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Samenvatting Afwerkingstechnieken

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Dit is een samenvatting over het vak afwerkingstechnieken. Het bestaat uit ongeveer 40 pagina's. Elke PowerPoint die gekend moest worden voor het examen in het jaar is samengevat, enkel PowerPoint 3 over het schuren niet.

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June 18, 2022
Number of pages
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2021/2022
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1. Presentatie 01 _ Inleiding en algemeenheden: ................................................................................................. 7
1.1. Factoren en kennis om kwaliteitsvol af te werken: ................................................................................... 7
1.2. Economische factoren of redenen: ............................................................................................................ 7
1.3. Waarom gaan we afwerken? (doelstellingen): .......................................................................................... 7
1.4. Waar afwerkingen toepassen?: ................................................................................................................. 7
1.4.1. Exterieur: ............................................................................................................................................ 7
1.4.2. Interieur: ............................................................................................................................................ 7
1.5. Handelingen bij het afwerken: ................................................................................................................... 8
1.5.1. Schuren: ............................................................................................................................................. 8
1.5.2. Borstelen: ........................................................................................................................................... 8
1.5.3. Zandstralen: ....................................................................................................................................... 8
1.5.4. Voorbehandelen: ............................................................................................................................... 8
1.5.5. Afwerken: ........................................................................................................................................... 8
1.6. Afwerkingen indelen: ................................................................................................................................. 8
1.6.1. Volgens laagopbouw: ......................................................................................................................... 8
1.6.2. Volgens uitzicht: ................................................................................................................................. 9
1.6.3. Volgens aanmaak: ............................................................................................................................10
1.6.4. Volgens gebruikte grondstoffen: .....................................................................................................10
1.6.5. Volgens applicatiemethode: ............................................................................................................10
1.6.6. Volgens uitharding of droging: .........................................................................................................10
1.7. Begrippen: ................................................................................................................................................11
1.7.1. Lazuren en lakken: ...........................................................................................................................12
1.7.1.1. Lazuren: ....................................................................................................................................12
1.7.1.2. Lakken: .....................................................................................................................................12
1.8. Applicatiemethoden: ...............................................................................................................................13
1.8.1. Borstel of kwast:...............................................................................................................................13
1.8.2. Rollen: ..............................................................................................................................................14
1.8.3. Conventioneel spuiten: ....................................................................................................................14
1.8.4. Airless spuiten: .................................................................................................................................15
1.8.5. Airmix spuiten: .................................................................................................................................15
1.8.6. Elektrostatisch spuiten: ....................................................................................................................16
1.8.7. 2K spuiten: .......................................................................................................................................16
2. Presentatie 02 _ Omgeving: .............................................................................................................................17
2.1. Natlakken of vernevelen: systemen:........................................................................................................17
2.2. PBM’s & CBM’s: soorten, gebruik, aanbeveling.......................................................................................17
2.2.1. PBM’s ...............................................................................................................................................17
2.2.2. CBM’s ...............................................................................................................................................18
2.3. Soorten spuitwanden en spuitcabines .....................................................................................................18

