How to set up an adjustable band saw blade

Sharpening and setting band saws

In order for the processing of various materials to be carried out correctly, it is necessary to look after and monitor the condition of the band saws. For this purpose, machines for sharpening and setting band saws are used. Timely care will ensure long-term use of instruments.

Saw band design

Band saws are a special continuous design characterized by the presence of cutting elements on one side. This is the cutting element with which woodwork is carried out. Most often, band saws are used in a variety of band saw blades. With their help, cutting of various parts is carried out. With the help of these blades, a sufficiently high cut quality is ensured. All this is provided only if the saw has a good set. Also, the tool must be serviced in a timely manner.

adjustable, band, blade

Band saws are made of heavy-duty metal, which ensures not only high quality of the cut, but also the durability of the saw. The teeth have a universal angle, which allows for the highest quality cutting of the material.

Setting the cutting elements of the band saw

Divorce is the bending of band saw blades in different directions. This significantly reduces the friction of the blade and prevents it from pinching. To ensure free movement of the blade against the walls of the material being cut, its width must be greater than the thickness of this material.

Band saw set types

Divorce can take several forms. It may have different names from different manufacturers. Most often it can be:

  • Standard, which is characterized by the opposite bending of the cutting elements in various directions. It is most commonly used for band saws that cut hard material.
  • Wavy, which belongs to the category of complex structures. Divorce in this case has a variable meaning. In this case, a kind of wave is formed.

Divorce consists in folding not the entire canvas, but only a certain part of its top. The parameters are determined strictly by the tool manufacturers. Their range is 0.3 to 0.7 millimeters.

Protecting. The divorce consists in bending two teeth. In this case, the third remains in place. Designed for band saws for extremely hard material. In shape, every third tooth resembles a trapezoid. The location is the center of the canvas. With its help, the most correct direction of the saw band is carried out.

Woodworking machines are characterized by a versatile sawing tool design. The spread for soft rock processing must be larger than for hard rock equipment. But the divorce should not be such that the wedge is located in the center without a cutout. The divorce must be characterized by the same arrangement of all cutting elements. It is necessary to spread the teeth in such a way that the deviation is no more than 0.1 millimeter. If the saws are unevenly positioned, this will lead to the fact that the band saw equipment will move to the side during operation.

Shapes of the cutting part and the angle of sharpening of the blades

The geometry of the cutting elements of band saws can be varied, which directly depends on the material that is intended for cutting. Woodworking machines are most often equipped with special saws, with which you can carry out:

  • carpentry work;
  • sawing logs and beams;
  • use on dividing saws.

The sharpening angle is determined strictly by the tool manufacturer. The rake angle will be as small as possible when using hardwood. Band saws for metal are equipped with saws with different blade shapes, which directly depends on the metal used for sawing. If it is necessary to cut thin-walled metals and at the same time have thin chips, the rake angle when sawing will be zero, then standard cutting is used. The sharpening angle can be varied. It directly depends on the structure of the device.

A tooth that has a positive rake angle is found in saws commonly used for cutting thick-walled metal. The step of the blade, with the help of which the sawing of thin metal is carried out, is rather small. In order to cut thick-walled metal, it is necessary to use devices that have a large number of blades. In some cases, the equipment has a variable pitch to eliminate the resonance effect. The change in the distance between the teeth directly depends on a certain group.

Sharpening recommendations

During the work of the canvas, its rupture is very often observed. This is due to the fact that it is poorly sharpened. This is due to the concentration of stress in the blade profile, if the sharpening is carried out at a low-quality level. The need for the procedure is determined by the condition of the band saws. If the surface roughness of the cut increases, then this leads to dullness of the tool.

Tool sharpening is carried out using diamond, electrocorundum, CBN discs. Their choice directly depends on the characteristics of the material being processed. The sharpening of the blade, the production material of which is tool steel, is carried out with corundum wheels. The procedure for bimetallic tools is carried out correctly if a diamond or CBN wheel is used. The instructions will tell you how to carry out this procedure. The most important thing is that the angle does not change in the process.

