Rotary mower. what every farmer needs
The rotary lawnmower is used in combination with a tractor for large-area mowing. The machine is effective on high-yield fields and surfaces heavily overgrown with small bushes and grass. The machine has an adjustable tilt angle that enables it to be used on sloping terrain. The mower can be installed on MTZ-82 tractor and other models.
- The tool is equipped with plate disc blades, allowing to mow the plants evenly, gently laying them on the ground surface.
- The machine can be operated by 1 person.
- The cutting unit is protected to reduce the chance of damage.
- Blades can adjust to changes in terrain.
- Lower capacity than segment mowers.
- Quality is reduced at low speed.
- The mower can only be used with tractors.
The cutting system is based on 4 rotors. Drive consists of a toothed and V-belt drive. it is powered by the tractor’s PTO. In addition to the mower, the machine is equipped with a gritter.
Operating principle is that the tool rotates as the tractor engine revolves. Mower uses power from tractor to drive mechanism. Several methods of power transmission are used during operation: conical, cardan, V-belt, toothed.
Rotary device is a device to the upper part of which the rotors are attached, equipped with moving blades for cutting plants. Rotary mowers use approx. 60% of the tractor’s power, while other types of mowers use only 30%.
What is a rotary mower
Modern lawnmowers allow you to adjust the height of the grass
Typically the grass cutting height can be set between 20 and 100 mm. The number of steps of regulation in this
Modern lawnmowers allow an adjustable cutting height. Normally the grass cutting height can be set between 20 and 100 mm. The number of steps vary from 3 to 14, depending on the model. Mowing width usually varies from 33 to 60 cm. It is largely determined by the power of the mower engine.
The lawnmower can be set in three different cutting modes. In modern machines the grass is cut:
- Tilting back or to the side;
- Collected in the grass catcher box (a special container located under the handle);
- Mulched. Chopped into grass mush and spread over the lawn as a natural fertilizer.
Three mowing modes: throwing mowed grass aside, collecting in the grass catcher box, chopping (mulching).
One classification of mowers divides them by the type of cutting system into rotary and spindle mowers.
Rotary mowers
Double-blade upside-down mower (Husqvarna)
In addition to its basic function (cutting), the blade can also create an air flow that sucks grass residue into the grass catcher box or blows it onto the lawn.
The length of the blade (up to 50 cm) determines the width of the mowed swath. The spindle bar determines the mower‘s cutting performance and the length of the path it travels. For example, to cut a 15×20 m rectangular lawn, a mower with a cutting width of 32 cm will have to travel a little over a kilometer.
The rotary lawnmower is probably the most common and familiar to our consumer tool, so the model range of these units is the largest. They can be either electric or petrol-powered.
As a rule, electric lawn mowers are used for treatment of small lawns, which are located close to the house, and therefore, to the power source. One of the prerequisites for these mowers. Availability of extension cord, capable of delivering current at a distance of 40-50 m. Power consumption ranges from 0.9 to 1.4 kW.
Rechargeable models do not depend on a fixed power source, but their battery capacity is enough for processing about one hundred acres of land, after which a long recharging is required.
To regulate the height of mowing, the mowers have a special system.
For the collection of mowed grass, lawn mowers are usually equipped with a grass catcher box.
For convenience, the units are equipped with a folding handle, which simplifies transportation: the mower easily fits in the trunk of the car.
If your lawn is located far from the power source or you need to treat a large area of grass, you should consider buying a more powerful, gasoline-powered mower for mowing lawns. It should be remembered, however, that for steep slopes (over 25-30 °) wheel mowers with four-stroke engine are not suitable. This is due to the design features of the engine, namely the presence of a crankcase. The oil level changes if there is a noticeable incline and it can flood the cylinders, causing the machine to stall for a long time. But the design of two-stroke motors allows you to use the technique on slopes as well.
READ Electric lawnmower Mowing width 60cm
Gasoline-powered mowers do not need a power connection and can be operated at any distance from home. True, it requires refueling every 45-60 min.
