Drum chippers for chip production

Processing and disposal of wood waste is a headache for enterprises whose activities are related to the procurement and processing of wood, but not only them.

Country property owners also regularly face the problem of removing branches left after clearing the garden, uprooted stumps, and wood construction waste. A simple and useful device - a wood chipper - will help solve all these problems, and perhaps make money.

What is a crusher and why is it needed?

During the planned deforestation and removal of round timber, a huge number of branches of all sizes remain in the cleared area.

Burning them on site is dangerous and irrational. Exporting them in their natural form is expensive and inconvenient - having a fairly small mass, they take up an unreasonably large volume.

It is also impossible to leave them: the tree, rotting, turns into a breeding ground for forest pests.

We should not forget that wood in any form is a valuable source of cellulose. Every recycled branch, every twig is a new newspaper, book page, notebook for a schoolchild.

A crusher will help to significantly facilitate the processing of wood waste. Wood crushed directly at the felling site takes up little space, is easy to transport, and is completely ready for further processing.

What is a wood chipper?

A wood chipper (shredder, crusher, shredder, etc.) is a mechanical device that splits wood into small fragments. There are several design options capable of producing material of different fraction sizes.

There are installations for the production of pellets that produce fine wood chips. The larger material that other structures make is used to produce wood concrete. In addition, there are ordinary wood chippers for the garden, which are used to make compost and do not calibrate the wood chips in a certain way.

The starting materials can be:

• Cutting boards.
• Obzol.

• Branches.
• Thin plant trunks.

There are universal designs that can work not only with wood, but also with coal, plastic and other materials.

Kinds

The industry offers wood crushers of various designs. The choice of one model or another directly depends on the amount of work expected. Large enterprises involved in deforestation prefer autonomous devices that are installed on tractors and are guaranteed to cope with any amount of waste. For a country house or cottage, it is rational to purchase a portable crusher with an electric drive.

There are several main types of wood crushers, each of them has its own characteristics:

• disc crusher;
• drum chopper;
• rotary unit with a vertical or horizontal shaft;
• hammer crushers of various designs.

Disc chippers and drum chippers are great for woodworking businesses. These units can easily cope with thick branches, and if necessary, they will break whole trunks into chips. The quality of the resulting chips allows it to be used for the production of wood panels, bypassing the additional processing stage.

Rotary units, or shredders, are ideal for processing wood waste from construction. Wooden beams removed from destroyed dilapidated buildings, boards used as formwork, as a rule, are replete with various metal objects, these are self-tapping screws, staples, nails. These devices allow you to crush wood and separate it from metal.

A hammer crusher for wood is excellent for crushing finished wood chips to bring its size to the desired fraction. The main part of the device is metal hammers on a pendulum suspension.

Wood crusher price

The price of a wood crusher depends on the performance of the equipment, the installed power of the power unit and the number of impact hammers.

• The price of the MB-1 crusher is 230,000 rubles (15 kW / 22 hammers)
• Price of crusher MB-2 RUR 390,000 (30 kW / 63 hammers)

Our company has real experience in developing and implementing equipment to meet the customer’s production requirements, including integration into the existing production chain. From planning machine performance to prevent production bottlenecks, to developing equipment configurations to meet equipment placement requirements.

Warranty and maintenance of industrial wood chippers

The chip crusher is guaranteed for a period of 12 months from the date of sale, including the absence of manufacturing defects. The guarantee is enshrined in the contract. Consumable parts that are subject to normal wear and tear, such as V-belts, will need to be replaced yourself. When carrying out maintenance, it is necessary to pay attention to the condition of the impact hammers, the presence of grease in the shaft bearings and the tension of the drive belts.

For home and garden

For home use, a very powerful unit is unlikely to be needed. An electric crusher with average characteristics can easily cope with the work of disposing of gardening waste.

This useful device, installed in the country, will help solve a number of problems. Among other things:

• will get rid of constantly accumulating debris in the form of branches and uprooted stumps;
• will allow you to save significantly, wood chips are an excellent fuel that can replace the usual coal, firewood, gas;
• will produce sawdust, which is one of the best materials for mulching plants;
• will help you make money on the chips obtained as a result of crushing, because this is an excellent material for creating wood boards and producing paper.

Even if the amount of wood processed is not too large, the crusher is guaranteed to pay for itself, since waste that was previously burned or rotted can be recycled, thereby contributing to preserving the ecology of the planet.

