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.

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Etiquetas Relacionadas
Soldering TechniquesElectronic TipsGold TungstenLanthanum AlloyContamination-FreeProfessional FinishDIY ElectronicsSoldering PracticeTechnical TutorialCraftsmanshipQuality Control
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