Compared to electric models, gasoline mowers are a bit more complicated to operate and maintain.
Spindle mowers
Spindle models differ in the design and the principle of the cutting system
The rotary mower has a cutting mechanism with a rapidly rotating blade, but the spindle mower has a more complicated mechanism. The spindle mower has several blades. one fixed and several rotating on a special shaft.
The system works like a pair of scissors, gently plucking the stalks instead of knocking them off. That’s why the grass after the spindle mower does not turn yellow, does not need mandatory watering, and the grass always remains velvety to the touch.
After the spindle mower, the grass is neatly cut
Different steel is used for the blades. For the lower, fixed blades are made of a harder steel that is also hardened. This is done so that the blades grind against each other when they come into contact.
If abrasive particles (grains of sand, dust particles, etc.) get into the cutter bar, the lawn mower is treated with a hardened blade. П.) in the space between the cutting plates on the rotating, softer knives appear jagged. A special emery board is used to remove them.
Neva single axle tractor Rotary mower in action.
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As practice shows, there are no universal lawn mowers. So don’t try to mow all different kinds of lawns with the same mower, trying to get a good cut of soft grass and rough weeds. Every operation has its own type of mowing equipment.
Mechanical mowers
It’s not even the price, they say, but the fact that when you‘re dealing with gasoline-powered mowers, you have to endure the deafening noise, the headaches, the nauseating smells of exhaust. And when working with a mechanical lawn mower you can enjoy the singing birds and inhale the smell of freshly cut grass. Plus, mechanical lawn mowers. They are usually a type of spindle mowers, and therefore they have advantages in neatness of mowing the grass. However, they also have the disadvantages of spindle mowers, and in particular. A lawn needs to be well groomed.
Today’s hand-held lawnmowers. It’s not what it was 20-30 years ago. Now they’re light, quiet, cheap to operate, non-polluting and much better for your grass: rotary mowers tear up the grass, while mechanical mowers cut like scissors, making
the lawn looks neat and tidy.
Homemade mower for mini-tractor make their own hands
Attachments for mini-tractors are expensive. But not for nothing in Russia they used to say: “Artfulness is invention”. Many craftsmen have learned to make it themselves. In remote remote remote areas of Russia, farms survive on the sale of products they grow and produce themselves. The cattle need a lot of hay, its preparation takes a lot of time and effort.
Mowers for mini-tractor are not complicated in their design and farmers prefer to make them with their own hands. Mowers for a mini-tractor made by hand, perform their intended use no worse than their factory sisters. We already told you how to make a home-made mower for your power tiller. Let’s talk about homemade mower for a mini-tractor, its features and assembly.
Mowers for a mini-tractor can be segment or rotary. Homemade rotary mower is made more often, as the design itself is easier to maintain. And it mows better, gets less clogged and buried. It is more difficult to make segment mowers.
Material for making a mower for a mini-tractor
It’s easier to buy off-the-shelf parts, but that way you don’t save any money. To make a mower with their own hands will need scrap metal. It can be found, as a rule, in many private yards in villages and countryside.
On abandoned farms you can find old, rusty frames, which are suitable for making the base of the mower. We can use old iron batteries and barrels. Even old bicycle frames can be useful. Spare parts from an old Volga or Zaporozhets also do not rush to throw away.
All this in skilful hands, plus the knowledge of technical parts and skilled handling of welding can turn into a mower for mini-tractor.
Design features of a home-made rotary mower for mini tractor
Home-made rotary mower for mini tractor consists of blades, which are mounted on the discs, frame and housing. In the movement of this design is driven by the shaft power minitractor. The mower slides on the ground on its lower discs.
This is a welded frame made of 40 cm high angle bars. For making it, you can use any scrap metal you can find. You can take ready-made knives from an old tractor mower “rotor”. But they need to be shortened by 3 cm, otherwise the tractor will not have enough traction. The height from the bar on this model is 35 cm.
