Four-sided woodworking machines allow pretty high quality engagement of workpieces. It is the boards that are most often processed. On the market are modifications of various types. First of all, the separation of devices is carried out according to the position of the caliper.
Also, machines are with two or three guides. Racks at them can be wooden or metal. In order to learn more about machines of this type, you should consider specific modifications.
3 kW modification
It is quite easy to assemble a 3 kW machine. In this case, the engine is taken collector type. However, before installing it, it is important to assemble the bed. Some experts recommend using wooden racks. However, metal supports are more reliable.
After fixing the bed, it is necessary to proceed with the assembly of the caliper. For this, a lunette with a rotating flywheel is selected. The cutter in this case needs to be used with a small length. After fixing the caliper, a lunette is attached. In order for the workpiece to be securely fixed, a plate is installed. At the end of the work, it remains only to put the control unit to start the collector engine.
5 kW model assembly
Four-sided 5 kW woodworking machines must be made with rigid beds. For this, the stop width should be at least 2.2 cm. In this case, the slab is used with a small width. However, the bed is installed with additional support. Handwheels are used to adjust the caliper.
There are also modifications with roller devices. However, it is quite difficult to make them yourself. In this case, it is more advisable to use a drive shaft. The engine must be installed in the lower part of the structure. A space should also be provided for the control unit. To protect the caliper, experts recommend using covers. If desired, you can make a shield. The cutter on the machine is installed last.
10 kW devices
Four-sided 10 W woodworking machines are common. In order to assemble the device, it is necessary to make a bed with four supports. It is also important to choose a wide plate for the rack. In this case, the caliper should be installed above the stops. To fix the rack you need to use metal corners.
Many experts also recommend the use of screws to improve tenacity. Guides in the device are mounted behind the caliper. Ultimately, he should not touch the center plate. If necessary, the guides can always be cut. To fix the protective shield, you will have to use a welding machine. The control unit is more appropriate to select with CNC. They are quite expensive. At the end of the work, it remains only to fix the mill.
Upper Caliper Device
To make a four-sided woodworking machine with your own hands, you must first deal with the rack. In this case, the legs can be made of metal profiles. Many experts recommend not using steel sheets. Directly the working plate is selected from cast iron. In order to fix the rack, you should weld a metal corner. It should be located at the edge of the bed.
In this case, it is important to calculate the distance to the cutter. The protective plate is installed last. To fix the caliper, many recommend attaching additional screws. The flange must be away from the caliper. After fixing the backrest, flywheels are installed. They are necessary for setting the cutter. At the end of the work, the motor is put together with the control unit.
Caliper Bottom Model
A homemade four-sided woodworking machine with a lower caliper arrangement has large dimensions. However, such models allow you to process long boards. In this case, the motors are installed asynchronous type with a capacity of 5 kW. To control the processing process, CNC blocks are used. Racks in devices are often made of steel corners. Modifications with wooden poles are rare. In order to make a model yourself, you need to choose a quality plate.
Many experts recommend picking up a small length. It should weigh no more than 15 kg. Then there will be no strong pressure on the racks. The support in this case is installed next to the pin. Directly guides fasten in horizontal position. In order to prevent the cutter from rubbing against the working area, a lunette is used. In many versions, it is used cam type.
Sliding modification
Four-sided woodworking machines with movable plates are difficult to produce on their own. In this case, a roller mechanism is selected that can withstand a large load. The bed must be made at least 30 cm wide.
Side supports can be fixed on metal corners. In order for the roller mechanism to be stationary, a pin is used. The support in this case must be installed after the motor. CNC devices are very rare. The most commonly used conventional control units. Directly the rest is applied of cam type. After fixing it, a cutter is installed.
Two-Pin Model
The model with two pins allows you to process boards of large width. To make a four-sided woodworking machine (photo shown below) with your own hands, you need a long plate. Racks in this case should be made from metal corners. To fix the plate, metal corners are also used. The support must be installed above the quill.
Flywheels in this case will be on the sides of the bed. Before installing the motor, a lunette is attached. Screws are used to fix it. Legs, as a rule, are made of metal corners. Many motor experts advise using a collector type. Its rated power should be at least 5 kW. The control unit is standardly mounted contact type.
Double Guide Machines
It’s quite easy to assemble two-rail machines. The support in this case can be installed under the working plate. The motor is allowed to use low power. It is more expedient to select a lunette with a drive through drive. Directly flywheels are mounted on the side of the backrest. Many experts advise soldering the worktop to the bed. In this case, the cutter is adjustable with screws. The motor must be installed on the caliper side. The control unit can be used with CNC.
Model SCH-1
The four-sided woodworking machine SCH-1 is very popular. In this case, the guides are installed near the rest. The bed is of small height. Flywheels are located on the side of the caliper. If we talk about the parameters, the engine is used at 5.5 watts. The maximum frequency of the model is 55 Hz. In a minute, the mill is capable of making more than 2 thousand revolutions. The model pin is provided with a cam mechanism.
Use the handwheels to adjust the cutter. The stand in the device is installed at 45 cm. The carrier plate of the model is used without stops. Directly the control unit is located next to the motor. Under the backrest there is a lining. A holder is used to fix the workpiece. These four-sided woodworking machines (Borovichi, Russia) are on the market in the region of 230 thousand rubles.