DIY chain sawmill drawings. The process of assembling a tire sawmill with your own hands. What is a chain sawmill

Today it is difficult to imagine the modern private sector without a chain sawmill. She happens to be an indispensable tool for many jobs, especially when it comes to repairs and construction. Therefore, its presence is completely justified.

But not all people have the opportunity to purchase such an instrument for money. After all, such a sawmill is not so cheap, and even to buy quality tool not easy. This prompted specialists and craftsmen to develop a simple technology by which you can make a chain sawmill with your own hands.

Preparing for work

Before you start working directly on the tool, you need to decide where you will place the sawmill. Best places for this purpose - a garage or workshop. After all, a sawmill is a rather heavy tool in terms of weight and size. Therefore, it is recommended to install it immediately where you intend to work.

Some people store sawmills in their yard. But it is not recommended to do this for the reason that the sawmill may deteriorate in the open air. Therefore, if you have nowhere to store it, then you need to take care of at least a minimal canopy.

When a location is chosen, make sure that the tools are available. For a sawmill, it is best to select good quality metal that does not show any signs of corrosion, cracks or holes. The level of reliability in the future will largely depend on this. So, you will need:

two steel channels 2 cm high and about 9 m long (the sizes may be different depending on your personal preferences and capabilities);
sections of metal water pipes;
powerful hammer drill;
metal corners;
thick bolts;
welding machine;
metal blanks for racks;
wooden blocks;
steel plate, the dimensions of which are slightly more sizes electric motor of the future sawmill, and the thickness is about 5 mm;
rubber gaskets;
steel plates;
a special chain, which is purchased separately (it is best to take a new chain, checking its quality at least visually).

When selecting basic metal blanks, also remember that they all must be perfectly smooth. If there are distortions in any places, the DIY chain sawmill will turn out to be of poor quality. And this, you see, will not make you happy at all.

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Preparation of blanks

Now is the time to get to work. First, clear the area where the sawmill will be located from debris and unnecessary items. It is important that this place is as level as possible. Therefore in case uneven surface It is highly recommended to level it.

Now take two main channels and drill identical holes with a hammer drill at the same distance from the edge along the length (about 1.5 m). Next, the same distance is measured from the holes along the entire length, markings are applied and drilling is carried out in the same way. As a result, you will have several holes. The main thing is equal distances between them and maintaining their parallelism on the channels relative to each other.

Now you need to count the total number of holes. And prepare pipe sections in the same quantity. The length of each tube is approximately ¾ of the length of the channel. But the thickness can vary from 2 to 2.5 cm. The connection to the channels is made using bolts, for which holes are drilled in advance with a hammer drill.

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Manufacturing and fastening of racks

Next, you need to make stands on which the tool will rest. IN ideal you should get 4 identical thick racks, which are fastened to the channels using the same bolts or welding machine. If the expected length of the unit is large, you can use more racks for reliability. Here you have the right to decide for yourself.

But before fastening, you need to install the frame on the racks. Carefully ensure that the racks are at a distance of about 0.8-1 m from the edges of the bed. After this, you can safely connect the frame to the racks in the manner described above.

But, in order for the tool to be quite strong and reliable, it is necessary to perform lower fixation. For this purpose, wooden blocks are used, which are placed under the racks. Try to make everything straight at once so that the tool does not warp.

When constructing any object, wood is needed: for rafters, stairs, floorboards, furniture. Purchase finished goods very expensive. And why? You can do everything yourself. All you need is desire and some materials.

Purpose of the tire sawmill

Wood is necessary for human life different breeds, each for its own purpose. It was once processed exclusively with axes and hand saws. They were replaced by and.

The equipment is constantly being modernized, and more and more convenient modern machines are appearing. These include tire sawmills. They cannot replace other machines such as rounding machine or a crown cutter, but they perform their wood processing functions successfully.

If construction is planned country house or a wooden dacha, you will need quite a lot of material. And if there is a forest nearby and there is an opportunity to stock up on it, then it is best to make a tire sawmill with your own hands to process it and make building materials.

