How to make your own herb grinders
Grinding weeds is a labor-intensive process, which can be greatly simplified by making a device. The basis of the unit is a bucket, a washing machine, and power tools.
From the bucket
The bucket is bolted to the tabletop. To fix the motor and output the shaft where the knife is installed, holes are drilled in the bottom. A hole is made in the side of the container and covered with metal plates. This is the outlet for chopped grass.
When connecting the motor to a 220 V power source, the knives will rotate quickly, so it is recommended to connect to 40 V. The power source is a car battery.
From a vacuum cleaner
The design is complex, so you can’t do it without tools. The device is made from Typhoon vacuum cleaners. The electrical device is easy to use. The design of the vacuum cleaner allows for the release of chopped greenery without turning off the power.
If there is no Typhoon, install a motor of 180 W. Hacksaw blades are used as blades. A sleeve for mounting blades 4 cm long is cut into the wall of the housing.
Holes are made in the housing for the platform where the finished unit is installed. The engine is mounted at the bottom of the structure. The knives are screwed on with nuts.
From the washing machine
The unit is identical to that made from a vacuum cleaner. Initially, the washing machine tank is cut off. The height of the container in which the raw materials are placed should be up to 60 centimeters. The top hole of the tank will require a cover or rubber casing. Otherwise, the grass will fly in different directions.
A metal corner 50 cm long will be required to install the legs. Holes for bolts are made in it. Knives are attached to the axle. They can be installed in several rows. They are fixed with bolts or self-tapping screws.
Several holes are drilled on the sleeve. Their diameter must be at least 7 mm. Connect the bushing to the engine with bolts. To install the engine, the housing is turned over and several studs are prepared. Several holes must be made in the housing (depending on the number of clamps). The blades are put on the sleeve, being sure to fix it. This can be done with ordinary nuts.
The blades should not touch the inside of the container or become loose.
The power cable is connected to the motor contacts. In this case, it is necessary to ensure that the color of the insulation of the conductors matches. The connection is covered with insulating tape or silicone tube.
A hole is cut in the container to throw out the chopped greens. The outlet is located 20 mm below the level of the knives. Finally, the device is installed on a stand, and the legs are attached to the metal axis.
To use this unit, grounding is required.
From the Bulgarian
Take an angle grinder with any power rating.
- First, they assemble the platform from the box. To make it I use wood or metal. A cutout in the form of an arch is made in one of the sides of the structure.
- A hole is cut into the bottom of the box. It should be 50-70 mm larger than the working part of the power tool.
- The grinder is attached from the inside of the box. In this case, the blades are located above the bottom. For fixation, it is recommended to use flexible clamps or clamps.
- The bottom of a metal bucket is cut out. Install it above the knives. Fix the bucket with brackets and metal corners, securing it with hardware, such as bolts and nuts.
How it works: put weeds in a container and turn on the grinder. Rotating knives chop the weeds, which, after chopping, fall into the box. Remove the crushed feed with a shovel.
From a drill
They create a grass cutter based on a steel body or a hopper. The design is complemented by a protective cover, knives, shaft, stool, bearings with a housing.
- A hole is drilled in the stool. Its diameter should be 12 cm. From the inside of the stool, fix the body, and then the bearings.
- Holes are drilled in an old bucket (12 cm in diameter). It is placed on a stool and screwed with hardware.
- P18 steel is used to create a diamond-shaped blade. It cuts fresh grass better. It is recommended to sharpen the edge at an angle.
- The blades are secured to a shaft inserted into a bearing.
- At the bottom of the stool, a drill is connected, which is connected to the shaft shank using a clamping chuck.
The grass is placed in a bucket and then the drill is turned on. After grinding the raw materials, the tool is removed.
Description of typical design
A typical design involves the elements from which the device is made. Their minimum set can be supplemented with auxiliary ones. The goal is to improve the comfort of working with the device.
Standard chopper set:
- The bunker is a container of sufficient volume. Usually they take an old barrel or a large can into which the processed vegetation is placed.
- The electric motor is installed at the bottom of the bunker. The main thing is that its power is sufficient to work non-stop and for heavy loads.
- An axis on which 3 to 6 knives are attached. It is attached directly to the axis of the electric motor.
The basis of the apparatus is a hopper with sharp knives, which are rigidly fixed to a steel disk. The disk is mounted on an axis, which is the shaft of the electric motor or is connected to it through a gearbox.
