The vacuum press is an indispensable device in the manufacture of furniture and various industries where a person has to deal with MDF, chipboard, plastic elements, artificial stone etc. Additionally, the press is able to impart a certain relief to the surfaces of the material, which makes it possible to obtain products original in shape and configuration.

A vacuum press consists of several main elements:

• Frame. Often, this supporting structure is made in a collapsible type, which allows for repairs, maintenance, disassembly for easy transportation;
• Desktop. It is also a supporting structure, which is completed with a special clamping frame;
• Vacuum system. This pneumatic system is the main element, without which it is difficult to imagine a vacuum press as such;
• Sliding carriage. There is a heating element that is powered by electricity;
• Control automation. Vacuum press drying chambers, doors, carriage, the vacuum system itself function by means automatic control... The participation of the operator is minimal, which makes it possible to achieve a higher quality of artificial veneering, production of elements for furniture facades, gluing plastic, chipboard, MDF, etc.

Kinds

The vacuum press is classified according to several main characteristics. Let's start with the level of automation. Depending on this characteristic, devices for pressing wood, facades, plastic, artificial stone are divided into two types.

1. Automatic. Here the compactor of wood, artificial stone, and plastic performs all operations independently, therefore the operator's participation is practically not required.
2. Semi-automatic. These are more outdated models of wood balers, since the operator must open the doors of the press chamber, press buttons to start, turn off, remove with his own hands the compressed elements from wood, plastic, MDF. Their term is gradually coming to an end, since it is more efficient to work with devices where the mold works in an accelerated automatic mode.

Automatic models are more attractive because they take less time to complete the operation. Therefore, the manufacturer can produce more products in the same period compared to semi-automatic installations.

An equally important classification is the division of devices into membrane and non-membrane.

• Membrane installations paste over the surfaces of wood blanks with veneer or special films. In this case, a workpiece with a pre-applied adhesive is placed in the membrane. The membrane heats up Vacuum pump evacuates air, which creates negative pressure. This allows the product made of wood, MDF to firmly adhere to the film. After waiting for some time, the form is removed, the workpiece is ready for use;
• Membrane-free presses are relevant for those cases when blanks from plastic, MDF, wood are pasted over with denser films, special coatings. Membrane counterparts perform well with a thinner coating.

With such units as the Master, ST 420, the choice does not become very difficult. But the market is not limited to the Master or ST 420 presses alone. Before making a choice, it is worth understanding the varieties, features and nuances of purchasing this equipment.

There are two main types of vacuum presses in production.

1. Standard vacuum unit. This is a device that has gentle characteristics used in the manufacture of furniture elements from MDF, wood, plastic. main feature machines in that the pressure generated by them is no more than 0.95 kg / cm2. They are used when applying PVC films or veneers to simple furniture pieces.
2. With extra pressure. This is a more expensive equipment that can create pressures in excess of 8 kg / cm2. It is used to work with MDF, plastic products and elements of complex configuration.

Membranes

The membrane is important element machine used for the manufacture of wood blanks, furniture facades. The membrane has certain characteristics.

• The main task is to exclude movements when creating elements of facades or furniture components from wood;
• The membrane allows high-quality application of a thin film on a wood part that does not like high temperatures;
• The membrane is installed on special hooks that are located on the clamping frame;
• Furniture production and enterprises assembling MDF facades use two types of membranes - rubber and silicone. Rubber is used more often, while silicone is more wear-resistant;
• The use of the membrane facilitates the facing of small parts;
• These elements significantly reduce the consumption of the film required for application to parts made of wood, MDF facades, etc.

Press or bag

Before you buy yourself a press ST 420 or make a vacuum press with your own hands instead of ST 420, you should learn about such a thing as a press bag.

• The press bag is designed so that you can make a vacuum press with your own hands;
• Its essence lies in the fact that the bag itself is a press machine;
• The bag contains a product made of wood, chipboard, MDF, prepared for gluing;
• The bag is sealed from all sides, which makes it possible to achieve sealing;
• A pump is used to evacuate air from the bag, which allows you to gradually create required pressure evenly distributed over the workpiece being processed;
• Further, the bag stands for some time in a compressed state, after which the workpiece is removed;
• The main advantage is that the cost of the bag is ten times less than the price of the machine. A press with a size of 1400 x 2500 mm will cost the buyer 1000 dollars, while a bag can be purchased for 500-1000 rubles. You do not need any drawings to make an effective press out of the bag to create elements of facades, furniture, etc. We draw conclusions and make a decision.

