How to make sandblasting with your own hands?

Cork boards cannot be installed immediately after delivery, they must be opened and left for 1-3 days (the accompanying instructions indicate the adaptation time) - a very useful and functional apparatus that is used in many areas. On sale you can find a huge number of models of sandblasting units - from budget to very expensive products. Many users prefer to design such a technique on their own, because there is nothing prohibitively complicated in this. In this article, we will learn how you can make high-quality sandblasting with your own hands.

Before understanding the self-assembly of a reliable and effective sandblasting, it is advisable to study what structural elements it consists of. So, home-made units are usually assembled on the basis of typical schemes, which differ from each other in the technology of supplying sand to the treated surface of the base. Despite the fact that different devices have a different constructive arrangement, the same "vital" units are provided for all variants, namely:

• compressor - this is a device that is necessary so that the air mass in the apparatus can be pumped without problems and in a timely manner;

• receiver - this part is needed to create the necessary supply of air during the operation of equipment;

• tank (reservoir) for the abrasive component;

• gun - the main device, which is designed to supply the abrasive composition to the surface of the base;

• hoses.

Regardless of the assembly plan, sandblasting units create an incoming air flow coupled with abrasive components. When the pressure circuit is assembled, the sand under the action of high pressure is sent directly to the outlet pipe, where it is directly mixed with the air transmitted from the compressor side.

Today, there are many variations of the schemes of such equipment.... Due to this, users have a lot of opportunities for self-assembly of sandblasting machines. A good device can even be obtained from correctly selected improvised materials that previously seemed completely unnecessary and useless.

You can make a very good sandblast with your own hands from an ordinary gas cylinder. This is one of the most popular manufacturing methods used by many homemade lovers.

A cylinder sandblasting machine is a very simple but reliable device. To assemble it correctly, the wizard will need the following components:

• ball valves - 2 pcs.;
• unnecessary gas cylinder;
• part of the pipe - a funnel-shaped part will be made from it to fill a special container inside the apparatus with sand (abrasive component);
• tees - 2 pcs.;
• hoses with passages of 14 and 10 mm, which will be used to send air from the compressor and output the finished mixture;
• clamps by means of which the sleeves will be attached;
• special fum-tape, which is useful for sealing the threads of various components of the sandblaster.

If all of the listed components are prepared, you can start assembling a homemade device. Let's analyze step by step how to assemble it correctly.

• First, the master must competently prepare the tank of the future unit. You will need to scrupulously remove absolutely everything that is there from the cylinder. It is necessary to thoroughly clean the internal surfaces of the structure. For such purposes, you can use various detergents, but only those that do not contain abrasive components. After that, you will need to wait until the workpiece is completely dry.

• Further, in the prepared cylinder, you will need to make several holes. The top one will be for adding sand. It should be borne in mind that the size of this hole must necessarily correspond to the diameter of the pipe prepared for assembly. The lower hole will be used to fix the valve to the cylinder.

• In the next step, the master will need to install a crane.... It can be welded very tightly and tightly, or you can simply screw it with an adapter pipe - both options will do.

• After the tap, you need to put a tee, and with it the mixer block. For effective sealing of threaded fasteners, you need to use fum tape.

• On the cylinder valve you will need install a tap, and behind him another tee is fixed.

At the last stage of the assembly, sandblasting it is recommended to attend to its mobility. To do this, wheels or handles can be welded to the device for more convenient movement.

After that, the master will need to connect all the necessary parts to form the channels for supplying and ejecting the composition. Let's divide this step into several stages.

1. The tee that is located at the bottom, as well as the balloon valve, will need to be connected by means of fittings.
2. An air inlet hose with a 14 mm bore must be carefully positioned in the space between the mixer block and the tee.
3. A discharge unit must be connected to a branch of the tee with a fitting that is not tightened.
4. The abrasive combination hose should be connected to the last outlet of the tee from the bottom.

In order for the structure to turn out to be absolutely sealed, a reliable screw cap must be installed on the pipe filling the balloon with sand.

The sandblasting machine can be built with your own hands and from other components. So, very good equipment is obtained from a car compressor, a pressure washer, a receiver and many other devices. Consider several schemes for the manufacture of sandblasting from similar structures.

At home, you can collect a very high-quality and powerful sandblast from a pressure washer. For example, very good equipment is obtained from sinks from the German brand Karcher. Such devices, designed for effective car wash, generate a very high water pressure, but under the condition of its low consumption.

This will require the following components:

• a ceramic nozzle, made by hand or purchased from a specialized store;
• reinforced hose;
• a mixing block or tee with a suitable fit diameter;
• a unit that regulates the flow, as well as a cylindrical dispenser;
• a tube designed to pick up an abrasive, it is equipped with an air supply path to a closed tank with sand or any other abrasive.

The water equipment from the sink can operate on the basis of an ejector circuit. Water, under the influence of high pressure, overcoming the mixing block at a rapid speed, forms the necessary vacuum in the path where the abrasive is supplied. Sand can come in and out with fluid under very high pressure.

Self-made water devices are very convenient to use and easy to manufacture. Such devices have some features that need to be taken into account.

1. The flow rate is very high at a low flow rate. Due to this, a self-made installation can be used, for example, for glass, for the purpose of frosting and other similar work.
2. In order to be able to maintain a stable feed, it is necessary to use such an abrasive that is characterized by uniform dispersion and a small fraction. So, in a domestic environment, sifted river sand will be an ideal solution.