Wheels of various diameters can be used for sharpening. The choice of one of them is determined by the parameters of the device. For this purpose, profile, flat, dish-shaped, cup circles are most often used. Sharpening is correct if the peripheral speed is 20 to 25 meters per second.

The principle of sharpening tape blades

If there are chipping on the tool, chipping will be observed on the edge of the workpiece. That is why it is imperative that sharpening is carried out correctly. During this process, it is necessary to work not only with the front, but also with the back of the canvas. Sharpening of devices can be carried out in different circles. In this case, it is necessary to take into account the angle of the canvas. If you want to carry out the procedure correctly, then you need to learn it from a specialist.

In order for the band saw equipment to work efficiently, it is necessary not only to select it correctly, but also to sharpen it in a timely manner. For this purpose, special circles are most often used. This procedure is as simple as possible, which allows it to be easily performed by a master without appropriate experience.

Types of devices for setting band saws

Adjustable band saw machines are the optimal solution for proper setting of teeth. Due to the correct geometry of the machine, pressing on the teeth prevents them from breaking, even if they have increased hardness.

If you familiarize yourself with the types of machines and principles of operation, you can choose the best option from the extensive range of units on the market.

The procedure for divorcing and sharpening the saw

When choosing a band saw for organizing production activities by processing wood, a lot of attention is paid to what characteristics the saw has: size, cutting edge material, production technology, and so on. However, it is worth remembering that regardless of the type of cutting element, the spreading and sharpening must be carried out periodically.

To begin with, we note that a homemade adjustable band saw machine is extremely rare.

This is due to the points below:

  • The efficiency of the equipment depends on the correctness of sharpening and divorcing. If the work was not done correctly, then the sawing can take place with rapid wear of the teeth.
  • It is important to carry out the work with maximum precision. Modern models can sharpen and lay out with an accuracy of 0.1 millimeter. Such high precision makes cutting easier and smoother.
  • Depending on the workload of the production mowing line, the procedure has to be carried out with great frequency. Therefore, the adjustable band saw machine must work quickly, the whole process is automated as much as possible, which also excludes the possibility of admission of defects when performing work.

Recently, a double-sided adjustable saw is increasingly used for band saws from various manufacturers.

The principle of operation of adjustable machines

An adjustable band saw machine can be:

  • single-lever;
  • double wishbone;
  • carry out the wiring simultaneously for two teeth;
  • manual;
  • semiautomatic device;
  • automatic.

There are also devices with which you can control and spread the band saws. They are installed and fixed on the desktop.

The machine for setting band saws, no matter what type it belongs to, pursues one ultimate goal. to bend the saw teeth at a certain distance. To set this distance, an indicator is used, which is placed in the desired position at the beginning of work and is fixed.

Hand-held machines provide individual cultivation of each individual tooth using a pusher. The tooth is retracted by an amount greater than required, and when the pusher is returned, the tooth springs back a few values. Therefore, 2-3 clicks are performed, which contributes to a softer and breakage-free bending. In this case, for the correct setting, the teeth are gripped by 2/3 of the height.

In the automatic setting mode on the machine tools, the saw band is installed on the rods, which are adjusted depending on its length. Then the parameters are set: the number of teeth, the amount of divorce. The machine performs the feed and counting of the teeth itself, ensures the operation of the pusher and stops when processing a given number of teeth.

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It is possible to stop the device at any point and measure the divorce. The water meter shows the result of the work performed by the automatic machine. The divorce of each individual tooth is possible, as well as the accelerated mode, which allows the pushers to simultaneously act on two teeth in opposite directions. Clamping the saw in the machine with a center plate ensures precise cutting results.

The abundance of types, continuous improvement and automation of adjustable band saw machines allow them to perform work with a high degree of accuracy. This will ensure that products of excellent quality are obtained, which will be sold on the market at higher prices.

Adjustable band saw machine

A band saw is a fairly common cutting equipment that is used to process a variety of materials. Only with proper preparation and maintenance of such equipment can we expect that it will work correctly and for a long time. To do this, you may need an automatic adjustable band saw machine, which you can purchase or create with your own hands.

