Crimping pliers for wires. Manual press tongs for crimping ferrules and sleeves. Stranded wires and thick-walled lugs

When crimping conductors, one of the main conditions for obtaining high-quality contact and its reliable operation in the future is the use of professional tool. One of these tools are press tongs or crimpers designed for crimping sleeve, insulated, not insulated tips and automotive terminals.

Crimpers for automotive terminals and insulated lugs must have dies with a double-circuit crimping profile - along the core and along the insulation. Also, its geometry and shape must match the crimp part of the ferrule.

As a rule, it is best to buy sets at once, where the pliers themselves and all the necessary matrices are included.

Among domestic manufacturers stands out the company KBT and its two sets for crimping:

Consider their configuration, differences and principles of operation. Both of these sets are designed to crimp both insulated and non-insulated ferrules.

Press tongs CTB

The CTB set includes:

• press pliers themselves
• five numbered matrices
• plastic case

Press tongs have a mechanism for quick removal and replacement of dies.

Keep in mind that any matrix, like any part, has a run-in property. And during the first few dozen crimp cycles, it is quite possible that the tip may bite.

Sometimes the jam is such that the matrix jumps out of its quick-release mechanism. This does not at all mean a poor-quality tool, and over time, after running in, you will forget about such an inconvenience.

In general, quick-detachable matrices are, of course, a positive thing, but in practice there really is not enough of some mechanism for their rigid fixation. And the longer you operate the crimper, the more this mechanism is weakened.

Press tongs CTB are made of high quality steel. Equipped with a ratchet mechanism that provides a full cycle of crimping. There is also an asterisk with which you can adjust the clamping force.

In the upper part there is a lever that allows you to unlock the tool from any position.
If you choose the wrong die size and start crimping, the press tongs may not reach the very end, thereby locking the handles in an intermediate position. Here, just the same, you will need an unlock lever.

The handles are elongated, so that it is convenient to crimp with two hands. With relatively large sections and a large amount of work, this is very helpful.

Compared to other manufacturers, a small angle of opening of KBT crimper handles plays a significant role. For other models, in order to perform a girth, sometimes you need to have not hands, but large paws. A small angle of wiring allows you to use the tool with much greater convenience and comfort.

Matrices for press tongs

Why do we need as many as 5 sets of matrices? There is not only a difference in the cross section of the crimped lugs, but also in their functionality and size.

For each type of tips, you can choose your ideal option.
In the CTB press tongs, as in the CTF, the dies are interchangeable, which makes these sets absolutely compatible and can significantly save your budget.

Most often, you have to use dies designed for crimping insulated and non-insulated sleeve lugs of the NShVI and NShV brands. The matrix is ​​digitally marked along the cross section of the tip.

These dies are specially designed to form a solid pin at the end of a stranded strand.

To give mechanical strength a special corrugation is applied on the inner surface of the crimping profile.

The MPK-02 model matrix fits the most popular range of end sleeves with a cross section from 0.25 to 6 mm2.
And what to do if you have a sleeve end with a cross section of as much as 25mm2? Here you will be rescued by the matrix of the MPK-03 model. This die already crimps insulated and non-insulated ferrules from 10 to 25mm2.

For crimping double end sleeves of the NShVI-2 brand, you need to use the MPK-06 matrix. It has 7 positions and crimps ferrules from 0.5 to 6mm2.

Keep in mind that it does not come with the tool and you will have to buy it separately. You can get acquainted with the current prices and choose a set of matrices for yourself.

There is another way out of the situation. If you need to crimp the double tip of NShVI-2, and there is no way to buy a matrix for it, use the ordinary MPK-02 matrix.

The only condition is that you need to crimp such a NShVI-2 with a connector one size larger.

That is, when you have a double tip with a section of 4mm2 NShVI (2) -4-12, then you need to press it with a matrix designed for a single one under 6mm2.

The set also includes an MPK-01 matrix for insulated connectors of the brand NKI, NVI and the like. It is designed for sections from 0.5 to 6 mm2.

