Tuzatish moyi yaxshiroq, tanlov mezonlari

Avtotransport vositasi juda murakkab qurilma, uning dizayni turli xil mexanizmlar va elementlarning massasini o'z ichiga oladi. Ish jarayonida barcha tarkibiy qismlar bir-birlari bilan o'zaro ta'sir qiladi, shuning uchun ishqalanish paydo bo'ladi. Vaqt o'tishi bilan ushbu jarayonning davomiyligi bir xil stsenariyning oldini olish uchun bir xil tugunning tarkibiy qismiga zarar etkazishi mumkin, shuning uchun bunday stsenariyning oldini olish, mexanik tugunlarda ishlatiladi. Ushbu kompozitsiyalar asosan avtomobil va boshqaruv mexanizmlarini uzatish elementlarini moylash uchun ishlatiladigan uzatish moyini o'z ichiga oladi. Bu haqda maqolada.

Transmissiya moylari, talablar uzatish moylariga qo'yiladi

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Elektr uzatish quyidagi transport vositalarida ishlatiladi:

  1. Transfer ishi.
  2. Uzatish qutisi.
  3. Etakchi va oraliq ko'priklar.
  4. Resed va qurtlarni boshqarish.

Transmissiya moylari quyidagi funktsiyalarni bajarish uchun mo'ljallangan:

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  1. Ishqalanish yuzalaridan issiqlikni engish.
  2. Ishqozlanish yuzalarini amortizatsiya qilishni oldini oling va ishqalanishning yo'qolishini kamaytiring.
  3. Tishli shirkaklar, shovqin va tebranishlarga qisqartirildi.
  4. Korroziyadan himoya qilish va ishqalanish joylaridan kiyish mahsulotlarini olib tashlash.

Quyidagi talablarni uzatish moyiga taqdim etiladi:

  1. Etishmovchilik.
  2. Olovli xavf.
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  3. Optimal antipa xususiyatlari.
  4. Qo'llash va saqlaganda barqarorligi.
  5. Kauchuk mahsulotlarini yo'q qilmaydigan va korroziyaga olib kelmaydigan yaxshi yog'lash xususiyatlari.
  6. Pastda past harorat.
  7. Yaxshi harorat va yopishtiruvchi xususiyatlar.

Uzatish moyini tanlash uchun asosiy mezon nima

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Transmissiya moylari, birinchi navbatda yopishqoqlik darajasi (SAE) bilan tasniflanadi. Bundan tashqari, transport vositasi (APL tomonidan) ishlaydigan shartlarga rioya qilish darajasi katta ahamiyatga ega.

Sae uzatish moylari uch toifaga bo'linadi:

  1. Mavzuni elektr uzatish moyi (80w-140, 75W-90).
  2. Yozgi uzatish moyi (250w, 140w, 90w, 85w, 80w).
  3. Qishki elektr uzatish moyi (85w, 80w, 75w, 70w).

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APL ma'lumotlariga ko'ra, uzatish moylari etti guruhga bo'linadi, ammo eng keng tarqalgan:

  1. Gl-4 - uzatish kichik yuklar sharoitida ishlaydigan bo'lsa, yaxshi mos keladi.
  2. Gl-5 - faqat qattiq uzatish shartlari uchun mo'ljallangan.

Mineral uzatish moyi, qadr-qimmati va kamchiliklari

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Mineral oqim moylarining afzalliklari:

  1. Samaradorlik.
  2. Yuqori eriydi.
  3. Arzon.
  4. Lak mahsulotlarining paydo bo'lishidan himoya qilish.

Mineral uzatishning etishmasligi past haroratlarda qalin.

Sintetik uzatish moyi, qadr-qimmati va kamchiliklari

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Sintetik uzilish moylarining foydasi:

  1. Gidrolitik barqarorlik.
  2. Ishlash haroratining maqbul diapazonlari.
  3. Past haroratlarda suyuqlikni tejash.
  4. Yuqori yopishqoqlik indeksi.
  5. Gidrolitik barqarorlik.