Two 39cm diameter discs are cut out of a 4mm thick sheet of metal. Many craftsmen advise not to rush and cut these disks from old iron barrels. To them attach the blades, but so that they can turn freely. When moving under the influence of centrifugal force these blades will mow the grass.
fastening must be firm. The lower supports are made from 45 cm diameter husk discs. Axle shafts are made from an old metal pipe 30 mm in diameter. We need 80106 bearings for the construction. The lower bearing is mounted in the tube, the upper one in the pulley. The pulley of this construction is welded.
The disk with blades is put on the shaft with a welded disk. The pulleys are welded to the pipe as shown in the picture. The whole structure will rotate on bearings.
The grip of this homemade model turns out 110-115 cm, rpm is 1400. Everything is attached to the welded frame. On top of it a cover is installed for protection. In the connecting part with the tractor belt, where it intersects the figure eight, you can install an additional bearing. That way when the mower works, the belt is less likely to chafe.
To keep the construction of this rotary mower simple, the lower disc is welded straight onto the frame. This flail mower is capable of mowing at 10 km/h. But much depends on the type of vegetation. If you mow faster, the grass will simply be chopped. Mows grass up to 5-7 cm. Suitable for mowing grass to feed livestock, and for harvesting crop residue, such as corn.
Home-made segment mower
Our home-made segmental mower for tractor was based on the crank principle
Self-made segmental model is more difficult to make, and requires more effort. This design has a crank. crank mechanism. One of the crankshafts is attached to the crankshaft of the mini-tractor. It serves as the axle for the rear wheels. The other side of the crank is attached to the knives. This connection starts the crank mechanism during the movement and with it the blades.
The blades look like two saws joined together, which cut the grass like scissors while moving.
In your own construction, the segment width is exactly 7.2 cm. The angle reducer is mounted on the beam as shown in the diagram. There is a shaft on the reduction gearbox, where the hub with a coiled pin is mounted. The offset in this case will be 32 mm. A cross bowl with needle bearing is mounted on the main pin. On the blade itself we make a slot for the bowl.
The gearbox axis must be connected with the gearbox shaft, where the pulley is mounted. The rear axle has wheels, which can be made from old bicycle wheels. They are needed for height adjustment and to prevent the mower from digging into the ground. You can see more details on the design of this module in the diagram below.
Safety precautions
The main thing the master should worry about, assembling homemade equipment for the minitruck, it is not how well it will work, but, first of all, how safe it will be. Before you start working with a mower assembled with your own hands, check the strength of all connections. Take care of not only the tractor driver’s safety, but also the safety of the animals. When starting up, there should not be anyone within 50 m.
When working with a homemade mower, make sure that there are no people in front. If the grass for mowing is tall, such as reeds. Do not be lazy to go and see. Remember safety first.
To assemble a mower for your tractor with your own hands is easy only for someone with skills of a welder, a technician, a mathematician. In addition you need to be diligent and hardworking. If you do not have all these qualities, then spare your nerves and buy a ready-made rotary mower.
What does an electric lawn mower consist of?
Of course, the most important part of it, including homemade lawn mower electric, is the motor. The engines are capable of converting energy into mechanical energy of any other kind.
They are subdivided into primary, which convert energy resources into mechanical energy, and secondary, which converts the energy produced by other sources:
- chemical energy of fuel. internal combustion engine;
- fuel, t.е. By combustion of fuel. a piston motor;
- igniting a compressed air mixture in the cylinders. gasoline engine;
- working due to the ignition of fuel under pressure. a diesel engine, which is characterized by its low cost and the possibility of continuous operation;
- gas motor, which functions by heat input (at constant volume);
- electric.
When choosing a motor, you need to know that the quality of shearing depends directly on the number of engine revolutions: the higher this value, the higher the quality. That is, it depends on the linear speed, which is in direct relation to the speed of the cutters: the higher it is, the greater is the grip.
