Construction process and precautions for wood varnish
Nowadays, more and more people favor custom furniture and customized furniture. The style is unique, the price is more affordable, and it is tailor-made for the home to fit the layout of the house. However, after the master has made good furniture, there is a big step in painting. The more common is the brush color paint and varnish, different paint, construction process is also different! Below, Xiao Bian will introduce you to the paint process and precautions!
1, the main construction process
(1) Varnish construction process:
Clean the surface of the woodware → Polished paper → Polished powder → Polished sandpaper → Full scrape the first time putty, sandpaper polishing → Full scraping the second time putty, fine sandpaper polishing → Brushing oil color → Brush the first time varnish →Fight for color, refill putty, fine sandpaper polish → brush the second time varnish, fine sandpaper → brush the third time varnish, polishing → sandpaper polishing fade, wax, polish.
(2) Mixed color paint construction process:
First, clean the dust on the surface of the base layer, repair the base layer → level off with matte paper → paint on the frugal part → puttying on the bottom → dry oil → first pass paint scraper → polishing → brushing primer → primer Dry hard → brushing the surface layer → repair putty to repair → polish wipe the third time the paint brush brush the second time coating → polishing → third paint finish → polishing wax.
2. Construction points
Clean oil coating construction specification
Polishing the base layer is an important process for painting the varnish. Firstly, dust, dust, and other impurities on the wood surface should be removed.
On the oil is also an important process varnish brushing, construction with cotton silk oil coated on the surface of the wood, rubbed back and forth by hand, rubbed oil into the eyes of the wood.
When brushing the oil, the brush should be easy and natural, and the finger should be lightly applied, so as not to move loose and not touch the brush.
When brushing, you must follow the order of multiple times, less time and less time, and the time required for the operation. Follow the order of brushing first, backwards, first, then first, then left, then right, first inside and then outside, and then brush. Vertical operation method construction.
Construction specification for wood surface oil mixing
When processing at the grass-roots level, in addition to cleaning up debris from the grass-roots, local putty embedding should also be performed. Sanding paper should be ground along the wood grain.
Before painting the surface layer, apply a paint sheet (shellac paint) on the bottom of the joint where there is a large amount of color difference and lignanization. Should be painted on the grass-roots dry oil or mooring, brushing dry oil layer to brush all parts of the uniform, can not miss the brush.
After the base oil dries out, it is full of scrape the first time putty, dry after the sanding with hand-made sandpaper, and then make up high-strength putty, putty to pick the wire does not fall prevail. When painting surface paint, it should be polished with fine sandpaper.
3. Precautions
(1) The grassroots treatment should be constructed as required to ensure that the surface paint will not fail. In addition, before painting, everyone must remember to clean up the surrounding environment, place dust, mix in the paint or wood surface!
(2) After the wood lacquer is deployed, it must be filtered: the paint must be prepared before brushing, and then there is a further step to further optimize the wood lacquer, that is, the wood lacquer is to be filtered after being prepared. Because dust in the air is mixed into the wood lacquer, it will form small particles. However, if it is directly filtered without filtering, it will cause small particles on the surface of the paint film, which is not smooth enough. Therefore, after the wood lacquer is well-distributed, it is necessary to use a filter screen to filter out particulate impurities, and then it is better to perform the construction after more than ten minutes of standing still.
(3) Because the paint has a certain toxicity, it has a strong stimulatory effect on the respiratory tract, and construction must pay attention to good ventilation.
(4) After the construction is completed, there will usually be some surplus of paint. At this time, we must properly handle these remaining paints. If it is water-based wood paint, it can be stored in a cool place so that it can be used in a cool place. If it is a lacquer or a polyurethane paint, these paints are used as a one-time paint due to the addition of curing agents and thinners. All right!
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