But the bag cannot be compared to the ST 420. The modern ST 420 has unique properties as it is a 3D press machine. Model ST 420 can be used for private business when applying images to T-shirts, mugs, to create cases for tablets, smartphones. At the same time, ST 420 costs about 70 thousand rubles.

The bag is certainly not capable of what the ST 420 can do. But the choice is yours.

When choosing a membrane press for the manufacture of facades from MDF, chipboard, furniture elements, pay attention to several questions.

1. Pump. The diaphragm press can be completed with our or foreign pump. Priority is given to Italian models. Although they are more expensive, they are more effective, reliable and durable.
2. Table material. It is best if the desktop is made of metal. A number of models of machine tools are made of chipboard, but they quickly deteriorate, the surface is damaged during the manufacture of products.
3. Machine dimensions. The main characteristic, on which the ability to create parts of certain dimensions depends.
4. Heater. There are heating elements and KGT lamps. Choose the second type as they will not burn the film.

Don't forget the manufacturer. Little-known companies shouldn't be trusted. But it doesn't always make sense to overpay for a brand.

This machine is mainly used as woodworking equipment. Its principle of action is to cover wooden surfaces polyvinyl chloride film or veneer. The main consumer of this device are furniture factories... This is due to the fact that the lamination process using a vacuum press significantly speeds up the productivity of the factory and makes it possible to create an exclusive design of furniture surfaces. In addition, the machine can be used to decorate bent interior items. This function has become available due to the improvement of the press and the expansion of its capabilities. The same capabilities allow the use of carbon films and fiberglass to cover the surfaces of water and land vehicles. Such presses are called specific.

In this article we will look at:

• vacuum press
• membrane vacuum presses
• vacuum press device
• working principle of the vacuum press
• vacuum press table
• thermo vacuum press
• vacuum press principle
• production of membrane vacuum presses
• vacuum heat press for sublimation
• 3d vacuum heat press
• vacuum heat press grafalex st 420
• membrane vacuum press master compact
• vacuum forming machine
• vacuum packing machine
• lh 250 vacuum casting machine
• plastic mold machine vacuum
• cnc machine with vacuum table

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The coating of the surface with the processing material is very high quality and such a surface serves for a long time. And the technology itself is very simple and consists in the simultaneous interaction of vacuum technology and heating of the working surface. The cost of the machine does not allow many factories to introduce it into their workshop, but if you still buy it, then the payback will not be long in coming. The reason for this is the savings in purchasing. finished materials for cabinet furniture (for example), since buying a bare chipboard and processing it yourself on a vacuum press will be much cheaper than buying an already laminated pressed board.

Vacuum presses are:

• Book pressing. The top cover of the unit opens and closes like a book. There are covers with manual and automatic drive;
• Conveyor pressing. A table equipped with a conveyor belt that feeds the processed material to the working body of the press. Such models have a design with one and two workpiece tables;

Vacuum press vp 3000

A vacuum press is used to transfer an image or lettering to any surface of a product using sublimation. Sublimation is the process of imprinting under high temperature any picture that is pre-printed on special paper, to display it on the surface of the workpiece. The final image can have both black-and-white appearance and a color palette, including ultraviolet paints, which greatly expands the possibilities of using a vacuum heat press. Due to the ability to transfer an image from paper to object, such an assembly is called a 3D press.

For the rational use of equipment, there are several features that save time and money in the event of a marriage. It's about temperature control. Depending on the material from which the object for processing is made, the temperature of the working membrane of the heat press must be different. If the applied image is not heated, the image will turn out to be pale and vulnerable to mechanical stress. If you overheat, the picture will become blurry and the contrast of colors will change, the durability will also leave much to be desired.

What are the vacuum heat presses:

• Household. Compact body designed to handle small items at low productivity rates. Although, modern models are quite multifunctional and are equipped with processors that control temperature regime, which speeds up the crimping process;

Household heat press

• Industrial. Have a large area working area and are able to apply 3D drawings at high speed;

Thermal vacuum press suitcase mvp 2500s

This type of press differs from a conventional vacuum press in that it is intended mainly for covering wood and other surfaces with veneer. The membrane is an additional equipment that contributes to a tighter adhesion of the material applied to the treated surface, thereby creating great pressure in conjunction with the increased temperature, which makes it possible to fit the workpieces with such a rigid material as veneer. In addition, membrane presses are widely used to apply film and similar raw materials to the embossed surfaces of doors, columns, cornices, interior elements, structural facade slabs and other things.