A bunker is a container for storing material - hay or straw, which requires chopping. The cutting process takes place in it. For safety reasons, the bunker is made as high as possible so that when loading raw materials your hands do not touch the knives. The shape of the container is usually cylindrical, but you can find the shape of an inverted cone. Place the container on a stand, usually in the form of a tripod. The height of the stand is such that an electric motor can be installed below. The latter is fixed to the bottom.
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Sometimes the bunker is made small in height, but with a lid for safety reasons. The lid must have a hole for loading raw materials.
Production on a flow principle is created by installing a waste dump . Through the device, the crushed material is thrown out of the hopper. This allows raw materials to be added continuously. That is, there is no need to stop the engine to remove the chaff and add raw materials. This results in significant time savings. It will be made from the bottom of the bunker. The shape is not important, the main thing is that there is a slope for dumping the material.
A disk with knives placed on it is an extremely difficult part to manufacture. The design can be arbitrary. The goal during assembly is to achieve maximum balance so that the device does not shake from vibrations during operation.
Scheme of work
- The electric motor is turned on.
- Load material into the hopper.
- The processed material flies out of the nozzle and falls into a pre-prepared container.
The container is usually a plastic barrel. It is advisable to cover it with a lid and make a hole on the side so that the chaff does not fly away in all directions. The operator just has to supply the raw material and empty the container with the chaff in time. Ideally, several of them are used, changing as they are filled.
Which motor should I get?
It is more convenient to work with old washing machines - Oka and Fairy are ideal. Top-loading barrel-shaped models with a bottom-mounted motor are easy to transport.
Expert opinion
Vladislav Ponomarev
Design engineer, inventor
A suitable motor has the following characteristics - power 180 W, engine speed 1350-1420 rpm.
Fairy models have a centrifuge, so the motor makes more revolutions, up to 2850 per minute, but the power is lower. The body is plastic and fragile. From Fairy models they take only the engine, the tank is made from an empty iron barrel, and knives are purchased additionally.
How to make a barrel sauna with your own hands, detailed instructions and drawings
The advantages of having a unit are obvious - the ability to process any volume of grass in a short time. A grass cutter is needed not only by gardeners, but also by owners of subsidiary farms - ground green raw materials are added to food for livestock and poultry.
Garden herb grinder
The homemade grass shredder you create depends on how much grass will need to be processed (disposal of garden waste, for compost, for livestock feed). Basically, it is not much different from a meat grinder, only for grass and hay and straw, in any case, the operating principle is the same.
Types of herb grinders:
- different in power, depending on how much grass needs to be processed. With great power they can even handle small knots;
- different types of knives - disc knives (blades that crush garden waste when rotating), milling knives (gears that, when rotating, tighten the material and automatically grind it);
- different types of operation - on gasoline (maintenance is more expensive) or electricity (the device is tied to an existing outlet);
- stationary type or mobile (lawn mower type).
From the washing machine
In itself, it is an excellent volumetric container for hay, grass, straw, etc. The principle of this chopper is similar to a food processor.
Necessary:
- several knives placed in a cylindrical container;
- an additional container for the upper part of the unit, into which hay, grass, and straw will be supplied;
- an additional hole in the side so that there is a place for recycled material to flow from;
- receiver of finished products (bucket, box, etc.).
From a vacuum cleaner
All you need is the vacuum cleaner body and its motor.
You will need:
- the engine power can be equal to 180 W, this is enough;
- fasten knives from unnecessary hacksaws with nuts to a threaded sleeve (approximate length - 40 mm). Secure at the bottom of the container and bolt above the knives;
- try to make a hole for chopped grass under the legs or in the side;
- To protect the electric motor, the base must be stable.
From the Bulgarian
The principle of creating a homemade grass grinder from a grinder, as in previous units:
- select a container;
- drill a hole in the bottom to install the cutting unit;
- make a metal base and attach an angle grinder to it, carefully securing it with clamps.
Universal grass cutter and corn sheller
Alex NkFORUMHOUSE user
I also made a grass cutter. I mainly use it to chop grass for poultry. The basis of the homemade product is a kilowatt motor made in the USSR. I bought it for 1400 rubles. Works great. The engine is three-phase, but converted to operate from a 220 Volt network.
Making a homemade grass cutter step by step:
- The turner turned out the flange.