Well, the last two sets of matrices are MPK-04 - for auto-terminals and MPK-05 - for bare copper tips.

The dies are inserted into the pliers in such a way that the side of the die with the smallest section of the crimping profile is always located at the edge of the jaws.

Sleeve tips NShVI this crimper compresses with a trapezoid. Such a crimp profile is quite wide and may cause some connection problems with individual equipment. Keep in mind that when connecting wires to starters of the second magnitude, after crimping wires of relatively large sections with a trapezoid, sometimes you have to put them into contacts sideways.

Press tongs set CTF

This set also includes 5 matrices. True, there is no longer a quick release mechanism.
To replace the matrix, you will have to use a hex key. Which is not very convenient and can take much longer than the compression process itself.

Of course, you can do amateur activities and somewhat modernize the process of removing matrices. To do this, nuts can be soldered onto the factory screws, which are already easy to twist by hand without the use of hexagons and special keys.

Also included are 2 spare screws from the dies in case you lose the current one or ruin the threads on them.

The lack of a quick release mechanism is of course one of the main disadvantages of this tool. Imagine you are sitting in front of a closet, in which there are a couple of hundred conductors. All of them go in order, of different sections and sizes, and they need to be crimped accordingly. How much extra time and nerves it will take you to unscrew and twist the matrices, the question is far from rhetorical.

When inserting dies into CTF pliers, in order not to be mistaken, look at the size of the crimping slot. big size insert in the direction of the handles, with a smaller one - in the groan of the nose of the tool. The vertical positioning of the matrices also plays a role.

A reasonable question arises, why do we need a CTF set with an inconvenient process for replacing dies, if there is a CTB press tongs with a quick release mechanism?

The fundamental difference of CTF is the parallel closure of matrices. This form of crimping is the most important advantage over any other pressing tongs.

When using conventional press tongs, the crimping of insulated and non-insulated ferrules first occurs from one edge, then in the center, and only at the end the ferrule is crimped in its entirety.

But the CTF model has such a design that the jaws on it close in parallel from top to bottom. Therefore, crimping occurs evenly and immediately over the entire surface of the tip.

Parallel clamping of the dies provides a higher quality connection.

True, it is possible that you picked up the matrix and the tip, it seems, correctly, and the wire after crimping is still poorly clamped inside the sleeve. How is this possible?

And the reason here lies in an unscrupulous cable manufacturer. It is they who can make the wire, relying on their technical conditions, and not on GOST. As a result, the cross section is not 1.5 mm2, but less than 1.25-1.3 mm2. You, however, clamping it all with a 1.5mm2 matrix, naturally cannot achieve the result you need.

On new pliers, nothing needs to be adjusted. The factory settings are set optimal conditions crimping. However, during long-term operation, the matrices can become loose and play and slack appear.

Adjustment is carried out using an eccentric. Unscrew the stopper screw and turn the sprocket. To the plus side, if you need to increase the convergence of the matrices and to the minus side, if, on the contrary, to weaken.

The manufacturer KBT for its crimpers says that it guarantees crimping of lugs in 30,000 cycles without loss of crimping quality.

Also ctf pliers have:

• unlocking mechanism from any position

• handle lock button

By the way, the handles here are no longer elongated and it’s no longer possible to comfortably grab them with both hands.

Why do you need to fix the handles? Imagine that you are standing on a stepladder and, under the ceiling, are crimping the handpiece sleeve in the junction box with one hand. You need to put it on the wire, put it in the right slot of the matrix and fix it before finally pressing it.

It will be problematic to do this in one go due to the uncomfortable position and cramped working conditions. Here, just the same, the fixing mechanism is indispensable. They inserted the sleeve, tightened it, intercepted it and squeezed it properly.

It is not recommended to crimp solid wires with CTB and CTF press pliers. To do this, you need to apply more effort and the ratchet mechanism must be designed for this. In this case, it is better to use other brands of tools from KBT. For example, a crimper - PK-16u and PK-35u.

In general, both sets of CTB and CTF can complement each other and be indispensable assistants when crimping sleeve insulated, non-insulated and other types of thin-walled sleeves and tips.

