CN112609916A - Manufacturing method of external corner arc modeling - Google Patents
Manufacturing method of external corner arc modeling Download PDFInfo
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- CN112609916A CN112609916A CN202011469336.4A CN202011469336A CN112609916A CN 112609916 A CN112609916 A CN 112609916A CN 202011469336 A CN202011469336 A CN 202011469336A CN 112609916 A CN112609916 A CN 112609916A
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- external corner
- arc
- putty
- making
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F13/00—Coverings or linings, e.g. for walls or ceilings
- E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/02—Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
- E04F21/16—Implements for after-treatment of plaster or the like before it has hardened or dried, e.g. smoothing-tools, profile trowels
Abstract
The application relates to the technical field of interior decoration, in particular to a manufacturing method of an external corner arc model, and aims to solve the technical problem that the existing arc external corner is low in strength. This application has further strengthened the wholeness and the intensity of circular arc external corner through add net cloth on the circular arc external corner for the circular arc external corner is more firm. This application has the effect of reinforcing circular arc external corner intensity.
Description
Technical Field
The application relates to the technical field of interior decoration, in particular to a manufacturing method of an external corner arc model.
Background
The external corner is a term of the construction industry, and refers to a protruding wall corner on a wall surface, such as four protruding corners of the exterior of a building and an included angle between a door and a window opening and the wall surface.
In order to be more attractive and reduce the collision, the indoor external corner can be made into a shape of a circular arc external corner under some conditions. The traditional arc external corner has low modeling strength and is easy to crack.
Disclosure of Invention
In order to improve the strength of the arc external corner, the application provides a manufacturing method of the external corner arc shape.
The method for manufacturing the external corner arc modeling adopts the following technical scheme:
a method for manufacturing an external corner arc model comprises the following operation steps,
chiseling a right-angle external corner of an original wall body, and cleaning the chiseled wall body;
secondly, plastering a circular arc external corner model on the wall by using cement mortar, and then repairing an arc of the circular arc external corner by using a circular arc external corner trowel;
step three, dipping a layer of putty on the arc external corner, uniformly and forcibly sticking the grid cloth on the arc external corner to enable the putty to overflow from the meshes, then brushing a layer of putty on the arc external corner, and uniformly smearing;
step four, after the putty on the arc external corner is naturally dried, polishing the arc external corner smoothly by using sand paper;
and step five, brushing latex paint on the arc external corner.
Through adopting above-mentioned technical scheme, carry out the transformation of circular arc external corner on original wall body basis, the construction is more nimble, and the radian at fillet can be adjusted according to current wall body for the transition is more level and smooth between the radian at circular arc external corner and the current wall. The grid cloth is used for reinforcing the arc external corner, so that the effect of reinforcing ribs can be achieved to a certain extent, the integrity of the arc external corner is stronger, cracking is not prone to occurring, and the strength of the arc external corner is improved. The emulsion paint smeared on the arc external corner can play a good role in covering, can extend and cover fine cracks, has good waterproof performance, and can prevent the wall body from being penetrated by water from damaging the arc external corner, thereby playing a role in protecting the arc external corner.
Optionally, in the first step, the concrete operation of chiseling the right-angle external corner of the original wall body is to use the external corner line of the wall body as a reference line, perform line snapping processing on the wall bodies on the two sides of the external corner line respectively, make the snapped ink line parallel to the external corner line of the wall body, cut off the right-angle external corner along the ink line by using a marble machine, and then clean up the peripheral cement bump by using a lime cutter.
Through adopting above-mentioned technical scheme, use the marble machine to cut original wall body, can make the cutting plane more level and more smooth. Compared with a chiseling mode, the damage to the wall body is smaller, and the integrity of the wall body is better. The lines are bounced on two sides of the original external corner lines, the cutting area is marked, the warning effect can be played to workers, the area needing to be cut is marked, and the workers can cut the wall body more conveniently.
Optionally, in the second step, before applying the cement mortar, the wall surface is cleaned of attachments such as dust, dirt, alkali film and the like, and water is sprayed to wet the wall surface.
Through adopting above-mentioned technical scheme, clear up debris on the wall and can make better the adhering to on the wall body of cement mortar, combine as a whole with the wall body is better. The sprinkling and wetting on the wall can reduce the contention of the wall surface to the moisture in the cement mortar, so that the cement mortar can be better combined with the wall surface, and the quality and the effect of the circular arc external corner are ensured.