- Holes were drilled and threaded in the flange.
- The knives were made from a piece of an old rusty two-handed saw.
- The knives were screwed to the flange.
- The grass cutter frame was made from a sheet of metal 4 mm thick. A strip of metal with a cross-section of 4x40 mm was welded to the square, which was bent in a circle. A hole was drilled in the center of the frame.
Alex Nk
I bent the strip with a hammer, striking the metal on the jaws of a vice. The radius was controlled in a circle by drawing it on the bed.
At the finish, the user welded the legs to the base. Fixed the electric motor. I made a large tank with a lid so that debris would not fly out of the grass cutter while the engine was running.
Homemade mobile grass cutter on wheels.
The tank is removable for ease of use of the grass chopper.
The engine produces 1500 rpm. The grass cutter operates almost silently.
Finished products.
Main components of a garden shredder
To independently assemble a grass and branch chopper (shredder) at home, you must first understand the structure of the mechanism, as well as the principle of its operation. This will help you assemble the equipment correctly and, if necessary, make changes to its design.
A homemade unit, designed for grinding mown grass and sawn branches up to several centimeters thick, has the following main structural components:
- engine;
- knives mounted on the working shaft;
- frame (usually metal);
- protective casing;
- a box designed to receive cut vegetation;
- starting system.
The equipment itself can be made stationary or mobile. To create the latter option, you will additionally need wheels, as well as a handle. To make the frame, use metal corners or ready-made frames from workbenches. Boxes for processed vegetation are made from plastic buckets, tin, and bags. The protective casing around the knives should be thick and durable enough so as not to quickly wear out from the impact of grinding vegetation.
The operation of the chopper is that rotation from the motor shaft is transmitted directly to the knives or through a chain/belt drive. The vegetation chopped by the blades enters the box. In this case, the final product is immediately ready for use.
According to the principle of operation, some homemade shredders are comparable to a meat grinder (they draw in and then grind organic matter), while others are comparable to a coffee grinder.
Manufacturing procedure
Frame assembly and engine installation
- The frame of the garden shredder is made from a metal profile 50x50 mm.
- Using a grinder, we cut 2 pieces with a length of 800 mm and 4 pieces with a length of 400 mm.
- We weld short sections perpendicular to the ends of the long pieces so that we end up with a rectangular frame. Inside the frame, 2 other segments are fixed at a distance from the outer crossbars, which correspond to the installation dimensions of the drum and engine.
- We fix the metal sheet to a rectangle of the same dimensions, 5 mm thick, using electric welding, at one end of the chopper frame.
- We cut elongated holes in the sheet with a diameter and at a distance equal to the mounting parameters of the engine.
- We weld 4 legs 50 cm high to the corners of the frame. We connect them together using welding, in the lower part with a 20x20 mm profile.
Diagram of the microcrusher housing.
Let's look at the engine installation process. In order for the manufactured homemade chopper to have optimal power, we will install an electric motor with a power of 5 kW on it, which, in turn, will be bolted to the elongated mounting holes of the plate. They will facilitate, when tensioning the cutting device drive belt, easy movement of the chopper power unit.
The tension mechanism consists of 2 tension bolts and an angle, which is welded across the structure at the end of the frame. We drill holes at both ends of the angle along the diameter of the tension bolts, which at one end are attached to the nearest engine mounting bolts using small angles, and at the other they are inserted into these slots. By tightening or loosening the nuts on the bolts, the process of tensioning or loosening the belt will occur from the outside of the edge of the angle of the tension mechanism.
Manufacturing and mounting of the chopping drum
Let's consider 2 options for manufacturing a chopping drum. you can choose the one you like the most.
- Crusher. The chopping drum of the unit is installed at the opposite end of the frame from the engine.
- A drum is made from a piece of steel pipe with a diameter of 30 cm and a length of 40 cm.
- The plates are welded to the ends of the cylinder and holes are drilled in them to install the shaft on bearings.
- Rectangular windows are cut at the top and bottom of the cylinder to load waste 100x15 mm and output crushed mass 20x30 mm.
- 4 legs are welded to the bottom window of the drum to secure it to the frame. Holes with a diameter that will correspond to the size of the fastening bolts are made on the frame and support legs of the drum.
- On the steel shaft of the chopper, knives are attached to 2 disks corresponding to the diameter of the drum and welded at the ends of the shaft.