Making a sawmill with your own hands will help solve any problem related to wooden products: make a barn or a gazebo, a log house.

Tire sawmill self-made can produce:

high-quality sawing of logs in the longitudinal direction;
on it you can give the logs the same shape and size;
cut them into boards, beams, slats, and many other elements.

A homemade tire sawmill produces small batches of non-standard wooden blanks and processes wood of different species.

Placement and design of tire sawmills

To install a tire sawmill, you do not need a large area. It can be installed in a small area.

Created with your own hands, it can be stationary, in which it is installed Electrical engine, or mobile (using gasoline engine). This will allow sawing equipment to be moved to any location, including the production of lumber in the forest.

They make the following designs for tire sawmills with their own hands:

Appearance tire sawmill with electric motor

With the movement of the working unit along the processed tree.
With a longitudinal method of feeding wood to the unit.

The advantage of the first type of tire sawmill is the control over the working unit throughout the entire section along the log. This ensures uniform cutting and high speed.

In the second case, control over sawing is more complex. A strong push from the tree can cause the chain to jam or the engine to overheat. The advantage is that there is no large quantity electrical wires, moving behind the unit.

Components of a sawmill

The working unit consists of:

Beds:
tires;
electric motor;
clutch mechanism.

The cutting tool here is a chainsaw chain bar. When used for sawing mechanism chain saw, intended for rip sawing, the cutting surface is guaranteed to be smooth.

The power unit is a three-phase electric motor with a power of 5.5 kW or a four-stroke gasoline engine with a power of 5.5 horsepower.

The basis of the sawmill is a frame along which a mobile trolley with a saw mounted in a horizontal position moves. The base must be of high quality to reduce vibration.

Bed design:

two steel or rails 8 meters long and 14 cm high;
Along the entire length of the channel, ties made from sections of metal pipe are installed;
holes are made in the channels and ties are installed in them every 1–1.5 meters.

Operating highlights

The tire sawmill is installed in any room or outdoor area.

Operating rules:

The tire sawmill can be installed in any place convenient for you

The room must be well ventilated and lit, since the unit is classified as dangerous.
On outdoors Electrical equipment must be protected from precipitation.
The area for the equipment must be level. If the surface is uneven, the rail track is placed on anchors.
The rail track and tire must be horizontal.
The sawmill is installed on four support rollers, which roll it along guide rails.
The thickness of the sawn board is regulated by a vertical screw, which, when rotated, raises or lowers the cart with the saw unit.
During operation of the sawmill, the log is fixed motionless along the frame.
The clamping stops for supporting the log have a simple and convenient design: screws press the log against the stop flags.

How does a sawmill work?

The cutting is carried out by a chain bar mounted on a carriage moving slowly along the log. Please note that the chain is intended for longitudinal sawing and must be sharp to make sawing easier. If a chain is used for crosscutting, it must be sharpened at a different angle suitable for rip sawing.

The chain saw attached to the bar has long term service, quick and easy to install. If the drive sprocket wears out, it must be replaced before putting on a new chain.

The carriage with the tire moves manually. The height of the tire is also adjusted manually using a special handle on the screw. The bar can be raised or lowered a certain distance to ensure the required cutting thickness.

The chain tension must be adjusted and this is constantly monitored during operation. A constant flow of oil from an oil can is organized into the nose sprocket of the tire.

The quality of cutting on a tire sawmill does not suffer even if the chain is poorly sharpened. The tire's rigidity allows it to be maintained at an excellent level, without waviness or barreling.

DIY tire sawmill assembly

Making your own tire sawmill is not difficult, although it is troublesome. You need to prepare the appropriate materials and tools:

device diagram;
channel or rail;
steel pipes for pipes and spacers;
electric motor or gasoline engine;
tire, drive sprocket (can be taken from a chainsaw);
welding equipment with electrodes;
drill and cutting tool for metal;
auxiliary materials: chalk, hammer, tape measure.

