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Презентация, доклад по английскому языку по теме Сварка
Содержание
- 1. Презентация по английскому языку по теме Сварка
- 2. WELDING
- 3. WELDINGСВАРКАRIGHTWARD WELDINGПРАВАЯ СВАРКАLEFTWARD WELDINGGAS WELDINGAUTOGENUOUS WELDINGRESISTANCE WELDINGBUTT
- 4. a process which provides a non-detachable joining
- 5. According to the movement of the torch,
- 6. GAS WELDINGGas welding is a non-pressure process
- 7. In autogenous welding the source of heat
- 8. Thermit welding is used in repairing rails, frames, etc.
- 9. Resistance welding is a process consisting of
- 10. Butt welding may be applied for welding pipes, rods, etc.
- 11. Arc-weldingwas invented in 1802 by the famous
- 12. Spot welding is used for welding parts of automobiles, refrigerators and airplanes
- 13. Autogenious weldingArc weldingThermit weldingButt weldingSpot weldingGas weldingtorchResistnce welding
WELDING
Слайд 3WELDING
СВАРКА
RIGHTWARD WELDING
ПРАВАЯ СВАРКА
LEFTWARD WELDING
GAS WELDING
AUTOGENUOUS WELDING
RESISTANCE WELDING
BUTT WELDING
ARC-WELDING
SPOT WELDING
TORCH
ADDITIVE
ЛЕВАЯ СВАРКА
ГАЗОВАЯ СВАРКА
АВТОГЕННАЯ
СВАРКА
КОНТАКТНАЯ СВАРКА
СВАРКА ВСТЫК
ДУГОВАЯ СВАРКА
ТОЧЕЧНАЯ СВАРКА
ГОРЕЛКА
ПРИСАДКА
Слайд 4a process which provides a non-detachable joining of two like metal
pieces by heating them till melting condition
WELDING
Слайд 5According to the movement of the torch, welding may be divided
into rightward welding and leftward welding.
In rightward welding the torch moves ahead of the additive
In leftward welding the additive moves in front of the torch
In practice rightward welding is mostly used
Слайд 6GAS WELDING
Gas welding is a non-pressure process using heat from a
gas flame
Gas welding may be used for cutting metals and repairing agricultural machines and implements.
Gas welding may be used for cutting metals and repairing agricultural machines and implements.
Слайд 7In autogenous welding the source of heat is the gas flame
obtained from a gas which is often acetylene.
Слайд 9Resistance welding is a process consisting of heating metals to be
welded to their plastic temperature and then applying mechanical pressure for achieving a non-detachable joining
Слайд 11Arc-welding
was invented in 1802 by the famous Russian scientist V.V. Petrov
It is the most important welding process for joining steels
Слайд 13Autogenious welding
Arc welding
Thermit welding
Butt welding
Spot welding
Gas welding
torch
Resistnce welding