Membrane vacuum press

Special equipment that is designed to create plastic molds, packages, figures and other items. For a certain product, an appropriate machine is required, since it all depends on the dimensions, density of the plastic and the option for passing the process.

The principle of operation of vacuum machines is the same in almost all modifications. Inside vacuum chamber a blank is placed (it is made of wood, gypsum, expanded polystyrene, rubber, metal, etc.). Also, raw material (plastic) is placed in the chamber, which becomes elastic under the influence of temperature and, when stretched, can increase its area up to 10 times. TO working chamber a pump is connected, which in the right moment creates a vacuum that ensures adhesion of the plastic to the workpiece, completely repeating its shape. The thicker the plastic must be for the finished product, the more powerful the pump is required to create a vacuum.

Vacuum forming machine

Vacuum technology for food, medicine, precious metals and banknotes... Through work vacuum packing machines achieve inhibition of the process of disintegration of food molecules and their freshness for more than 20 days. Pills and banknotes are packed in the same way to avoid moisture and dirt.

Vacuum packing machine

The packaging machines have different variations of the evacuation design. So, they are divided into:

• One- and two-strip. The edges of the packaging are sealed from one or both sides;
• One- and two-chambered. Packaging can take place both in individual form and in paired with another type of product;
• Household and industrial. The first modification is used at home, in catering processes and mini-factories. The second one is used at enterprises specializing in vacuum filling in large volumes;

The purpose of vacuum forming machines is to form relief forms from plastic, polymer or PVC sheet, with a depth of depressions or bulges of up to 500 mm. The body of these units is designed for large-sized products, which allows you to form a wide range of finished products. The peculiarity of vacuum forming machines is that, thanks to the zonal heating of infrared heating elements (each zone is divided into separate sectors of 0.2 m 2), it is possible to simultaneously carry out the formation of different complexity and with different depth of relief on one sheet of raw materials. The whole process takes place automatically, after the operator has configured all the parameters using the software.

Vacuum casting machine
Plastic mold

This attachment is an accessory for CNC milling machines. Standard milling machine has special bolt clamps for the workpiece, but they exert strong point pressure on the material, which can damage it. To avoid such nuances, a vacuum table was created, which works on the principle of a suction cup, pulling the workpiece towards itself with the help of a compressor, which pumps out air between the table surface and the workpiece. Thus, there is a reliable fixation of the material for further milling.

Cnc machine with vacuum table

Furniture production in our country is very well developed. There are many companies that make cabinets, tables, headsets, etc. Consequently, the competition in this market segment is unusually high. In order to get good profits, enterprises of this specialization need to pay maximum attention to both the quality of their products and their appearance... Simply put, furniture should not only be of good quality, but also beautiful. In order to achieve this, you must, of course, first of all use high-quality machine tools in production.

Machines for the production of blanks

At specialized enterprises, it is used such as:

Formatting machines. This equipment is intended for cutting itself. MDF boards or chipboard.

Milling and copying machines. They are necessary for applying a certain relief to the slabs.

Presses for the production of curved facades.

They are necessary for processing parts of facades when applying paint or varnish.

Also, in the furniture industry, a vacuum-membrane press is mandatory, which will be discussed in this article. This equipment is used for pasting the facades of cabinets and headsets decorative film PVC or veneer. Modern machines of this type have a fairly simple design and, moreover, are easy to use.

The main structural elements of the vacuum machine

Arranged equipment of this type is not too complicated. Any such machine consists of five main elements:

• The table on which the furniture pieces are laid out. Its surface is usually sheathed sheet metal or thick tin.
• Vacuum pump.
• Clamping frame. This press element is also made of durable metal.
• Heating installation. Different presses use different types of this equipment. Heating unit can be infrared or contact.
• Actually the press itself. It can be made in the form of a hinged or roll-up cover.

Additional structural elements

Such equipment is called vacuum because the film is tightly pressed against the workpieces in it by completely pumping out the air from under it. At the end of the table in such equipment there are shafts (one or more) for rolls of PVC film. In order for the blanks to fit the material as tightly as possible, they are placed on special substrates on the table. At MDF finish or chipboard with veneer, special glue is additionally used. The press is controlled using an automatic control panel. In this case, the operator has the ability to manually configure the equipment.