First, a rectangular frame is constructed:

a tire is attached in the center of the frame at its base;
the fastening must withstand increased load and be reliable.

Follow a certain sequence of manufacturing a tire machine:

The cutting element is mounted on an axis made of high-strength steel. To do this, use the hole that is on the driven sprocket.
Thanks to the axis, the saw cannot move horizontally.
To prevent vertical offset, bearings are mounted on the axle on both sides directly next to the tire.
The bearings are clamped with a sleeve, the axle is welded to the frame.
On the other side there is a motor and a chain tension control unit. All spare parts can be taken ready-made from a chainsaw.
The drive drum is mounted on the electric motor shaft and secured with a longitudinal key.
The structure is centered and securely fixed in the body.

The engine needs special attention. To avoid strong vibration, the trolley under it must have sufficient rigidity. It is mounted from a steel sheet 4–6 mm thick. To eliminate transverse play, a stop angle is attached to the trolley.

Installation of the structure on the base

After completing the assembly of the working unit, it is fixed to metal frame, which you can also make yourself.

Frame installation sequence:

Weld two pieces in a U shape from durable steel pipes.
Weld or bolt the upper parts of the workpieces.
Weld 4 pipes vertically in the center of the frame.
Make indentations on the outside of each pipe at a distance of 20 mm from each other.
Weld four pipes to the working unit. They are put on the frame pipes.

The design provides the sawing unit with freedom of movement in the vertical direction. To fix the unit in a certain vertical position, bolts must be installed.

Stationary unit

A concrete base is sometimes made for a stationary sawing unit.

You can install the clutch yourself. This is an intermediate transmission mechanism from the engine to the drive gear. Transmission is carried out by belts stretched over engine pulleys and gears. The belts are pressed with special rollers. This device makes the sawmill more efficient.

The assembly process is multi-stage, but it is quite possible to make such a unit with your own hands. Installation of a tire sawmill on suburban area or at the dacha will bring a lot of benefits. After all, with its help you can produce a large assortment of necessary wooden products, and not run around looking for expensive materials in stores. A handmade product will not require large expenses.

A do-it-yourself chain sawmill in most cases is a regular chainsaw, rigidly mounted on metal structure for smooth movement along the material being cut. With this device you can cut long logs into pieces of the required length with good quality surfaces The disadvantage of everyone chain sawmills is the larger cutting width, the percentage of waste is higher compared to other types of devices.

The chain sawmill, when using an electric motor, must be equipped with necessary equipment for launch and protection.

Craftsmen have developed several versions of devices, sometimes copying industrial ones, sometimes completely unique. Materials and parts for many devices were used from completely unexpected old mechanisms - bicycles, cars.

Manufacturing a stationary sawmill will cost much less than a purchased option, but requires certain experience and skills. You must be able to work with metal, producing high-precision parts, and be good at electric welding. Some parts need to be made on a lathe.

Therefore, before starting a project, it is advisable to carefully weigh all the pros and cons.

Selection and preparation of a site for a sawmill

To install a sawmill, a free space of approximately 3 x 6 m is required. When choosing, you need to take into account the possibility of supplying/removing material and storage space. If possible, the device should be located indoors or at least under a canopy. The roof will protect the equipment from weather conditions and allow you to work in the rain.

The surface must be flat, without significant slopes. It is necessary to provide for water drainage during rainy weather and snow melting so that puddles do not form. It is advisable to start manufacturing the sawmill at the installation site. The best option there will be a concrete surface.

To move the saw you need to prepare two rails or channels. The main requirement for them is perfect evenness without the slightest bends. The length will depend on the expected length of the logs for processing, usually from 4 to 8 m. The workpieces must be fastened together, precisely maintaining the distance between them. The fastening can be made permanent, using electric welding, or dismountable, using bolts. Use the old one to connect water pipe with a diameter of 25-30 mm or other material available. The fastenings should be located in increments of 1-1.5 m. It is important that both workpieces are in the same plane, without distortion, otherwise the cart with the saw will change the angle of inclination relative to the log when moving, and the cutting surface will be uneven - “helicopter-like”. After installing the travel paths, you need to install racks to secure the log. They can be made from any metal profile of sufficient rigidity to withstand the weight and shock of the logs. The racks must be positioned as follows:

the first one along the saw path should be at a short distance from the edge of the trolley with the saw installed in the initial position;
the distance from the first to the last rack should be less than the length of the processed logs by approximately 0.5 m;
the intermediate posts must be distributed evenly between them.

