Metal tumbling: types, fillers, technology

Metal tumbling: types, fillers, technology – Turner

Good day, dear Kulibins.
___Three years ago I came across this post (links are prohibited)???? It’s a shame, there’s a beautiful picture there. The picture really stuck with me. But at that time I did not have a decent car on which I could use such beauty or technical capabilities. And polishing by hand didn’t really inspire me.

____Time passed... I slowly became interested in polishing. And by chance I came across a description of mechanical polishing using stones/tumbling bodies/chips on the Internet.___This technology interested me very much.

And at the general council a decision was made! “TATTING” to be!___Those who read my blog with my old Rydvan probably remember how last summer I tried to put my alloy wheels in order (read the community rules)???? the link is not allowed, so instead of it???? “A lot of time was spent, but in the end there was little result.”

___And this spring it was decided to do the tumbling myself. They ask for too much money for a finished tumbling machine (and judging by the design, it will fall apart on the first disk).

___I went and bought a pipe + a plate, the rest was found in the repair area and after two months of welding work the process was completed.
___You can see how tumbling works in the first video you come across from the Internet.

___Over the course of a year, I collected information on the design of the installation itself. Unfortunately, I couldn't find any drawings. So I downloaded a few photos. And already focusing on them, he began to build a “ROCKET”????.

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We assembled the tumbling using available materials. They sculpted what they found in the workshop.

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They didn't chase beauty.

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We installed two platform vibrators. Securing them at an angle of 45 degrees.

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A frequency generator was also purchased to set the vibration frequency.

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To attach the disk, a pipe was used, having previously cut a thread on it.

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The body was made from a water pipe. How do you like its thickness?

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Doesn't it seem like it can't be broken? But we did it. The seams were cut with a grinder and boiled. It's holding up so far, without the duct tape everything would probably have fallen apart.

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The next surprise awaited us from vibration motors. This is outright trash. Bought new. They were assembled, stupidly, on Chinese bearings and without lubrication.

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They learned that they had no lubrication when one motor burned out. We bought another one. We disassembled all the motors, replaced the bearings with normal ones, and lubricated them. While they are working.

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Now about the couch experts. They brought these discs. Killed by industrial sandblasting. The surface of the disc was 60-grit sandpaper. It was possible to sharpen knives.

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We bought shebenka (gravel) and struggled with the discs for a very, very long time.

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After much torment, this is the result.

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This is the maximum that can be obtained from tumbling in sand, shaben, gravel and other materials from a hardware store. There was plenty of time, we tried everything.

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Well, after the gravel, tumbling bodies (chips) of three different fractions were used. Rough grinding. Preliminary and final sanding. At all stages of vibro-polishing, special chemicals are used. Without it, just like without chips, beauty cannot be achieved.

And the result was masterpieces like these.

Tumbling filler otec

Metal tumbling is one of the methods of processing metal parts and workpieces, which involves cleaning the surface from corrosion, scratches, dirt and burrs. The end result of tumbling is similar to the effect of polishing. It is performed on special equipment by processing workpieces with an abrasive, which uses various bulk substances.

Tumbling fillers

The type of filler directly determines the degree of final processing, be it polishing or grinding the material. The filler for tumbling is selected in accordance with certain requirements. First of all, you need to pay attention to the following factors:

Depending on the type of part used, the abrasive is suitable for finishing ceramic, wood, porcelain, plastic, sand, glass or even nut shells.

Today, the market offers a huge range of abrasive materials, both domestic and imported. It is worth noting that the quality of the filler practically does not vary depending on the manufacturer. Therefore, you don’t have to overpay when purchasing filler. You can only take the manufacturer into account when choosing plastic, since the performance characteristics and service life depend on the quality of the raw materials.

If you plan to use tumbling equipment for home purposes and processing simple metal parts, it is not necessary to purchase factory filler. Depending on the purposes of processing, improvised materials such as pebbles, finely broken glass or the remains of broken ceramic dishes can be used. For small equipment, 10 liters of such filler will be enough, which can be used repeatedly.

With proper operation of tumbling equipment and selection of appropriate filler, high-quality processing of workpieces can be achieved. The efficiency of tumbling significantly exceeds the efficiency of manual processing.

Stone tumbling at home

It is almost impossible to grind stones at home and without special equipment. For a single tumbling, you can use some available tools, but the quality of the work cannot be compared with specimens processed using professional equipment.