Types of presses

At the moment, enterprises use only two main types of such machines:

Vacuum presses themselves. Used for finishing furniture pieces in a gentle way. Such installations can provide a pressure of no more than 0.95 kg / cm 2.

Vacuum with additional pressure. Such equipment is much more expensive. Moreover, it can provide pressure up to 8.5 kg / cm 2.

The first variety is usually used for gluing PVC film or for veneering simple blanks. Vacuum presses of the second type are used for cladding MDF furniture parts with a complex configuration.

Membrane for presses

Both types of vacuum machines are usually supplemented with a special membrane. It is used most often when pasting blanks with veneer as an additional "press", preventing unwanted movements in the process. Also, the membrane is used when finishing parts with very thin films that do not tolerate extreme temperatures. This element is attached to hooks located along the perimeter of the clamping frame.

In such a field National economy As a furniture production, only two main types of membranes are used. Most often, these elements are made from rubber. Strong silicone is sometimes used as well. The latter is obtained by the method of vulcanization, and therefore, all the qualities of natural rubber are inherent in it. At the same time, silicone is also different more wear resistance.

Among other things, the use of a rubber or silicone membrane in the press allows:

revet details of very small sizes;

reduce the amount of film waste.

Film finishing

The procedure for pasting furniture blanks PVC material using equipment such as a vacuum membrane press involves the following steps:

The substrates are neatly laid out on the table surface. At the same time, technological gaps of several centimeters are left between them. This is necessary because during the pressing process, the film is stretched and compressed, including the ends of the blanks along the perimeter. Without gaps, this becomes simply impossible.

Blanks are laid on the substrates: cabinet doors, drawer strips, facade parts, etc.

The table with the workpieces is completely covered with PVC film, which is unwound from the rolls.

A clamping frame is lowered onto the film along the perimeter, pulling and straightening it.

Depending on the design, the press itself is lowered from above or advanced from the side.

The operator sets the temperature and pressure values ​​required by the technology on the control panel and turns on the equipment. After that, the film starts to warm up. As soon as its surface reaches a certain temperature, it turns on vacuum unit... Air begins to be pumped out from under the film (at a given pressure and a certain speed).

After the set time has elapsed, the operator turns off the press and folds it back (or pushes it back).

A vacuum press is a unit that allows the production of furniture facades with PVC films and decorative overlays for doors. It can be purchased or made at home.

The material will be devoted to how to make a vacuum press with your own hands, and what is required for this.

Remember that such work is difficult enough, you need observe safety rules, because it is associated with the use of high-risk power tools and heavy structures. If you want to assemble a press with your own hands, assess your capabilities, and if it is difficult for you, it is better to entrust this business to a professional.

Vacuum press: purpose and principle of operation

Film furniture fronts are widely used in the manufacture of cabinet or upholstered furniture thanks to such characteristics:

• a wide range of colors;
• variety of forms;
• affordable cost.

Such facades manufactured on special equipment , while the main production tool is a vacuum press. It shrinks the PVC foil onto the surface of the MDF-based workpiece.

The press includes the following key elements:

• vacuum chamber or table;
• thermal module.

The chamber most often has a rectangular shape and is made on the basis of a rigid material that does not shrink under artificially created negative pressure from the inside. And outside the PVC film is laid, the edges of which are sealed with the frame.

Film shrinking process includes the following stages:

• laying workpieces on the table;
• sealing;
• warming up films;
• air evacuation;
• cooling;
• cutting out blanks and removing excess film from the facade.

DIY vacuum press: what you need to know?

Before working on self-manufacturing a vacuum press remember the following:

If you plan the procurement of components and do the work correctly, the cost price of a do-it-yourself press will be significantly lower than the factory counterpart, and you can make film facades and MDF linings at home.

Before you start making a bed for the press, you need to choose optimal type heating unit, since this will affect not only the design of the bed, but also other elements of the press. When assembling with your own hands, it is best to choose a retractable thermal module, which is easy to assemble and convenient to use, but it has large dimensions.

To make the bed, you will need:

• steel profiled pipe;
• rails for the thermal module.

The bed design is best simulated on a computer using special 3D modeling programs.

For work you will need the following set of tools:

• small one-handed corner sanding machine, the disc diameter of which is 115 or 125 mm;
• welding machine;
• electric drill;
• locksmith set including hammer, wrench, pencil, tape measure, etc.