The racks must be installed on the surface in one plane with sufficient strength, so as not to sink under the weight of the log. The plane of their installation must be parallel to the plane of the travel paths.

Log clamps must be installed on the posts. Their design can be any of the available materials. The basic rule is that the clamps should not interfere with the passage of the saw and should be able to fix logs within a certain thickness range.

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Making a moving trolley

You can make a chain sawmill with your own hands in two versions, depending on the position of the saw:

the tire is located in a horizontal position;
vertical tire arrangement.

In the first case, the cut will take place along a horizontal plane, the sawn material will be on top of the log. In the second, the cut is vertical and the sawn-off part will be on the side.

To make a trolley, you can use a square profile pipe, angle or other material with the required strength.

The dimensions of the cart will depend on the length of the tire used, the weight and the size of the engine. The cart must be in stable equilibrium in all engine positions. The width of the frame must correspond to the width of the mobile tracks.

It is advisable to use carriage-type wheels with a side that prevents derailment. The diameter of the wheels should ensure smooth, effortless movement.

Assembly can begin by making two side frames with wheels. Then they need to be installed on the rails opposite each other, fixed and assembled the upper part. It is advisable to make all connections using electric welding. In the corners, to increase rigidity, it is necessary to weld jibs or corners made of sheet steel 3-4 mm thick.

To mount the engine you will need a steel sheet with a thickness of 4 to 8 mm. If the engine is light in weight, the nuts for the studs that move the saw can be welded to the sheet after cutting out the holes. For engines of significant weight, it is better to make an additional reinforced frame. The assembly of the structure must be carried out on a trolley, having prepared all the elements. First you need to assemble using “tacks”, connecting the parts so that they can be easily cut or torn off. Then you need to check the design for assembly accuracy. The main points to check should be:

easy movement without significant effort of the saw throughout the entire permissible space;
precise position of the tire without tilting, corresponding to the plane of movement;
rigid, without movement, position of the entire mobile structure.

If the design has passed the test, you can begin welding all connections.

Not everyone can afford the purchase of a ready-made sawmill, especially since it will only pay off with constant use (read commercial use). Is it possible to make a sawmill with your own hands? What difficulties will a do-it-yourselfer face if he decides to cut raw logs into industrial wood on his own?

Homemade band sawmill

Let’s agree right away - do it band sawmill very difficult for yourself. It's not so much about the components, extensive turning and welding work, the need to sharpen and set the saw in a special way, but in the smooth functioning of the entire complex.

It is necessary to ensure loading and stability of movement of up to 300 kg of one log, adjustment of cutting thickness, and most importantly, safety precautions. But if the availability of free wood wins, we make a band sawmill with our own hands.

Let us explain the principle of tape cutting with an example: take two spools of thread, stretch a threaded thin tape between them. By forcibly rotating the belt, we cut the log, the distance between the belts is maximum size timber. Band saws are convenient for cutting boards.

We start with choosing a production area or premises - at least 3x6 m, verified. Second in importance - metal wheels trolleys and band saw, you need to find it or buy it. Order the frame of the belt mechanism with wheels, or it is better to buy a ready-made one. Self-production requires skills and a lot of high-precision tooling.