Tumbling stone using a concrete mixer

To clean stones from dirt and rough grinding at home, you can use a concrete mixer. To do this, the samples to be processed are placed in a concrete mixer, an abrasive filler or detergent is added to it and turned on at a certain speed. It is advisable to pre-build a cover to cover the drum window.

In this way you can tumble medium and large stones. Small samples will be difficult to separate from the abrasive media and are more likely to be damaged.

Machine for tumbling stone at home

If you regularly need to tumble stones at home, you can build a special machine. To do this, you will need a small cylindrical container with a lid, an electric motor (you can take it from a fan or an old washing machine) and a small shaft that will drive a homemade drum. You can also use the shaft of an emery machine with adjustable speed, on which an abrasive wheel is mounted, as an electric drive.

A small amount of stones and abrasive material is placed in a container that is fixed to the machine. After turning on the homemade installation, the stones are ground in with an abrasive filler.

Stone tumbling by hand

Stones with a high level of fragility and softness can be processed manually at home. To do this, you will need a container of water, a metal plate measuring 20x10 cm and fine-grained sandpaper.

Sandpaper is wrapped around a metal plate and then dipped in water. Take a stone in your hands and alternately grind all its edges on sandpaper until they acquire a rounded shape. Periodically, sandpaper must be moistened with water.

This method cannot process a large number of stones, and the quality leaves much to be desired.

Grinding

This stage can be called a “pioneer”, because it is used first after casting. During grinding, the product is “cleaned” of:

sprue (the hole through which metal is poured into the mold);
flash (excess material on the product remaining after casting).

Grinding is carried out first mechanically, using a machine and wheels of different abrasiveness, and removes the most noticeable flaws and irregularities. After this, small elements of the decoration are processed manually using a drill. A variety of attachments allow you to reach even the most secluded places.

Tumbling: features of processing metal products

As a rule, a frequency of 10-50 rpm is used for tumbling in bells, and 20-60 rpm in drums. The drums in which tumbling is carried out have a hexagonal or octagonal shape. Also, such equipment is characterized by the presence of a cover. Sheet steel is used for manufacturing. Increasing the quality of mixing is accompanied by the presence of longitudinal corners inside. This is also achieved by rotating around an inclined axis. Equipment made of steel is lined inside with the following materials:

plastics;
rubber;
tree.

The bell in which tumbling is performed is made of sheet steel 3 mm thick. This equipment uses the following materials to remove defects from the surface of metal products:

emery;
quartz sand;
marble and porcelain battle;
ceramic prisms.

Tumbling of parts

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Leave a request, we will calculate everything and contact you!

The tumbling method is selected depending on the volume and size of defects, thickness, shape and size of parts and other surface treatment conditions. Tumbling allows you to clean the surface of metal products, remove using an abrasive method any burrs, traces of corrosion, scale, scratches and other unwanted defects formed after production or during long-term operation. If necessary, long-term polishing can achieve a mirror finish.

Cleaning, processing, grinding, polishing - all these results can be obtained after tumbling the products in a special drum, using abrasive materials (dry and wet). At TorgKoms-Group production, different types of final cleaning are available: drum, vibration, large and fine, rotary, etc.

Tumbling is available for products of different shapes - square, spherical, rectangular, trapezoidal, complex geometry.

Ceramic
Plastic
Organic

To improve the quality of processing, a common method is in which thermoplastic polymer resin (compound) and water are added to the drum.

Technology and abrasives are selected primarily for compatibility with the product material: if it is necessary to maintain maximum identicalness to the original dimensions. Despite all its advantages, tumbling has one significant drawback - the larger the abrasive, the more intense the impact on the part. This parameter is especially important when working with aluminum and other soft materials.

Available for processing - ferrous metal, various types of steel, including stainless and structural, titanium, copper, aluminum and their alloys, types of non-ferrous alloys.

If the requirements for surface quality are not so high or the products initially do not require additional abrasive cleaning, we suggest you consider others for processing rolled metal products:

GALVANIC GALVANIZATION PAINTING

Each type of work contributes to the creation of a reliable protective coating, allowing the parts to also have an aesthetic appearance.

Tell our specialists about the project data, suitable technology and problem solving options will be presented to you as soon as possible. You will receive the finished products in , both upon delivery within Russia and upon pick-up from our warehouse in Moscow.

Have questions? Ask our manager and get the best price!

