Preračun gredi po metodi končnih elementov in standardu DIN743
zaključna naloga Univerzitetnega študijskega programa I. stopnje Strojništvo - Razvojno raziskovalni program
Abstract
Avto je eden najpogosteje uporabljenih prevoznih sredstev. Uporabljamo ga za krajše in daljše poti po vsem svetu. Seveda pa vsak njegov del ni popolnoma zanesljiv. Zanimalo nas je, kaj se dogaja v avtomobilskem menjalniku. Proučili smo, kakšne sile delujejo na zobnike in kako je gred obremenjena med delovanjem avtomobila. Gred je obremenjena z upogibnimi in s torzijskimi napetostmi. Upogibne napetosti povzročajo sile na zobniških dvojicah, torzijske napetosti pa povzroča vrtilni moment na pogonski gredi, ki gre iz motorja in poganja celoten avtomobilski menjalnik. Na primeru pogonske gredi avtomobilskega menjalnika smo ugotovili kritične elemente in definirali kritična mesta na pogonski gredi. Preračun je bil izveden po metodi končnih elementov (MKE) ter po standardu DIN 743, ki popisuje razmere v kritičnih mestih na pogonski gredi.
Keywords
diplomske naloge;ročni menjalniki;gredi;zobniki;metoda končnih elementov;standard DIN 743;
Data
| Language: | Slovenian |
|---|---|
| Year of publishing: | 2023 |
| Typology: | 2.11 - Undergraduate Thesis |
| Organization: | UL FS - Faculty of Mechanical Engineering |
| Publisher: | [A. Prezelj] |
| UDC: | 621.824:621.833:519.61(043.2) |
| COBISS: |
172456195
|
| Views: | 144 |
| Downloads: | 22 |
| Average score: | 0 (0 votes) |
| Metadata: |
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Other data
| Secondary language: | English |
|---|---|
| Secondary title: | Shaft calculation using the finite-element method and calculation according to DIN743 |
| Secondary abstract: | A car is one of the most commonly used means of transportation. It is used for both short and long journeys all around the world. However, not every part of it is completely reliable. The objective of a thesis was to understand, what happens inside an automotive gearbox. The forces acting on the gears were studied and the shaft loading during an operation of the car was investigated. The shaft is subjected to bending and torsional stresses. Bending stresses are caused by forces on gear pairs, while torsional stresses are caused by the rotational torque on the driveshaft, which comes from the engine and powers the entire automotive gearbox. Using the example of the driveshaft in the automotive gearbox, critical components were identified and critical locations on the driveshaft were selected. The analysis was performed using the finite element method (FEM) and according to the DIN 743 standard, which describes the conditions at critical points on the driveshaft. |
| Secondary keywords: | thesis;manual transmissions;shafts;gears;finite-element analysis;DIN 743 standard; |
| Type (COBISS): | Final paper |
| Study programme: | 0 |
| Embargo end date (OpenAIRE): | 1970-01-01 |
| Thesis comment: | Univ. v Ljubljani, Fak. za strojništvo |
| Pages: | XII, 32, [4] f. |
| ID: | 19912921 |
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