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Samenvatting Remsystemen en wielgeleiding 3 remtechnologie
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Samenvatting van Remsystemen en Wielgeleiding 3 Onderdeel: Remtechnologie 1ste fase Autotechnologie VIVES Kortrijk
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REMSYSTEMEN EN WIELGELEIDING:3 REMTECHNOLOGIE
Samenvatting
TUUR DE BRABANDER
1ATAC
,INHOUDSOPGAVE
1. Inleiding ...................................................................................................................................................................................... 1
1.1. Wettelijke eisen ............................................................................................................................................................ 1
1.2. Remtijden ..................................................................................................................................................................... 2
1.3. Hydraulische remsysteem ............................................................................................................................................ 2
1.4. Lucht en water in het remsysteem ............................................................................................................................... 2
1.5. Aan het remsysteem verbonden consequenties .......................................................................................................... 3
2. Remsystemen ............................................................................................................................................................................. 3
3. Hoofdremcilinder ....................................................................................................................................................................... 4
3.1. Enkelvoudig hoofdremcilinder ..................................................................................................................................... 4
3.2. Tandemhoofdremcilinder ............................................................................................................................................. 6
4. De trommelrem .......................................................................................................................................................................... 7
4.1. Opbouw en werking van een trommelrem .................................................................................................................. 7
4.2. Wielremcilinders .......................................................................................................................................................... 8
4.3. Zelfbekrachtiging van de trommelremmen .................................................................................................................. 8
4.4. Soorten trommelremmen ............................................................................................................................................ 9
5. De schijfrem.............................................................................................................................................................................. 10
5.1 Opbouw en werking van een schijfrem ...................................................................................................................... 10
5.2 Soorten schijfremmen ................................................................................................................................................ 10
5.3 Het regelen van de schijfrem ..................................................................................................................................... 11
5.4 Het piepen van de schijfrem....................................................................................................................................... 12
5.5 Bijzonderheden bij de schijfrem ................................................................................................................................. 13
6. Verschilpunten tussen schijfrem en trommelrem .................................................................................................................... 14
7. Parkeerrem (handrem) ............................................................................................................................................................. 15
7.1. De manuele parkeerrem ............................................................................................................................................ 15
7.2. De elektrische parkeerrem ......................................................................................................................................... 16
8. De remvoering .......................................................................................................................................................................... 17
8.1. Het wrijvingsmateriaal ............................................................................................................................................... 17
8.2. De vezel ...................................................................................................................................................................... 17
8.3. Bindmiddels ................................................................................................................................................................ 17
8.4. Toevoegmaterialen .................................................................................................................................................... 17
8.5. Inrijden van remvoeringen ......................................................................................................................................... 18
8.6. Samenvatting.............................................................................................................................................................. 18
9. Verklikkers ................................................................................................................................................................................ 18
9.1. Remvoering ................................................................................................................................................................ 18
9.2. Remvloeistof en handrem .......................................................................................................................................... 18
9.3. Drukverlies.................................................................................................................................................................. 18
9.4. Remlichtschakelaar .................................................................................................................................................... 19
10. Remvloeistoffen ....................................................................................................................................................................... 19
11. Remkrachten ............................................................................................................................................................................ 20
, 11.1. De krachtoverbrenging tussen band en wegdek ........................................................................................................ 20
11.2. Asbelasting tijdens het remmen ................................................................................................................................. 20
11.3. De optimale (ideale) remkracht ................................................................................................................................. 22
11.4. Het ideale remkrachtendiagram ................................................................................................................................ 22
11.5. Het werkelijke remkrachtendiagram .......................................................................................................................... 24
11.6. Koersstabiliteit tijdens het remmen ........................................................................................................................... 26
12. Berekening van een elementair remsysteem ........................................................................................................................... 27
13. Remdrukbegrenzers en –regelaars........................................................................................................................................... 27
13.1. Remdrukbegrenzers ................................................................................................................................................... 27
13.2. Remdrukregelaars ...................................................................................................................................................... 28
13.3. Lastafhankelijke regelaars .......................................................................................................................................... 28
14. De vacuüm rembekrachtiger .................................................................................................................................................... 29
14.1. Doel van de rembekrachtiger ..................................................................................................................................... 29
14.2. Werkingsprincipe vacuüm rembekrachtiger .............................................................................................................. 29
15. Controle van de remmen ......................................................................................................................................................... 32
15.1 Onderhoud ................................................................................................................................................................. 32
15.2 Meest voorkomende storingen .................................................................................................................................. 32
15.3 Remmentestbank ....................................................................................................................................................... 33
15.4 Remmentest bij de autokeuring (voor voertuigen met een MTM ≤3500kg) ............................................................. 33
15.5 Remmentest met Maha testbank van VIVES .............................................................................................................. 33
, Passieve veiligheden (vb: airbag, kreukelzone) treedt in bij een ongeval, probeert letsels te voorkomen
Actieve veiligheden (vb: ABS, traction control) altijd actief, ongevallen proberen te voorkomen
Remkracht:
FB= 𝜇 * G
FB: remkracht 𝜇: wrijvingscoëfficiënt G: gewicht wagen
1. INLEIDING
1.1. WETTELIJKE EISEN
Remsysteem 1 vd 3 belangrijkste veiligheidsitems
Gewicht dat in beweging is, bezit een zekere hoeveelheid energie
Remmen wagensnelheid
1.1.1. WETGEVING
Een personenwagen met de bedrijfsrem
Remvertraging van 5,8m/s
Pedaalkracht: 500N
Parkeerrem
Vertraging van 1,5m/s
Kracht van 400N op de hefboom
Personenwagen moet op een helling van 18% blijven staan
Maximum remkracht
Hangt af vh remsysteem
Liggen vh zwaartepunt
Wielophanging
Gewicht vd wagen
Een remkracht van 5,8m/s wagensnelheid met 5,8m/s 20,88km/h
Na elke seconde wagen ± 20km/h trager
22𝑚/𝑠 (=±80𝑘𝑚/ℎ)−0𝑚/𝑠
Gemiddelde snelheid tijdens het remmen: 2
= 11m/s
Maximum remweg 4s * 11m/s= 44m
Remsystemen en wielgeleiding Remtechnologie 1
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