Of course, it is quite enough for the master of the station wagon to have one of them. However, remember that versatility doesn't always pay off. It is much more reliable to have a set of exactly tongs, and not a set of matrices for one press tongs.

Sets of press tongs CTF and CTB in online stores can be purchased within 5000 rubles.
The pliers themselves with only one matrix will cost at least two times cheaper. Choose for yourself required option can .

When working with wires for various purposes, it constantly becomes necessary to connect them to electronics or other household appliances. To accomplish this task, it is customary to use special tool- pliers for crimping the lugs of a particular cable. This article will provide general information about this type of press, what types they are conditionally divided into and how to use them during installation or repair work.

Due to the fact that with the development of technology, new types of cable connections were invented for different purposes, with different power and conductivity, their design also changed. In order to prepare the contacts of the leading wires, their lugs should be crimped in an appropriate way. The solution to this problem was the use of crimping pliers.

Very often they are used by radio amateurs, auto mechanics and electricians. Such a tool can be used to press the contacts of both conventional cables and specific connectors for non-standard connectors (network cable for a computer), various terminals. To date, crimping pliers are considered one of the most common tools for such work. It is cheap to produce, affordable and effective.

Its design allows you to effortlessly press the tips. The principle of the press is capable of reliably and efficiently crimping cables. As a result, there is a very strong connection between all conductors and the connecting structure itself. The cost of a crimping tool can usually be affected by several factors - the manufacturer, the type of construction, the quality and material of the final product.

Tool types

First of all, it should be noted that there are now many manufacturers of crimping pliers that make them to various standards. In the end, you should get a tool that can have a narrow purpose (pressing only a certain type of wire) or a wider one (universal pliers for household structures and production). For this reason, the consumer should immediately have an idea of ​​what type of pressing tool he will need.

AT living conditions such a crimping tool may be suitable for working with stranded wires of an electrical network: sockets, switches, lighting fixtures, energy meters, and more.

Pressing tongs provide a high-quality and safe electrical and mechanical connection. Usually, the division into types of a given instrument is made on the basis of them. Crimping pliers are classified as crimping equipment. They are often required to work with low current systems to secure contacts.

So the tool itself can be divided into several types depending on its purpose. For removing the sheath from the cable and its insulation. This type of pliers allows you to quickly and accurately cut off the required section of insulation on the wire without damaging the core itself. They can be adjusted to a specific diameter that should be removed from the core. The setting can be done manually or you can choose automatic.

With manual adjustment, there will still be a chance of damaging the wire itself, and automatic adjustment will allow you to remove the braid under the consequences for the cross section of the cord. Often this type is used when working with distribution and junction boxes. The cutting edge must always be sharp so that the cutting of the outer insulation is done in one step, without chewing the wire in the tool.

For the press end sleeves. For this type of ticks, there are also several types, depending on the shape of their nests and shape. Nests can have plastic flanges, as well as be made without them. Able to be trapezoidal or intended for square pressing. Those that have sockets with plastic flanges in their design allow you to effectively crimp the lugs of stranded wire, and their square shape is able to ensure reliable contact of all strands. With such tongs it is very convenient to do mounting or centering for any type of section. For a more reliable and accurate contact press, the pliers must be selected according to the appropriate diameter (there is a color marking for them).

For insulated cable lugs. Working with insulated contacts should be carried out with an oval-shaped tool. Usually in their matrix should be located 3 standard forms for the press, which can be distinguished by the colors - red, blue and yellow. Accordingly, for each of these colors, a tip, sleeves and other connectors are produced with the same color indicator.

Applying while working with insulated wires such pliers, it is imperative to ensure that the position of the butt edge is correct. The butt edge is located in the middle of the upper profile of the tongs. This design is dictated by the fact that with its lateral placement, the edge will be able to violate the reliability and tightness of fixing the cable itself.

