1. REPAIRING BODY OTOMOTIF
REPAINTING ACTIVITIES
BODY OTOMOTIF (F-022)
SK – KD 13

2. TARGET OF LEARNING
Student can explain and demonstrate the way of using equipments of Painting
Student can explain over lapping
Student can explain difference of painting of oven and run dry air
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3. VANISH THE CORROTION A GOOD PAINTING INFLUENCED BY : Smooth surface
Cleans from corrotion
Cleans from grease etc
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4. VANISH THE CORROTION CHEMISTRY (pickling) SANDING HOW TO ?
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5. VANISH THE CORROTION Chemistry rule pickling
Smear up the body by pickling
To stop corrotion at the metal
Sanding
To vanish the spot and the corrotion
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6. PREPARATION OF SURFACE
PUTTY
function
filling unflat part or damage inside.
Shaping angle.
Smoothing surface
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7. PREPARATION OF SURFACE
STEP OF PUTTYING
clear of dirt, fat of oil, other dirt and water.
Mixed putty by 2 % hardener.
flimsy wrapper flatten and dried.
After dry putty later then SANDPAPER.
Cleaning with multythinner and dry.
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8. PREPARATION OF SURFACE
SANDPAPER
After putty is dry, parts of uppermost is SANDPAPER Manually and Mechanical with sander
PLACE SANDPAPER # 80 AT SANDER
Rub from front rear.
From from other sideing aside.
All diagonal direction.
PLACE SANDPAPER # 120 AT HAND BLOCK AND RUB.
PLACE SANDPAPER # 200 AT HAND BLOCK AND RUB.
STEP SANDPAPER
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9. PREPARATION OF SURFACE
PREPARATION PROCESS
Cleaning with multi thiner and dry.
SANDPAPER with dry SANDPAPER.
Cleaning with multi thiner
Drying
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10. APPLICATION PAINT OF BASE
PREPARATION OF SURFACE
APPLICATION PAINT OF BASE
IN ORDER THAT
STICK STRENGTH.
OLD ENDURANCE
AS NEXT BASE PAINT
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11. USAGE OF PAINT PRIMARY Douche 1 - 2 mix by primary coat of hardener.
CONDUCT
At re-painted surface.
Douche mix by primary coat of hardener.
Conduct every 5 – 10 minute once.
Let more or less 5 hour.
SANDPAPER surface of primary paint with dry SANDPAPER.
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12. USAGE OF BODY SEALER application sealer body at part of fold
at vehicle panel
example of at engine hood, trunk/ lid boot ( baggage behind), door, brake canvas / coupling, or even at panel quarter and also at all of sheet cutting different metal to be jointed
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13. USAGE OF BODY SEALER Appearance Strength Lessening transformation
Excellence of adhesive power of seal can include:
Appearance
Extension only just seen
Strength
Division of strength which flatten at surface
Lessening transformation
Lessening rust/ korosi
Body sealer lessen opportunity the happening of action of elektrolitik among two different materials.
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14. USAGE OF BODY SEALER weakness of body sealer that is 1) Health trouble
2) Risk burnt and Burst
3) Limitation at temperature
4) Difficulty of inspection
5) Expensif
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15. USAGE OF BODY SEALER Type of sealer, that is
1) Temperature type Low, with temperature 0 until 15 C
2) Medium of Temperature type, with temperature 15 until 35 C
3) High Temperature type, with temperature 35 until 45 C
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16. Type sealer of polyurethane, that is:
USAGE OF BODY SEALER
Type sealer of polyurethane, that is:
1) Sealer type black Body of cartridge
2) Sealer type white Body of cartridge
3) Sealer type white Body of tube
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17. Application process of sealer at vehicle bodi that is
USAGE OF BODY SEALER
Application process of sealer at vehicle bodi that is
1) direct, that is sealer nub with cream directly at bodi
2) Gun Spray, that is extant sealer melt to be mixed with Hardener sprayed
3) Gun Sealer, that is cartridge sealer attached by appliance
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18. From some ways above, which at most used is to use gun sealer, that is
USAGE OF BODY SEALER
From some ways above, which at most used is to use gun sealer, that is
1) Manual type
2) Electrical Type
3) Type of Pneumatik
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19. Several things which need to be paid attention
USAGE OF BODY SEALER
Several things which need to be paid attention
In application of sealer use sealer of is same merk
Sealer will decrease its quality after old age 6 months
Keep and primary of adhesive at dry place
Don'T open primary cover and of adhesive is otherwise used
If perapat attached by at painted area, ascertaining coat paint have run dry
If bodi will be painted, protect sealer of paint
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20. Application of Bodi Sealer
USAGE OF BODY SEALER
Cleaning and eliminating grease ( degreasing)
truncate cartridge nozzle.
Application of Bodi Sealer.
Top Coat
Application of Bodi Sealer
Bodi Sealer application, after draining process and emery of surfacer finely but before application of top coat ( final painting )
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21. USAGE OF BODY SEALER Application of body sealer
Cleaning and eliminating grease ( degreasing)
Keen of nozzle cartridge
Application of Bodi Sealer
First, determining which shares you'd stand up, before strarting application of bodi sealer
second, setling left hand to hold gun sealer and forefinger triger.