Optionally, the mixing ratio of the cement mortar in the second step is as follows: sand: fly ash: lime paste = 1: 3: 0.5: 0.5.
by adopting the technical scheme, cement, sand, fly ash and lime cream are mixed according to the proportion of 1: 3: 0.5: the proportion of 0.5 is prepared, so that the cement mortar meets the use requirement, the workability, the adhesiveness and the strength of the cement mortar are ensured, and the strength of the molded arc external corner is better.
Optionally, the cement in the cement mortar in the second step is ordinary portland cement with the reference number of 42.5.
By adopting the technical scheme, the common Portland cement 42.5 has the advantages of high early strength, quick setting and hardening, good frost resistance, good wear resistance, strong impermeability, dark gray color, heavy settling and solidification and excellent sense.
Optionally, the sand in the cement mortar in the second step is medium sand with an average grain size of 0.35-0.5 mm.
Through adopting above-mentioned technical scheme, the middlings can satisfy cement mortar's use needs for cement mortar's adhesion is better.
Optionally, the putty in the third step is prepared by adding 801 glue into semi-calcined gypsum powder.
Through adopting above-mentioned technical scheme, putty can clear away the uneven defect in circular arc external corner surface height, can improve the smoothness of circular arc external corner. Meanwhile, the putty layer can resist self-cracking and reduce the cracking of the coating.
Optionally, in the fourth step, putty polishing is started after putty is applied to the wall for 1-2 days, the electric bulb is used for being close to the wall surface for illumination during polishing, and the flatness is checked while polishing.
By adopting the technical scheme, the putty becomes very hard 5-7 days after being completely applied to the wall, and becomes extremely difficult to polish. The polishing is started in 1-2 days, so that the construction of workers is facilitated, and the polishing difficulty is reduced.
Optionally, in the fifth step, before the latex paint is brushed, a layer of alkali-resistant primer is brushed on the arc external corner.
By adopting the technical scheme, the alkali-resistant primer can seal the alkalinity of the putty, so that the latex paint can be conveniently attached to the arc external corner. The alkali-resistant primer can enhance the adhesive force between the arc external corner wall and the emulsion paint, and can penetrate into capillary pores of the arc external corner wall to form claw-shaped deep embedded arc external corner walls, so that firm adhesive force is formed between the claw-shaped deep embedded arc external corner walls and the arc external corner walls. Meanwhile, the alkali-resistant primer and the emulsion paint have very good adhesive force, so that the emulsion paint can be better smeared and attached to a circular arc external corner wall.
Optionally, in the fifth step, the latex paint is brushed twice, and each time is separated by more than 2-4 hours.
By adopting the technical scheme, the emulsion paint has strong covering capability, can protect the arc external corner wall body, and plays a good role in decoration. Meanwhile, the emulsion paint can also play a role in mildew prevention and moisture prevention, effectively reduces water intrusion into a wall body, and plays a role in protecting the arc external corner, so that the arc external corner is not easy to crack.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the grid cloth is used for reinforcing the arc external corner, so that a reinforcement effect can be achieved to a certain extent, the arc external corner is stronger in integrity and not prone to cracking, the strength of the arc external corner is improved, emulsion paint coated on the arc external corner can achieve a good covering effect, fine cracks can be extended and covered, good waterproof performance is achieved, water can be prevented from permeating a wall body to damage the arc external corner, and the effect of protecting the arc external corner is achieved;
2. the alkali-resistant primer can enhance the adhesive force between the arc external corner wall and the emulsion paint, the alkali-resistant primer can penetrate into capillary pores of the arc external corner wall to form claw-shaped deep embedded arc external corner walls and form firm adhesive force with the arc external corner walls, and the alkali-resistant primer has very good adhesive force with the emulsion paint, so that the emulsion paint can be better smeared and attached to the arc external corner walls.
Drawings
FIG. 1 is a block flow diagram of an embodiment of the present application.