For pressing non-insulated cable lugs. Used for non-insulated type of wire, as well as for open, made of brass. For the press in such pliers, a special rod is made. Therefore, the sleeve itself is crimped in the center, and the rod must be planted on the separation seam. Press pliers for open ends, which are made of brass, can be used for certain types of clamps. One is for the wire and the other is for the insulation. In order for the press of open contacts to be reliable, it is worth attaching a locator to them. Such a device will ensure accurate positioning. If it is necessary to crimp the terminals, it is better to use suitable crimping pliers.

Video “Clamping and Insulation: Electrical Basics”

Principle of use

The principle of using contact press pliers in wiring can be understood from the workflow in which they will be required to be used. To work, you need a certain wire, the crimping tool itself and the connecting element itself, which should be placed at the end of the contacts. First of all, the outer insulation must be removed from the end of the wire. To do this, you need to use pliers. They should have a semicircular hollow, and on top of it a cutting edge. You need to put the wire in this recess, then press the upper side with the blade. After making a couple of turns around the cable, the insulation will be cut. Now it can be removed without effort. For the correct press with reliable contact, it will be enough to strip 4 centimeters of the cord.

The next step is to align and place all the strands in desired sequence, as required certain kind connector. When the wires are straightened, they should be pressed tightly together and cut off, leaving 1-1.5 cm of contacts for connection. Then all the contacts must be placed in the connecting device itself, while maintaining their sequence. The vein establishment must be made to such a depth that the lower notch of the connector reaches the cable insulation. This is necessary in order not to damage it during crimping, since the notch itself is pressed very tightly, fixing the device on the cord.

After that in seat ticks should be placed device. Be sure to check the consistency of the colors of all cores. When they are in correct position, then compression can be performed. Final stage requires checking the connection for strength, as well as whether the connector itself is intact. Since there are a large number of working tools for such purposes, you can choose exactly those that are best suited for a particular type of connection.

Modern electrical engineering is constantly being improved, including in the field of connecting wires and cables for various purposes, power and conductivity. The quality of the wiring largely depends on how well the leading wires and their contacts are prepared. They must be crimped in a certain way, and this task is completely solved by special pliers for crimping wire lugs. They are widely used among electricians. Using the tool, not only ordinary cables are crimped, but also various connectors used in non-standard connectors.

Application of crimping pliers

All pressing tongs, regardless of their size, are designed to perform two main tasks. In the first case, several wires are securely fixed to each other, and in the second case, current-carrying wires are prepared for their subsequent fastening in the terminals of various electrical devices.

First of all, crimping is required when connecting stranded wires. If they are inserted into the contact terminals unprepared, then gradually under the influence of microvibrations created electric shock, individual cores will be compacted. A free space is formed between them, and therefore the contact will become much weaker. For this reason, power wiring was previously always laid with single-core wires. However, after press tongs appeared, this recommendation has lost its relevance.

The connection of cables of large cross-section by crimping has been used since ancient times, when household tools was not there yet. The quality of such operations was ensured by the use of special powerful presses capable of creating the necessary force. These devices operate on the principle of a jack, and many of them have a separate hydraulic drive. With the help of such presses, even the thickest cables are reliably connected.

The crimping method has proven itself well when connecting two or more wires. For this purpose, crimping pliers and wires are used. A special sleeve is put on their ends, assembled together, after which they are crimped. Depending on the type of connection, the wires are inserted from one or both sides of the sleeve. The first option allows you to get reliable twisting, and the second - high-quality.

The main types and varieties of ticks

Structurally everything crimping pliers- crimpers can be of two types. The former work as, and the latter are diaphragmatic. The first option is the most widely used. In this case, compression is performed only from two sides. The main difference from pliers are cutouts special form located in the lips. They act as guides and provide high-quality fastening of the tips on the wire core.

Such crimping pliers are considered universal to a certain extent, since they can grip the tips from all sides. The main disadvantage of such pliers is the presence of only 3-4 cutouts on the jaws for different sizes of sleeves. Therefore, during the work you have to use several tools. Most the best option the use of a universal crimper is considered, which includes interchangeable dies fixed on a special cassette. In order to crimp the wire, the most suitable tip is selected, and the unnecessary one is inserted into the cassette in its place and fixed.

