Solda TIG - Dicas iniciais para soldar alumínio

BrazilWelds - O canal da Soldagem

10 Oct 201608:35

Summary

TLDRThis instructional video script details the process of performing welding work using a tungsten electrode with lanthanum, which is golden in color, and of 2.4 or 3.2 millimeters diameter. The video instructs viewers to start by taking a piece of aluminum with a thickness of 3 to 5 millimeters and to make a scratch on it for good electrical contact. It emphasizes the importance of maintaining a clean and clear weld pool to ensure quality. The script also highlights various techniques such as maintaining the electrode at the right angle, using a sequence to avoid contamination, and adjusting the welding current for optimal results. The video concludes with a clean and clear weld, showcasing the effectiveness of the described methods without the use of any special cleaning products.

Takeaways

🛠️ The video demonstrates using a tungsten-lanthanum electronic with a golden color and a diameter of 2.4 or 1/32 inches for welding tasks.
🔨 The initial step involves taking a piece of aluminum with a thickness of 3 to 5 millimeters, and making a scratch on it to ensure good electrical contact for welding.
🌟 A 5-millimeter thick aluminum piece is used in the demonstration to show the welding process.
🔧 The importance of maintaining good electrical contact is emphasized for a flat and clean weld.
👨‍🔧 The video instructs to practice on a welding table to achieve a good electrical contact and a flat weld.
🔬 It mentions the use of a pencil to help with the welding process, although it could be lost, indicating the need for precision and care.
🎯 The presenter shares their preferred method of holding the torch without it, which might be easier and more secure.
🔥 The video explains the technique of 'drop-by-drop' welding, emphasizing a steady hand and a well-supported torch.
💧 The presenter advises on the correct way to clean the welding area to avoid contamination and ensure a clean weld.
📈 The script mentions adjusting the amperage if the welding pool is too low or if the transition is slow, indicating the need for flexibility in welding techniques.
🔍 The importance of observing the welding pool and adjusting the technique accordingly is highlighted, such as increasing the speed or amperage for better results.

Q & A

What type of soldering equipment is mentioned in the script?
-The script mentions using a tungsten electrode with lanthanum, which is gold in color, with diameters of 2.4 or 1.3/32 inches.
What is the thickness of the aluminum piece mentioned for the soldering process?
-The thickness of the aluminum piece mentioned in the script ranges from 3 millimeters to 5 millimeters, with a specific example of a 5-millimeter thick piece.
What is the importance of making a scratch on the aluminum piece before soldering?
-The scratch is made to ensure good electrical contact and to facilitate the soldering process by guiding where the solder will flow.
What does the script suggest to do to ensure a good electrical contact during soldering?
-The script suggests practicing on a soldering station to achieve a good electrical contact for the soldering position.
What technique is used to avoid contamination of the soldering process by the air?
-The script mentions keeping the soldering tip well inclined and using a sequence to protect the solder from contamination by the atmospheric air.
How does the script describe the soldering tip movement for a clean and clear solder joint?
-The script describes a technique called 'gota-a-gota', which involves a steady, drop-by-drop application of solder with the tip well supported.
What is the recommended angle for the soldering torch during the soldering process?
-The script suggests an angle of 0 to 10 degrees for the soldering torch to ensure proper heat distribution and avoid contamination.
What is the importance of cleaning the soldering tip after use?
-Cleaning the soldering tip after use is important to prevent contamination and maintain the quality of future solder joints.
What is the purpose of using a sequence in the soldering process as mentioned in the script?
-The sequence is used to organize the soldering process, ensuring that the solder is applied at the right time and in the correct amount for a clean and professional result.
How does the script suggest adjusting the soldering process if the solder is not flowing properly?
-The script suggests increasing the temperature, indicated by adjusting the 'benazzi', to ensure proper solder flow.
What is the final appearance of the soldered joint as described in the script?
-The final appearance of the soldered joint should be shiny, clear, and clean, without the need for any special cleaning products.

Outlines

00:00

🛠️ Welding Process with Tungsten and Lanthanum Alloy

The script describes a detailed welding process using a tungsten and lanthanum alloy, which is golden in color and comes in diameters of 2.4 or 13/32 inches. The first step involves taking a piece of aluminum with a thickness of 3 to 5 millimeters and making a groove in it. The focus is on ensuring good electrical contact for the weld. The video demonstrates the technique of welding, emphasizing the importance of maintaining contact and practicing on a flat surface. It also discusses the use of a carbon electrode and the correct way to hold the torch for a clean and effective weld. The script mentions the importance of keeping the welding area clean and free from contamination, and concludes with a demonstration of the proper way to use the welding torch and maintain the quality of the weld.

