6
-LABORATORIYA ISHI. DUMALASH PO D SH IPN IG ID A G I
ISHQALANISH M OM ENTINI ANIQLASH.................................. 163
IV bob.
TRIBOTEXNIK MATERIALLAR VA ULARNI
TANLASH
4.1. Tribotexnik materiallami vazifasiga qarab turlash.....................166
4.2. Ishqalanish uzelini loyiiualashda material tanlash.....................168
4.3. Antifriktsion materiallar va ulami tanlash.................................. 170
4.4. Friktsion materiallar va ulami tanlash......................................... 175
4.5. Tribotexnika materiallaming sirt g'adir-budirligi ko‘rsat-
kichlarini o ‘lchash usullari......................................................................177
4.5.1. Ishqalanish sirtlarini tekshirish usullari.....................................179
4.6. Tribotexnik materiallami ishqalanish
va yeyilishga sinash
m ashinalari.............................................................................................. 180
4.6.1. Sinash mashinalarining turlari................................................... 180
7-LABORATORIYA ISHI SIRPANIB ISHLOVCHI DETAL
LAR MATERIALLARINI ABRAZIV YEYILISHGA SIN A SH ....191
6
-AMALIY ISHI. DUMALAB
SIRPANIB ISHQALANUVCHI
JU FTLIK DETALLARI ABRAZIV YEYILISHIGA SINA SH.....193
7-AMALIY ISHI. FRIKLIION MATERIALLARNI YEYILI
SHIGA SINASH......................................................................................197
V bob.
ISHQALANUVCHI UZELLARNING TRIBOTEXNIK
XUSUSIYATLARINI YAXSHILASH
5.1. Ishqalanuvchi sirtlarda saylanmali ko'chish............................... 200
5.2. Ish sharoitini yaxshilashga doir konstruktiv usullar.................. 206
5.3. Ishqalanish sharoitini yaxshilashning
detallarini tayyorlash
davridagi texnologik usullar................................................................... 216
5.3.1. Detallarni kesib ishlashda chidamli qilish................................ 216
5.3.2. Detail sirtini plastik deformatsiyalash....................................... 218
5.3.3. Yeyilishga chidamlilikni termik
va kimyoviy-termik ishlov
yo‘li bilan oshirish................................................................................... 219
5.4. Ishlatish sharoitida mashina detallarining
yeyilishi va uni oldini
olish............................................................................................................
222
5.4.1. Issiq iqlim sharoitida va yuqori
chinglikda ishqalanish
qismlarini ishlatish xususiyatlari...........................................................
222
5.4.2. Detallaming ishlatish sharoitida yeyilish xususiyatlari........... 223
5.4.3. Ishlatish sharoitida yeyilishga qarshilikni ta ’minlash
usullari........................................................................................................224
5.4.4 Tribotexnikani rivojlanish istiqbollari......................................... 227
8
-LABORATORIYA ISH I.................................................................... 228
9-LABORATORIYA I S H I ................................................................... 233
Ю-LABORATORIYA ISHI.................................................................. 235
FOYDALANGAY ADABIYOTLAR
......................................................250