Diaphragm pliers can be used to crimp four or six sides, depending on the design of the operating mechanism. Full wrapping on all sides allows for the tightest crimping of cable ends. During operation, the pliers are automatically adjusted to a specific sleeve diameter. The main disadvantage of such a tool is the possibility of crimping sleeves only on one side due to the closed head.

AT separate category it is possible to include crimpers designed for crimping computer cables. They work in the same way as double-jaw pliers, with the exception of the matrices themselves, which have a specific configuration for computer and telephone plugs. In this case, the essence of crimping is to shift the contacts that cut through the insulation of the wire and are tightly pressed against its cores.

Depending on the destination, all crimping Tools is divided into the following categories:

• Removal of insulation and sheath from wires and cables. With these pliers, a section of insulation is cut off without damaging the cores. They can be customized to desired diameter manually or automatically. It is essential to keep the cutting edge sharp so that the outer insulation can be cut in one stroke.
• Crimping end sleeves. The crimping tool has trapezoidal or square sockets. They can be with or without flanges. In order for the clamping of contacts to be reliable and accurate, the pliers must be selected by color marking, which corresponds to a certain diameter.
• Crimping pliers for insulated ferrules. The tool has an oval shape, and in the matrix there are nests for the press in the amount of three. They are marked in red, blue and yellow. Sleeves, tips and other types of connectors with a similar color indication correspond to these colors. This marking performs the connection of insulated tips, placing them in the desired socket.
• Crimping of uninsulated tips. The main working element is a special rod located along the separation seam and compressing the sleeve in the center.

Crimping with hydraulic tool

High-quality crimping significantly improves the current conductivity at the joints, prevents overheating and emergency situations due to poor contact. At home, for these purposes, ordinary household tongs are used, designed to work with wires with a cross section of up to 4 mm2.

For continuous or combined crimping of a cable with a cross section of 4-400 mm2, it is necessary to use more powerful tools that provide high operating pressure. This category includes hydraulic tongs or hydraulic presses.

The design uses cylinders of various diameters, interconnected and representing a system of communicating vessels. Each of them has a piston. The internal cavity of the cylinders is filled with water, oil or other suitable liquid, therefore such a tool is hydraulic.

In accordance with Pascal's law, the force acting on any point of a fluid at rest is evenly distributed throughout the volume. Thus, if a certain force is applied to a piston of a smaller diameter, then when transferred to a large piston, it will increase. The greater the difference between the areas of the pistons, the stronger will be the force that occurs on the large piston.

Each hydraulic tool of this type has a single, double or triple action. The equipment of simple action is equipped with one working body - a movable partition. In double or triple action presses, there are respectively two or three working bodies. Their work processes are coordinated with each other, and general management carried out with the help of special distribution equipment.

Structurally, the hydraulic press can be vertical or horizontal, closed or open type. With this tool, you can crimp not only metal, but also other materials.

When choosing a hydraulic tool, the presence of a pressure limiting valve must be taken into account. This element provides additional reliability, eliminating overloads due to pressure. You should pay attention to the types of pressing heads, which are open or closed, as well as the diameters of the working sections. All hydraulic tools consist of sub-groups, each of which performs operations with cables up to 70, 120-300 and 400 mm2.

How to work with crimping pliers

Each pliers are used in accordance with their intended use. However, there are general principles relating to any instrument. When performing each operation, you will need a wire or cable of a certain section, the pliers themselves, as well as sleeve tubes or other connecting elements.

For example, you can take the Internet wires.

1. The ends of the wires are cleaned of external insulation. This operation will require pliers with a semicircular recess at the bottom and cutting edge above. A wire is placed in the recess, after which its upper side is pressed with a blade. 1-2 turns are made around the cable, the insulation becomes notched and removed without any effort. For normal crimping, you will need a cleaned area, 3-5 cm long.
2. The cores of the cable conductors are aligned and placed in the desired sequence according to the type of connector. They are closely pressed against each other and cut so that 1-1.5 cm remains for connection.
3. The wires are brought into the connecting device with the preservation of the sequence. At the same time, the lower notch of the connector must reach the cable insulation so as not to cause damage when crimping actions are performed.
4. The whole device is placed in the seat of the pincers. After re-checking correct location flowers are pressed.
5. Upon completion, the integrity of the connector and the strength of the connection are checked.