DIY adjustable machine

You can make a do-it-yourself adjustment device for band saws. If the load on your equipment is not too high and you can take the time to manually set the band saw, this will help you save money on the purchase of equipment.

The main elements of a homemade machine:

  • reliable metal plates (one movable), between which the saw blade is installed;
  • pressure pedal;
  • pusher. a bolt with a piece of drill (tool steel);
  • lever to feed the saw through two teeth.

The bolt adjusts the distance for the deflection of the teeth.

A homemade wrench will provide preparation of tools that are used in households where high-precision cuts of workpieces are not required. Self-made machines are also used with a low load of equipment.

Sharpening recommendations

Choosing the right type of grinding wheel is important. It must correspond to the grade of steel from which the band saw is made. For tool steel structures, corundum wheels are used. If it is required to improve the cutting properties of bimetallic models, CBN or diamond wheels should be used.

Depending on the technical possibilities, it is possible to perform a full-profile processing or each cutting part separately. In the first case, you will need an elbor circle, the end of which has the same shape as that of the saw. For the second option, each tooth is processed.

You will need a machine beforehand. It must have the function of regulating the speed of rotation of the disk and changing its position relative to the tool. After fixing the blade in a special bed, follow these steps according to the following instructions.

  • Emery goes down. At this time, the leading edge is machined with a cutting edge.
  • Formation of a slice in the hollow. This is done on the fly. This stage allows you to remove microcracks and irregularities. An important point is the reduction in surface tension, which is the main reason for the deformation of the web.
  • The circle moves up. The back of the tooth and its cutting edge are grinded.

All other teeth are renewed using the same technique. It is important that the values ​​of the angles of entry and exit are the same everywhere. Otherwise, with differences in geometry in one of the parts, performance will deteriorate.

After finishing the treatment, it is recommended to perform finishing. to treat the surface with fine-grained emery. During this process, the geometry of the canvas should not change.

With prolonged contact of the circle with the metal, the temperature on the surface of the latter can sharply increase. To eliminate this effect, use special coolants coming directly from the machine. Feeding is performed continuously to avoid the formation of a glow zone. In this part, the mechanical strength will be deteriorated.

To avoid chipping, check the presence of metal components before processing the wood. Also, special attention is paid to fixing and uniform feeding of the workpiece for sawing.

In the video, you can familiarize yourself with the recommendations for amateur sharpening:

How to dilate a band saw

A band saw on a band saw is a closed, flexible steel band with teeth on one edge. The adjustable band saw machine will help you set the teeth correctly for efficient saw operation and durability.

Tooth set is the distance that the tooth deviates from the plane of the saw blade. The more the band saws are set, the wider the cut and, as a result, the engine power must be greater.

The setting of the teeth is aimed at creating a gap for free movement of the saw in the cut. It consists in the selection of the balance:

  • creating a decrease in friction (overheating) of the saw when it moves in the cut and increasing the service life of the blade;
  • At the same time, the cut should not be excessively wide so that the effect on the engine power is minimal;
  • rationally selected distance will reduce waste (sawdust), which directly depends on the cutting width.

How To Adjust the Wheel & Blade Guides When Installing a New Blade on a Metal-Cutting Bandsaw

The size of the setting of the band saws depends on the size of the workpiece, the type of metal, and its strength characteristics. When cutting solid metal of large workpiece sizes, an alternation of narrow and wide set of teeth is used to avoid the effect of pinching the saw.

Thus, a correctly executed band saw is the key to successful, high-quality and efficient cutting of the workpiece, which means obtaining elements that meet high requirements.

Industrial equipment

On sale you can find a fairly large number of equipment that can be used to solve the task of bringing the saw geometry to the correct parameters. An example is the Silicon Setting machine imported adjustable band saw machine or Wood Mizer adjustable double-sided saw.