Assembly steps the beds will be as follows:

• cut the steel profile into parts according to the cutting charts;
• lay them on a flat surface in accordance with the project, align and fix with clamps;
• grab the joints of the parts, taking into account the final welding on all sides or full welding of the seams without tacks;
• knock down the slag from the seams and check their quality;
• if necessary, clean them with a grinder with a grinding wheel;
• drill holes;
• clean the surface with a metal brush from rust;
• prime the surface;
• paint it with a brush or spray can.

For operation, the welding machine can be selected AC transformer based, inverter type device or semi-automatic device.

The stage of assembling the table is the most crucial when assembling a vacuum press with your own hands. At the design stage, decide on its size and the material on the basis of which it will be made, also think over a method of fixing and sealing the connector elements in order to preserve the internal vacuum. Tools for work will require the same as for the bed.

Vacuum table Is a structure that includes the following elements:

• bath;
• pressure frame;
• clamps and other elements.

Vacuum bath

You need to calculate the size of the bath before assembling it. Remember that the longer it is, the more workpieces will fit in it, but at the same time you will use more films in one working cycle. As practice shows, its optimal length is about 2.5 meters.

The width of the structure depends on the width of the used PVC film, most manufacturers manufactures products with a width of 1.4 m.

And the working height of the bath should be provided taking into account the presence small space between the upper part of the facade and the film that will cover it. So, before starting to pump out air, the film should not touch the workpiece.

Suitable as a bath bottom steel sheet 2 mm thick, and a profile pipe is suitable for the frame. The pre-cut pipe must be laid on the slipway, fixed with clamps and boiled all the junction points. A sheet of steel must be welded on top of the stiffening frame.

Making a clamping frame and clamps

We make the frame on the basis of shaped pipe, its dimensions must strictly correspond to the parameters of the bath. To keep the hold-down frame raised, you need to supply 4 gas elevators and make sure they are capable of holding it.

Clips are needed in order to ensure reliable and tight retention of the film during pressing. For this, the upper frame must be firmly and evenly pressed against the perimeter of the bath. Clamps work on the principle of eccentrics, they can also be made by hand on the basis of steel rolled metal.

To install them, holes must be drilled at 8 points on the vacuum table. At the same time, the upper ones increase and give them an oblong shape. Further, they are adjusted by installing nuts in the threaded places of the stud and fixed with locknuts.

If the table does not have a perfectly flat surface, then you need to cut it off with a grinder welds, you do not need to do it all over again. Also, to ensure evenness, you can process the table with special epoxy compounds, setting it strictly in level and cleaning the bottom from rust.

Installation of the vacuum system

A vacuum system is needed to remove and evacuate air so that the film can easily cover the surface of the workpieces.

When installing it , consider the following points:

• it is desirable that the system components are not custom-made, and they could always be purchased at retail;
• it is best to choose inexpensive components with satisfactory reliability and usability;
• the system must provide a speed of air pumping and a vacuum depth, which is enough to create typical flat facades and overlays;
• the air removal system should not be demanding on the environment and the quality of food;
• controls and controls should be simple and inform about the current pressure, they also need to smoothly regulate the speed of pumping out air.

Such a system consists of the following elements:

• liquid ring vacuum pump with water tank;
• a pipeline for delivering air from the table to a pump with a tap and a pressure control device;
• a tabletop for pumping air from any point on the table, regardless of the position of the workpieces and the film.

Features of the liquid ring pump and its installation

The pump must have the following technical characteristics:

• productivity 1.57 m3 / min;
• three-phase voltage of the electric motor;
• the power of the electric motor is 5.5 kW;
• residual pressure 0.45 mm Hg;
• the rotation frequency is 1500 rpm.

His the principle of operation is as follows:

• the impeller rotates eccentrically in the cylinder in the direction of the arrow;
• there is a working cavity between the wheel hub, water rings and the body; it is divided into cells by the wheel blades;
• during pump operation, water is thrown from the sleeve to the casing under the influence of centrifugal force, and the volume of the cells increases and air is sucked in. Then this volume is reduced, and the gas is pushed out through the injection port during compression;
• in order to maintain a constant volume of the ring and to remove heat, it is necessary that only pure water... It is supplied to the central hole in the pump casing and discharged through a special device that separates water from gas. This prevents water from exiting the discharge pipe along with the air.