- They are made from old agricultural machine knives. They are cut to a length of 3-4 cm, taking into account the distance to the disks. Before fastening, the ends of the knives are bent and two holes are made in them on each side. It is also possible to use conventional circular saws, which are available at any hardware store.
- Similar holes are drilled on the installation disks. 3 knives are installed on the shaft and secured with bolts.
- The shaft is inserted into the hole in the end of the casing. Then bearings with support caps are mounted on the ends of the shaft. The covers are attached to the casing with bolts.
The second option for producing a chopping drum is that 8-10 circular saw blades are mounted on a special axis, the rotation of which will be carried out using intermediate shaft bearings. It is necessary that the distance between the circular saws be small, because if they are installed close to each other, the teeth of adjacent saws can catch and the efficiency of this device will decrease.
Pulleys are attached to the protruding ends of the drum and electric motor shafts. For ease of loading branches and your own safety when working with the chopper, a 2 mm thick metal loading hopper is welded to the upper window of the drum. The size of the top part is 30x40 cm, and the height of the hopper is 40 cm. The receiving window is equal to the ejection window located on the drum body. Then an outlet socket 20 cm long is attached to it.
What is silo used for?
Many gardeners living outside the city grow not only vegetables and fruits in their dachas, but also keep chickens, pheasants, quails, rabbits and various domestic animals. Chopped grass silage can become an excellent food for pets; you just need to make sure that your farm has an appropriate chopper that can easily grind grass and hay.
Experienced gardeners use such ground grass as mulch and first-class organic fertilizer. You only need to ensure that the grass is chopped as finely as possible, as a result of which the layer of mulch will be dense, which is necessary to retain moisture and heat in the ground.
With the help of such universal equipment, you can easily grind cereals, vegetables and fruits, which allows you to make high-quality feed for livestock, eliminating the need to purchase expensive feed.
Bulgarian
Another example of a homemade straw chopper, which is assembled from a grinder. It's also an angle grinder.
Basically, this kind of DIY hay cutting, which doesn’t even require the use of drawings, is used for processing fresh grass. The resulting blanks are used for mulch and compost. You can also grind roots and grains to prepare food for animals and poultry.
Step by step, do-it-yourself grinder-based hay crushers for home are assembled as follows:
- In order for the knives to perform their functions properly, the power of the power tool must be at least 1.5 kW. It is based on a standard saw blade. Excess elements are cut off from it, leaving only the cross-shaped part. The opposite cutting elements are bent. Bend the first pair of knives up and the second pair down.
- Install a welded casing on the grinder. There will be an outlet on the side. Then a bucket or other durable container is placed on the casing. It is better to take containers made of polypropylene.
- To grind the mass, fill a bucket with it, then close the lid. Attach the bag to the outlet hole. Recycled particles will be poured into it.
- Now turn on the grinder. In order for the equipment to operate continuously, you can make several holes in the lid and gradually load fresh workpieces through them.
As a result, the crushed raw materials are poured into a bag.
The design is simple to manufacture and also demonstrates a decent level of efficiency and performance.
What else can a chopper be made from?
There are many different options for creating garden shredders with your own hands: from the simplest ones, which only allow you to grind grass, to more structurally complex, powerful units designed for wood up to 10 cm thick. Accordingly, the practical implementation of the plan will require different details, different amounts of time and money.
To assemble equipment for processing plant waste, in addition to the considered options for old or unnecessary tools or equipment, you can use the following devices:
- drill or hammer drill;
- an old working vacuum cleaner;
- unnecessary electric saw;
- motor from the pump;
- gasoline or electric walk-behind tractor;
- any electric motor of suitable power.
A drill with a hammer drill, if you use them to chop grass, you don’t need to redo it at all. It is enough to make only a nozzle with blades. The created device will work like a blender, grinding soft plant stems into a container in small portions.
What else can a chopper be made from?
There are many different options for creating garden shredders with your own hands: from the simplest ones, which only allow you to grind grass, to more structurally complex, powerful units designed for wood up to 10 cm thick. Accordingly, the practical implementation of the plan will require different details, different amounts of time and money.
To assemble equipment for processing plant waste, in addition to the considered options for old or unnecessary tools or equipment, you can use the following devices:
- drill or hammer drill;
- an old working vacuum cleaner;
- unnecessary electric saw;
- motor from the pump;
- gasoline or electric walk-behind tractor;
- any electric motor of suitable power.