Detailed Description
The technical solutions in the present application will be described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present application discloses a method for making an external corner arc molding. The manufacturing method of the external corner arc modeling comprises the following operation steps:
firstly, cleaning the wall surfaces on two sides of the external corner by using a plaster cutter, cleaning various cement bumps on the wall surfaces, and if the cement bumps are not cleaned completely, the line snapping cannot be directly caused by touching the obstacles during line snapping. Then, a layer of ash is batched on the wall surface, and then the ink line is flicked, so that the definition and the identification degree of the flicked ink line can be improved, and the worker can conveniently observe the position marked by the ink line. And (4) taking a line formed by the vertical wall external corner as a reference line, and performing line snapping treatment on the walls on two sides of the reference line. The ejected ink lines are parallel to the reference line, and the distance between the two ink lines and the reference line is 10 cm.
It should be understood that in practice, the distance between the ink line and the reference line may also vary depending on the curvature of the external corner arc to be fashioned. When the radian of the external corner of the arc to be shaped is larger, the distance between the ink line and the reference line is larger. The smaller the radian of the external corner of the arc to be shaped, the smaller the distance between the ink line and the reference line. After the ink lines are placed, the ink lines are flicked for multiple times at the same position so as to increase the definition of the ink lines displayed on the wall surface.
And cutting the external corner of the wall body by using a marble machine along the datum line in the sequence from top to bottom, wherein the plane formed by cutting by the marble machine is vertical to the datum line. The depth of the cutting piece of the marble machine penetrating into the external corner of the wall body is not more than 7cm each time. It should be understood that the depth of the marble machine into the external corner of the wall body is related to the radian of the external corner of the circular arc to be molded, and the greater the radian of the external corner of the circular arc to be molded, the deeper the depth, the smaller the radian of the external corner of the circular arc to be molded, and the shallower the depth.
And adjusting the cutting surface of the marble machine to ensure that the plane where the cutting piece of the marble machine is positioned is inclined at an angle of 45 degrees with the wall surface. And moving the marble machine from top to bottom along the ink line to cut the external corner of the wall body. After the cutting is completed, the wall external corner is divided into individual triangular prisms, and then the wall external corner is chiseled off from the wall by using an electric hammer. And after the external corner of the wall body is knocked out, cleaning the cement bump at the chiseled position by using a plaster cutter, so that the chiseled position is as flat as possible. For bad chiseling, a marble machine is used for cleaning.
And step two, cleaning the wall body at the chiseled position. And cleaning attachments such as residual dust, dirt, alkali films and the like on the wall surface. In order to increase the adhesive force of the wall surface and reduce the risk that the external corner arc falls off from the wall body, workers need to carry out galling operation on the wall surface. And (3) marking transverse grooves on the wall body at equal intervals by using a marble machine according to the sequence from top to bottom, wherein the depth of the grooves is controlled to be 5-10 mm.
It should be understood that the napping operation can be performed in other ways, such as dipping the broom in the muddy water, beating the broom on the wall surface to form a plurality of raised points on the surface, or directly marking a plurality of deep grooves on the wall surface by using the ultrahigh pressure water jet.
After the napping operation is completed, the wall is cleaned again. 24 hours before the cement mortar is smeared in the formal construction, the surface of the wall body is wetted by water, so that the water permeates into the wall surface by 2-3cm, the adsorption force of the cement mortar on the surface of the wall body can be correctly intervened, and the generation of cracks is restricted. When the cement mortar is applied in the air-dry weather, if the wall surface is dry and not wet, water is sprayed again, but when the cement mortar is applied, floating water does not appear on the wall surface, so that the strength of the cement mortar is increased, and the probability of occurrence of hollowing and cracks is reduced.
According to the cement: sand: fly ash: lime paste = 1: 3: 0.5: 0.5 of cement mortar. In the preparation process, the feeding sequence is sand, lime paste, cement and fly ash. The stirring is continuously carried out in the feeding process, the stirring direction is clockwise or anticlockwise, the stirring is carried out in the same direction, the stirring speed during the stirring is kept uniform, and the hourly speed is avoided. After the cement mortar is uniformly stirred, standing for a period of time, and waiting for the bubbles on the surface of the cement mortar to be completely eliminated, so that the cement mortar can be used. When stirring in winter, hot water is used for stirring, and certain heat preservation measures are taken, and the temperature of cement mortar is not lower than 5 ℃ when cement mortar is smeared. It should also be noted that the cement mortar should be used up within 3 hours after completion of the stirring.