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22. USAGE OF BODY SEALER
Third, withdrawal of movement and trigger at sealer gun have to be constant fixed
Fourth take care of sealer gun remain to parallel alongside mark with lines where application sealer bodi
Fifth, form of sealer wanted will not be obtained by if nozzle do not be placed by at real correct angle to panel of bodi.
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23. PROCEDURE of MASKING MASKING PROCEDURE
Pursuant to coat area and painting method.
Masking for the application of surfacer..
Masking for the block of repainting.
Masking for the shading of or of spot repainting.
CHOSENING BORDER
Representing area dissociating painted area and which do not be painted
Border at gap among panels.
Border at extension culminate from character line.
Border at part of which flatten
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24. USAGE OF SURFACER Kinds of him : Lacquer surfacer Urethene surfacer
Surfacer is coat paint second
After primary paint.
After putty.
Have the character
filling incision.
Preventing absorbtion of top coat.
Smoothing down adhesion among under coat and of top coat.
SURFACER
Kinds of him :
Lacquer surfacer
Urethene surfacer
Thermosetting amino alkyd surfacer
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25. CHECKING OFF COLOUR PAINT
Analysing old paint
Paint type
Brightness of Paint
Iustre Paint
Paint materials
Prepare
Accomodating
Mixing
Is mingled step by step
Check viscosity
Check according to colour
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26. CHECKING OFF COLOUR PAINT
old Paint Sampel
Analysed
Conclusion of Type, Iustre warnadan
Prepare colour card
From colour catalogue
From computer printout
adaptation of Colour
new Paint Sampel
Materials paint comparison
Assesment
Mixing repeat if not yet snugly
Check once ladi
Is ready to used
Note comparison
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27. CHECKING OFF COLOUR PAINT
Card colour example
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28. USAGE OF SPRAYGUN MOVING SPRAYGUN. distance of Spraygun.
angle of Spraygun.
Speed of step swing.
Overlaping/overlap pattern.
Way of holding.
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29. USAGE OF SPRAYGUN Distance of Spraygun General = 15 – 20 cm
Untuk jenis acrylic lacquer = 10 – 20 cm
Enamel = 15 – 25 cm
Spraying moment.:
Parallel body of object work
Following activity object form, tortous or level off.
Spraying direction 90 degree.
Spraying is from the top of downwards.
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30. USAGE OF SPRAYGUN SPEED OF PAINTING.
Stabilize goodness of horizontal and also is vertical.
Too tardy, paint will melt.
Untimely, paint scraggly
Unstable, paint less flatten and is not lustrous.
Its speed about 12 feet / second.
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31. USAGE OF SPRAYGUN OVERLAPING ITS TARGET
Painting at activity object , so that first spraying and second will joint..
ITS TARGET
Avoiding the happening of attenuating.
Avoiding difference of colour
Thick of paint flatten
Preventing inexistence paint at first coat and second

32. REPAINTING FINAL PAINTING. PAINTING OF COLOUR of SOLID. Giving :
Protection of surface.
Creating the beauty of, pattern and performa of vehicle.
PAINTING OF COLOUR of SOLID.
Spraying 3-5 enduing solid coat top a time gap 2-5 minute..
Polishing to be conducted by during 6 hour.
Drying 30 minute.
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33. FINAL PAINTING METALLIC PAINTING
Spraying 3 enduing metallic coat top a time gap 3-5 minute
Drying during 15 minute.
Cleaning surface of top coat with dust-cloth of dirt.
Spraying 2-3 enduing or clear of gloss mix by of hardener a time gap 3-5 minute.
Let to run dry during 1 hour.
Polishing to be conducted by during 6 hour
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34. DRYING PROCESS PAINTING OF OVEN.
Process in closed room with temperature 80 degree of celcius..
PAINTING of NON OVEN.
Painting in room do not closed with external temperature 25 – 30 degree of celcius.
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35. BASED ON TYPE PAINT PROCESS PAINTING
DRYING PROCESS
BASED ON TYPE PAINT PROCESS PAINTING
Kinds of him :
Thermosetting animo alkyd
Thermosetting acrylic
1. Heat polymerization
Paint one komponnen, hard at temperature 140 degree of celcius.
2. PAINT of TWO COMPONENT.(urathane type)
Having ability of good coating.
Hold up to gleam.
Weather
Solvent
Smooth Tekstur.
3. PAINT of SOLVENT EVAPORATION (Lacquer)
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36. THE END DRYING PROCESS DRYING Drying
Give time setting during minute.,
Dried by about 50 minute at temperature 60°C.
DRYING
Flash Time
that is time where paint let by before sprayed next coat. For the paint of urethane acrylic, flash time minute at temperature 20°C.
(b) Setting Time
Paint let by during 10 — 20 minute to give opportunity of solvent condense naturally.
THE END
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