Galtovka

Tumbling is the grinding or polishing of metal products with abrasive media in a rotary (vibrating) drum to remove dirt, burrs, scale and oxides, and smooth the surface and edges. The efficiency of the process is affected by the abrasive fraction, the ratio of the volume of the parts to be finished to the mass of the grinding mixture, and the rotation speed (vibration frequency) of the container. Tumbling is a finishing treatment included in complex services (cutting, molding, etc.), but you can order it separately. We carry out all work in accordance with current standards.

Regulations

According to GOST 23505-79: tumbling is a waterjet (liquid-abrasive) treatment of workpieces moving together with abrasive particles and liquid in a rotating closed container (drum). Vibro-tumbling (vibro-abrasive processing) - abrasive processing of workpieces with tumbling bodies in a vibrating container. GOST 10548-74 normalizes the parameters of general-purpose cleaning tumbling drums. The working cavity - a circle (or 6-8-sided prism) in cross section - is intended for polishing castings and forgings that are not subject to destruction during tumbling.

Vibrating tumbler

The dry tumbling method is economical and simple: the surface of the part is cleaned completely except for the holes, the mechanical properties of the product do not change, the distortion of linear dimensions for dimensional workpieces is not taken into account, thin forgings require straightening. Vibrating tumbling (dry tumbling) is used for finished forgings processed by cutting during stamping, and intermediate ones - after precision stamping. Shape of processed workpieces: straight or round without small holes and thin sheets weighing up to 50 kg. Tumbling medium: steel balls, sawdust, leather waste, lime.

Water jet finishing

Hydraulic abrasive finishing (wet finishing) is used for streamlined and rectangular workpieces up to 16 kg, not processed by cutting, when the quality of the surface is more important than the geometry of the part: the dimensions during wet finishing are distorted significantly, the edges and edges of the product collapse. Grinding components: liquid (weakly acidic and alkaline solutions of soap or soda in water), tumbling bodies (quartz sand, shot from fired ceramics, granite crushed stone, limestone, basalt, glass).

Purpose of tumbling mixtures

The purpose of tumbling mixtures is different and depends on the size of the abrasive fractions: fine abrasive - for cleaning and polishing thin-walled workpieces, forgings with internal roundings and protruding edges, parts with holes, the shot cross-section is selected to be less than 1/3 of the hole diameter or much larger, ceramic is used for precision polishing abrasive; coarse abrasive - for rough grinding of thick-walled parts and smoothing edges. It is possible to tumble flat parts of simple shapes (circle, square, rectangle, trapezoid, etc.), including holes in the products. Separate approval (in particular, processing of a pilot batch) is required for tumbling parts of complex geometry. There are dimensional restrictions for products. The cost of tumbling services is 10% of the price of the service for cutting parts.

The essence of tumbling technology, equipment and materials

Tumbling is the processing of workpieces with bulk or liquid abrasive materials in special containers that are subject to rotation or vibration. We will tell you about the technology, the materials and machines used, and the types of abrasive fillers.

During the manufacturing process of various metal products or parts, defects such as burrs, scale, remnants of casting particles, dirt, or areas of corrosion may form on their surface. All this must be removed from the surface. For these purposes, the tumbling method can be used. What it is? The technological process of processing metal by exposing it to bulk abrasive material, which, together with the parts, is placed inside special equipment and subjected to rotation or vibration.

After tumbling treatment, metal parts acquire a marketable appearance and in some cases may receive additional positive qualities. Abrasive is nothing more than particles of corundum, emery, sand or other materials. Bulk mixtures are used for dry tumbling of steel, while special solutions are used for wet tumbling. The tumbling method is sometimes used to polish products.

Purpose of metal tumbling

As mentioned above, metal tumbling allows you to remove the following defects from the surface of products:

sharp edges when stamping sheet metal products;
burrs formed during cutting of workpieces or turning;
scale after welding or metal cutting;
remnants of flash from parts made by casting.

In addition, tumbling effectively polishes products to a mirror-like surface. Parts that have been subjected to tumbling can then be subject to galvanic treatment or painting with powder mixtures.

What metals can be tumbled:

special purpose alloys;
black metal;
structural steel;
AISI stainless alloys;
titanium materials;
aluminum and its alloys;
copper and copper-based alloys;
silver products.

Tumbling equipment

To perform tumbling operations using the vibration method, special chambers are used, equipped with mechanisms that create vibration (eccentrics). They force the camera to oscillate at a certain frequency from 50 to 15 Hz in different directions, while inside the working space a peculiar movement of workpieces and abrasive material is observed. Vibrating chambers are suitable for tumbling large parts that are pre-fixed inside.