, 2.3.1. Droge spuitwand: .............................................................................................................................18
2.3.1.1. Andreas filter (papierfilter): .....................................................................................................18
2.3.1.2. Paintstopfilter: .........................................................................................................................18
2.3.1.3. Idrizzi filtersysteem: .................................................................................................................19
2.3.2. Natte spuitwand:..............................................................................................................................19
2.3.3. Open cabine’s:..................................................................................................................................19
2.3.4. Gesloten cabine’s: ............................................................................................................................19
2.3.4.1. Ventilatie: .................................................................................................................................20
2.3.4.2. Controles (Checklist): ...............................................................................................................20
2.4. Bijkomende ruimtes bij de afwerking: .....................................................................................................20
2.4.1. Opslag:..............................................................................................................................................20
2.4.2. Bereiding (benodigdheden, gebruik): ..............................................................................................20
2.4.2.1. Controle:...................................................................................................................................20
2.4.2.2. Mengverhouding: .....................................................................................................................21
2.4.3. Reiniging (benodigdheden, gebruik) ................................................................................................21
2.4.3.1. Wasinstallatie met pistool: ......................................................................................................21
2.4.3.2. Wasinstallatie ultrasoon: .........................................................................................................21
2.4.4. Spuiten: ............................................................................................................................................21
2.5. Omgevingsomstandigheden (klimaat) .....................................................................................................21
2.5.1. Controle, bijsturen, invloeden van temp, RLV & EVG ......................................................................21
3. Presentatie 03_Voorbereiding schuren: ..........................................................................................................22
3.1. Waarom schuren? Onderscheid wat en wanneer en waarmee? ............................................................22
3.2. Schuurtechnieken: aanbeveling ...............................................................................................................22
3.3. Aanbod schuurmiddelen ..........................................................................................................................22
3.3.1. Eigenschappen/gebruik of toepassing .............................................................................................22
3.3.2. Principe opbouw van het schuurmiddel (schets + uitleg) ................................................................22
3.3.3. Voorbeelden kunnen geven .............................................................................................................22
3.3.4. Voor- en nadelen kennen bij de verschillende schuurmiddelen ....................................................22
3.4. Handschuurmachine: ...............................................................................................................................22
3.4.1. Soorten met hun schuurpatroon .....................................................................................................22
4. Presentatie 04_Kleuren – Beitsen – Bleken: ....................................................................................................23
4.1. Kleuren of beitsen: ...................................................................................................................................23
4.1.1. Beitsen:.............................................................................................................................................23
4.1.2. Kleuren: ............................................................................................................................................24
4.1.2.1. Kleurstoffen:.............................................................................................................................24
4.1.2.2. Pigmenten: ...............................................................................................................................24
4.1.2.3. Methode’s: ...............................................................................................................................24
4.1.3. Soorten beitsen en kleuren: .............................................................................................................25

, 4.2. Bleken van hout: ......................................................................................................................................25
4.3. Inhoudstoffen van hout: ..........................................................................................................................26
5. Presentatie 05_Afwerkingsproducten en applicatietechnieken:.....................................................................27
5.1. Politoeren van hout: ................................................................................................................................27
5.2. Boenwassen: ............................................................................................................................................27
5.3. Olie en hardwaxolie: ................................................................................................................................27
5.3.1. Olie: ..................................................................................................................................................27
5.3.2. Hardwaxolie: ....................................................................................................................................28
5.3.3. Werkwijze:........................................................................................................................................28
5.4. Zepen: ......................................................................................................................................................28
5.4.1. WOCA systeem:................................................................................................................................28
5.5. Vernissen:.................................................................................................................................................29
5.6. Polijsten en hoogglans: ............................................................................................................................29
5.7. Borstelen: .................................................................................................................................................29
5.8. Luchtgommen of zandstralen: .................................................................................................................30
5.9. Ceruseren: ................................................................................................................................................30
5.10. Patineren: .............................................................................................................................................30
5.10.1. Handpatineren: ................................................................................................................................30
5.10.2. Spuitpatina: ......................................................................................................................................30
6. Presentatie 06_Drogen of uitharden van afwerkingsproducten: ....................................................................31
6.1. Fases in het droogproces: ........................................................................................................................31
6.2. Fysisch drogen:.........................................................................................................................................31
6.2.1. Invloeden: ........................................................................................................................................31
6.2.1.1. Temperatuur: ...........................................................................................................................31
6.2.1.2. Condensatie: ............................................................................................................................31
6.2.1.3. Luchtverversing - ventilatie: .....................................................................................................31
6.2.2. Hulpmiddelen: ..................................................................................................................................32
6.2.2.1. Verwarming: .............................................................................................................................32
6.2.2.2. Ventilatoren: ............................................................................................................................32
6.2.2.3. Luchtdrogers (condensatiedrogers: .........................................................................................32
6.2.2.4. Meetinstrumenten: ..................................................................................................................32
6.2.2.5. Droogtunnels:...........................................................................................................................32
6.2.2.6. Droogkamers: ...........................................................................................................................33
6.2.3. IR droging: ........................................................................................................................................33
6.3. Chemische uitharding: .............................................................................................................................33
6.3.1. EB uitharding: ...................................................................................................................................33
6.3.2. UV uitharding: ..................................................................................................................................33
7. Bijlag 6a_Versneld drogen van lak: ..................................................................................................................34

