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Summary Tegnologie opsomming Graad 9 Kwartaal 2 CAPS R99,00
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Summary Tegnologie opsomming Graad 9 Kwartaal 2 CAPS

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Die volgende opsommings sluit in: Hidroulika Eienskappe van vloeistof Beginsels van Hirdoulika 1 Beginsels van Hirdoulika 2 Nuwe woorde

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  • No
  • Kwartaal 2
  • September 21, 2021
  • 8
  • 2022/2023
  • Summary
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LeerNou
Hidroulika
Doel:
• Om jou werk te vergemaklik wanneer ‘n groot taak verrig moet word bv:
- kar op te ligz
- slote te grawe vir afvoerpype
- boumateriale op en af te laai
- vullis in vragwa te laai
• Ons wil dus ‘n klein krag in ‘n groot krag omskep.
• Dus kan ons vloeistof soos olie of water in silinders gebruik.
• Die gebruik van vloeistof om meganiese voordeel te verkry, word hidroulika genoem.

Voor en nadele van hidroulika
Voordele:

1. Kragte uitoefen op plekke wat moeilik is om te bereik.
2. Betreklike klein krag baie vermenigvuldig kan word.
3. Kan lineere beweging presies beheer.

Nadele:

1. Dit is baie duur, omdat dit sterk en swaar komponente nodig het wat hoe druk kan weerstaan.
2. As gevolg van die hoe druk kan hidrouliese stelsels ook gevaarlik wees.

Gebruike
Waar word dit gebruik:

• Domkragte
• Remme
• Hystoestel in garages
• Boumasjinerie
• Kontroleklappe van vliegtuie

Word ook gebruik in nywerhede:

• Mynwese
• Bouwerk
• Motorvoertuie
• Lugvaart
• Masjienbou
• Onderhoudsbedrywe

, Algemene gebruike
Hidrouliese stelsels word dus algemeen gebruik vir die volgende aanwendings:

• Hys
• Stoot
• Trek
• Druk
• Pers
• Sny



Eienskappe van vloeistof
• Vloeistof is nie saampersbaar nie
• Vloeistof versprei druk eweredig



Beginsels van hidroulika 1
Hidro = water (vloeistof)

1. Krag word deur behulp van ‘n vloeistof oorgedra
2. Wanneer vloeistof soos olie en water in ‘n silinder of buis is, sal ‘n krag wat by die een punt op
die vloeistof uitgeoefen word deur die vloeistof beweeg.
3. Die krag sal dan by die ander punt deur die vloeistof uitgeoefen word.
4. Dit gebeur omdat vloeistof nie saamgepers kan word nie.

Beginsel

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