The pump must be installed on a dedicated foundation or in concrete floor, it should be leveled, then it is fastened with anchors through the standard holes. Next to it you need to put a water tank with a volume at least 30 liters... Two pipes are attached to it, one takes water with a pump, and the second drains the waste liquid into the tank. When circulating, the water heats up, and this negatively affects the operation of the pump. To ensure its natural cooling, the tank must be made of a material that conducts heat well, in particular steel or aluminum.

The pipe supplying water to the pump must be equipped with a tap that can shut off the water during idle time. The tank and the pump are connected with flexible hoses and secured with metal clamps.

When you have assembled the pipeline and secured it to the press bed, installed and connected the pump, you can test system operation... To this end, supply the pump on a temporary basis with a circuit breaker. But it is better to postpone testing until the press electrician is ready.

How to make a thermal module with your own hands

The thermal module is a heating device that allows you to uniformly heat the film to the required temperature and hold it for some time.

This stage of work is considered the easiest when assembling a vacuum press. For the frame of the thermal module, we need steel pipe with a section of 20 by 20 mm. It will be necessary to weld the casings of the profile wheel supports and L-shaped handles to the frame for moving along the rails of the module. The wheels can be ball bearings.

Next, the frame is needed sheathe and secure with aluminum blind rivets. Openings need to be cut in the side of the skin rectangular for viewing windows and insert there silicate glasses after darkening them with a tinting film. Cut one 50 mm round hole next to each window, this will be a control window for measuring the film temperature, and they need to be equipped with sliding shutters. And in order to improve the reflectivity, the thermal module must be equipped with aluminum foil from the inside.

To create a thermal module we will need:

• pull-out riveter;
• scissors for metal;
• spanners;
• press tongs;
• insulation stripper.

Now you need to install heating elements... For this, linear KGT lamps (quartz halogen thermal) are suitable. They have a number of advantages:

• affordable price;
• high resource;
• efficient transfer of thermal energy through radiation.

Connecting lamps according to an electrical circuit is the final stage of assembling a vacuum press. The lamp connection diagram takes into account the requirements in terms of symmetry of the three-phase load and the possible zone control of lamp groups, depending on the level of distance from the center of the table.

Now you have an idea of self-production vacuum press. If you decide to take on this work, then do not forget to use personal protective equipment, since it is not only difficult, but also dangerous if safety rules are not followed.

The main equipment for the production of MDF facades in PVC film is a thermo-vacuum press.On the Russian market today there are great amount presses with a wide variety of technical characteristics.Therefore, before purchasing, you should ask a few questions in order to correctly answer the main one - how to choose a vacuum press for MDF facades.

The size of the working surface of the vacuum press for MDF facades

When choosing the size of the press worktable, you should take into account the estimated production volume and the range of products from MDF. Manufacturers of thermo-vacuum presses for the production of MDF facades offer equipment with work surface from 1150× 1090 mm, for example, a membrane vacuum press for MDF curved facades from the company "New Technologies", Penza. The maximum size of the working table of the vacuum press for facing MDF facades currently boasts Latvian equipment VP -4000, from the company ISTRA-A (Latvia), with a table 4000× 1400 mm.

It should be noted that standard width rolls of PVC films for vacuum pressing is 1400 mm. Several European companies offer films in 1420 and 1450 mm widths. However, the main manufacturers of equipment for membrane vacuum pressing are oriented towards the 1400 mm standard.

In addition, for continuous streaming production of MDF facades, some developers offer membrane-vacuum presses with 2-3 working tables, such as the Master PRO company in Moscow. A movable heating carriage, moving freely over the working surfaces, provides alternate heating of the PVC film. The structure of the vacuum press can include a table for facing radius facades.

Construction of a vacuum press for MDF facades and its dimensions

With a shortage of working space in the furniture shop, a natural question will be the size of the vacuum press for the production of MDF facades and the area it occupies. But we must not forget about the convenience of equipment maintenance. Here it is necessary to understand the constructive solutions the location of the working table and the heating module offered by the manufacturers of vacuum presses.

The main manufacturers offer the following design options for a membrane vacuum press:

· With a movable heating carriage on rail guides. This design of the vacuum press allows you to lay out MDF facades from 3 sides.

· Vacuum press for MDF facades with a lifting thermomodule on hinged fasteners. The effectiveness of this design lies in saving the working space of the furniture workshop. However, stacking the parts and stretching the PVC film becomes more difficult.

· With a pull-out table for loading parts made of MDF and PVC foil, such as the vacuum press for MDF facade cladding MTA-2500. Ideal for small furniture production, as it fits compactly in any corner of the workshop.