It is known from practice that the best option is a homemade electric design with the following characteristics:
- motor power of 1 kW;
- number of revolutions. 1.5 thousand rpm;
- grip. 50 cm. Less powerful motor. 500 kW (1500 rpm) will also cut weeds. But it will do it worse. Low-powered motors have blunt blades more quickly.
The electric mower has a convenient handle for operation and knives. Since the self-made construction is powered from the mains, then a long cord is needed. To work comfortably, you can not do without the wheels, which are attached to the bottom of the frame, which holds together all the parts.
For convenience, a protective cover is used.
Electric lawn mower
Parts of a lawn mower
To make an electric lawnmower with their own hands, the motor of any old device is used. Motors from small household appliances are not able to withstand prolonged work, overheat, can “burn out”. Even the motor of a vacuum cleaner is relatively weak, requires a ventilated housing, work with interruptions when the sound of the motor changes. For comfortable work requires a motor with power from 1 kW.
The blade for the lawnmower can be cut and hammered from solid steel, as a single element or, as several knives attached in the center. Knife made of thin wires, or a fishing line for grass, as in an industrial hand lawnmower requires more power of the device, frequent change of nozzles. It is possible to use a circular disc sharpened with your own hands. it is stronger, safer, more durable.
Handle for a lawnmower can be welded specially, or taken from an old cart, stroller. The lightness of elements matters when choosing. Using the entire frame from a wheelchair or cart simplifies the manufacturing process, but the elements must be strong, not rusty. If no facilities are available, the frame and handle can be welded from steel pipes.
The power cord is better to lengthen, providing the possibility of winding-unwinding it. The wheels need to be small, but not less than 10 cm to the center, for optimal placement of blades, comfortable movement on the plot. If the wheels are too small, for example from a vacuum cleaner, you can increase the height for the blades, but they are not designed for the considerable weight of the metal construction of the lawnmower.
The blade guard is fastened around the cutting elements, formed from a sheet of steel by your own hands or a suitable ready-made element is used. It is necessary both for the safety of the mower and to protect the knives from rocks or other hard objects.
Important! The elements for collecting with your own hands lawnmower must not only be suitable, but also in a normal condition, allowing for non-sparing use.
Lawn mower assembly technology
How to make a lawn mower with your own hands? The metal frame is made first. In it the engine is installed and fastened with bolts. In the lower part of the frame the cutting mechanism is attached, connected to the motor. The normal distance between the knives and the ground. 7 cm. The bag for collecting grass is attached immediately behind the cutting mechanism, as in the industrial version.
A blade guard must be welded around the blades. Motor and blade connection must be covered from grass and ventilation holes must be preserved. Ventilation is especially important for small engines.
Handle should be welded in a comfortable position at the right angle and of normal length. The use of welding is the most reliable method of making the frame and fixing parts. But in the absence of equipment or skills, assembly from prefabricated elements, connection with bolts is acceptable.
Important! Bolted connections are less reliable for the lawnmower and should be checked and fastened often.
Advantages of the design
Engage in the manufacture of homemade electric mower encourage several reasons:
- The low cost of the device compared to factory-made counterparts.
- Environmentally friendly electric motor. Electric lawn mowers do not produce the same harmful exhaust emissions as gasoline mowers.
- Low noise level.
- Ease of operation: there is no need to store and periodically refuel.
- Compact size.
But you have to be prepared for some special features:
- An electric lawn mower is not stand-alone: its working radius is limited by the length of the mains cable. But this disadvantage is not important for a lawn with up to 12 acres.
- Limited capacity. Gasoline lawnmowers are usually more powerful, and the power of the electric version is also limited by the wiring capabilities.
- Danger of electric shock when working on wet lawns.