Wherein, the cement uses ordinary Portland cement with the reference number of 42.5. The sand is medium sand with average particle size of 0.35-0.5 mm. The sand particles are required to be hard and clean and must not contain clay, grass roots, leaves, alkalis and other impurities. Before the sand is used, the sand is sieved by sieves with different pore sizes according to the use requirement, and the oversize sand grains or undersize sand grains are sieved out.
Before plastering cement mortar, a frame should be built, wherein the frame is 200-250mm away from a corner or a wall surface, so that a worker can conveniently carry out plastering operation.
The arc external corner is smeared on the wall body according to the sequence from top to bottom, and then the arc external corner is trimmed according to one direction by using the arc external corner trowel, so that the transition between the radian of the arc external corner and the wall surface is more natural and uniform. And (4) brushing the surface of the arc external corner so as to facilitate the adhesion of the follow-up putty.
And step three, checking the surface of the circular arc external corner before putty brushing, cleaning sand grains and pimples on the surface, and brushing the whole circular arc external corner once by using a steel wire brush. The putty is prepared by mixing half-cooked gypsum with 801 glue. Before putty is brushed, the adhesive is sprayed once, and then a layer of putty is stained on the arc external corner. And cutting out the mesh cloth with a proper size corresponding to the size of the arc external corner. And (3) applying the mesh cloth on the arc external corner, and forcibly sticking the mesh cloth on the undried putty to enable the putty to overflow from the meshes on the mesh cloth. And then evenly smearing the putty overflowing from the mesh cloth on the arc external corner, so that the putty covers the mesh cloth on the lower layer. The grid cloth can enhance the strength of the arc external corner, protect the arc external corner and reduce the cracking probability.
And coating putty on the arc external corner again to enable the putty to uniformly cover the arc external corner. The operation of putty scraping needs to be carried out for three times, and the next time of putty smearing can be carried out when the previous time of putty has certain dryness.
And step four, avoiding directly blowing the putty with cold air when naturally air-drying the putty. When cold air is blown directly, the putty looks dry, but the moisture is locked inside, which is not good for the arc external corner. It should also be noted that the thickness of the puttying should be controlled to be around 2 mm. In order to facilitate the working personnel to polish the putty on the arc external corner, the polishing process of the putty is started 1 to 2 days after the putty is coated. This is particularly difficult as the putty becomes very stiff 5-7 days after it is completely applied to the wall.
When polishing, the bulb above 200 watts is used to be close to the arc external corner for illumination, and the polishing and the checking of the flatness are carried out simultaneously, so that the good flatness and the good arc effect are obtained. Particularly, at the transition position between the arc external corner and the wall surface, the worker needs to further grasp the flatness, so that the smoothness of the joint of the arc external corner and the wall surface is improved.
And step five, after the arc external corner is polished, cleaning floating dust of putty left after polishing and attached to the arc external corner so as to be convenient for painting and paint to be better attached to the surface of the arc external corner. Before priming, a layer of alkali-resistant primer is brushed on the arc external corner. The alkali-resistant primer has the advantages of super-strong permeability, excellent adhesive force, excellent alkali resistance, capability of resisting the corrosion of the alkali of a sealing substrate, cement degradation resistance, carbonization resistance and pulverization resistance, excellent waterproof performance, capability of preventing moisture from permeating walls and capability of performing mildew prevention and ventilation. The alkali-resistant primer can be applied by rolling, spraying or brushing.
The alkali-resistant primer can seal the alkalinity of the putty, provide good adhesion for the latex paint and play a role in saving part of the latex paint. The alkali-resistant primer and the wall body of the arc external corner form firm connection, so that the emulsion paint can be better attached to the wall body of the arc external corner, and the arc external corner is protected.
When latex paint is brushed, the latex paint should be brushed twice. The time intervals between passes should be 2-4 hours, and it should be understood that the time intervals given herein are approximate and that the specific time requirements will depend on the surface drying time of the latex paint. After waiting for the paint to substantially dry, a second pass of the latex paint was applied. The latex paint can be brushed by roller coating or spraying. The surface of a roller coating paint film is natural and textured, and the paint is not consumed much. The surface of the sprayed paint film is fine and smooth, but the paint consumption is high. In the actual construction process, the way of brushing the latex paint can be determined according to personal preference and economic capability.