· The most efficient in terms of saving workshop space and ease of maintenance are membrane-vacuum machines with vertical pneumatic or hydraulic lifting of the heating module, such as a VPF-2 vacuum press from a Latvian manufacturer, or an Italian PM ORMA press, which, among other things, allows the facing of products with 2 sides.

Features of a complete set of membrane vacuum presses for the manufacture of MDF facades

1. Heating module of a membrane vacuum press ... On the modern level development, manufacturers of vacuum presses for cladding facades of MDF in PVC film use quartz-halogen thermal heaters, which provide rapid heating at minimum costs electricity. In other embodiments, infrared lamps can be used. Some manufacturers of membrane vacuum presses use hot air blowing through heating elements for heating to prevent uneven heating on the membrane surface. In addition, additional thermo-equipment for table heating can be installed on the vacuum press. Chinese machine tool builders heat the PVC film by pumping hot air underneath it.

2. Automation of the process of facing MDF facades in PVC film ... Vacuum presses equipped with automation systems have proven themselves in continuous and continuous production of furniture. Human participation is reduced only to laying the details of the MDF facades on the desktop and then cutting off the excess PVC film. However, in small businesses that work with a wide range of PVC films on a daily basis, it is easier to carry out the cladding process by hand, "by eye".

3. Silicone, rubber or rubber membrane ... Most manufacturers supply a silicone membrane with a vacuum press for MDF facades. high rates heat resistance and elasticity. With the help of a silicone membrane, some technological operations for gluing various materials, giving them a curved shape according to the template, as well as for the rational use of PVC film with small bookmark volumes. In some designs of vacuum presses, the silicone membrane is fixed on a special frame, which makes it more convenient to use. In other cases, the process of facing MDF facades in PVC film is based directly on the use of a silicone membrane, and it is an integral part of the equipment.

4. Vacuum pump... As a rule, modern membrane vacuum presses for MDF facades are equipped with oil pumps with the highest performance at the moment. With the small size of the vacuum press table and short pressing times, they can be used oil-free dry pumps with lower performance. As a budget option, the membrane vacuum press can be installed water ring pump VVN... With significant dimensions of the working table of the vacuum press, the vacuum pump can be supplemented with a receiver. Some machine tool builders combine vacuum supply with counter-supply. high pressure, therefore, a compressor may be required in the kit.

5. Dividing frame ... It is used when dividing the working table of a membrane-vacuum press for the use of two types of film at the same time or one, in combination with a silicone membrane, for the rational use of PVC film with a small number of products.

6. Additional work table ... At large factories of MDF furniture facades in PVC film, the installation of one additional work table allows increasing the productivity of the membrane vacuum press and, accordingly, the output of products by 1.5 times or more.

7. Diaphragm vacuum press control panel ... When pressing MDF facades “in manual” mode, as a rule, two buttons are used, which include heating and a vacuum pump, as well as a valve that regulates the vacuum supply rate. More powerful and more automated equipment requires equipping with an appropriate control panel.

8. Possibility of manufacturing radius (curved) MDF facades ... In view of the design features, some membrane vacuum presses do not allow the production of radius MDF facades and their cladding in PVC film. On the other hand, as, for example, the company "PRO Master" in Moscow, machine tool builders have taken care of this option by supplementing their equipment with additional devices.

9. Unwinding devices ... Including with manual or pneumatic cutting of PVC film. Such equipment can significantly increase the productivity of the vacuum press at large production volumes.

10. Anti-static brushes ... Allows you to remove static charge from the PVC film to facilitate its cleaning and eliminate the adhesion of debris on its surface before feeding to the vacuum press. They are installed in order to improve the quality of manufacturing of MDF facades and other products.

11. Support system... Special supports, including magnetic ones, are used as a substrate when laying MDF facades on the working table of a vacuum press. Some manufacturers have even taken care of such "little things".

12. Press for briquetting waste from PVC film, devices for repairing tears and damages on a silicone membrane, mobile stands for storing rolls of PVC film - all this may not come with a membrane vacuum press for MDF facades, but it is often offered by the manufacturer as additional equipment, such as, for example, by the German designers of vacuum presses BR 2600, the Wemhoener company. Such devices make MDF production facades more convenient and efficient.

Before you finally decide and choose a vacuum press for MDF facades, you should also study the price range, the availability of options for installing and setting up equipment, training personnel, and further warranty and service.