Consumables

prismatic ceramic particles;
fine scrap of porcelain and marble;
steel shot;
abrasive bodies made of plastic;
zirconium oxide;
emery and corundum.

Equipment

For tumbling, special tumbling machines are used, which are standardized by GOST 10548-74. The working surface in cross section is a circle or a prism.

The simplest type of equipment is a tumbling drum. Rotation is carried out using an electric motor, processing occurs due to the free mixing of the abrasive and parts. It is used for simple products, has low processing speed and efficiency, and visual control of the process is not available with this method.
Vibration equipment - the most common today - is an open bath with an attached vibration drive, which imparts oscillatory movements to it. Abrasive bodies begin to cause micro-impacts on the surface, removing a thin top layer. This type of equipment allows you to simultaneously process large batches of parts.
Rotary equipment is a fixed drum, in the lower part of which there are rotating blades. Disadvantages include rapid wear of the inner surface of the drum and the inability to process large products. The advantage of this method is the high productivity and quality of the resulting surface.
Spindle equipment - the part is fixed in the spindle, lowered into a container with abrasive material and begins to rotate. It is possible to carry out slow, unidirectional or any other specific actions. Used in high-tech industries: aircraft manufacturing, medical prosthetics.

Process description

The tumbling technology is not difficult to understand: it is based on the same effect of abrasive on the surface layer of the metal, but unlike abrasive discs, bulk abrasive is able to penetrate into any hard-to-reach places of the product, which is a great advantage. Another advantage can be considered the fact that the tumbling processing method does not lead to overheating of the workpiece. As the drum or centrifuge rotates during the tumbling operation, the abrasive naturally rubs against the surface of the metal parts and scrapes off a thin layer of coating that is invisible to the naked eye. Since this friction occurs constantly, the thickness of the metal is removed, and with it all defects.

In production, there are two main methods of processing metal using this method:

tumbling in a dry environment;
tumbling in a damp environment, or wet tumbling.

In the first case, the abrasive consists of different bulk components. This method of metal processing is suitable if you need to carry out finishing or eliminate burrs. The duration of tumbling is determined only by the condition of the product and can reach several days. In the process of so-called wet tumbling, parts are placed in solutions of different compositions, but essentially this is a mixture of dry abrasive with caustic or soda ash, the soda solution should be two or three percent. It is permissible to use a soap solution.

It should be clarified that the rotation speed of the equipment during tumbling is selected based on the following indicators:

sizes of metal products, their shapes;
volume of the working chamber of the equipment;
the result that needs to be achieved during tumbling processing.

What is tumbling?

Tumbling is the name given to stones of a natural, slightly rounded shape, polished on all sides. Most often, such inserts are used in beads, bracelets and necklaces.

This is one of the few methods of stone processing that is performed automatically: jewelry made from gems processed in this way is the most accessible.

Raw stones of similar size, shape and hardness along with abrasive powder are poured into a metal drum. The whole structure rotates and rattles (sometimes for several days), after which it produces nice polished pebbles. All that remains is to drill holes for the thread - and you can assemble the decoration.

But handmade tumbling is especially valued and most beautiful. The fact is that pebbles rotating in a drum are evenly ground down on all sides, and natural material, as a rule, has rather deep cavities and cracks. As a result, by the time all the defects are sanded away, very little remains of them. Working with each stone individually, the master can “pull out” a much larger volume from a natural pebble of the same size, and, in addition, leave only that part of it that has the most expressive pattern.

Technologies and equipment for tumbling

The tumbling process is carried out on various equipment, for example, tumbling drums and tumbling vibrating machines of various types.

To carry out the tumbling process, a filler (medium) is required in which the workpieces are processed and the required quality and roughness of the machined surface of the part is ensured.

The filler and parts are set in motion relative to each other in the working capacity of the machine (drum).

Tumbling machines are divided into a large number of types, for example: mechanical and electromagnetic, in turn, mechanical ones are divided according to the type of movement into rotating drums and drums with a vibration drive.

Tumbling drum

Tumbling drum This is the most primitive and affordable machine for finishing material.
It is made in the form of a multifaceted drum or cylinder. In relation to the axis it can be either standardly horizontal or vertical, or at a certain angle. The drum is started using an electric motor. Finishing and cleaning of stone is carried out by mixing materials and abrasive chips in free space during operation of the installation. This machine is considered the most affordable option for private jewelers.

