Introduction to Welding Techniques
This content covers various welding techniques, such as arc welding, oxyacetylene welding, laser welding, and more. It discusses the materials used, methods employed, safety measures, and the roles of different gases in the welding process. Readers can explore different welding points, filler rods, energy beam welding, and the importance of protective measures. Dive into the world of welding with this informative material.
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Presentation Transcript
3/1 The video task http://www.youtube.com/watch?v=RyLvVMg84xs In welding we join metals by adding a third material The resulting product is not a homogenous unit Never cut or manipulate with the product ... There is only one way to weld and it is arc welding The welder uses oxyacetylene torch and a filler rod ... When welding no protective glasses are used The welder presents laser welding When the steel is heated it is green T/F T/F T/F T/F T/F T/F T/F T/F 1. 2. 3. 4. 5. 6. 7. 8.
Answers 1. T In welding we join metals by adding a third F The resulting product is not a homogenous unit F Never cut or manipulate with the product it is F There is only one way to weld and it is arc welding T The welder uses oxyacetylene torch and a filler rod 6. F When welding no protective glasses are used F The welder presents laser welding F When the steel is heated it is green 2. 3. 4. 5. 7. https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcRDbdS0nYGKTVUGj-OsvjTHn5QdXj3rKvnI30fG0tAblH-5q9JM1w 8.
Listening and reading task 3/2 Read and listen to the text. 3/3 Find the terms to the following definitions carbon dioxide* resistance welding* welding point* arc welding* oxygen* laser beam* energy beam welding* filler rod* argon* oxyacetylene* welding* welding torch* 1. M sto spoje dvou materi l 2. Rychl metoda sva ov n vyu vaj c p esn zac len .. 3. Velice v konn proud sv tla pou van v modern m, 4. Materi l p id van do taven ho m sta . 5. Proces vyu vaj c elekt inu k vytvo en elektrick ho oblouku .. 6. Plyn vytv ej c aktivn ochrannou atmosf ru 7. Druh sva ov n vyu vaj c vzn cen acetyl nu 8. Z kladn plyn vyu van p i sva ov n plamenem . 9. Druh sva ov n , kter vytv teplo t m, e elektrick 10. Inertn plyn, kter se pou v jako ochrann atmosf ra p i sva ov n .. 11. st sva ovac ho za zen , kter dr a se kter m manipuluje sv e ..
Answers 1. welding point* M sto spoje dvou materi l 2. energy beam* Rychl metoda sva ov n vyu vaj c p esn 3. laser beam welding* Velice v konn proud sv tla . 4. filler rod* Materi l p id van do taven ho m sta 5. arc welding* Proces vyu vaj c elekt inu k vytvo en .. 6. carbon dioxine* Plyn vytv ej c aktivn ochrannou . 7. oxyacetylene welding* Druh sva ov n vyu vaj c vzn cen 8. oxygen* Z kladn plyn vyu van p i sva ov n . 9. resistance welding* Druh sva ov n , kter vytv teplo . 10. argon* Inertn plyn, .. 11. welding torch* st sva ovac ho za zen .
3/4 Find the terms to the following definitions carbon dioxide* resistance welding* welding point* arc welding* oxygen* laser beam* welding* energy beam welding* filler rod* argon* oxyacetylene welding* welding torch* 1. 2. The process using a power supply . 3. The gas forming an active protective . 4. The method of welding that generates . 5. A very powerful line of light that is used . 6. A material that is added to the welding . 7. The welding process employing the combustion . 8. The basic gas used at oxyacetylene welding . 9. The inert gas acting as a protective welding atmosphere . 10. The fast method of welding using a highly . The place in which two materials are joined .
Answers carbon dioxide* resistance welding* arc welding* oxygen* laser beam welding* energy beam welding* filler rod* oxyacetylene welding* welding torch* 1. The place in which two . 2. The process using a power supply . 3. The gas forming an active protective . 4. The method of welding that generates . 5. A very powerful line of light that is used . 6. A material that is added to the welding . 7. The welding process employing the combustion . 8. The basic gas used at oxyacetylene welding . 9. The inert gas acting as a protective . 10.The fast method of welding using a highly .
Describe the parts https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcSgGQL83qfH_5kYzRDXl_X3HJ8cj9CQ-kX2hkJ53ArM2uBSN5f9
Answers Welding machine https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcSgGQL83qfH_5kYzRDXl_X3HJ8cj9CQ-kX2hkJ53ArM2uBSN5f9 Protective gloves Work-piece Welding torch Weldling point Filler rods
3/6 Work out a dictionary Work out a dictionary for each bold expression in this unit. Put it into alphabetical order Find phonetic transcription Write it into your text book