, 7.1. Geforceerd drogen: ..................................................................................................................................34
7.2. Hoe werkt droging?:.................................................................................................................................34
7.3. Droogtechnieken:.....................................................................................................................................34
7.4. Energiebesparende maatregelen: ............................................................................................................34
8. Presentatie 07_Afwerken van parket: .............................................................................................................35
8.1. Verschillende soorten parket: ..................................................................................................................35
8.2. Afwerking voor plaatsing: ........................................................................................................................35
8.3. Afwerking na plaatsing:............................................................................................................................35
8.3.1. Plaatsing: ..........................................................................................................................................35
8.3.2. Schrapen: .........................................................................................................................................35
8.3.3. Schuren: ...........................................................................................................................................35
8.3.4. Opstoppen:.......................................................................................................................................35
8.3.5. Soorten afwerkingen: .......................................................................................................................35
9. Bijlage 08_Schuren van diktekanten: ...............................................................................................................36
9.1. Vaste schuurmachines: ............................................................................................................................36
9.2. Mobiele schuurmachines: ........................................................................................................................36
10. Bijlage 09_Lakken van MDF: ........................................................................................................................37
10.1. Automatisering:....................................................................................................................................37
10.1.1. Waarom automatiseren: ..................................................................................................................37
10.1.2. Constante kwaliteit aan een hoger rendement: ..............................................................................37
10.1.3. Snelheid:...........................................................................................................................................37
10.2. 2D installatie met vlakke doorloopband: .............................................................................................37
10.2.1. Werking: ...........................................................................................................................................37
10.2.2. Spuitpistolen: ...................................................................................................................................37
10.2.3. Ontstoffingsunit: ..............................................................................................................................37
10.2.4. Overspray recupereren via rakel:.....................................................................................................37
10.3. Vlakke rollercoater: ..............................................................................................................................38
10.4. Curtain coater: .....................................................................................................................................38
10.5. 3D spuitinstallatie: ...............................................................................................................................38
10.6. Poederlakken van MDF: .......................................................................................................................38
10.6.1. Voordelen:........................................................................................................................................38
10.6.2. Nadelen: ...........................................................................................................................................38
11. Bijlage 12_Lakfouten:...................................................................................................................................39
11.1. Opwerken: ............................................................................................................................................39
11.1.1. Omschrijving: ...................................................................................................................................39
11.1.2. Oorzaken: .........................................................................................................................................39
11.1.3. Preventie: .........................................................................................................................................39
11.1.4. Herstel: .............................................................................................................................................39

,11.2. Wegzakken: ..........................................................................................................................................39
1.1.1. Omschrijving: ...................................................................................................................................39
1.1.2. Oorzaken: .........................................................................................................................................39
11.2.1. Preventie: .........................................................................................................................................39
1.1.3. Herstel: .............................................................................................................................................39
11.3. Blaasvorming: .......................................................................................................................................39
11.3.1. Omschrijving: ...................................................................................................................................39
11.3.2. Oorzaken: .........................................................................................................................................39
11.3.3. Preventie: .........................................................................................................................................39
11.3.4. Herstel: .............................................................................................................................................39
11.4. Doorbloeden: .......................................................................................................................................40
11.4.1. Omschrijving: ...................................................................................................................................40
11.4.2. Oorzaken: .........................................................................................................................................40
11.4.3. Herstel: .............................................................................................................................................40
11.5. Vlekkenvorming: ..................................................................................................................................40
11.5.1. Omschrijving: ...................................................................................................................................40
11.5.2. Oorzaken: .........................................................................................................................................40
11.5.3. Preventie: .........................................................................................................................................40
11.5.4. Herstel: .............................................................................................................................................40
11.6. Industriestof: ........................................................................................................................................40
11.6.1. Omschrijving: ...................................................................................................................................40
11.6.2. Oorzaken: .........................................................................................................................................40
11.6.3. Preventie: .........................................................................................................................................40
11.6.4. Herstel: .............................................................................................................................................40
11.7. Vermatting: ..........................................................................................................................................41
11.7.1. Omschrijving: ...................................................................................................................................41
11.7.2. Oorzaken: .........................................................................................................................................41
11.7.3. Preventie: .........................................................................................................................................41
11.7.4. Herstel: .............................................................................................................................................41
11.8. Onthechting: ........................................................................................................................................41
11.8.1. Omschrijving: ...................................................................................................................................41
11.8.2. Oorzaken: .........................................................................................................................................41
11.8.3. Herstel: .............................................................................................................................................41
11.9. Kookblaasjes:........................................................................................................................................41
11.9.1. Omschrijving: ...................................................................................................................................41
11.9.2. Oorzaken: .........................................................................................................................................41
11.9.3. Herstel: .............................................................................................................................................41
11.10. Pineholes: .............................................................................................................................................41