Vibration installation

Tumbling vibrating machine The machine is the same drum of a certain shape with a vibration drive mounted on the body. The tumbling mixture and materials for processing are loaded inside the drum. Additionally, solutions of compounds for wet type processing can be added.

The operating technology of the machine is as follows. An electric motor with a vibration drive of a drum with abrasive and processed material starts the machine. As a result of oscillatory movements, processing materials and fillers move inside at a certain speed. The result of the movement is microimpacts on the surface of the stone with the removal of the top layer from the surface - grinding and polishing.

Rotary centrifugal machine

Centrifugal tumbling The most modern version of finishing equipment is a centrifugal rotary machine. The operating algorithm is based on the use of a vertically fixed stationary compartment with a rotating plate and blades in the lower part.

The compartment is completely filled with tumbling mixture and the machine is started. As soon as the actuator begins to rotate, the tumbling mixture begins to move along with the workpieces being processed.

Towing rig

Towing tumbling Equipment of this type is used less frequently than the previous ones. The machine works like this: the product is fixed on a spindle, after which it is set in motion and lowered into the working surface with a prepared abrasive filler.

When the filler comes into contact with the product, a thin layer of material is removed from the latter in a short period of time. In order to supplement or update the filler, the spindle is launched in a new direction relative to the bowl with bodies, or a vibration drive is connected to it.

The “towing” installation is not designed for simultaneous processing of large batches of material and this is its main drawback.

The advantage is the high level of quality of finishing in a short time.

Stages of tumbling

The sawn and chipped material extracted from the quarry is sorted and sent to a rubber-lined drum, which looks like a cylinder or polyhedron with jagged edges. In the construction industry, electromagnetic and mechanical installations are used; they are divided into models with a rotating drum or a vibration drive.

Workers add metal balls, pebbles, slag, other abrasives, and water to the container to remove dust and clean (some machines are designed for dry tumbling). The drum closes and the engine begins to oscillate. The speed and duration of the processing cycle is determined by the assigned tasks. The output is tumbled natural stones of the same size, without sharp edges and with a polished surface. In one cycle, a standard installation can process about 200 kg.

Where is it used?

Answering the question of what tumbling is, it should be noted that in addition to polishing, it allows you to remove flash, burrs, rust, and scale from parts. Selecting the right abrasive material will give the desired roughness and specularity to the surface. Areas of application:

instrument making;
mechanical engineering;
construction;
jewelry making.

In addition, tumbling is used for household products (knives, blades, blades), car rims, natural materials (stones), and plastic products.

Tumbling of minerals is done to give stones a beautiful appearance, shine, grind off sharp edges, create smooth lines, and get rid of plaque and chips. Such products can later be cut or used as talismans and amulets. Tumbling is performed for such stones as:

citrine;
aquamarine;
amethyst;
shungite;
jasper;
quartz;
obsidian;
malachite;
agate;
cornelian;
rhinestone;
hematite;
aventurine.

Where are tumbling stones used?

Due to its characteristics and wide range of colors, this finishing material is used:

In jewelry. Thanks to the targeted impact on the surface of natural stone, all sharp corners are erased and the material becomes smooth. Such a stone can be carried in a bag or pocket, enclosed in a graceful and elegant frame and worn on the chest as an amulet. Stones of various shapes and sizes make beautiful pendants, bracelets, beads, necklaces and keychains.

Carnelian beads tumbling

As one of the options for finishing the facade of a house or its base, for creating decorative elements and for other external works.

Galvanized stone on the facade

For interior design. Natural stone, processed using a special technology, can be used to decorate both the walls of a room and individual parts (for example, fireplaces). Islands made of natural rounded stone create a unique style and emphasize the taste of the home owners.

Fireplace tumbled stone

When decorating artificial ponds and fountains of varying heights and complexity. Water perfectly highlights the shades of the stone and the beauty of an interesting composition.

Tumbled stone pond

In landscape construction for creating garden paths and finishing fences. Resistance to mechanical stress and the ability to withstand various weather conditions make tumbled stone in demand among landscape designers.

Galvanized stone for paths

To create an interesting interior in aquariums. The stone is very reminiscent of a sea stone in appearance, which allows the owner to create an interesting composition against which the inhabitants of the aquarium will look most advantageous.

Aquarium with tumbling stone

For creating large-area coverings - areas for summer cafes, walking areas, pedestrian paths. The area covered with rounded stone is suitable for use at different temperatures and is not afraid of moisture. An undeniable advantage is ease of care and maintenance.

