KIRISH ..................................................................................................... 3
I BOB. TIKUV MASHINALARINING MOKI MEXANIZMI ISHCHI
QISMLARINING KONSTRUKSIYASINI TAKOMILLASHTIRISH
BO‘YICHA OLIB BORILGAN ISHLARNING ADABIYOT TAHLILI... 11
1.1-§. Tikuv mashinalarining moki mexanizmi konstruksiyasi va ularning
ishlash prinsipi .................................................................................................... 11
1.2-§. Tikuv mashinalarining texnologik jihatdan sinflanishi .................. 16
1.3-§. Moki baxyali tikuv mashinalarining tuzilishi ................................ 17
1.4-§. Tikuv mashinasi baxyalari va baxyaqatorlar ................................. 21
1.5-§. Mokili baxyali tikuv mashinalari ishlash jarayonida yuzaga
keladigan muammolar va ularni hal qilish usullari ............................................ 28
Birinchi bob bo‘yicha xulosalar ............................................................... 32
II BOB. TIKUV MASHINASINING MOKISINI PUXTALASHNING
NAZARIY TADQIQI ....................................................................................... 34
2.1-§. Texnologik mashina va jihozlar detallarini azotlash va borlash
jarayonining nazariy asoslari .............................................................................. 34
2.2-§. Tikuv mashinalari g‘altagi uyasini azotlash - borlashdan keyin
kontak zonasidagi haroratni hisoblashning matematik modeli ........................... 36
2.3-§. Tikuv mashinalarining mokisiga kimyoviy - termik ishlov berishda
issiqlik kuchlanishi va deformatsiyasining tadqiqi ............................................. 45
2.4-§. Tikuv mashinalarining moki g‘altagiga kimyoviy - termik ishlov
berishda issiqlik kuchlanishi va deformatsiysining tadqiqi ................................ 55
Ikkinchi bob bo‘yicha xulosalar ............................................................... 61
III BOB. “JUKI” TIKUV MASHINASI MOKISINIG ISHCHI
YUZASINI IONLI AZOTLASH VA BORLASH YORDAMIDA
PUXTALASH BO‘YICHA OLIB BORILGAN ESPERIMENTAL
TADQIQOTLAR .............................................................................................. 63
3.1-§. Mokilarni elektrolit - plazmada diffuzion to‘yintirishning asoslari va
uning ahamiyati .................................................................................................. 63
2
3.1.1-§. Elektrolitik plazmali azotlashning fizikaviy mohiyati ................ 76
3.2-§. Mokini vakuum muhitida elektron nur bilan azotlash texnologik
jarayoni ustida bajarilgan eksperimental tadqiqotlar .......................................... 69
3.3-§. Vakuum sharoitida elektron nurlar yordamida tikuv jihozi mokisini
azotlash bo'yicha olib borilgan eksperimental tadqiqotlar ................................. 76
3.4-§. Ishlab chiqarish jarayonida amalga oshirilgan eksperimental
izlanishlar va ularning natijalari ......................................................................... 87
Uchinchi bob bo‘yicha xulosalar .............................................................. 94
IV BOB. “JUKI” TIKUV MASHINASI MOKI ISHCHI YUZASINI
IONLI AZOTLASH VA BORLASH YORDAMIDA PUXTALASHNING
TO‘LIQ OMILLI STATATISTIK TAHLILI VA IQTISODIY
SAMARADORLIK HISOBI ........................................................................... 95
4.1-§. Tikuv mashinasining moki ishchi yuzasini ionli azotlash va borlash
yordamida termik ishlov berib puxtalashning to‘liq omilli statatistik tahlili ..... 95
4.2-§. Tikuv mashinasining moki ishchi yuzasini ionli azotlash va borlash
orqali puxtalash texnologiyasini qo‘llashning iqtisodiy samaradorligini
hisoblash ........................................................................................................... 108
To‘rtinchi bob bo‘yicha xulosalar .......................................................... 113
UMUMIY XULOSA VA TAVSIYALAR .......................................... 114
FOYDALANILGAN ADABIYOTLAR RO‘YXATI ........................ 116