Wood chips for making wood concrete

Since wood concrete is a building material, the manufacturing technology and quality of components are strictly regulated by GOST.
According to the requirements, the dimensions of the chips should be:

• Length - 40 mm.
• Width - 10 mm.
• Thickness - 5 mm.

A small amount of impurities is allowed in the composition of the material:

• Sawdust - 5-10% (maximum).
• Needles - 5%.

Expert opinion

Levin Dmitry Konstantinovich

The shape of the chips should be formed by splitting along the grain rather than by cutting crosswise. This ensures the mechanical qualities of the filler - strength, ability to hold shape, preservation of the material during storage in large containers.

DIY making

You can buy a wood chipper at any hardware store. The industry offers devices of any power, for every taste. Of course, if you have the skills to work with metal, you can make a full-fledged wood waste crusher with your own hands. It is unlikely to reach industrial volumes, but it will definitely cope with work at the dacha.

Selecting a device circuit

There are different types of wood chippers, each with their own pros and cons. In principle, if you have the proper experience, tools and materials, you can make any of them at home. Here it is important to soberly assess your strengths and proceed from the amount of work that will be performed by the crusher. The best option for home use is a disc crusher for wood. On the one hand, it is easy to manufacture, on the other, it has sufficient performance.

The working part of a homemade crusher is a disk with knives mounted on it. Rotation is transmitted to it through a belt drive. The disk rotates, the knives bite into the wood, breaking off chips from it. The chopped wood is thrown outside, stored near the crusher or filled into bags.

Preparation of tools and materials

Before you start making the device, you should prepare the tool. To work you will need:

• welding machine;
• Bulgarian;
• drilling machine or electric drill, you can get by with a mini-machine, a drill mounted on a frame, providing an accurate drilling angle;
• set of tools (keys, screwdrivers);
• brush and paint.

To manufacture the working part of the crusher, you will need a steel disk with a diameter of about 30 cm. The thickness of the metal must be at least 16 mm. This disk, in addition to fixing the knives, performs the functions of a flywheel, therefore, the greater its mass, the larger the branches the unit can handle.

Cutting tools - knives. They can be purchased, selected by size, or made independently from a hard steel plate about 7 mm thick. The knives are fastened with bolts.

The electric motor power for this device should be about 3000 W. This power is enough to cope with the volume of waste generated in a standard garden plot. The shaft is made of steel rod; bearings are selected according to its diameter. A drive pulley is also installed on it.

Among other things, you will need sheet steel to make the casing, a square for the ejector blades and mounting brackets.

How to buy a wood chipper

Step 1: Send a message. To purchase a wood chipper, send a message in free form from this page. Indicate your contact details - telephone or email address. If it is more convenient for you to communicate via WhatsApp or Viber, make a note accordingly. To order a custom wood chipper configuration, please state your requirements. If you purchase a basic package, simply provide your details and request a package of documents for purchase.

Step 2. Receive information or a package of documents - an invoice and an agreement. Signing the agreement is possible by exchanging facsimile copies or a computer scanned copy. If you need to have a paper copy of the agreement, you will receive a copy signed by us by mail. The contract specifies the amount, guarantee, production and shipment time, and delivery.

Step 3. The next day after payment you will receive confirmation, the order will be accepted for production. Depending on the workload of production, the production time for a wood chip cutter can take from 5 to 20 days. Specific terms are established by the contract at the time of signing. We will notify you when the wood chipper is ready for shipment.

Step 4. Delivery of the wood crusher.

Drum crushers for wood

They benefit in productivity compared to disk-type chippers. Accordingly, they require a larger engine. Drum crushers (chips) for wood can be powered by a diesel engine, a power take-off shaft, or an electric motor.

The retraction power unit is made in the form of a pair of drums with spikes. Feeding can be done manually or using a manipulator.

A more convenient scheme can also be implemented. The pressing drum with spikes is located on top, and the raw material is fed by a belt with spikes from below

The most popular manufacturers and models

Before you start creating your own project, it is useful to familiarize yourself with the structure and features of the most successful industrial designs. This helps to more accurately understand the operating principle and make the necessary clarifications in the diagram.

Let's look at some of the popular models of wood chippers:

Skorpion 350 SDB

Polish drum crusher. Copes not only with small, but with large workpieces (logs up to 280 mm). It has an increased safety margin for the cutting tool; the caterpillar feed facilitates the processing of small pieces of wood.

Moby 250

Autonomous shredders designed in the form of a semi-trailer. They are equipped with their own diesel engines and are connected to a hydraulic drive system. Designed for use in field conditions.