Cafe area with tumbled stone

Characteristics of tumbled stone

The main characteristic of stone after tumbling is thickness. It is determined by the thickness of the feedstock, the scope of use, the technology and equipment used. Galvanized stone has a perfectly smooth surface on the front side and therefore does not require finishing polishing. That is, the material is suitable for use after tumbling.

Another characteristic is the tint range. It is determined by the type of mineral and can vary from light pastel colors to dark gray.

Galvanized stone has better properties compared to non-galvanized stone. It is resistant to moisture and sudden temperature changes.

Drum tumbling, buy tumbling drum

Drum tumbling is intended for cleaning the metal surface from corrosion, rounding edges, removing burrs, and cleaning stamped and cast parts. The parts are removed manually into a container on a pallet. ADDITIONAL. EQUIPMENT

Tilt axis;
Stainless steel tray for unloading;
Made from stainless steel;
Internal polyurethane coating (Wet finishing system);

*Control unit with timer is included in the price..

Select and order

MODEL Nominal drum diameter, mm Working volume, l Power, kW Voltage, V Cost, rub. Internal polyurethane coating

MAG-2	100	2	0,15	220/380	20000	9000
MAG-6	150	6	0,15	25000	10000
MAG-15	200	15	0.25	85000	12000
MAG-20	225	20	0,5	90000	15000
MAG-27	250	27	0,75	95000	17000
MAG-47	300	47	1,1	100000	18000
MAG-60	325	60	1,1	110000	19000
MAG-74	350	74	1,1	150000	19500
MAG-91	375	91	1,5	165000	21000
MAG-111	400	111	1,5	380	175000	23500
MAG-217	500	217	1,5	190000	25000
MAG-280	600	280	4,0	250000	27000
MAG-446	700	446	7,5	300000	37000
MAG-665	800	665	11	450 000
MAG-947	900	947	11	choose
MAG-1300	1000	1300	15	choose

Order selection of technology and tumbling bodies

Tumbling machine

The Engineering Center produces drum finishing machines of various sizes.

COMMON DATA

Tumbling is designed to clean metal from scale and corrosion, and also allows you to round off sharp edges and remove burrs. Tumbling drums of hexagonal and cylindrical shape are used as equipment. Hexagonal drums provide optimal processing results when finishing various products.

The process of processing parts in a tumbling drum is as follows (see figure): when the drum rotates, the volume of parts in abrasive particles rises to the top, and an avalanche-like working area appears, in which the continuous process of cleaning parts occurs.

By design, tumbling drums can be divided into:

two-support;
two-support with an inclined axis;
console (bell);
perforated drums for wet finishing;
special.

Tumbling drums differ in the design of the support units, the fastening of the lid, and the presence or absence of partitions inside. Partitions are used when processing small parts.

When processing heavy, large parts, such as castings, the chamber size is made so that one or two parts fit into the chamber.

When processing hard materials (stone, shot, etc.), small diameter drums are used.

Tumbling drums with an offset axis create complex, intense movement of parts inside the drum, as well as good mixing of them with abrasive material. During one revolution, the speeds of movement of parts are different, processing occurs more intensively and efficiently.

For fine grinding of parts (polishing and superfinishing), perforated tumbling drums operating in a special liquid are used.

Technical description of tumbling machines of the MAG series

Tumbling drums of the MAG series have a special polyurethane coating on the inside, which reduces noise during operation and also extends the service life of the drum.

We install speed controllers on all tumbling drums. The maximum speed of our tumbling machine is 35-45 rpm. The larger the drum diameter, the lower the rotation speed. For example, for a diameter of 500 mm, the rotation speed should be 30-40 rpm, for a diameter of 800 mm no more than 25 rpm.

Moscow region, Dmitrov, st. Professionalnaya, 169

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Experience (years): 5 Employees: 25 Area (m²): ? Machines: 26

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Welcome to the vibration abrasive metal processing workshop.

If you need to significantly improve the quality of products after laser or waterjet cutting, stamping, casting, turning and milling - you have come to the right place! Effective processing of parts after cutting processes, dulling of cutting edges, radius of sharp edges, removal of burrs and coarse scale, uniform grinding.

Grinding

Effective processing of parts after cutting, casting, stamping. Radius of sharp edges, removal of burrs and coarse scale.

Polishing stainless steel and aluminum alloys. Multi-finish processing technologies.