The self-made version is inferior to factory-made models in the following:
In this article, you had the opportunity to learn how your own hands can make a rotary mower. In fact, as you have seen for yourself, there is nothing particularly complicated in this process, so with this kind of manipulation with ease be able to cope even a non-professional. However, if you don’t want to risk and start small, we offer a manual gasoline mower for grass.
The most important thing when making a rotary mower is that you pay very close attention to our advice, both on manufacturing and safety.
You may also be interested in the article self-made sawmill with their own hands.
Segment mower for your mini-tractor
Such a device is intended for mowing grass, both on small and large areas. Segment mowers are safe and efficient. The essence of the work of such a device is the simultaneous use of moving blades and stationary fingers. One of the disadvantages of these mowers is that they do not pile up vegetation in swaths after work.
They are more complicated to maintain than a rotary mower, but their mowing quality is better. Among popular models of such equipment it is worth to note TX 1,6.
How to make a rotary mower with their own hands
If you want to significantly reduce costs, you can make a similar design by yourself, but you will need to find the appropriate components in advance. Homemade mower used in conjunction with power tillers. For its production you will need:
- welding machine, tape measure and other tools;
- metal corners, bearings;
- 2 discs from the seed drill;
- reducer;
- chain.
Diagram of the mower
The last two nodes are best taken from a chainsaw, which will allow you to create a unit with optimal working characteristics. All elements of the construction will need to be connected in accordance with the drawings, after which the device will be ready for use.
Be sure to read: KDN 210 disc mower
Machine range
Let’s consider the most popular models. Rotary mower KRM-1 is a tool for mowing crops and grass on a level surface. The tool can be mounted on the Belarus Belarus motor-blocks. The machine is not suitable for industrial use.
- Weight. 45 kg.
- Overall dimensions. 930x660x420 mm.
- Working width. 600 mm.
- Cutting height. 40 mm.
- Speed. 2,5 km/h.
- Productivity. 1500 m²/h.
- Resource. 1200 hours.
- Blades rotation speed. 2300 rpm.
Mower L-501 is intended for cutting the grass and putting it into swath. Operation is realized by rotating 2 rotors with a cutting device. For protection from stones the tool is equipped with a safety device. The mower is compatible with 0,9 and 1,4 t tractors. Model L-501 D is characterized by its ability to work on slopes up to 45°.
- Weight. 430 kg.
- Overall dimensions. 3650x1050x1150 mm.
- Working capacity. 1,4 ha/h.
- Speed. 8 km/h.
- Working width. 190 cm.
- Cutting height. 3-6 cm.
- Rotor speed. 1900 rpm.
- Manufacturer. JSC Lidselmash.
Rotary mowers KRR have a belt drive rotors. 2.4 m working width. Lubricants are not necessary due to the belt drive. This reduces operating costs and tool weight. The machines are used for high-yield plants mowing, hillside treatment.
No blades deformed by stones or other obstacles due to the circular rotors.
The machine uses knives with a reinforced cutting edge. This cutting tool provides efficient and safe operation. Rotating machines rotate at 3500 rpm and achieve cutting speeds of up to 90 m/s. This enables efficient mowing of grass and plants with high yield without root damage.
Robust mounting and balancing system allows you to work in uneven terrain and apply the least amount of pressure on the ground. It is possible to adjust the balance of crossbar and blades. HBB-5450 hexagonal belt is used in the device, which is produced by Indian. These belts have been developed by the company’s specialists specifically for the rotary mower, taking into account the peculiarities of the drive of the tool.
How to make a mower
Materials for direct manufacturing:
- wheels, 4 pcs. and the diameter of which should be about 45 cm;
- special axles for mounting the wheels themselves
- sheet of metal;
- bottom of an old barrel (metal);
- blades. 4 pcs.;
- screws and nuts, which will be used to fix the blades
- welding machine;
- chainsaw;
- a handle for special control, or you can take a pipe and make it yourself.
If you don’t have special wheels for your mower you can easily use the wheels of an old baby carriage. Actually, it is mounted on the chainsaw, which in turn will rotate the rotor.