Most latex paints are relatively sticky in their uncapped state and typically require watering to facilitate better construction. The water adding amount of various paints is different and is not more than 30 percent at most. Meanwhile, it should be noted that the colored paint must be carefully mixed with water, otherwise, the color is not uniform.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The manufacturing method of the external corner arc modeling is characterized by comprising the following operation steps:
chiseling a right-angle external corner of an original wall body, and cleaning the chiseled wall body;
secondly, plastering a circular arc external corner model on the wall by using cement mortar, and then repairing an arc of the circular arc external corner by using a circular arc external corner trowel;
step three, dipping a layer of putty on the arc external corner, uniformly and forcibly sticking the grid cloth on the arc external corner to enable the putty to overflow from the meshes, then brushing a layer of putty on the arc external corner, and uniformly smearing;
step four, after the putty on the arc external corner is naturally dried, polishing the arc external corner smoothly by using sand paper;
and step five, brushing latex paint on the arc external corner.
2. The method for making the external corner arc molding according to claim 1, wherein: in the first step, the concrete operation of chiseling out the right-angle external corner of the original wall body is that the external corner line of the wall body is used as a reference line, line snapping processing is respectively carried out on the wall body on two sides of the external corner line, the popped out ink line is parallel to the external corner line of the wall body, the right-angle external corner is cut off along the ink line by using a marble machine, and then the peripheral cement bump is cleaned up by using a lime cutter.
3. The method for making the external corner arc molding according to claim 1, wherein: in the second step, before the cement mortar is smeared, attachments such as dust, dirt, alkali films and the like on the wall surface are cleaned, and water is sprayed to wet the wall surface.
4. The method for making the external corner arc molding according to claim 1, wherein: the mixing proportion of the cement mortar in the second step is as follows: sand: fly ash: lime paste = 1: 3: 0.5: 0.5.
5. the method for making the external corner arc molding according to claim 4, wherein: and in the second step, the cement in the cement mortar is ordinary Portland cement with the reference number of 42.5.
6. The method for making the external corner arc molding according to claim 4, wherein: and in the second step, the sand in the cement mortar is medium sand with the average grain diameter of 0.35-0.5 mm.
7. The method for making the external corner arc molding according to claim 1, wherein: the putty in the third step is prepared by adding 801 glue into semi-calcined gypsum powder.
8. The method for making the external corner arc molding according to claim 1, wherein: and in the fourth step, putty polishing is started after the putty is applied to the wall for 1-2 days, a light bulb is used for being close to the wall surface for illumination during polishing, and the flatness is checked while polishing.
9. The method for making the external corner arc molding according to claim 1, wherein: and in the fifth step, before the latex paint is brushed, brushing a layer of alkali-resistant primer on the arc external corner.
10. The method for making the external corner arc molding according to claim 1, wherein: in the fifth step, the latex paint is brushed twice, and each time is separated by more than 2-4 hours.
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| CN202011469336.4A CN112609916A (en) | 2020-12-14 | 2020-12-14 | Manufacturing method of external corner arc modeling |
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| CN202011469336.4A CN112609916A (en) | 2020-12-14 | 2020-12-14 | Manufacturing method of external corner arc modeling |
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Citations (4)
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| JPH1171881A (en) * | 1997-07-02 | 1999-03-16 | Sekisui Chem Co Ltd | External corner wall, and corner tape attachment device |
| CN106193485A (en) * | 2016-07-21 | 2016-12-07 | 云南工程建设总承包公司 | A kind of building wall exempts from cracking resistance technique of plastering |
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| CN108265837A (en) * | 2018-04-08 | 2018-07-10 | 汪儒生 | A kind of construction method of modular system HT inorganic heat-insulation board exterior wall heat-preserving systems |
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2020
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|---|---|---|---|---|
| JPH1171881A (en) * | 1997-07-02 | 1999-03-16 | Sekisui Chem Co Ltd | External corner wall, and corner tape attachment device |
| CN106284998A (en) * | 2015-06-08 | 2017-01-04 | 五冶集团上海有限公司 | Plastering on inner walls completely spreads fiberglass gridding cloth construction method |
| CN106193485A (en) * | 2016-07-21 | 2016-12-07 | 云南工程建设总承包公司 | A kind of building wall exempts from cracking resistance technique of plastering |
| CN108265837A (en) * | 2018-04-08 | 2018-07-10 | 汪儒生 | A kind of construction method of modular system HT inorganic heat-insulation board exterior wall heat-preserving systems |
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Application publication date: 20210406 |