A drill with a hammer drill, if you use them to chop grass, you don’t need to redo it at all. It is enough to make only a nozzle with blades. The created device will work like a blender, grinding soft plant stems into a container in small portions.
Crusher for walk-behind tractor: features and types
Such a useful shredder efficiently shreds branches, logs and even grass, processing the material into a nutritious fertilizer for the soil. Using the resulting fine particles, you can “invigorate” the soil or protect it from weeds by covering the surface with a thin layer.
True gardeners probably know what mulching is. So, with the help of a chopper on a walk-behind tractor, you can create an excellent mulch that retains moisture in the ground and does not allow any pests or diseases to penetrate the rhizomes of plants.
When choosing a branch chopper, you need to pay attention to the following factors:
- Power;
- Functionality;
- Size;
- Type of crushing system;
- Funnel diameter.
As for the type distribution of shredders, they have different knife systems: milling or disk. The first one looks more like a gear. It is characterized by increased strength due to the one-piece production method.
This branch chopper for a walk-behind tractor is capable of processing branches with a diameter of up to 45 mm. Many models of this plan are equipped with another useful function: self-retracting. That is, the user only needs to place the material correctly, and then the system itself will perform all the operations.
An important point: it is better to chop leaves, grass and other greenery on a disk device, because the milling unit will not always be able to efficiently crush such soft objects.
The disk shredder/crusher for the walk-behind tractor has 2 steel cutters of the appropriate shape. The knives are driven by a shaft, so all fed materials are quickly crushed.
A similar system is relevant for freshly cut branches, leaves, grass, weeds and other relatively soft plants. Dry wood will also chip, but there is a high probability of the knives becoming dull quickly. The resulting fine fraction of waste quickly turns into useful fertilizer.
Wood chippers are also classified by engine type: gasoline or electric. The former are considered extremely powerful, and they easily process waste of any kind. But you need to work with such devices only with protective headphones, because they make a lot of noise.
Electric shredders are characterized by lower power, ease of maintenance and absolute noiselessness. But at the same time, they react very sensitively to surges in the network and can suddenly stop functioning.
These garden attachments are often attached to the front of the machine. Professional models are complemented by pneumatic wheels with treads, chain devices, steel bodies and special cleavers. On the market you can find shredders for “technical assistants” Neva, Centaur, Patriot, etc.
Today, many owners of private sectors have managed to become owners of chip cutters, so they are happy to share the operating features, tell tips and reveal the specifics of caring for the canopy using the video materials presented below.
Design and principle of operation of a grass chopper
To dispose of grass and thin twigs from a small area, gardeners usually use a cutting tool. But manual labor is not effective for processing large quantities of green waste. An unnecessary or non-working washing machine will do well as the basis for a common model of a homemade shredder. It will work on the principle of a food processor. Key nodes:
- shaft with radially fixed knives;
- engine;
- receiving tank;
- container for collecting processed mass;
- frame.
The shredder model involves using a metal tank from a Soviet-style washing machine as a receiving container. For example, from Oka or Fairy. The grass will be loaded into this container and ground in it with a knife. The body of a Typhoon vacuum cleaner can also become a tank.
Homemade shredder
Tools and consumables for the chopper:
- a circular knife or hacksaw to cut blades out of it;
- wire with plug;
- metal corner;
- connecting parts;
- drill;
- Bulgarian;
- welding machine;
- locksmith kit.
Advice. A circular blade is the best option for a homemade shredder. Other designs must be tested in practice as they may not cope with thatch or thin branches.
Operating principle of the device
The design of the grass and extra branches shredder itself is quite simple. This will include several basic elements:
- Protective cover.
- A special working shaft, which is equipped with additional knives.
- Engine.
- Reception box.
- Pulley with additional belt.
- Metal frame.
To make it quite simple and comfortable to move such a device around the entire site, it should be placed on a specialized two-wheeled base. The operating principle of the device is considered quite simple. So, the shaft, with the help of a special motor and an additional belt or chains, begins the process of rotation. At this time, branches and excess grass enter the box, which are quickly chopped using sharp and small knives. In general, this resembles the operation of a simple meat grinder.
