Glass Hand Polishing

Glass hand grinding and polishing

Glass hand grinding and polishing, many times our car in the process of driving, the glass of our car may be subjected to some damage, so that the glass becomes fuzzy, light refraction, affecting the line of sight, and more will affect the safety of driving, this time you need to polish, the following share glass hand grinding and polishing.

Glass hand grinding and polishing 1

Method 1: polishing powder + polishing brush, the use of polishing powder and polishing brush on the surface of the glass high-speed friction, to remove scratches and burrs, etc., can maximize the effectiveness of the glass transmittance and refraction. This polishing method is fast grinding, no scars, no light channel, suitable for most glass products.

At the same time, the polishing powder and polishing brush adhesion, easy to clean, grinding process is not easy to settle, not pollute the environment, no odor, not afraid of moisture, long-term storage does not deteriorate.

Method two: fire polishing, the use of flame to soften the surface of the glass and the impact of the fire on the glass, you can solve the surface of the glass products appeared in the material pattern, but the treatment of the flatness of the glass surface will be reduced. General hollowware glass cut mouth roughness, this method can be used to grind, this polishing method is also mostly used to grind soda-lime glass and high trampoline glass, but the operation is difficult, a little negligence is prone to cause glass explosion.

Method 3: acid polishing, with acidic substances on the surface of the glass, but due to the smoothness of the glass is difficult to control, the grinding method may not be able to completely remove the texture of the glass, coupled with the corrosion of the acidic substances, to a certain extent, the loss of the glass products of the diamond angle at the same time will cut the thickness of the glass.

Glass hand grinding and polishing 2

How to polish glass:

1, the original polishing solution will be poured out a little as needed, diluted with water at a ratio of 1:1, up to no more than 1:5.

2, scratches in the polishing place to ensure that the polishing fluid is sufficient, at any time the sandpaper can not be directly in the glass surface dry grinding.

3, change and add the original polishing liquid using a special polishing wheel to restore the glass bright, wipe the glass clean and observe the sandpaper sanding range, coated with the original polishing liquid using a special polishing wheel to polish.

Classification of glass:

1, inorganic materials in accordance with the structure can be divided into monocrystalline, polycrystalline and glass three major categories, monocrystalline has a regular shape and strict rules of the structure of the ruby is a single crystal of alumina, the crystal is a single crystal of silicon dioxide, diamonds are single crystals of carbon, polycrystalline is a large number of small single crystals of the aggregates, a variety of ceramics, metals are polycrystalline materials. Ceramics, metals are polycrystalline materials.

2, the atomic arrangement of glass is irregular, its atoms in space with statistical homogeneity, glass from solid to liquid is a certain temperature region that is the softening temperature range

It is different from the crystalline material, there is no fixed melting point, glassy material is generally from the rapid cooling of the molten body to get from the molten state to the glassy state transition. Cooling process viscosity increases dramatically, the mass of points to do not have time to form crystals in a regular arrangement, there is no release of latent heat of crystallization.

3, laminated glass, also known as shatterproof glass or wire glass. It is produced by calendering, that is, in the molten state of the glass will be pre-heated steel wire or wire mesh pressed into the middle of the glass, annealed, cut and become. The surface of laminated glass can be embossed or polished, and the color can be made colorless and transparent or colored.

Glass Hand Polishing 3

Plexiglass Polishing Method 1: Chemical Polishing

Another treatment that has been around is chemical polishing, because plexiglass, as a plastic, can be dissolved in certain chemical solvents, the most commonly used being chloroform.

It can dissolve the uneven surface of the plexiglass products, so that the surface becomes smooth and flat, and the efficiency of this method is very high, do not need a lot of labor. However, since chloroform is a toxic solvent and is easily evaporated, it is rarely used nowadays.

Plexiglass polishing method 2: flame polishing

Flame polishing is a new method, but also the most mainstream way. The melting point of plexiglass is relatively low, in 100 degrees will be softened, more than 200 degrees will reflect the fluidity.

A short heat treatment of the surface with a high-temperature flame will allow the roughness to melt and then return to flatness. However, since the flame contains carbon particles, which can easily enter the surface of the product and cause blackening, the industry is now using hydroxide flame for polishing, which is very effective.

Plexiglass polishing method 3: mechanical polishing

Many varieties of plexiglass products, in fact, is not like the general plastic products through the injection molding, but rather the use of ready-made plexiglass plate or plexiglass rods through the secondary processing. But after cutting and engraving, the surface will certainly leave traces of processing, and must be polished to show the effect of transparency.

The most traditional way of polishing is to utilize mechanical polishing, such as using sandpaper to polish the surface, or using different finenesses of polishing powder, pay attention to the surface to be polished, can achieve a very high degree of smoothness.