, 11.10.1. Omschrijving: ...............................................................................................................................41
11.10.2. Herstel: .........................................................................................................................................41
11.11. Kratervorming: .....................................................................................................................................42
11.11.1. Omschrijving: ...............................................................................................................................42
11.11.2. Oorzaken: .....................................................................................................................................42
11.11.3. Herstel: .........................................................................................................................................42
11.12. Krassen door wasborstel: .....................................................................................................................42
11.12.1. Omschrijving: ...............................................................................................................................42
11.12.2. Oorzaken: .....................................................................................................................................42
11.12.3. Herstel: .........................................................................................................................................42
11.13. Poetsvlekken: .......................................................................................................................................42
11.13.1. Omschrijving: ...............................................................................................................................42
11.13.2. Oorzaken: .....................................................................................................................................42
11.13.3. Herstel: .........................................................................................................................................42

,1. Presentatie 01 _ Inleiding en algemeenheden:
1.1. Factoren en kennis om kwaliteitsvol af te werken:
• Afwerkingsproducten (productkennis)
• Af te werken materiaal (ondergrond)
• Eindresultaat (applicatiemethode & laagopbouw)
• Omgevingsfactoren & invloedenonderhoud

1.2. Economische factoren of redenen:
• Rendement
• Economisch haalbaar
• Prijs/kwaliteit:
o Betere afwerking zorgt voor stijging van prijs

1.3. Waarom gaan we afwerken? (doelstellingen):
• Levensduur verlengen en het hout beschermen:
o natuurlijke duurzaamheid verbeteren
• Uit esthetisch oogpunt, verfraaien, uitzicht:
o ander tint, glansgraad, duurder laten lijken
• Beschermen tegen mechanische invloeden:
o slijtage, zand & winderosie,...
• Beschermen tegen fysische invloeden:
o luchtvochtigheid, temperatuur, UV-licht,...
• Beschermen tegen chemische invloeden:
o zure regen, zweet, huishoud chemicaliën,...

1.4. Waar afwerkingen toepassen?:
1.4.1. Exterieur:
• Buitenschrijnwerk, tuinhout, houten gebouwen




1.4.2. Interieur:
• Trappen, vloeren, binnenschrijnwerk, meubelen (keuken, badkamer)

, 1.5. Handelingen bij het afwerken:
1.5.1. Schuren:
• Zorgt ervoor dat het afwerkingsproduct beter hecht aan het opp.

1.5.2. Borstelen:
• Zorgt voor een grovere structuur in het hout




1.5.3. Zandstralen:
• Zorgt voor een grovere structuur in het hout

1.5.4. Voorbehandelen:
• Kleuren:
o Tint geven aan het hout
• Beitsen:
o Kleur wijzigen door chemische reactie
• Bleken:
o Tint verbleken

1.5.5. Afwerken:
• Oliën
• Boenen, waxen of hardwax
• Zepen (verzepen)
• Vernissen/blanke lak
• Kleurlakken

1.6. Afwerkingen indelen:
1.6.1. Volgens laagopbouw:
• Isoleer laag: egaliseren zuigkracht
• Grondlaag, vulgrond
• Tussenlaag -tussenlak
• Aflak
• Toplaag
• Universeel (3 in 1 of 1 potsysteem)

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