welding machine (laying insulation cotton for air conditioning)/arc pulling stud welding machine (laying insulation materials for boilers)

7. Civil Engineering Industry

The civil engineering industry is mainly used in construction and bridge construction to enhance the bonding strength between steel structures and concrete cement.

Applicable model: pull-arc stud welding machine