View 1: 1 - stand; 2 - roller; 3 - plate; 4 - screw; 5 - chain; 6 — guide lug; 7 — movable comb; 8 - screw; 9 - fixed comb; 10 - remote control.
View 2: 1 - pulley for starting the motor (if a three-phase motor is connected to single-phase network); 2 - engine; 3 - pulley; 4 - shaft; 5 — housing with bearing; 6 - base; 7 - flywheel; 8 - finger; 9 — connecting rod; 10 - saw; 11 — M14x2 screw; 12 — roller; 13 — guide angle; 14 - stand; 15 — steering wheel; 16 — bushing; 17 — asterisk; 18 — nut M14x2; 19 — lock nut; 20 is an asterisk.

We install guides - any durable one smooth metal: I-beam, channel, angle, under them, through 0.5 m, a support or anchor for stability. The distance between the guides is the diameter of the big log with a margin of about 0.7 m. Maintaining the geometry, we weld everything together. We attach wheels, a belt mechanism frame, and an electric motor through a pulley to the cart.

Think over the mechanism of change horizontal movement saws relative to the log. Moving the cart relative to the fixed log, we cut off a horizontal layer of wood - we make boards.

Disc sawmills have received the greatest handicraft use due to their versatility and ease of manufacture. We will make a circular sawmill with our own hands. The most important thing is that we will need a circular saw - a disc larger than 500 mm (the larger the better). The propulsion device is usually an electric motor through a pulley that increases the speed.

1 - main sleeper ( steel pipe 80x80x3, 5 pcs); 2 — lining (steel sheet, 40x10x1.22 pcs.); 3 — guide blade (steel channel No. 8, L1750, 4 pcs.); 4 - trolley (telpher carriage); 5 — bottom bracket (steel channel No. 18, 2 pcs); 6 - plate - base (stylish sheet s5); 7 — M20 bolt) (4 pcs.); 8 — Grover washer (4 pcs.); 9 — nut M20 (4 pcs.); 10 — three-phase asynchronous electric motor (220 V, 5 kW, 930 rpm); 11 — upper bracket (steel angle 45×45); 12 - canvas circular saw; 13 — protective casing (steel sheet s2); 14 — steel pin (8 pcs.); 15 — circular saw hub (St5); 16 — thrust handle (water and gas pipe 3/4″); 17 — cut-off slab; 18 — thrust gusset (steel sheet s5); 19 — comb (steel angle 45×45, L400); 20 - log; 21 — M30 bolt; 22- split washer; 23 — retaining washer (steel sheet sЗ); 24 — thrust crossbar (steel angle 45×45); 25 — shortened sleeper (steel pipe 80x40x3, 6 pcs.); 26 — overlay for lengthening the blade (steel sheet 250x180x10, 2 pcs.).

A welded frame is prepared, a metal (less often wooden) plate with a slot for the disk is placed on the frame. The gaps between the disk and the plate are minimal. The saw shaft is attached to the plate from below on bearings and a pulley. The electric motor pulley and the saw are connected by belts (reinsurance when the saw jams) - a homemade circular sawmill can work!

one of the options for a homemade circular sawmill

To tension the belt, use the weight of the engine with the addition of weights. Make the supporting platform of the electric motor movable coaxially with the saw shaft, deflecting under weight in the opposite direction. The wheel of a working tractor with a drive to a saw pulley without belts is often used as a propulsion device.

The principles of cutting are the same as in strip cutting - we feed the log to cutting disc. After a disc cut, the surface of the lumber is of higher quality due to the speed of processing. Disc sawmills come in vertical and horizontal types - they are easier to use in mobile installations.

Tire sawmill

We need to start by understanding what and how much we will cut. If you need to cut 100 - 200 rafters for a house being built from free logs, then 400 boards, it is better to use a hand-held professional chainsaw. Let's do it homemade sawmill from a chainsaw, the method is inexpensive, simple and effective.

drawing the simplest sawmill from a chainsaw (download full drawing)

You will need any smooth metallic profile, welding and grinder. We start with the maximum length of the log - practically about 4 m. For this length you need to find a channel or I-beam, you can weld it from pieces with reinforcement - the main thing is that the resulting profile is even. We are starting to make our autonomous sawmill based on a chainsaw.