Cramer COMBI CUT 9600

The German unit has good build quality and high reliability of all components and parts. Made as a stand-alone unit with its own Honda engine. Capable of processing 830 kg of raw materials per hour.

MTD ROVER 464Q

Semi-professional garden branch shredder. Equipped with two separate diffusers for loading branches and plant stems. Driven by a gasoline engine, there are 2 wheels for movement.

Lumberjack MP 300

A universal domestic stationary wood chip cutter, capable of operating with a 22, 380 V electric drive or based on a gasoline engine. Capable of processing up to 300 kg of raw materials per hour. Designed for gardening work with branches and beveled plant stems.

Viking GE 105

Disc chipper made in Austria. Used for chopping branches, wane and other types of raw materials. Equipped with an electric drive, the maximum thickness of workpieces is 35 mm.

Caliber ESI-2400N

Chinese garden shredder disc type. Equipped with an electric drive powered by 220 V. Compact and lightweight unit, weighing only 11 kg.

The listed devices are relatively inexpensive, as they are made primarily for use in the garden or country house. High-performance industrial plants are significantly more expensive. For self-production, it is better to choose a low-power design so as not to overload the components and parts of the machine. This is dangerous and can cause damage and injury.

Design, principle of operation, varieties

Chip cutters: 1-Single-roll 2-Double-roll 3-Disk
There are three structural types of chip cutters:

• Single shaft . These are expensive and productive machines that are widely used in production. The main working part of this device is a shaft with pobedite cutters installed on it. The feedstock is supplied to it using a special unit - a pre-presser. Rotating, the shaft cuts chips from the workpieces, the size of which depends on the distance between the carbide teeth.

To achieve maximum productivity, it is necessary to use homogeneous raw materials. Some companies recycle old, worn-out pallets.

• Twin-roll . This design allows you to process not only wood, but also other materials. The versatility and ease of manufacture have led to the fact that most homemade wood chippers are made based on this particular design. The working body consists of two shafts on which cutters are tightly mounted. They rotate towards each other and grind the raw materials, which are supplied from the hopper. The quality of processing depends on the engine power and the speed of rotation of the shafts - the faster, the smaller the size of the chips. It should be taken into account that too slow rotation leads to the workpiece being pulled between the teeth and the cutters wedging. Therefore, the rotation mode should be selected according to the characteristics of the material being processed.
• Disk . these installations operate on a different principle. The working body is a rotating disk, on the lateral plane of which elongated incisors are installed in the radial direction. When feeding raw materials onto the disk, grinding occurs to a certain size, which can be adjusted by changing the inclination of the cutting edges relative to the radius lines. In addition, it is possible to adjust the size of the fraction by increasing the number of cutters.

Expert opinion

Levin Dmitry Konstantinovich

The simplest and most affordable designs are considered to be two-roll and disk. They are often used by home craftsmen as prototypes for homemade projects.

Design options for homemade wood chippers

Typically, two design options are used for DIY manufacturing:

• Double-roll wood chipper . Users are attracted by the ease of creating cutting tools - circular saws or wood cutters are used. mounted on two parallel rotating shafts. It is not difficult to transmit rotation to them, finding the required number of cutters is also not a significant problem. All that remains is to make the frame and weld the machine casing.
• Disk type . Here, knives from an electric planer are used, mounted on a rotating disk. The working element itself requires good balancing, otherwise the machine will quickly fail due to strong vibration. Usually the disc is ordered from a turner, and they only mount the knives themselves and make a protective casing with supply and ejection diffusers.

Both types of machines are manufactured using different tools:

• Grinder with cutting disc.
• Welding inverter with a set of electrodes.
• Drilling machine.

• Set of wrenches.
• A set of common plumbing tools (hammer, pliers, screwdrivers, etc.).

Expert opinion

Levin Dmitry Konstantinovich

During the work process, you may need other tools available to the user. The final choice is determined by the design chosen as the basis for the future machine.

All work is carried out in stages:

1. Making a frame from a channel or a strong corner.
2. Installing the hubs of the working body and checking the functionality of the shaft (or shafts).
3. Installation of drive pulleys and tensioning mechanism, adjustment of correct movement when tensioning drive belts.
4. Cutting metal sheets for making a body. They are attached to the frame with threaded connections.
5. Manufacturing and connection of chip supply and ejection diffusers.

The manufacturing stages are indicated conditionally; additional operations are possible during assembly.