How to choose a bandsaw. Band sawing machines for wood

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2020-05-17 02:20:17

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The Principle of operation of band saw machines have been developed in the nineteenth century and today continues to be relevant. Of course, the modern models of such aggregates in structural terms have little in common with the first versions, but the basic technological features remain the same. These include a saw, having the form of a ring, with which you can perform straight and curved cuts. Used band saw machine in different areas, but the main ones are woodworking factories and furniture companies. The device with the same quality performs roughing and produces high-precision cuts in carpentry.

Machine Design

bandsaw

Much of the wood processing depends on the settings of the machine, so its design should be considered most carefully, as the individual components. The unit includes a C-shaped frame, the upper and lower pulleys, guide elements, the saw and the working platform, the motor, the protecting flap. Also for instant stop cutting uses special brakes, and tape delay in case of rupture provides the locking device. The user had the ability to adjust cutting width, used steering line.

When you choose should take into account the location of the idle part of the band saw relative to the direction of workpiece – it can be either left - or right-hand. Different band saw machines for wood in structural performance of the frame. There are welded and cast foundations. However, this criterion is more significant in relation to models designed for handling metals.

Horizontal or Vertical?

band saw semi-automatic lathe

This classification comes from the type of location the band saw – so it is vertical and horizontal. Meet and modification with the oblique position of the saws, but these are rare instances for specific or complex operations. In large models with a vertical saw blade movement is allowed only for the console with the work item. Small vertical band sawing machine has a different working principle – it is only the saw frame, and the workpiece can move. Such models can be used for different types of work – and for a piece of manufacturing wood constructions, and furniture manufacturing.

Representatives of Horizontal band saw units are considered the most powerful. Some representatives of this category are able to saw frozen wood and hard wood. It is noteworthy that the horizontal band saw machine in Soviet times, was intended exclusively for the processing of wood, although its structural features more appropriate for metal.

Automatic machine

band sawing machines for wood

Was Once a popular manual version of band saw machines, but modern drives they replaced, so the question is only in choosing the degree of automation. Automatic band sawing machines for wood are more often used by companies which mass-produce wood products. In such arrangements the supply is carried out automatically – with the help of motor and the feeder. If the sawn-off element by the length will exceed the parameters of progress, the transfer is performed in two approaches with an interception. The choice of full automation, as a rule, justified if you plan to bulk processing of small workpieces length.

Semi-automatic model

The Version with semi-automatic control is often used in the procurement of the timber industry. Among the advantages that a band saw semi-automatic machine, there is a possibility of manipulation of the saw frame and vise in the same auto mode. In the process, the workpiece is double the pressure (frame and cylinder) that allows to saw solid wood, without third-party efforts.

Features saws

jet band saw machine

The Main element of the machine, which depend on almost all quality parameters of the finished product. The machine is in a greater impact on functionality and usability. The width of the blade of the band saw may be from 2.5 to 5 cm, and the thickness varies from 0.9 to 1.1 mm. In some versions band saw machine is designed to combine with other characteristicssaw, but for normal operations it is better to stay on one of the listed sizes. As to the material it is recommended to choose a model made of carbon steel, which, however, are considered to be the most common. In addition, the choice of a bandsaw it is important to consider the type of manufacture, which in the end will determine the firmness. In particular, there are canvases with a uniform hardening, flexible and tempered back.

Feed Speed and sawing

Not always, this parameter becomes crucial, but if the machine is selected for a production task, it is worth paying attention to. The rate at which it is cut, determines the efficiency of use of aggregates in the case, if it is not koordiniruyutsya with the rate filing and interdental spaces of the saw. Typically, band saw machine allows the speed of 700-900 meters per minute, which corresponds to the majority of the paintings with typical interdental distance. Change feed rate typically aims to increase the efficiency of sawing.

Rules of operation

band saw machine vertical

When performing cutting operations should always remember about safety, but do not forget that the main purpose – a smooth and accurate cut. First, you need to fix the wood workpiece to minimize vibration of the working fabric. This will affect not only usability, but also increase the productivity of the whole process.

Rectilinear cutting is done along the guide lines, or by means of movable stops, and if you curved sawmilling – in accordance with printed markings or with the help of special mechanisms to capture and feed. In automatic mode straight cutting band saw is easy with a removable feeding device. This feeder resembles a bracket with complementary rollers. Manipulating this device you can easily manage the process, but if you plan to create curly cutting, the mechanism of interest is removed. It is obvious that mass production in this way of working is impossible or requires other auxiliary machinery.

Manufacturers

cutting band saws

The Market for band saw machines has one feature, which is pronounced segmentation by producers, each of which occupies its own sector. In other words, a serious competition between the similar characteristics of the models there. For example, the initial level proposed by the Russian company "bison", which produces quite a good machine with basic features and cost 20-30 thousand RUB oddly enough, the Japanese brand Makita is in this class and as a whole are quite modest – basically the budget version of the average performance.

For Those who are planning to get a really effective and versatile device, immediately should refer to the product Metabo. The assortment of this brand contain instances of power up to 1 900 W maximum depth of cut at 28 cm To the leaders of the same segment can rightly be attributed to the Jet band saw machine, suitable for small carpentry and for factories of large scale. The most powerful machines capable of up to 5 500 W, and the depth of cut reaches 45,5 cm

Conclusion

horizontal bandsaw

The Equipment to perform complex operations on processing of wood is not cheap, but allows you to do the job safely and efficiently. Band sawing machines are the best solution, as it combines several important parameters: reliability, mobility, ease of operation and the possibility of replacing the responsible mechanisms.

It is Impossible to foresee in advance how effective a particular band saw machine in certain conditions. However, a detailed analysis of the features, including depth of cut, speed, options for control configuration of the feeding elements will allow to get as close to the correct solution. Rest depends on quality of the equipment. It requires regular cleaning, inspection of all fasteners and clamps, as well as preventive treatment of external functional elements.


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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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