• • Of course, for the entire instrument (with the exception of some Supplies) a guarantee is provided for a period of 1 to 5 years, specifically for hydraulic presses - 3 years.
• • At standard work It is recommended to change the oil at least once every two years. If the tool is used frequently, the oil should be changed more frequently. It is not difficult to determine the frequency of changing the oil - if the press starts pumping too slowly, or jerkily, then it's time to check and top up or change the oil. When buying a hydraulic tool, you can immediately purchase KBT Hydraulic Oil for subsequent maintenance.
• • The resource of the tool is a loose concept. It depends on the intensity of use of the press - you crimp two tips a day, two hundred or two thousand. From the size of the tips - if you crimp only the tips with a section of 25 mm², then the tool will last much longer than if you crimp the tips with a section of 150 mm². Etc.
    According to world standards, the service life of hydraulic tools is about 5,000 crimps, for pressing tongs - up to 10,000. The actual resource of the KBT tool reaches 10,000 and 30,000 pressings, respectively. But that's not the point. The main thing is that when correct use tool and its timely maintenance (replacement of sealing rings, topping up and oil change), the KBT tool is guaranteed from three to five years (depending on the type of product), which best characterizes its resource.
• • Yes, they fit. In the models PGR-300 "KVT", PGRs-300 "KVT", PGRs-300A "KVT", PGRs-300AM "KVT", PGP-300 "KVT" and PGP-300A "KVT" matrices are the same. Also, sets of high-precision matrices of the NM-300 "KBT" series are suitable for all these tools.
• • Matrices in these tools are made according to a certain “average standard”, which allows for crimping aluminum and copper tips and sleeves made both according to Russian GOSTs and DIN standards. The quality of crimping with such dies meets all the requirements, and has been verified by many years of tool sales. But if you need to crimp the tip and be sure to get professional result, then we recommend using specialized high-precision dies of the NM-300 "KVT" series, designed for crimping certain series of tips.
• • It all depends on the type of quick couplings used. If they match each other, then it is possible. Couplings used on the tool trademark"KBT" have the following characteristics: M22 thread with a pitch of 1.25. If your pump or press has the same thread, then they can be used with KBT equipment.
• • Can. But for this, it is necessary to remove the fixed handle from the hydraulic presses, drain the oil, remove the rubber container, and only after that adjust the valve. It is not necessary to drain the oil from the pumps, but you will have to partially disassemble the case. Plus, the valve must be set correctly, which is quite difficult without practice. Based on this, it is better to leave the valve setting to the service center specialists.
• • Each tool has its own advantages and depends on the frequency and conditions of its use.
    For example, a mechanical tool can be used at any temperature (including negative temperatures), hydraulic tools can only be used at temperatures from -15 to +50 ° C (the KBT tool uses frost-resistant oil). The mechanical tool requires minimal maintenance, and the risk of breakage is extremely low. With some mechanical tools, you can crimp the tip faster - just press the handles together once.
    It is more profitable to use a hydraulic tool if it is used frequently - working with hydraulics is much easier physically. Most KBT hydraulic presses are equipped with a two-speed pump stroke mechanism, which significantly saves time during crimping. The automatic pressure release valve in the PGRs models protects the tool from damage.
    In a word, the choice between hydraulics and mechanics can only be made by a person who knows the operating conditions of the tool.
• • Any work should be carried out on a disconnected line. If absolutely necessary, you can use a special tool that is designed for work under voltage and marked accordingly. As of today, there is no such tool in the KBT product line.
• • The decision to buy a mechanical or hydraulic tool can be made by a person who knows in what conditions this tool will be used. AT this case, all-weather and all-weather power tool, requires minimal maintenance, is virtually indestructible and works faster (when equipped physical strength) than hydraulics.
• • These are specially designed high-precision dies for crimping very specific series or standards of ferrules. 99% of the dies in an inexpensive tool are made according to some “average standard”, and they can crimp different tips, but the crimping quality will still not reach the professional level. Until now, specialized matrices at a price of about 80 euros per pair (one standard size) were available only from large European manufacturers. Now they are also in our assortment. Matrices are suitable for the most popular models of hydraulic tools - presses PGR-300, PGRs-300, PGRs-300A, PGRs-300AM, PGP-300 and PGP-300A. If you clearly know which tips or sleeves you will use, and the guaranteed quality of the work performed is important to you, then the HM-300 "KBT" series matrices are your choice!
• • Such dies are used for crimping various tension, connecting and contact fittings and are made to order. There are four types of dies for each tool: round die "A" for crimping aluminum clamps (an example of designation A-24/PG-60 tons, A-54/PG-100 tons); round die "C" for crimping steel clamps (designation example S-17/PG-60 tons, S-44/PG-100 tons) hexagonal die "MSh-A" for crimping aluminum clamps (designation example MSH-13.8- A / PG-60 tons, MSH-60-A / PG-100 tons); hexagonal die "MSh-S" for crimping steel clamps (example of designation MSh-32-S/PG-60 tons, MSH-48-S/PG-100 tons); To order matrices, you must specify them inner size(depending on the fittings being pressed) and to which press it is needed. Matrix production time is about two weeks.
• • The main difference between the KBT tool is that the assembly and quality control is completely carried out at the KBT Kaluga plant. Particularly critical parts are also produced at the factory, other components are obtained from third-party enterprises. The similarity with the tool of other manufacturers or sellers ends with the appearance, and then, if you do not look closely. Most of the parts that make up the tool differ from similar parts in tools from other manufacturers, which has been repeatedly verified when we were contacted with requests for the repair of third-party tools. We make every effort to ensure that the tool comes out reliable and of high quality. Work is constantly underway to modernize and improve existing models. Warranty repairs and post-warranty service are carried out on the KBT tool.