Such grass cutters are often used by summer residents themselves. In addition to all this, you can find industrial devices on sale that can easily cope with very thick branches. Of course, such devices are distinguished by a particularly complex design and increased productivity.
Device Features
A wood chipper is a very convenient tool. However, not everyone can afford such a purchase, so most gardeners prefer homemade solutions. But is it possible to create a device without the appropriate plumbing and welding skills and tools? Unfortunately no. Even a simple branch chopper based on circular saws is created by following strict instructions. In addition, to create shafts and bearing housings, you need to turn to professional craftsmen. The whole process can be divided into the following stages:
- Finding a suitable shredder design.
- Selecting a power plant and calculating the final drive.
- Selection of metal components and parts that need to be turned using a lathe.
- Frame installation.
- Installation of drive, cutting parts and belt drive.
- Installation of the protective casing and hopper.
When creating, you should be guided by the following rules:
- If the priority is to obtain small wood chips with minimal resources, give preference to models made from circular saws.
- If you are going to chop small diameter branches into a larger fraction, a cutting mechanism such as a jointer is the ideal solution.
- If you want to chop branches in large quantities, equip disk crushers.
If you have decided on the choice of wood chipping machine, start preparing parts, materials and equipment. However, before that, there are a few key tasks you need to complete.
Choosing an engine and belt drive - what is important to know about it
The efficiency of chopping branches depends on the rotation speed of the electric motor shaft. To ensure reliable crushing of wood, it is necessary to ensure that the cutting disc rotates at a speed of at least 1500 rpm. However, it is still necessary to take into account such an indicator as the amount of torque. This value is closely related to power, and the greater the value of the latter, the higher the force parameter.
How to achieve the required rotation speed of the crusher cutting disk if the electric motor reaches a speed of 2800 rpm? For this, a belt drive with pulleys of different diameters is used. To reduce the rotation speed of the electric motor shaft by 2 times, you need to install a pulley on the drive shaft with a diameter 2 times smaller than the size of the pulley on the driven shaft.
An important point in the design of a homemade shredder is the choice of transmission mechanism. The safest type of gearbox is a belt drive. Its advantage is that if the workpiece jams, the belt will slip along the pulley, eliminating the occurrence of negative consequences. This type of transmission mechanism is considered not only safer, but also reduces the likelihood of engine failure due to overheating and shaft jamming.
This is interesting! To reduce the rotation speed of the shredder cutting discs, you need to install a pulley with a diameter of 100 mm on the motor shaft, and a disk with a diameter of 200 mm on the shaft of the shredder.
Drill
A washing machine tank, as well as an angle grinder, are not the only ways to make your own chopper for hay, grass or straw.
A crusher made from a conventional electric drill is also a good option.
In this case, grass or other raw materials are poured onto the bottom, then the drill is turned on. You must first install a homemade knife on it. Just a couple of minutes, and the workpieces are crushed to the required fraction size. They can be poured out of the container and used for their intended purpose.
The principle of assembling the structure is simple. The work looks like this:
- Take a metal strip. Make a sharp knife of the required size from it. Drill a hole in the middle.
- Install the cutting element on a metal rod. Its second end is inserted into the head of an electric drill. The result is a replaceable nozzle, which is fixed according to the principle of a conventional drill, or an attachment for mixing solutions.
- A nut is screwed onto the second end of the rod. It holds a removable knife.
Now it's a matter of small things. A power tool with an attachment is immersed in a container where raw materials for processing are already poured. The button on the drill is pressed and the speed is set to medium or high.
Priority is given to those power tools where the speed can be adjusted. But at low speeds, grinding grass or hay is pointless. With this mode, no chopping occurs, and the grass simply rolls from side to side.
How to make a grass grinder from a grinder with your own hands
To make your own grass chopper from an angle grinder, you will need a pipe with a diameter of 15 cm for removing the mulch, a metal profile 2 * 5 cm for the frame and a container with a capacity of 20 liters.
Manufacturing procedure:
- Prepare the container. On one side at the bottom, a hole with a diameter of 15 cm is made so that it is possible to install an outlet for mulch. At a distance of 5 cm from the hole, a piece of 2*2 cm corner is attached. The length of the part is equal to the radius of the container. This is a grass limiter. He will not allow the finished mulch to remain in the bucket and will push it towards the exit. Knives are made from a circular saw blade. On one side they are rounded and sharpened.
