Jig saw is a device on which the transversal, longitudinal and angular cutting of blanks is carried out, and figured sawing of decorative elements is performed. Used in carpentry and woodworking.
Some models can be equipped with an air pump, which blows the sawing site, so that you can maintain constant control over the performance of operations and marking.
The principle of the jig saws is the following: the workpiece is attached to the working table, then the cutter performs reciprocating movements. There are some models on which the table can bend, fall or rise for various parts of the saw blade.
The jigsaw machine easily cuts thick wood, with the excellent quality of the treated surface. Such a device allows both hands to remain free to control the feed of the workpiece. Due to this, it is possible to perform the work accurately and, if necessary, cut rather steep bends. The jig saw also gained its popularity due to safety in operation.
As a rule, even relatively small jig saws can cut 50 mm of wood, and more powerful models can cope with a thickness twice as large.
Fret saw table
Regardless of what material the desktop is made of (pressed or cast metal), it must, first of all, be flat, rigid and flat. Virtually all jigsaws the table can tilt to perform oblique cuts, and in some models to rise and fall in such a way that it is possible to use different parts of its blade as the saw is worn.
A small asynchronous 100-watt electric motor of the jigsaw machine can develop a speed of about 1600 moves per minute. There are models, some can set different speeds.
Length of the saw blade
Despite the fact that the table jig saw is able to cut sufficiently thick workpieces, the course of the blade (vertical movement) is rather short. As a result, if you cut out a lot of thin materials, then only a small part located above the table will become dull at the file. For more rational use of the length of the canvas, the table can periodically put plywood or chipboard.
On a jigsaw machine, as a rule, a very simple fencing consisting usually of 1-2 bars of wire or a plastic transparent screen. It is intended to prevent contact of fingers with a file. When sawing thick wood, a jigsaw without fencing is often used. Some models are offered fencing only as additional equipment.
Sometimes machines are equipped with a clamping device. It is used to prevent vibration of sheet thin material, so that the workpiece can not be lifted from the table by movement of the web. Automatically spring-loaded bar when it feeds up the workpiece.
Removal of sawdust
One of the indicators of the quality of table jigsaw machines is the presence of a sawdust cleaning tube, which is installed behind the blade. Under pressure, air is supplied through it, blowing down sawdust lying on the marking.
The jigsaw machine "Zubr"
This model is a great solution for creativity. The equipment is intended for sawing of workpieces of wood and plastic under oblique and right angles, angle and radius. Used typically for smaller operations. Desktop can be tilted at an angle 0-45 degrees, whereby it is possible to perform sawing at an angle. For a more accurate performance in a set of jigsaws machine included side focus with a protractor.
This high-performance model is designed for sawing contours along a different trajectory, both internal and external, including curvilinear, in wood of any hardness. Cutting vertical blade performs high-speed cutting. The speed of the blade can be adjusted within 400-1600 rpm.
The power of the machine is 90W. The model is equipped with a fairly comfortable working table 410x254 mm with the possibility of adjusting the angle of inclination by 0-45 degrees to perform more complex sawing.