Professional handpiece pressing pliers are presented in the form of a mechanical tool that allows you to ensure a reliable connection of two elements. Outwardly, their design most of all resembles ordinary pliers, but instead of even sponges, specific relief matrices are used. Their functionality is designed for different forms and crimp diameters.

Short description

Long term operation electrical networks largely depends on how well all the connections between the conductors were made. That is why crimping products are widely used, with which you can achieve the most reliable connections non-detachable type. During this procedure, the cores of the prepared wires are carefully compressed in special sleeves made of aluminum or copper. In order for the result to be of high quality, the master must apply a large compressive force provided by crimping tongs.

Such a tool is often called a crimper, since many manufacturers equip the unit with interchangeable dies with profiles that are combined with both cores and insulation. On sale you can find quite large sets of such devices, where each master will find everything necessary for high-quality work.

Most often, modern professionals use a mechanically driven crimping tool. Such units are equally effective in both industrial and domestic industries. Of course, if necessary, more powerful pressing tongs can be purchased, where the main work is performed by a hydraulic drive. They can be used to process cables with large diameter and cross-sectional area from 120 mm².

Universal press pliers for crimping sleeves and tips consist of two basic parts:

1. The fixed element is a matrix, which is presented in the form of a curly bracket, providing the necessary deformation of the material.
2. The moving part is a specific punch, without which high-quality extrusion on the sleeve cannot occur.

Matrices are selected in strict accordance with the diameter of the tip. Depending on the model used, all adjustments occur through fine adjustment or replacement of the part itself. Standard domestic installation of such a tool is made in the form of non-removable curly sponges, which are designed for quick crimping of different-caliber sleeves.

In removable models of ticks, it is of great importance right choice working area, which necessarily includes a matrix, as well as a punch. If the master made some mistake, then the final connection will turn out to be extremely low, and normal contact will simply be unavailable. In addition, the compressive force must also be able to measure. After all, excessive pressure will tear the sleeve, which will make it unsuitable for further operation. But a weak crimp, on the contrary, will not be able to provide high-quality contact, the final contact will be extremely unreliable.