- The working knives are raised so that they do not fall in front of the limiter. A lid with a hole inside with a diameter of 15 cm is installed on top. This part will allow you to hold the grass, it will not jump out of the container under the influence of the engine.
- A frame is welded from a metal profile 2*5 cm. The height is selected from personal preference, but not lower than 30 cm. The frame resembles a stool. On one side, a base for installing an angle grinder is attached to the legs. It is made of sheet steel 3 mm thick. Using self-tapping screws, secure the angle grinder to the base in a horizontal position, with the sleeve facing up.
For ease of use, the shredder is placed near the compost heap. The outlet casing is inserted into the opening of the composter and the production of mulch begins. The grinder is connected to electricity. Turn on the maximum operating mode and begin to pour grass, tops and branches into the receiving container.
To make the herb chopper last longer, the body is sealed with sheet iron over the container and painted.
Attention! To avoid injury, the receiver is made higher than the length of a person's arm. This way, when loading grass, there is no risk of accidentally hitting the knives and injuring yourself.
The lineup
If you still want to purchase a ready-made branch chopper for your walk-behind tractor, then we offer a small list of popular models on the market:
Branch chopper "Premium" (without wood splitter)
Branch chopper "Premium" (without wood splitter)
Characteristics:
Branch chopper with wood splitter (TYPE - 2) Premium
Branch chopper with wood splitter (TYPE - 2) Premium
Characteristics:
Branch chopper Volodar for walk-behind tractor RM-90D
Branch chopper Volodar for walk-behind tractor RM-90D
Characteristics:
Chipper for walk-behind tractor RM-90 M
Chipper for walk-behind tractor RM-90 M
Characteristics:
Normal operation of the machine with a workpiece diameter | hard wood 60 mm soft wood 80 mm |
Length of firewood output | 80 to 170mm |
Unit performance | 5 m³ branches per hour |
weight | 140 kg. |
We also suggest watching a video of the operation of a wood splitter for a walk-behind tractor:
Drawing up a drawing
In order to avoid having to redo a partially assembled garden apparatus, it is necessary to correctly draw up a drawing, taking into account the size and shape of all available parts.
Numerous forums will help with this, where users discuss the most successful configurations and technical solutions.
In addition, they also share their experience of independently manufacturing garden waste and garbage shredders, posting not only drawings, but also photos and videos of their devices, and also leave feedback on their work.
When drawing up a diagram, you will be able to determine the location of mounting holes and welds. This will allow you to first make individual parts with pre-drilled holes, and then attach the corresponding units to them without adjustment.
Ready-made drawings can be found on the Internet, after which, based on them, you can make a new drawing with dimensions, which will take into account the features of the available parts and mechanisms.
The main advantage of this method is that it eliminates the need to independently determine and calculate the overall configuration of the finished device and the location of the main elements.
Here are drawings of some devices that can be used as basic ones:
- Drawing 1 - This is a standard design for a stationary rotary chipper that works well as a garden chipper.
- Drawing 2 - This is the design of one of the shafts of a two-roll shredder. With some modifications it can also be used in single shaft shredders.
- Drawing 3 – Design of a two-roll shredder.
- Drawing 4 – Drawing of a grass chopper with an electric motor, however, instead of an electric motor, you can install an angle grinder or a drill.
How to choose a branch chopper for a walk-behind tractor and not regret the purchase
A branch chopper, or wood splitter, is a special functional attachment for processing grass vegetation and branches. The recycled material will serve as a good fertilizer for the garden.
The purchase of a shredder should be well thought out, since the cost of this equipment is by no means small.
Criteria for choosing a wood chipper for a walk-behind tractor:
- Engine type. It comes in electric and petrol versions;
- The power of the wood chopper is very important;
- Funnel diameter;
- Type of crushing system;
- Methods for processing garden waste;
- Equipment weight;
- Nozzle functionality.
Electric walk-behind crushers are less noisy than gasoline ones and are also easy to maintain. However, their operation is affected by power surges in the network, and the maximum diameter of branches that they can process is 45 mm. Gasoline wood shredders differ from the former in greater power, which allows them to process almost any waste.
Main components of a garden shredder
To independently assemble a grass and branch chopper (shredder) at home, you must first understand the structure of the mechanism, as well as the principle of its operation. This will help you assemble the equipment correctly and, if necessary, make changes to its design.
