2 i-bob. Himoya gazlari muxitida payvandlash aparatining uskunalari va ularning ishlatilish sohalari

MUNDARIJA


KIRISH................................................................................................................... 2
I-bob.Himoya gazlari muxitida payvandlash aparatining uskunalari va ularning ishlatilish sohalari…………………………...… ................................... 4
1.1 Payvandlash aparatining konstrutiv tuzilishi. .................................................... 4
1.2 Payvandlash aparatining turlari.......................................................................... 5
1.3 Payvandlash aparatini tashkil etuvchi uskunalari............................................. 10
1.4 Himoya gazlari muxitida payvandlash usulining qo‘llanilish sohalari va ulardan foydalanishning afzallik va kamchiliklari ................................................ 14
I bob bo‘yicha xulosa. ........................................................................................... 17
II.bob. Himoya gazlari muxitida payvandlashda jarayonni boshqarish kontrollerlari va payvandlanadigan po'lat listning xarakteristikasi............... 18
2.1 Payvandlash jarayonini boshqarishda ishlatiladigan kontrollerlar .................. 18
2.1 Payvandlanadigan po'lat listning xarakteristikasi............................................. 20
II bob bo‘yicha xulosa............................................................................................ 25
III-bob. ………….…………................................................................................ 26
3.1 ……………………………………................................................................. 25
3.2 ……………..................................................................................................... 30
3.3 ……………………......................................................................................... 32
3.4 ……………………………………………………………… ........................ 34
3.5 …………………………….............................................................................. 40
IV bob Hayot faoliyati xavfsizligi........................................................................ 47
4.1 Himoya gazlari muxitida payvandlashda mexnat muxofazasi......................... 15
IV bob bo‘yicha xulosa. ........................................................................................ 61
Asosiy xulosa va takliflar .................................................................................... 62
Adabiyotlar ro’yxati............................................................................................. 63
Ilovalar .................................................................................................................. 70