Competently sharpened tape saw for metal and wood is the key to the productivity of the work and the duration of the service life of the instrumental snap. As a rule, such services provide special organizations, but if you know the sequence of actions and the peculiarities of the process, it is possible to endure a stupid saw.
Application of tape towels
The key component component of each ribbon machine is a ribbon saw (canvas). RibbonsOther machines are extensively used when working with wood, metal, rubber, plastic and various flexible materials.
There are three varieties of these products.
- Manual tape devices – These cars can be called household, they are most often exploited at home.
- Desktop modifications – These aggregates are more often acquired for small industrial facilities, companies involved in woodworking, workshops.
- Stationary aggregates – Such installations are related to the category of professional, they are exploited in large industries, factories, plants, large workshops, and so on.
Typology of beans
The basis of separation of saws of this species is the material of manufacturing and elements subjected to processing. In accordance with such aspects, you can separate the following types of cloths.
- Saws for wood. The key material for their manufacture is carbonaceous and alloyed steel grades, their hardness reaches 40-45 HRC. All teeth are mandatory subjected to hardening by high-frequency currents. It is necessary to notice that such a material of the canvas can be used to cut thin non-ferrous metals or carbon steels.
- Metal canvas. Made such tools from high-speed either spring (cobalt and tungsten are added to the structure). These saws already carry strength up to 69 HRC. To get high hardness and ample opportunities, the teeth can welcome stellitis or other types of durable alloys.
For servicing, the teeth are not enough, it is necessary to dilute them. Two of these procedures are committed in the order of continuity: start with the divorce of teeth, and they are completed with the drainage. It is necessary to strictly observe such chronology of work. Dilution is carried out in order to reduce the friction of the saw in the process of cutting one or another material (wood, metal, plastics and the other). There are several methods of breeding, which depend on which elements need to be subsequently obtaining the processing and strength of the starting workpiece.
Features of breeding tapes
As the toolkit uses a decrease in the properties of its cutting edge. Therefore, breeding and competent sharpening of tape cloths is the technical part of the working cycle.
Keep in mind: the layout is obliged to be sharpened, and not after it!
Breeding is a process for bending the teeth to the sides to prevent clamping tool tool in the material being processed and reduced friction force. There are 3 typical methods of dilution:
- Classic – teeth are discharged into the right and left side strictly in turn;
- cleaner – every third tooth remains in the initial position. Especially significant for devices intended for cutting, as a rule, strong alloys and materials;
- Wavy – all tooth has its own value of the filling value, therefore, the wave is formed of them. This is the most difficult type of breeding.
It should be borne in mind that there is not a whole tooth in the wiring, but only its share is 1/3 or 2/3 of the part of the hot top.
Recommended by manufacturers, the parameters of the wiring value are stacked in the interval of 0.3-0.7 millimeters. Procedure is performed through specialized adjustable inventory.
How to correctly sharpen the canvas?
According to statistics, more than 80% of cases of device breaks occurs because of the failure of the treatment of cavities. The need for sharpening is detected visually – by the appearance of the teeth themselves or the state of the place of propil (increase the uneven plane).
Stones for dragging ribbon canvas are selected based on the rigidity of the teeth. To drain products from carbon and doped steel, use corundum stones. Bimetal cans are required by bureazon (elboronic) or diamond discs. Configuration of the sharpening disk for the canvas must be determined by taking the instrument characteristics. It happens a plate, flat, cup, profile.
Before the start of the work, it is advisable to give the canvas to hang in the outdated position 10-12 h.
Conditions for sharpening cavalo with your own hands:
- ensuring a systematic removal of metal in the form of a tooth cross section;
- preventing an excessive pressure of the disk (this is in the forces to cause annealing);
- ensuring the integrity of the height and form of the cross section of the tooth;
- indispensable presence of fluid for cooling;
- Control the absence of scaling.
Typical instruction for dramatizing the canvas says that the drainage must be carried out or on the front surface of the tooth, or both on the frontal and inverse. But this is theoretically. In fact, most of the specialists, and the craftsmen from the people perform it only on the rear plane – so, they believe, more comfortable.
By and large, not paying attention to the abundance of rules and conditions, these devices are rather undemanding in the problem of sharpening. With them can be engaged in both a specialized sharpening for tapes, and manually. In addition, it can be used for processing various configurations and substances circles.
Before you sharpen the ribbon canvas, it is advisable to familiarize yourself with the key methods for performing this procedure.
Method 1: full-belly sharpening
This method is considered particularly high quality, performed on automatic equipment. Elborovy (boron) disk, exactly chosen by configuration, the only passage is treated with the entire interdental depression with the corresponding planes of adjacent teeth. Obtaining an uneven configuration at the basics of teeth, it is excluded. One flaw like this sharpening is to constantly have a specific number of areas for cloths of various purposes.
Method 2: Sharp the edges of the teeth
Can be executed on specialized equipment or manual.
If special equipment is selected, then it is necessary to choose a circle with knowledge – as a rule, these are flat-form samples. By and large, professional sharpening equipment is desirable to contact exclusively in those situations where the scale of work is quite large. Irregular “household” works are preferable to carry out their hands – by engraver or on an ordinary machine. While working with the purpose of its own security, it is necessary to use a mask or safety glasses.
If in your farm, neither the machine, nor the engraver, then you can put the canvas and ordinary way – working a file. Total 3-4 decisive movements on the reverse or front face of each of the teeth will solve the problem. With constant and hard work, the skill of good independent manual sharpening will be formed very quickly.
Winter drainage in winter
If with the drainage of cloths under normal conditions everything is clear, then I need to say about sharpening in the cold season. There is a difference in dragging tape cloths in the summer day and winter cold. It consists in changing the degree sharpening. The angle that acts for cloths in the winter should be 90 degrees, unlike the summer, when the coaching angle is 120 degrees.
Recommendations from specialists.
- When he sharpening the web using the machine before the process starts, it is necessary to make sure the accuracy of the setting circle with respect to the tool.
- It is imperative to remove from the recesses such a volume of metal so that all microcracks are reliably eliminated.
- If the canvas functioned without normal accompaniment for a longer time than the manufacturer, the volume of metal, retractable in one pass, must be increased.
- To approbate the effects of drainage, invariably use the sample new web.
- The configuration of the tooth of the canvas – spent and deposited by the years. Therefore, it is necessary to believe that the device will cut a “without a bitch, without a zadyrinka,” no matter what you do with teeth – a huge error.
- When implementing operational standards, the tape canvas will work in good faith until the width will not be reduced to a value equal to 65% of the initial parameters. The width is reduced, of course, during the drainage.
- There is an absolutely wrong council that there is no particular need to remove loan after sharpening. If you take note, then the occurrence of microcracks in a saw is provided.
- At the end of operation, the tape canvas is necessary, without delaying in a long box, clean from chips and resin, and before the drainage – carefully inspect. Otherwise the danger of pollution of the sharpened disks is very high. And this will certainly lead to a substantial sharpening process.
Possible errors when sharpening
Error 1. Mortar deepents of the teeth of the canvas. The root cause of such a phenomenon is hidden in excessive forces of grinding stone. The expected result is the rapid blown of the web.
Error 2. Invalid degree of inclination and imperfection of the configuration of decks of teeth.
A similar result can lead several circumstances:
- demolition of the copier of the sharpening device;
- Error adjusting the degree inclination of the machine head;
- Sharpening Stone Study.
Now you have information how to point the canvas correctly, as well as which tools and equipment can need for this.
About the features of the sharpening of the tape saws you will learn from the video below.