When choosing equipment, you should pay attention to the following points:

  • The country of manufacture. As a rule, equipment of imported origin is more expensive, but its quality is much higher. Among domestic representatives, one can single out the adjustable double-sided Taiga machine, which has a relatively low price and high quality workmanship.
  • Saw width. Each model of Astron or Taiga, from another manufacturer, has a range of possible cutting band widths, which are usually indicated in millimeters.
  • There are several types of the saw itself. When buying, you should pay attention to the fact that the selected equipment must be designed to work with band saws.
  • Adjustable Wood Mizer double-sided machine can work in manual or automatic mode.
  • Considering the Taiga adjustable machine or the RWM adjustable machine, you need to pay attention to the principles of work. The most common and popular is the design that is designed to breed 2 teeth at the same time.
  • In addition, when choosing a manual or automatic adjustable band saw machine, you should pay attention to the power of the installed engine. Not only productivity depends on this, but also the cost of electricity. Also, the manufacturer indicates the mass of the structure, which determines the presentation of installation requirements. The double-sided adjustable band saw machine can weigh about 200 kilograms.

Is it worth making a homemade adjustable band saw machine. a fairly common question.

Note that a homemade version will not have the required accuracy class, which means that the work on sharpening and setting the teeth will not be effective.

The procedure for divorcing and sharpening the saw

When choosing a band saw for organizing production activities by processing wood, a lot of attention is paid to what characteristics the saw has: size, cutting edge material, production technology, and so on. However, it is worth remembering that regardless of the type of cutting element, the spreading and sharpening must be carried out periodically.

To begin with, we note that a homemade adjustable band saw machine is extremely rare.

This is due to the points below:

  • The efficiency of the equipment depends on the correctness of sharpening and divorcing. If the work was not done correctly, then the sawing can take place with rapid wear of the teeth.
  • It is important to carry out the work with maximum precision. Modern models can sharpen and lay out with an accuracy of 0.1 millimeter. Such high precision makes cutting easier and smoother.
  • Depending on the workload of the production mowing line, the procedure has to be carried out with great frequency. Therefore, the adjustable band saw machine must work quickly, the whole process is automated as much as possible, which also excludes the possibility of admission of defects when performing work.

Recently, a double-sided adjustable saw is increasingly used for band saws from various manufacturers.

Adjustable band saw machine

A band saw is a fairly common cutting equipment that is used to process a variety of materials. Only with proper preparation and maintenance of such equipment can we expect that it will work correctly and for a long time. To do this, you may need an automatic adjustable band saw machine, which you can purchase or create with your own hands.

Customization features

Adjustment of the adjustable band saw machine is carried out depending on the features of its design. If we consider several models of the equipment under consideration, then we can pay attention to the fact that it is structurally significantly different. Some are compact, others have large control units.

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Considering how to set up an adjustable band saw machine, we note that it is quite important to take into account the width of the saw and the pitch of the tooth, its height. It is these parameters that are taken into account when setting up the equipment in question.

How to dilate a band saw

A band saw on a band saw is a closed, flexible steel band with teeth on one edge. The adjustable band saw machine will help you set the teeth correctly for efficient saw operation and durability.

The setting of the teeth is aimed at creating a gap for free movement of the saw in the cut. It consists in choosing a balance:

  • creating a decrease in friction (overheating) of the saw when it moves in the cut and increasing the service life of the blade;
  • At the same time, the cut should not be excessively wide so that the effect on the engine power is minimal;
  • rationally selected distance will reduce waste (sawdust), which directly depends on the cutting width.

The size of the setting of the band saws depends on the size of the workpiece, the type of metal, and its strength characteristics. When cutting solid metal of large workpiece sizes, an alternation of narrow and wide set of teeth is used to avoid the effect of pinching the saw.

Thus, a correctly executed band saw is the key to successful, high-quality and efficient cutting of the workpiece, which means obtaining elements that meet high requirements.

How to Adjust the Tension Rod on a G0555 Series Bandsaw

The principle of operation of adjustable machines

An adjustable band saw machine can be:

  • single-lever;
  • double wishbone;
  • carry out the wiring simultaneously for two teeth;
  • manual;
  • semiautomatic device;
  • automatic.

There are also devices with which you can control and spread the band saws. They are installed and fixed on the desktop.

The machine for setting band saws, no matter what type it belongs to, pursues one ultimate goal. to bend the saw teeth at a certain distance. To set this distance, an indicator is used, which is placed in the desired position at the beginning of work and is fixed.