For minitractor
First of all, it should be noted that this kind of device will consist of a casing, mounted on the blade discs and the frame. The actual movement is due to the gross power of the minitractor, which is involved in the work. In relation to the ground, this device will move directly on the discs in the lower part.
In order to make a welded frame, you need to connect the corners with a size of forty centimeters. Do not worry if you can not buy a good and durable, new metal, because for this process is suitable for any scrap metal that you can find.
As for the blades, they can be taken from an old tractor mower, which is called “rotor”.
But they will need to work on them, namely to shorten, as they are 3 cm. more than we need. It is necessary to do this in order to make the mower could “fully” work, otherwise the vehicle will simply have a low level of traction. If we talk about the height from the bar, it is 35 cm.
It is necessary to cut two disks from metal sheet, which diameter should be 39 cm. It’s worth noting that most of the owners of home-made mowers say that these kinds of disks can be cut exactly from the old barrels made of iron.
After that, you may easily weld the blades themselves, but they should be installed so that their rotation is easy and unpretentious. It is under the influence of centrifugal force that they will actually make the mowing.
You must remember that this kind of attachment must meet a high level of strength. As for the lower supports, they should be made from the discs, taken from the harvester, which should be about 45 cm in diameter.
See the video features of a haymower for a mini-tractor.
The propeller shafts can be made from old steel pipe, and should have a diameter of 30mm. As for the bearings, they should correspond to the number 180106. The lower one, of which must be installed exactly in the tube, while the upper one is exactly in the pulley. It’s worth noting that this design has a welded pulley. About the segment mower for the tractor, which is one of the main competitors for this unit you can learn by following this link.
Rotor for power tiller
This mower is used mainly for mowing grass on the lawn, but also for making hay and for harvesting vegetables and berries. You have to remember that with the impact of the mechanism on small grass, it shreds it, while the high grass mows. If you want to know more about other high grass mowers, follow this link.
To make such a tool yourself you will need: chains from a chainsaw gearbox, two discs from a seed drill. detailed information about what oil to use to lubricate the chainsaw chain can be found in this article. To make the knives yourself, you need, metal hardened 65 g. It is worth noting that each direct drive should have four knives.
Example of a homemade rotary mower in the photo.
For this kind of installation you need to drill with a carbide drill bit on each individual disc a peculiar hole, which diameter should not exceed 6 mm. the blades themselves can be affixed by means of a special bar, which is placed on the coulter bar and it does not matter what kind of fasteners are used to mount the blades.
You must remember that the very gap between the blade and the bar should not be more or less than 1-2mm directly from the thickness of the blade. Please note that the blade itself needs to be able to rotate through 360 degrees.
Axial mounts are made of carbon strong steel, their size should be equal to 8 mm. It is this axis that is tightened with the discs themselves to the stop and the movement of the blades must be free. It is also worth noting that such a homemade mower is designed for the motor-block Neva, you can find more detailed information here.
Homemade mower for power tiller on video.
How to make a device with their own hands for MTZ tractor
Thanks to this kind of device, you can without any problems make not only the mowing of the grass itself, but also its chopping. In order to make this machine with your own hands, you should know exactly what consists of this kind of makeshift mower. So, its components:
- The shaft with the knives-jaws, the number of which is twenty-four pieces;
- Cheeks, which are translated to the very shaft;
- Blades, which can be made directly from spring steel. It is important to remember that the edges located on them should be extremely sharp. For them it is necessary to make a peculiar axis of 9 mm in size.
It is important to remember that such a homemade rotary mower for the T 25 is also excellent, and aspects of its manufacture are no different.
In essence, rotary mowers have the same structure, the only differences are in the models of blades and attachment. for rotary mowers for minitractors are described in detail in this article.
Working principle
The rotary mower works based on reproducing the mowing shaft. To the latter are attached knives, the block of which resembles a rectangular bar in shape. This design ensures a consistent grip and thorough cutting of plants.