If it is necessary to assemble a compact and most convenient sandblasting machine, it is permissible to take a conventional air blow gun as its basis. Such devices are obtained which demonstrate rather high efficiency indicators.

It should be borne in mind that the performance of such homemade products directly depends on the compressor. To assemble a high-quality device, the master will need the following components:

• ready-made pneumatic blow gun;
• high-quality plumbing tee;
• ball valve, which will be needed to adjust the supply of the abrasive component;
• outlet nozzle with compression nut.

The finished design will not be too complicated and intricate in its design... As a reservoir that will be used to accommodate the abrasive, you can take a light cylinder from a small powder-type fire extinguisher. If there is no such component, a container from a bottle will do.

The sandblast can be assembled very quickly and easily using a conventional spray gun. Such a device can be easily built at home in just 10-20 minutes.

The sandblast can be assembled very quickly and easily using a conventional spray gun.

• a mixing valve from a simple spray gun;
• a handle in which a mechanism for supplying air masses is provided;
• a bottle that will contain abrasive mixtures;
• tee;
• ball-type valve regulator.

The scheme of work of such a homemade product will be extremely simple and understandable. To collect the sandblast from the spray gun, you will need to proceed as follows.

1. First, you will need to carefully grind the gun of the spray gun to apply a nozzle of the correct size.
2. Next, you will need to attach a mixing tee to the gun.
3. At the end, the master will need to fix the hoses responsible for supply and circulation.

The listed methods of making sandblasting are far from all. Users can DIY equipment from many other elements and parts.... This creative theme is not for a weak creative mind. For example, a good device can be obtained not only from a propane or freon cylinder, but also from a conventional fire extinguisher.

It is also possible to make various components of sandblasting technology with your own hands from various kinds of materials at hand. For example, a high-quality ceramic nozzle for such equipment can be built from used spark plugs, which are very often found in the garage of many motorists.For such work, it is required to unscrew the central part of the candles, then, from the side of the nut, they are cut off with a grinder. You must do this yourself as carefully as possible so as not to accidentally spoil the ceramics.

Most of the options are quite possible to build yourself, since the assembly process is simple and straightforward.

If you decide to take on the independent production of high-quality and effective sandblasting, then you should take on board some useful tips.

• Experts who make such equipment at home claim that the device will work much longer if it is present moisture separator... If we are talking about home-made piston equipment, then it is recommended to install a system at the inlet stroke that will effectively filter the oil.

• Before self-manufacturing sandblasting, especially if its design is complex enough, it is recommended to make all the necessary drawings in advance. On them, the master should indicate all the parameters of the future design, paying attention to the location of all structural details.

• A home-made sandblasting machine based on a spray gun can be equipped with an abrasive reservoir in the form of a regular bottle. As a rule, its volume is sufficient for cleaning not very large parts and surfaces for about 20-30 minutes.

• You need to work with homemade devices very carefully, observing safety rules... Before putting such equipment into operation, it is recommended to make sure that the equipment is tight, as well as the sufficient strength of all the joints that are present in its structure. This test should be done every time!

• To make the work of homemade sandblasting equipment as efficient as possible, giving noticeable results, it is strongly recommended that a right angle is observed when cleaning absolutely any surfaces, for example, car disks, bodywork and many others.

• To assemble a high-quality and reliable sandblasting machine yourself, the craftsman can use the most common steel.

• If large-scale work is planned and you need to process very large areas, or structures that are difficult to clean, then it is better not to get down to business yourself, unless you have the proper experience. Such procedures will require the use of a very powerful apparatus, with which it is desirable to have certain skills. Inexperienced users are advised to turn to professionals if really large work with sandblasting is planned.

• For home-made or commercial sandblasting, quartz sand is suitable, which will act as an abrasive component. It may well have a heterogeneous structure. It should be borne in mind that if high-quality polishing of surfaces is planned, usually only small and well-sieved fractions are used. But for cleaning the fence from traces of corrosion, it is advisable to use unsifted sand.

• For self-assembly of the equipment in question, it is recommended to use only high-quality materials and tools. Only in this case the master can expect to get good results.

• It is quite difficult to make a really powerful and productive device on your own. As a rule, homemade sandblasting machines cannot boast of a sufficient level of power. To make the technique as efficient as possible, you should select a compressor of impressive power for it, then the sandblasting will turn out to be effective.

• It is necessary to collect sandblasting with your own hands very carefully, without rushing. Try to proceed strictly in stages. You can rely on step-by-step instructions if this is the first time you come across such works.If everything is done correctly, then in the end it will be possible to obtain such equipment that will work no worse than the one produced at the plant.

• If you use a gas cylinder to assemble the equipment, the first step is to completely bleed absolutely all gas residues from it.... This should be done exclusively in the fresh air. In order to completely free the cylinder from all gas residues, it is necessary to unscrew the valve with the base. After that, the tank will need to be filled with plain water. With this procedure, the gas is very easily displaced by the liquid. Then the water will need to be drained and the cylinder should be thoroughly dried.

• In order to make sandblasting equipment with your own hands, it is very important to choose correctly quality compressor. It is unlikely that it will be possible to make it on your own, so you need to pay due attention to the choice of this component.

In this video, you will learn how you can make a small but powerful do-it-yourself sandblast.