Rulman muhandisligi - bu aylanadigan o'qlarni va boshqa mexanizmlarni qo'llab-quvvatlash uchun rulmanlarni loyihalash, ishlab chiqarish va ulardan foydalanish bilan shug'ullanadigan muhandislikning muhim sohasi. Rulmanlar silliq ishlash va past ishqalanishni ta'minlaydigan, ularning uzoq umr va optimal ishlashini ta'minlaydigan mashinalarning muhim tarkibiy qismlaridir. Rulman muhandisligining bir necha asosiy tamoyillari mavjud, jumladan:
1. Yuk ko'tarish quvvati: Rulmanlar zarar etkazmasdan ma'lum miqdordagi yukga bardosh berish uchun mo'ljallangan. Ular radial va eksenel yuklarni, shuningdek, noto'g'ri hizalanish yoki tebranish kabi boshqa har qanday tashqi kuchlarni bardosh bera olishlari kerak.
2. Soqol: to'g'ri moylash rulmanlarning ishlashi va uzoq umr ko'rishi uchun juda muhimdir. Yog'lar ishqalanish va eskirishni kamaytiradigan himoya plyonkasini ta'minlaydi, shuningdek issiqlikni tarqatishga yordam beradi. Qo'llash va ish sharoitlariga qarab har xil turdagi moylash materiallari, masalan, moylar yoki moylar ishlatilishi mumkin.
3. Rulman materiallari: Rulmanlar turli xil materiallardan, jumladan, metallar, polimerlar va keramikadan tayyorlanishi mumkin. Materiallar fizik va kimyoviy xossalari, shuningdek, moylash materiallari va atrofdagi muhit bilan mosligi asosida ehtiyotkorlik bilan tanlanishi kerak.
4. Tolerantlik va moslik: rulmanlar to'g'ri bardoshlik va mashinaning atrofidagi qismlarga mos kelishi uchun aniq ishlab chiqarilishi kerak. Yaxshi o'rnatish rulmanning ortiqcha o'yin yoki shovqinsiz yukni ko'tarishini ta'minlaydi.
5. Texnik xizmat ko'rsatish: rulmanlarning optimal ishlashi va uzoq umr ko'rishini ta'minlash uchun muntazam parvarishlash zarur. Yog'ni muntazam ravishda tekshirish va kerak bo'lganda almashtirish, rulmanlarda aşınma yoki shikastlanish belgilarini tekshirish kerak.
Umuman olganda, rulman muhandisligi ko'plab omillarni, jumladan, yuk ko'tarish qobiliyati, moylash, materiallar, bardoshlik va moslik va texnik xizmat ko'rsatishni diqqat bilan ko'rib chiqishni talab qiladigan murakkab sohadir. Ushbu asosiy printsiplarga rioya qilgan holda, muhandislar mashinalar va boshqa jihozlarning ishlashi va chidamliligini maksimal darajada oshiradigan podshipniklarni loyihalashlari va ishlab chiqarishlari mumkin.
| Rulman qismi raqami | hajmi (mm) |
| LM769340dwa/LM769310 | 418x571.5x336.55 |
| EE261650D/262450/262450XD | 419.1x622.3x317.5 |
| NP815821/NP359748/NP761158 | 420x620x355 |
| LM869449DGW/LM869410/ LM{2}}CD | 431.8x571.5x279.4 |
| EE239172DW/239227/239228XD | 431.8x571.5x279.4 |
| LM769349DW/LM769310/LM769310D | 431.8x571.5x336.55 |
| EE931170D/931250/ 931251XD | 431.8x635x355.6 |
| NP891819/NP241954/NP627036 | 431.8x635x355.6 |
| EE736173D/736238/736239D | 432.003x609.524x317.5 |
| NP460063/NP369269/NP112080 | 440x580x360 |
| NP834407/NP402991/NP677830 | 440x650x353.5 |
| m270749dgw/m270710/m270710CD | 447.675x635x463.55 |
| m270449dw/m270410/m270410D | 449.949x594.949x368 |
| m270448dgw/m270410/m270410D | 449.948x594.949x368 |
| nP720022/nP720023 | 450x595x415 |
| ee425176d/425299/425299D | 456.794x761.873x527.05 |
| ee671798d/672873/672875D | 457.073x730.148x419.1 |
| l770847dgw/l770810/l770810D | 457.2x596.9x279.4 |
| nP129155/nP344631/nP820547 | 457.2x596.9x279.4 |
| ee244181d/244235/244236CD | 457.2x596.9x279.4 |
| ee737179d/737260/737261D | 457.2x660.4x 323.85 |
| ee423181Xd/423296/423296D | 457.2x749.808x444.5 |
| m271149dgw/m271110/ m271110CD | 459.949x624.924x421 |
| Jl770549dgw/Jl770510/Jl770510CD | 460x586x266 |
| NP051296/ NP782588 | 460x590x360 |
| NP269618 /NP897314 | 475x600x368 |
| JM171649dgw/ JM171610 | 475x620x380 |
| Jlm371942dg /Jlm371914/ Jlm371914w | 475x620x380 |
| m272749dgw /m272710/ m272710cd | 479.425x679.45x495.3 |
| lm272249dgw/ lm272210 /lm272210cd | 482.6x615.95x330.2 |
| nP907965 /nP889064 | 482.6x615.95x419.25 |
| m272449dw /m272410 | 482.6x635x421 |
| m272647dgw /m272610/m272610d | 482.6x647.7x417.512 |
| lm272345dgw/lm272315/lm272316 | 482.6x615.95x500 |
| ee640193d/640260/640261cd | 488.95x660.4x361.95 |
| nP323192/nP335700/nP589146 | 488.95x679.45x444.5 |
| lm772749dgw/lm772710/lm772710cd | 489.026x634.873x320.675 |
| ee243193d/243250/243251d | 489.026x634.873x320.675 |






