Riveting pneumatic: characteristics and photos

A pneumatic riveter is a device whose main purpose is to join parts (if another method is not possible). Rivets provide high-quality fastening, which has high resistance to vibration loads and ruptures.

Tool types

Professional pneumatic riveter for extracting fasteners belongs to the category of expensive and powerful tools. There are several types of equipment that are divided according to the principle of operation:

• Accumulator devices allow not to depend on power supply, since they work from an independent source of current.
• Pneumohydraulic have an action mechanism based on the translational motion of the threaded rod moving due to the working piston.
• Pneumatic tools work on the energy of compressed air. Among the shortcomings is worth noting a narrow area of use due to the presence of mandatory additions in the form of a compressor. The modern pneumatic rivet is most often represented by industrial equipment, and operation in different conditions is possible, thanks to compact dimensions, slightly exceeding the dimensions of mechanical models.
• Manual in the process of pressure on the fasteners exert effort on the basis of the lever principle. The device externally resembles the conventional pliers. There are two-handed and one-handed variants, in which rivets of different sizes are used.

Riveting pneumatic: the principle of action

The connection is made by pressing the rivet into the installed hole by deforming its rim. In this case, the surface of the internal thread must remain intact. With the help of the device it is possible to fix plastic sheets and metal elements with materials having a different base. Of particular importance is the washer, which ensures a uniform distribution of the force applied during operation.

Varieties of fasteners

Threaded rivets are classified according to the material of manufacture and can be steel, copper or aluminum. In addition, there are differences in diameter and length. The tool for work should be selected in accordance with these parameters. For example, steel fasteners are not suitable for mechanical equipment, as it provides a quality connection only with the help of aluminum and copper elements.

What does the reliability of the connection depend on?

Rivets with thread, in addition to the standard function, differ in the ability to use bolted fasteners for fastened materials, which can not be proud of the familiar analogs. They are also used on painted walls and other visible elements of structures.

The quality of the connection is primarily ensured by the diametrical size of the fasteners. With its increase reliability of fastening and resistance to loads increases. At the same time, this can create some inconvenience, due to the complexity of working with large items and the need to use professional tools. A pneumatic riveter for threaded elements ensures the connection of materials with a thickness of 0.2-5 mm using a variety of fasteners that can have concealed, standard or decorative heads.

Algorithm of actions

Working with this tool has its own peculiarities. First of all, you need to pick up rivets of the appropriate size. The universal category includes elements with a section not exceeding 4 mm. Mounting with a larger diameter requires the use of a pneumatic or pneumatic mechanism.

In accordance with the size of the rivet, holes are made in the material. Countersinking of the surface is used when working with hidden elements to ensure their full concealment. A suitable threaded rod is fitted to the fixture, then the fixture is fastened. It is necessary to tightly fix the nozzle to prevent unauthorized unscrewing in the process.

A rivet is completely inserted into the hole, the material plane and the upper part of the element must have a tight connection. The riveter pneumatic for the rivet rivets is perpendicular to the material sheets, then it is necessary to strongly press on its handles. At this time, the tool begins to move in the tool and exerts a mechanical action that ensures deformation of the fastener head.

After the installation of the element is completed, the stem is unscrewed and the rivet position is checked: there must be no damage to the thread, as well as empty spaces and misalignments.

How to remove fasteners

In some cases, there is a need to remove unnecessary or incorrectly positioned elements. It is possible to use two techniques: edge grinding and drilling. In the first case, a drill is used, then the part is knocked out of the mounting hole. For drilling, a drill with a size larger than the internal thread parameters is used. Subsequently, the element is divided into two parts: a thrust piece and an edge.

It is worth paying attention to the competent selection of rivets, in particular, its length. It must be calculated in accordance with the parameters of the fasteners and the thickness of the material used. For example, if there is a 2 mm thick material and a 4 mm joint element, the rivet must have a length of 6 mm. In this case, there will be enough room in the nest to fasten the bolt, which will ensure a good fixation.

Features

The pneumatic rivet Kraftool is a powerful and convenient device, but despite this, it does not have a wide distribution. Equipment of this type can not be found in every store, and fasteners are even harder to pick. Recently there has been an increase in the demand for the tool, and all thanks to the possibility of convenient installation of electricity meters on thin-walled structures and qualitative fastening of numbers on cars. The fastening turns out to be strong enough and can compete with welding due to small probability of simultaneous riveting of rivets.

During operation certain parameters must be taken into account:

• The dimensions of the elements used. All fasteners have different length and thickness, respectively, a large number of special heads in the tool allows it to be classified as universal.
• The properties of the working stroke indicate the maximum possible power in the process of joining the elements.
• With an increase in retraction force, it is possible to work with larger rivets. The described devices (as, for example, the riveter pneumatic Scorpio), usually have an operating pressure within 8 Atm.

What you need to know

Earlier, when there was no such tool as a pneumatic riveter, one of the following fastening methods was used as one of the fastening methods: a twig inserted into the hole together with two rivet elements, was expanded until the hoods of the non-assembled parts were obtained. When using special bolts, the element was pressed into the hole, and the edge was expanded by mounting on the anvil.

This technique was widely used, especially when building tower structures and bridges. But at the same time, difficulties arose in the form of complexity of access to both sides of the product and the total laboriousness of the work.

Riveter pneumatic Scorpio YU RV101K has many advantages in use, among which it is worth noting the following:

• Fasteners have a lower cost compared to screw elements.
• Rivets are rastygivayutsya at a load on the break, which prevents their destruction.
• Mounting fasteners is quick and does not require special skills.