Plexiglass polishing steps:

1, with a chamois dipped in green abrasive paste to polish on it.

2, if there is a polishing wheel, you can also use a felt polishing wheel dipped in polishing paste for grinding, polishing is also OK.

Plexiglass plate polishing method, generally the main first file correction, and then add the water part in the smaller (more than 300) and large (more than 1500) sandpaper sanding and polishing, the effect is good

Safety, but also DIYers love and commonly used methods, but this method is both time-consuming and laborious, but also to the DIYers to the exhaustion of the DIY people with a high level of skill, DIYers can also use "Chloroform" and "acetylene fire" to further processing, to achieve a better polishing effect.

Glass hand grinding and polishing 4

A. What are the methods of glass polishing

Glass polishing, refers to the use of chemical or physical methods, to get rid of the surface of the glass lines, scratches, and some other imperfections, to improve the transparency of the glass and the refractive index, so that the glass is more glassy.

Method 1: Fire polishing

The use of flame to soften the surface of the glass and the impact of the fire on the glass, you can solve some of the surface of the glass products material lines but after treatment of the surface flatness of the glass will be reduced. General hollowware glass cut mouth is relatively rough can be used after this method of polishing. Applicable material glass: soda-lime glass, high bouncing silica glass

Negative effects: easy to explode

Method 2 polishing powder polishing

The use of polishing powder on the surface of the glass of the high-speed friction to remove scratches, sassafras hair and so on, can be more limited to improve the translucence of the glass and the effect of refraction! In the polishing before polishing parts of the belt sanding

Pure plane application of more than 400 mesh diamond grinding disc polishing. This method of polishing the use of many tools and materials, but the effect is better. Or wool wheel cerium oxide (common name: rare earth polishing powder) on the production and use of machinery will not be described in detail,

Applicable materials glass: the vast majority of glass products

Negative effects: slower

Method 3: acid polishing

The use of acid corrosion of glass, the surface treatment of glass. For the surface treatment of glass, it is also necessary to sand the surface of the glass with an abrasive belt before polishing, because acid polishing can reduce the thickness of the glass by a lot, but it is not necessarily able to remove all the lines of the glass. The formula varies according to the material of the glass. This method is dangerous! It is not recommended to be tried by individuals without experience or a fully equipped company.

Suitable for glass: any glass (but the effect of polishing is determined by the glass material itself)

Negative effects: Smoothness is not easy to control, and the corners of the glass products have a certain degree of loss.

Second, how to polish glass

Glass polishing steps:

First, the glass surface cleaning and glass polishing before the preparatory work

1, first of all, to be corrected by the edge of the glass

2, the glass is not a good choice. The edge of the glass to be corrected first, surrounded by tape, so as not to dirty the surrounding environment when the glass polishing.

2, carefully clean the glass and the surface of the glass polishing sandpaper, there can not be any dust, sand and other adhesion.

3, before the glass polishing, first use a marker pen in the back of the glass to polish the corrected part of the circle, to avoid displacement caused by the polishing area is too large.

Second, with P120 #, P240 #, P400 #, P600 # of glass sandpaper to clean up the glass scratches

1, pay attention to the sandpaper model here and the daily hand-polished sandpaper model labeling is different, not to be mixed with the daily use of sandpaper.

2, the polishing liquid according to the need to pour out a little, to 1:1 ratio of water dilution, not more than 1:5, dedicated to the use of sandpaper polishing.

3, scratch polishing must ensure that the polishing fluid is sufficient, at any time the sandpaper can not be directly in the glass surface dry grinding.

A. Deeper scratches (hand feel obvious): P120 # glass sandpaper initial grinding - - and then P240 # sanding flat - - with P600 # sandpaper and then grinding again, so that the surface to meet the requirements of polishing, can also be omitted directly into the third step.

B. Slight scratches (no feeling by hand but there are white marks): P400 # glass sandpaper initial grinding - - P600 # sandpaper and then grinding again, so that the surface to meet the requirements of polishing, can also be omitted directly into the third step.

Third, change and add the original polishing liquid using special use of the polishing wheel to restore the glass bright

1, wipe the glass clean and observe the range of sandpaper sanding, coated with the original polishing liquid using the special use of the polishing wheel (using the appropriate pressure, the polishing machine tray and the surface of the glass should be flat) polishing. If there is no polishing machine can be used for manual polishing tablets, pay attention to this time to move not too fast, fine sanding, to ensure that the effect.

2, such as poor luster, then repeat the above steps

Note: the high level of more than 100 microns deep scratches, although it can be removed by polishing, but after polishing will affect the safety performance of the glass, especially the front windshield glass surface more than 100 microns deep scratches are not suitable for polishing.

Simply summarized: first wet grinding with sandpaper to gradually remove traces, and then polishing tablets with polishing fluid polishing