A homemade unit, designed for grinding mown grass and sawn branches up to several centimeters thick, has the following main structural components:
- engine;
- knives mounted on the working shaft;
- frame (usually metal);
- protective casing;
- a box designed to receive cut vegetation;
- starting system.
The equipment itself can be made stationary or mobile. To create the latter option, you will additionally need wheels, as well as a handle. To make the frame, use metal corners or ready-made frames from workbenches. Boxes for processed vegetation are made from plastic buckets, tin, and bags. The protective casing around the knives should be thick and durable enough so as not to quickly wear out from the impact of grinding vegetation.
The operation of the chopper is that rotation from the motor shaft is transmitted directly to the knives or through a chain/belt drive. The vegetation chopped by the blades enters the box. In this case, the final product is immediately ready for use.
According to the principle of operation, some homemade shredders are comparable to a meat grinder (they draw in and then grind organic matter), while others are comparable to a coffee grinder.
Characteristic
The attachment to the walk-behind tractor - a branch chopper - is one of the most necessary things in the household. Using this attachment, you can perform the following types of work:
The garden drum shredder is a new useful device that is powered automatically by an internal combustion engine. Nozzle design:
Operating rules
When working with any electrical device, safety precautions must be observed. The grass cutter is no exception! To prevent the device from deteriorating, you need to know the basic operating rules:
- The mechanism will jam if damp branches or grass are placed in the device.
- You cannot store raw materials in large quantities. Everything should be in moderation.
- The device must always be supervised when it is switched on.
- The mechanism has piercing and cutting elements, so children should not be allowed near the device.
- To prevent the device from getting wet in the rain, it is installed under a canopy.
- Do not allow foreign objects such as glass or metal to get inside the device.
- If something is stuck inside, the device is disconnected from the network and only then the stuck part is removed.
- Electrical wires must be insulated.
The first launch of the device is done very carefully, since it is the most dangerous. https://www.youtube.com/embed/HoCh_HLO-Vc
How to assemble a cutting element yourself
To make a milling knife you will need:
- circular saws (10-12 pcs.). Their quantity may differ from the indicated amount, both smaller and larger. The more disks are installed, the smaller the chips will be at the output;
- threaded rod M20;
- bearings (internal Ø 20 mm);
- dense soft plastic for making spacer washers;
- washers and nuts for fastening.
Assemble the knife as follows:
- Place the disk on the pin (its diameter of 20 mm coincides with the hole of the saws).
- A washer cut out of plastic should be installed between adjacent disks. It is necessary so that the cutting edges of adjacent saws (they are wider than the blade of the blade) do not cling to one another.
- The outer disks are secured with washers and nuts. As a result, you will get a shaft with circular saw blades located on it. All that remains is to install the bar with saws on the frame using bearings, bushings and clamps.
How to make a disc crusher
If you like this type of chopper, then you need to understand that to assemble it you will need good welding skills. Moreover, it is necessary to prepare the following materials:
- sheet of steel with a thickness of 10 to 16 mm;
- the same, 5 mm thick - on the casing and loading hopper;
- high-carbon steel for knives, a car spring is suitable;
- round or profile pipes to weld the frame;
- steel shaft with a diameter of 20 mm;
- 2 rolling bearings No. 307 or others;
- fasteners (bolts and nuts)
- pulleys, belt.
Note. A belt drive may not be installed if the crusher is supposed to use an electric motor with a speed of 1500 revolutions per minute.
You can find different drawings of a wood chipper on a variety of Internet resources; we recommend for you one of the most common options:
A good circle with a diameter of 400 mm is cut out of thick metal, and a hole for the shaft is made in its center. The pulleys and shaft must be turned on a lathe, and threads must be cut at the ends of the shaft to fasten the flywheel and pulley. Knives can be created at home, following the drawing; in any case, leave this task to the milling machine. Next, from a sheet of steel you need to weld a casing with a protective function with a hopper, and from it you need to make cages for bearings with holes.
Essentially, a homemade branch chopper is a cutting mechanism mounted on a frame of any design. The drive motor can be positioned in a comfortable location depending on the length of the belt. Do not forget to mount the motor slidingly so that the belt can be tensioned. The mechanism shaft is also placed on the frame, and a pulley and flywheel are attached to it. The knives should be screwed to the flywheel with bolts so that their inclination angle is 30°. To do this, you need to prepare specialized steel linings.