Rotary mowers are widespread due to their cost effectiveness. To put the rotating blades in motion here, energy is used, which is supplied directly from the traction machinery. Therefore, no additional fuel consumption or separate connection to the centralized power supply network is required for their operation.
Method of operation
To the frame you need to weld the brackets for the handle and the wheels. The metal bar hooks will act as the support. In the next stage you can install the wheels. The chainsaw must be prepared by removing the blades and chain and then attached to the frame.
The mower will be designed with a guard plate, which is made to suit the contour of the frame. To the sprocket of the tool is attached a tube, which will have the working part of the equipment. Now you can start fixing the lever, the handle and the cable system, the last of which will be responsible for turning the equipment on and off.
Platform mower
This drawing shows a variation of the push mower, which is used effectively in summer for mowing grass and weeds, and as a snowplow in winter. For removing snow masses, special star-shaped nozzles are mounted on the equipment, and in summer. knives. This modification is similar to a rotary mower, but difficult to perform. This equipment allows you to cut the tough grass and remove snow and ice.
The design of this equipment, created by our own hands, consists of two cylinders connected by hooks to the frame and conveyor belt. The chassis is made of an angle piece or any other metal that can be found in the repair shop. On the chassis set the wheels, which can be taken from an unnecessary wheelchair, and a thick plywood sheet, although ideally it is better to use metal. The dimensions of the frame can be different, but optimal would be 800×400 mm.
The main assembly consists of two cylinders (5), belt (3), frame (10, 16, 17, 18,20), brackets (19), hook angles (4).
Working cylinders can be made from large canning jars, in which you must cut out the bottom and lid, and in their place install two rounds of wood. Instead of the cans you can use a thin sheet of metal and make from it 4 disks with an outer diameter of 200 mm and 4 with an inner diameter of 170 mm. Bolt the smaller discs together with the larger ones in pairs. Attach four knives each to these disc structures.
As the blades have to be able to turn freely, it is important to leave a 1 mm gap between the discs and the blades when mounting them. Nevertheless, it is necessary that all fasteners are secure, so that when rotating or colliding with random stones the blades will not break out. The drums are mounted on the frame, and the bushings need to be installed in them beforehand.
The frame to be assembled with one’s own hands. The equipment consists of the upper crossbar (10) and the metal strip with corners and grommets (16). For the crossbar you can take a metal angle of 35×35 mm. The cylinders are connected to each other by a belt, for the installation of which grooves with a width of 13 mm are drilled in the corners. For the same purpose, the lower hub of the drive drum is movably mounted on the bar (15), and tensioning angles (20) are installed on the upper axes of the cylinders. To the ends of the crossbar tighten the angle bars (20) with screws M5x65 mm. It is easier to make a belt for the drums from a rubber strip, the ends of which are connected with a dural plate 2 mm thick.
Then connect the mower to the power take-off shaft of the power tiller.
To summarize
The priority factor in choosing a homemade mower for a power tiller is its safety, because you need to take into account the high speed of the discs when cleaning the grass. Accordingly, if the fastener will not withstand and fly off, you risk to damage the society, injuring people who will be nearby or yourself.
Be sure of your competence and skill before inventing this tool, because the cost of crippled organs and wasted nerves will cost you much more.
Users’ reviews
As a haymaking machine, the horse-drawn mower, the reviews of which vary, has its pros and cons.
Feedback from users indicates that these devices have a number of advantages and disadvantages. In particular, the disadvantages include large dimensions, leading to the rapid fatigue of horses during haymaking. In addition, the mowing process should only take place in dry weather, otherwise the cutting blades get clogged with grass and become blocked.
However, the insignificant disadvantages are overlapped by the existing advantages. First, the use of horses greatly speeds up the process of making hay. The manual method is not as productive. Secondly, if on top of everything the horse mower was made with his own hands, its owner saves significantly on components. Thirdly, working with horses is a great pleasure for those who love animals.