Sintetik uzatish moylarining kamchiliklari:

  1. Yonma lok mahsulotlarining paydo bo'lishining yonida.
  2. Qo'shimchalarning past etuklik.
  3. Nisbatan yuqori narx.

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Elektr uzatish moyining yopishqoqligi, harorat rejimida moyning yopishqoqligi roli

Transmyon moyining maqbul yopishqoqligi uning doimiy ravishda va uzluksiz ravishda mexanizmlarning sirtini, shuningdek bir-birining elementlarining joylarini keskin moylash qobiliyatiga ta'sir qiladi. Bu translyatsiyaning texnik xususiyatlari, chunki tishlardagi yuk va slip tezligi yopishqoqlik suyuqligi qo'llanilishi kerakligini aniqlaydi. Darhaqiqat, yopishqoqlikning ko'payishi sharoitida moyni moylash yomonlashishi mumkin. Shuningdek, yopishqoqligi elementlarning ishlash muddati - zarur yoki kerakli yopishqoqlik bilan yog'i o'z hayotlarini kengaytiradi.

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Kerakli yopishqoqlik xususiyatlari bilan yog 'transport vositasi havo harorati past bo'lgan joydan teginish ehtimolini ta'minlaydi, gidravlik yo'qotishlarni kamaytiradi, yoqilg'i sarfini kamaytiradi va elektr energiyasini pasaytiradi. Agar moyning yopishqoqligi mos kelmasa, unda debriyaj va vites qutisining tafsilotlarining buzilishi mumkin.

Uzatish moyining muzlatilgan harorati

Translatsiya yog'larining soddaligi harorati harorat, uning harorati harakatchanlikni to'liq yo'qotadigan haroratdir. Qoida tariqasida, yozgi uzatish haroratida --5 daraja, qishda esa 20 darajaga qadar muzlatilgan.

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Transmissiya moylari sinflari

Bugungi kunga qadar chet elda uzatma neft tasniflari mavjud. Ularning eng mashhuri API va SAE. Mamlakatimizda, operatsion guruhlar va yopishqoqlik sinflarini ajratish, shuningdek, standart belgilar o'rnatish, GOST-1749.2-85. Ushbu standartga ko'ra uzatish moylari 100 daraja haroratda yopishqoqlikning qiymatiga bog'liq - 9, 12, 18, 34 va tezkor xususiyatlarning qo'llanilishi va operatsion xususiyatlari darajasi - 5 guruhga bo'linadi: 1, 2, 3, 4, 5.

API markasida qanday uzatilish moyi ko'pgina mashinalar uchun mos keladi

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Advancing APIS - bu quyidagi darslar - gl4 va gl5. Ushbu kiyimga qarshi va ansaniyaviy xususiyatlarga nisbatan qat'iy talablar. Zamonaviy avtomobillar uchun elektr uzatish suyuqligini kamida gl4 va eng yangi xorijiy avtomobillar uchun - GL5 ni belgilash kerak.

Avtomatik uzatish uchun neftni qo'lda uzatish uchun mos bo'ladimi yoki yo'qmi

Avtomatik translyatsiyalar uchun moylar "Mexanika" uchun moylardan juda farq qiladi, chunki ular ko'pikli va yopishqoqlik uchun maxsus talablarga ega. Eng muhimi ko'pikli. "Avtomatota" uchun moylar "mexanika" dan farqli o'laroq, xalqaro standartlar mavjud emas. Etakchi avtomobil ishlab chiqaruvchilari o'zlarining talablari va tasniflarini ishlab chiqdilar. Bundan tashqari, atf (avtomat uzilish uchun moylar) bitta xususiyatga ega. Tasodifan ularni "mexanika" ga qo'llamaslik uchun ular printsipial bo'lmagan holda, ular sezilarli rang bilan, qoida tariqasida, qizil rang bilan, qizil rang bilan.

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Maslahatlar prof.

Bir yoki boshqa yuqumli yog'ni kompyuterga texnik hujjatlardan ustun qo'yish uchun. Shuni ta'kidlash kerakki, ko'plab mashinalarda moyni vites qutisiga almashtirish muddati eng yuqori blokning o'zi uchun tengdir. Ammo yuqtirish moyini har 5-6 yil ichida kamida bir marta o'zgartirish maqsadga muvofiqdir.

Izohlar