Hand-held machines provide individual cultivation of each individual tooth using a pusher. The tooth is retracted by an amount greater than required, and when the pusher is returned, the tooth springs back a few values. Therefore, 2-3 clicks are performed, which contributes to a softer and breakage-free bending. In this case, for the correct setting, the teeth are gripped by 2/3 of the height.

In the automatic setting mode on the machine tools, the saw band is installed on the rods, which are adjusted depending on its length. Then the parameters are set: the number of teeth, the amount of divorce. The machine performs the feed and counting of the teeth itself, ensures the operation of the pusher and stops when processing a given number of teeth.

It is possible to stop the device at any point and measure the divorce. The water meter shows the result of the work performed by the automatic machine. The divorce of each individual tooth is possible, as well as the accelerated mode, which allows the pushers to simultaneously act on two teeth in opposite directions. Clamping the saw in the machine with a center plate ensures precise cutting results.

The abundance of types, continuous improvement and automation of adjustable band saw machines allow them to perform work with a high degree of accuracy. This will ensure that products of excellent quality are obtained, which will be sold on the market at higher prices.

Industrial equipment

On sale you can find a fairly large number of equipment that can be used to solve the task of bringing the saw geometry to the correct parameters. An example is the Silicon Setting machine imported adjustable band saw machine or Wood Mizer adjustable double-sided saw.

When choosing equipment, you should pay attention to the following points:

The country of manufacture. As a rule, equipment of imported origin is more expensive, but its quality is much higher. Among domestic representatives, one can single out the adjustable double-sided Taiga machine, which has a relatively low price and high quality workmanship.
Saw width. Each model of Astron or Taiga, from another manufacturer, has a range of possible cutting band widths, which are usually indicated in millimeters.
There are several types of the saw itself.

When buying, you should pay attention to the fact that the selected equipment must be designed to work with band saws.
Adjustable Wood Mizer double-sided machine can work in manual or automatic mode.
Considering the Taiga adjustable machine or the RWM adjustable machine, you need to pay attention to the principles of work. The most common and popular is the design that is designed to breed 2 teeth at the same time.
In addition, when choosing a manual or automatic adjustable band saw machine, you should pay attention to the power of the installed engine.

Not only productivity depends on this, but also the cost of electricity. Also, the manufacturer indicates the mass of the structure, which determines the presentation of installation requirements. The double-sided adjustable band saw machine can weigh about 200 kilograms.

Is it worth making a homemade adjustable band saw machine. a fairly common question.

Note that a homemade version will not have the required accuracy class, which means that the work on sharpening and setting the teeth will not be effective.

Instructions for working on a band saw in the event of an accident

  • If you notice or feel smoke, fire, you should immediately stop working. Disconnect the machine from the power supply. Then:. call the fire department;. inform the authorities about the fire;. evacuate.
  • If you get any injury, you should stop working on the machine, disconnect it from the power supply. Then:. provide yourself (if you are able) first aid;. inform the management;. call an ambulance.
  • If there is a sensation of electric current on the machine (vibration, humming, heating), stop working immediately. Report the breakdown to the authorities, and wait for further action on his part. It is forbidden to start work without permission.
  • If the closest worker comes into contact with the current (defeat), then you need to help him, turn off the machine. If it is impossible to quickly disconnect the equipment from the power supply, you should, strictly in dielectric gloves, try to free the person. Carefully, while you yourself do not get under the electric voltage. After the person has been released, it is worth immediately calling an ambulance and providing first aid to the victim himself.

Semi-automatic

As for the semi-automatic models, they work on a completely different principle. Lowering and raising the saw frame is due to a special device. In turn, the operator only needs to place the workpiece in the clamping mechanism. As for the cutting features, they look something like this:

  • Automatic fixation is ensured after starting the device
  • Cutting at a given speed is provided by a hydraulic cylinder;
  • The lifting of the saw frame and the release of the workpiece is carried out automatically;

Installation of the band sawmill.