05:03

💡 Tips for Clean and Effective Welding

This paragraph provides additional tips for achieving a clean and effective weld. It starts by emphasizing the importance of a good cleaning action, which results in a brilliant appearance without the need for any special accessories. The script suggests using a flat chisel to make a groove and then practicing a sequence of steps to achieve a clean weld. It also points out common mistakes, such as a low amperage setting that can slow down the welding process and result in poor weld quality. The video offers a solution by increasing the amperage and adjusting the torch angle for better results. It also highlights the use of a variable trigger torch and a pedal for more control. The script concludes by showing the final appearance of the welds, which are bright, clear, and clean, without the use of any cleaning products, and thanks the viewers for watching, reminding them to like, share, and subscribe.

Mindmap

Keywords

💡Tungsten Electrode

A tungsten electrode is a non-consumable electrode made from tungsten, a metal with a high melting point, used in arc welding processes. It is characterized by its golden color as mentioned in the script. In the context of the video, the tungsten electrode is utilized for precision work in electronic soldering, which is crucial for creating a strong electrical connection.

💡Lanthanum

Lanthanum is a rare earth metal that is often alloyed with tungsten to improve the electrode's performance. It enhances the electrical conductivity and strength of the tungsten electrode. The script refers to a tungsten electrode with lanthanum, indicating the use of a high-quality material for the soldering process.

💡Aluminum Scrap

An aluminum scrap refers to a piece of aluminum material that is used in various manufacturing processes. In the video, a scrap of aluminum with a thickness of 3 to 5 millimeters is mentioned, which is the base material on which the soldering is performed. It is essential for the demonstration of the soldering technique.

💡Electrical Contact

Electrical contact refers to the physical connection between two conductors that allows the flow of electric current. The video emphasizes the importance of establishing a good electrical contact for soldering, which is fundamental for the solder joint's effectiveness and reliability.

💡Soldering Iron

A soldering iron is a hand tool used to melt solder and join metal parts by heating. The script mentions using a soldering iron for the soldering process, which is a key instrument in achieving the desired solder joint.

💡Solder

Solder is a metal alloy that melts at a relatively low temperature and is used to join metal parts together by forming a joint. The video script discusses the process of applying solder to create a strong and clean joint, which is a central theme of the soldering demonstration.

💡Contamination

Contamination in the context of soldering refers to the presence of unwanted substances that can degrade the quality of the solder joint. The video script mentions protecting the solder from atmospheric contamination, which is important for maintaining the integrity of the soldering process.

💡Soldering Technique

Soldering technique encompasses the methods and skills used to perform soldering effectively. The script describes various techniques such as 'gota-a-gota' (drop-by-drop) and maintaining the soldering iron at an angle, which are crucial for achieving a clean and professional solder joint.

💡Soldering Flux

Soldering flux is a chemical cleaning agent that removes oxides from metal surfaces and promotes the flow of solder. The video script refers to the use of flux, which is applied to the soldering area to ensure a clean and strong bond.

💡Cleaning

Cleaning in soldering involves removing residues and contaminants from the soldered area to ensure a neat and high-quality finish. The script highlights the importance of cleaning the soldering iron and the soldered joint to achieve a clear and bright appearance.

💡Safety

Safety in soldering refers to the precautions taken to protect the operator and the environment from potential hazards. The video script mentions changing the way of holding the soldering iron for safety, emphasizing the importance of safe practices during the soldering process.

Highlights

Utilization of a tungsten-lanthanum electronic with a golden color and diameters of 2.4 or 13/32 inches for the works.

Starting with a piece of aluminum with thicknesses ranging from 3 to 5 millimeters.

Creating a scratch on the aluminum piece to ensure good electrical contact for soldering.

Technique of using a flat tip for soldering to ensure a clean and effective connection.

The importance of maintaining good electrical contact for the soldering process.

Demonstration of soldering a flat surface and the technique used to achieve it.

Learning to handle the soldering iron and describe the process in art.

The method of holding the soldering iron and the importance of practice.

Changing the way of holding for safety and preference in different positions.

Technique of soldering with the torch inclined to ensure a clean solder joint.

The process of signing up for new access with carbon and the importance of the soldering technique.

Maintaining the soldering tip clean by using a sequence to avoid contamination.

Observing the formation of the solder joint and the importance of placing the soldering iron correctly.

Adjusting the temperature of the soldering iron to ensure proper solder flow.

The importance of cleaning the soldering tip to maintain a clear and bright appearance.

Using a sequence to avoid contamination from the atmospheric air during soldering.

Demonstration of the soldering process with a clear and clean solder joint.

Final appearance of the solder joint after the cleaning process, showing a bright and clear result.

The importance of not using any cleaning product and achieving a clean solder joint through proper technique.