The design is a powerful profile on working height– above the belt along which the attached chainsaw moves in the cart.

The height is determined by ergonomics; a prolonged knee-elbow position is not useful. A log is placed parallel to the main profile on a support frame, a running chainsaw moves along the log and makes the necessary trimming.

A few more details about the features. Main element– main profile, providing geometrically correct sizes lumber, must be sufficiently strong and rigid, if the channel is at least 200. The profile rests on 3 or more supports connected to the support frame on which the log rests.

If you decide to make a chain sawmill with your own hands, be sure to look at the LOGOSOL sawmills. Drawings and documentation can be downloaded from the website and used as the basis for your homemade product.

The main errors when sawing are formed when the cart with the chainsaw oscillates, so the movement of the cart along the profile requires at least four firmly pressed metal wheels, it is necessary to provide manual drive. The simplest is a well crank with a drive wheel along the main profile.

To install a heavy log, slopes are usually installed along which it is convenient to push the log successively from side to side onto the support frame, wedging it on the frame.

The most difficult thing is the adjustment mechanism for the thickness of the product. The simplest way– installation of screw or any rigidly fixed jacks along the edges of a support frame movable in a vertical plane. We adjust the jacks - we adjust the thickness of the product. An example of the construction of a mobile tire sawmill based on a chainsaw can be seen in the photo.

Cutting wood can be done by one person: holding the chainsaw handle and adjusting the gas, we feed with the other hand.

Conclusion

A few thoughts on the feasibility of making a sawmill. Tested by time and practice - self-production makes sense with free materials. If you calculate the labor costs and materials, and the possible benefits, you will understand for yourself. The worst thing is when self-production– few people pay attention to safety precautions. This moment definitely needs to be thought through! Trouble-free operation and high-quality wood.

Not everyone can afford to purchase a ready-made sawmill. Therefore, there are craftsmen who are able to make a tire sawmill in their own. If you follow the instructions and find everything necessary elements, then it will take a little time to assemble this machine. Of course, difficulties may arise during the work, but this is not a big deal, since everyone has the right to make mistakes, especially since in any case everything can be redone.

The manufacture of a homemade tire sawmill is carried out in stages

- first you need to choose a place for the sawmill. The platform should be slightly inclined, which will help when cutting. You will not need to put much effort on the carriage.

A carriage is created, the electric motor and tire will be attached to it. It will move along guide pipes (see photo). Everything is extremely simple and effective, the carriage cleans itself from the guides a large number of sawdust If desired, you can build a carriage that moves using rollers, but the design will become more complicated;

It is best to choose an asynchronous motor, and no less than 3000 rpm at 2 kW.

It is also necessary to purchase a 40 cm long bar with a chain for longitudinal cutting. The sharpening angle is 10 degrees. The tire will be attached to the carriage using two bolts in the standard groove. The flail is tensioned by hand, while at the same time the bolts that secure the tire are tightened. The engine shaft must rotate at least 3000 rpm for the tire to withstand such a load. The number of teeth on the drive sprocket ranges from 6 to 9, with a diameter of 4 to 6 centimeters;

You need to weld a thrust bearing onto the stand, on which the log will rest. The log and the entire support are lifted manually, and the mechanism is fixed with bolts (as shown in the photo).

Advice! To attach the sprocket to the main engine shaft, you need to drill a small hole on the shaft, this must be done with the engine running, then make a thread and secure the drive sprocket with a bolt;

- as practice shows, a 2-kilowatt engine does its job quite well. It does not heat up, and the sawmill itself does not create unnecessary noise;

Due to the fact that the sawmill has a similar design to the sawmill, its bar groove is not always well lubricated. Also, the drive sprocket is left without the required amount of oil. Industrial chain sawmills are supplied required quantity lubricants through a special hole. The sprocket is also lubricated by oil, which enters through the hole. But it would be best to lubricate those areas that are subject to maximum friction, and this is: the groove of the tire and all the sprockets that are in the mechanism. It is best to serve the oil using drip system, in all rubbing areas.