Before installing the band sawmill, it is necessary to prepare the site. The site must be selected on a solid and horizontal place with differences of no more than 3 cm. It is best to install the sawmill on a concrete pad with a thickness of at least 10cm and, after installation, fix the sawmill frame with anchor bolts with a diameter of 24mm or more. Before installing the band sawmill, it is necessary to prepare the site. The site must be chosen on a solid and horizontal place with differences of no more than 3 cm. It is best to install the sawmill on a concrete pad with a thickness of at least 10cm and, after installation, fix the sawmill frame with anchor bolts with a diameter of 24mm or more. For setting the frame of the band sawmill horizontally, adjusting bolts are used, which are located in the corners of the halves of the frame. The rest of the bolts with which the bed rests on the surface of the platform are supporting. The support bolts are unscrewed at the end of the installation and checking the level. If the surface of the platform is soft, metal plates with a thickness of at least 10 mm must be placed under the adjusting bolts. The first step in installing a band sawmill is quite simple. The sawmill frame consists of two halves, which must be bolted together. When joining and pulling the halves, the guide rails must match and there must be no gaps between them! Then mark the locations for drilling for the anchor bolts. Slide the sawmill frame, drill the holes and replace the frame in place, aligning the mounting holes on the frame with the holes in the concrete. Place metal plates under the adjusting bolts if required. You can proceed to the next stage of the band sawmill installation: setting the frame horizontally. When installing the frame of the band sawmill horizontally, it is best to use the hydraulic level. The hydraulic level is a flexible transparent hose with a length of a couple of meters longer than the length of the bed and with a diameter of 15 mm or more. If you could not find a transparent hose, then insert the ends of the hose with transparent sleeves with divisions, you can use medical syringes of a suitable diameter. There should be no air bubbles in the hose with water, otherwise it will be difficult to align, almost impossible. When moving with the hydraulic level, pinch / plug the ends of the hose with your fingers so as not to spill water, but at the time of measurement, the ends should be open. First, using the hydraulic level, we determine which of the ends of the frame of the band sawmill is higher, then which of the edges of the end is higher. With respect to this, the highest corner of the bed will be aligned. Alignment should be done only along the top edge of the guide. For convenience, across the bed, at the junction, you can put a flat bar or a building level, along the lower edge of which we set the level. So, the most crucial stage of the band sawmill installation has been passed. Check the rail joints. By unscrewing, lower the support bolts to the surface of the platform, using metal plates if necessary. It is better to unscrew the support bolts by hand to the stop, unscrewing it with a wrench, there is a danger of raising the bed in the place of the support bolt and breaking the horizontal level. When leveling, make sure that the hydraulic level hose does not overlap the bed. For example, if you lay the hose around the perimeter when checking the angles diagonally, the hose may not be long enough. In this case, run the hose under the sawmill frame, when leveling, the hose should not lie on the frame. We install the stops and clamps of the log in their places. Before installing the saw carriage, the guides must be cleaned of preservation. The guides are lubricated with lithol before painting, and it will not be difficult to remove the paint. If this is not done, then the paint film applied over the lithol will collapse under the pressure of the carriage, stick to the carriage rollers and interfere with the movement of the carriage along the guides. We install the saw carriage, use the rollers on the guides and check the smoothness of the movement along the guides.

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Description

The band saw blade is equipped with teeth of a certain profile and shape. The performance, cleanliness of cut, and stability of the cut depend on the configuration of the notch. Accuracy of setting and the same shape of all teeth is a very important indicator of the blade for ensuring the quality of the saw. If at least one tooth differs from the rest, the blade may start to drift to the side, which will cause overheating, the appearance of a wavy cut, and the saw failure.

The sharpening machine is designed for processing teeth, giving them a given shape and divorce. After processing, all teeth get exactly the same profile and set. This ensures the accuracy of the cut, allows you to achieve high performance from the saw, increases the service life of the blade to the calculated value.

The sharpening machine works in automatic mode. The user is only required to correctly install the canvas and select the desired processing mode. After that, it remains only to observe the work and stop processing in time (after passing a full circle).

Manual

In these models, the saw frame is a console. Its lowering is carried out either by the weight of the structure itself, or by the efforts of the operator. In the first case, we are talking about gravitational frames. A special hydraulic cylinder with a bypass valve is used to regulate the feed rate, lifting and fixing at the starting point. It is commonly called hydraulic unloading. The operator marks and holds the workpiece. It also sets the lowering speed of the saw structure.

