Honing the engine cylinders - an event that ordinary car owners rarely face. It is rather familiar to the professionals of service centers or masters, which are engaged in the modification of automotive motors at a serious level. The honing process itself is more than important, so an advanced motorist, which is interested in engines, should have an idea, which is this procedure, why it is needed and how it is performed. About this further in the article.

Honing what is it

Many car owners are familiar to the term "boring motor", which can be performed either to increase engine power, or to eliminate the so-called "effect effect" during major repairs. When the reassurance of the cylinder of the power unit is complete, it is necessary to conduct their honing.

Honing the cylinders is the final stage of their processing. It is carried out using a special toolkit, so it will not work independently to harvest without service equipment. The main task of this event is to increase the service life of the motor, due to the decrease in the wear of the elements during their work.

Honing the cylinders, which gives the engine honing

Many professional workshops are engaged in hosting motor cylinders. The main task of honing is to reduce the roughness of the cylinder walls, which makes it possible to improve the quality of the accuracy of the piston rings and pistons. In the process of operation, the power unit loses its initial characteristics, resulting in problems in its work. Elements and parts of the motor are capable of changing their shape. If you look at cylinders in the context, they have the form of oval. In the process of operation and / or repair on their surface, scratches and traces remain. This entails such problems as:

1. Loss of compression abilities.
2. Reducing engine power.
3. Improving fuel consumption and engine lubricant.

Stages of boring and honing

The problems described above entail the repair of the power unit. If you do not do this on time, the condition of the cylinders can adversely affect the performance of other mechanisms, which will lead to more serious breakdowns. There are cases when, as a result of the maintenance of repair, it was necessary to make the replacement of the entire crank-connecting mechanism.

Repair at several stages:

1. The worker reasures all the sleeves in accordance with a certain repair size. If earlier the repair was not satisfied, the boring is done until the first size. Mandatory Make a few millimeters of the allowance.
2. Honing is performed to give the sleeves of the correct shape and to reduce roughness.

Boring and honing is made in stages:

1. First there is a rough processing. It is done with the help of coarse abrasive materials. The initial form is returned.
2. The cylinder is cleared with a special abrasive. Honing occurs with a bar with a diamond or ceramic spraying. The timber is located on the honing head, which rotates and performs movements down and up. Such a device makes it possible to have high accuracy in the process of completing the honing. From the surface of the cylinders with the help of abrasive materials, scratches are removed, so the allowable degree of roughness occurs.
3. At the end of the honing, the surface of the treated cylinder is cleaned of garbage.
4. Some experts purify the surface with a special paste.

Abrasive material for honing

For honinging the cylinder block, there is enough presence of any abrasive material, however, it is better to use bars with a coating from diamond or ceramics to go to the cylinder themselves.

Diamond and ceramic bars

Ceramic abrasives have a property to quickly wear out, in comparison with others. As for diamond abrasives, they "save" the physical efforts of a specialist during processing. On the surface of the cylinder after diamond abrasives there are more metallic particles.

Large abrasive

Abrasive with large grain is used at the initial stage of the Honing procedure for the formation of the surface, which is rather coarse, has increased roughness and deep risks.

Honing tool and devices

An ordinary machine will not suit the completion of honing, as the work of special equipment is required. As mentioned above, the boring is made using bars with abrasive materials. The number of these bars should be 5-8 pieces. For uniform processing, it is necessary that the bars are located over the entire surface of the cylinder, which is currently processed. To set the tool, you will need help hydraulic drive.

The grains of abrasive material are attached to the bar with a bundle of plastic. These bars are made so that the diamond spraying is able to self-turn.

Types of finishing processing polishing

There are several types of finishing:

1. Grinding - method of processing material using a cutting abrasive tool. The processed surface is a shaped, cylindrical, conical, and so on.
2. Loading (finishing).
3. Honing.
4. Super finalization.
5. Polishing is a finishing operation used to impart the surface of a metal shine, increasing external beauty and durability, or as a preparatory event before nickelting, chromening and other coatings.
   
6. Ultrasonic processing.
7. Electrospall processing.
8. Light metal processing.

Honing cylinders with their own hands, Honing technology

It is impossible to produce a boring without special equipment. Flat-host Honing can be carried out independently. Such an event consists of several steps:

1. First use a special tool with abrasive materials. Chernovaya processing is carried out by eliminating the damaged layer of the cylinder, as well as leveling roughness.
   
2. Then the actions are performed by small abrasive, with which it turns out quite high accuracy. To ensure smoothness, use abrasive pastes.

Black Honing Cylinders

The first stage is a rough processing carried out by coarse abrasive. In this case, the mechanism is given its original, rounded form. In fact, this stage consists only in the coarse friction of the cylinder by abrasive.

Closing Honing, Superfinishing

With the help of adjustment (wipes), various deviations of surfaces are eliminated, such as non-cylindrity, non-slance, waviness. Advanced provides accurate sizes and small surface roughness. As for superechinishing, it is carried out in order to reduce the height of the micronether, which were obtained after the previous processing.

Finish cleaning abrasive paste

When the Honing process is over, most of the masters perform the purification procedure with abrasive pastes. This finishing processing makes it possible to maximize the smallest depressions that are not visible to the naked eye. Thus, specialists can achieve a perfect smooth surface, as well as to give the cylinders the required form.

Council Pro: Wash dirt and metal particles when honing with your own hands

After the end of the final processing, the surface of the cylinders should be cleaned of abrasives and metal residues. To clean the depressions and pores from unnecessary residues, a washing washing with soap warm water. And to remove metal chips, the cylinders are polished with a soft abrasive brush.

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