Hand-held machines have found their use in small industries. Of the key advantages of such devices:

  • affordable cost and ease of use and further maintenance;
  • the ability to accurately cut at any angle;

Of the disadvantages of manual designs, it should be noted:

  • The appearance of vibrations during the processing of structures, which negatively affects the service life of the equipment;
  • Lack of visual control over the degree of web tension. Also, such models do not provide for the presence of mechanisms for cleaning;
  • The need to regularly check and adjust the pulleys that drive the cutting element;
  • The inability to control and regulate the movement, which turns out to be the cutting blade for the part. The hydraulic cylinder in such a mechanism has a small range of variation in the lowering speed;

Hand-held machines are really irreplaceable in small enterprises, where sometimes it is necessary to cut workpieces made of tool or stainless steels and non-ferrous metals with different cross-sectional profiles.

Adjustable machine RS 30/60 for band saws

Specifications:

Time to set a 4m saw

Saw width. 30-60 mm

Saw length. up to 10 m

Overall dimensions (without beams). 400х200х400 mm

are in Russian rubles.

The main advantages of the machine:

At the time of divorce, the saw is pressed against the fixed plate by a thrust plate (like a press), which is guaranteed to fix its body, not allowing it to bend, and as a result, get an accurate divorce of each tooth. You can press the lever several times to check and you will always see the same value on the indicator.

The clamping of the set tooth is carried out exactly in the right place, and the pusher bends it along the broken mowing line, and not along the arc.

Convenient adjustment of the machine for setting band saws to the height of the saw body allows you to accurately and quickly set the desired height of the set part of the tooth.

The convenient pusher of the three-tooth adjustable machine with stops allows one movement, in a semi-automatic mode, to quickly move the saw and place each tooth in exactly the same place, significantly accelerating the divorce process while maintaining the required accuracy.

The exact setting of each tooth is always guaranteed. Easy to cut, no wave on wood.

Features of the design of our adjustable machine:

Rotating saw backrests prevent risk.

To avoid skewing when setting the height of the indicator platform (the height of the part of the tooth to be spread), the platform is moved with just one screw.

To ensure the bending of the part of the tooth to be set along the broken mowing line, and not along the radius, as on conventional adjustable machines, the working area of ​​the fixed base plate has a replaceable hardened insert.

In order to avoid the formation of a working (pit) and invariability of the indicator readings, a hardened indicator tip is installed at any point of contact, which has a polished (with a thickness difference over the entire surface of 0.01 mm), and not a chiseled (with a 0.1 mm difference) end.

To prevent the saw teeth from cutting the indicator tip during movement, 2 bump balls are installed in the fixed base plate.

To ensure a constant pushing point, the pusher is made in the form of a truncated cone with a rotating bearing ball at the end.

The pusher does not move straight, but along a radius. This significantly reduces breaking stresses, which allows even highly hardened teeth to be set without breaking off the tips. But at the same time, one must always remember that divorce must be carried out not with one strong, but with 2-3 weak movements.

To prevent teeth from breaking (especially hardened ones) during a divorce with too much effort, a force limiter is provided in the machine.

The setting of the saw teeth, despite the apparent simplicity, turns out to be the most difficult process, because after the end of the divorce, its accuracy cannot be checked by the appearance of the saw, and the quality of the surface of the lumber mainly depends on how accurately it is made.

In conventional adjustable lathes, the swing effect is almost always present, when, when the pusher presses on the tooth, instead of bending the tooth, the saw body begins to bend and, accordingly, even with the same indicator readings, the true tooth divorce remains unknown. When pressed again, the difference usually reaches 10 or more units. Therefore, even a freshly cut saw can immediately start to excite.

For clarity, you can take a new hacksaw on a tree and saw off from the edge a part of the sawlog trunk with a diameter of 10-20 cm.Then take the pliers and at least 5-10 saw teeth slightly bend in different directions. Saw off a part of the trunk again and, as they say, feel the difference!