It is worth noting that in recent times craftsmen actively use manual pressing tongs of the PK-16 brand, which are manufactured by the KBT company. The thing is that such devices have the simplest design, a high degree of endurance, and they are also very convenient to use. The tool completely lacks unnecessary auxiliary functions, due to which it is included in the list of the most popular budget options.

Applications

Crimping pliers are actively used by both beginners and more experienced radio amateurs, as well as electricians and auto mechanics. Such units are simply indispensable in situations where you need to process the contacts of standard cables and professional connectors with an unusual connector (this category includes a network cable for a PC).

Light and simple design such crimpers gives each master the opportunity to complete the task as quickly and efficiently as possible. The device is guaranteed to provide reliable and tight crimping of the workpiece, due to which the highest degree of contact between the connecting element and the conductor is achieved. The price of the unit directly depends on the manufacturer, the type of design and quality.

It is worth noting that crimping pliers do an excellent job of crimping insulated wires:

• NShKI - pin round tips.
• GSI - connecting sleeves.
• NCI - ring type tips.
• RPI-P, RSHI-P, RPI-M, RSHI-M - flat and plug connectors.
• OV - piercing type couplers.

Crimping units are actively used for flexible conductors of wires in the process of connection circuit breakers, chandeliers, sockets and lamps. Professional crimping of connector sleeves in the industrial sector is carried out using universal pliers hydraulic type. Such units are designed for cable cores with a cross section of 16 to 240 square meters. mm.

Design differences

Universal pressing tongs are designed to work with sleeves and tips, the cross section of which can vary over a wide range. In the domestic and industrial sectors, the most common are parts with an indicator from 1.5 to 16 mm². The special design allows you to precisely press the metal of the tip (sleeve) into conductive wires conductor. The final result depends on the required depth and application profile.

Some models are equipped with a ratchet mechanism, due to which the handle of the unit is in a compressed state until the crimp is completed. At the final stage, the pawl is triggered and the inverter mode is turned off. In such a situation, the master simply will not be able to squeeze the handle, since the tool's jaws are not fully open. In addition, the unit can be equipped with a side swivel wheel that disables the lock if necessary.

Each tool jaw is equipped with working areas with the most different profiles. Such technical solution allows craftsmen to crimp any type of lugs and sleeves with a standard section. For more comfortable work, each zone is marked with its own number or a special stamp, due to which errors associated with the wrong choice of size are prevented.

PK-16 products do not differ at all from their counterparts in any way. design features. But the presence of longer handles allows you to comfortably work for a long period of time without making much effort.

If the master decides to use the production area with numbers 1.5 and 6.0, then he will need a little onslaught of one hand to make the result as high quality as possible. But for zones 10 and 16 it is necessary to use the power of two hands. It is worth noting that if a specialist most often works with large tips and sleeves, then it is better for him to buy a more powerful and larger unit.

Varieties of pressing units

Many modern manufacturers engaged in the manufacture of crimping pliers based on various standards. The buyer can always buy available tool with a narrow scope (pressing a certain type of cable) or universal models. That is why even before buying it is necessary to determine what work the unit will perform.

Rules for using the tool

Despite the fact that many novice craftsmen consider crimping quite simple view work, but even in this case there are technical conditions on which the quality of this procedure depends. The correct choice of the unit is of great importance, since it must have an optimal compression force, which will be quite sufficient for the sleeve used.

Between those wires that are interconnected due to crimping, the most high-quality and reliable contact is created. In order for the result to meet all the requirements, certain rules must be followed:

Larger sleeves with a section of 10 or 16 mm² can only be crimped at certain intervals. Otherwise, frequent exposure to excessive loads can deform the tool, due to which it will become unsuitable for further use.

Main advantages

Many people think that crimping pliers are not needed at all to connect lugs and wires of a small cross section, because they can be replaced with ordinary pliers. Of course, such a way out of the situation is quite accessible, but to achieve such High Quality as with ticks it will no longer work. And all because the matrices of the tongs provide a too tight fit of the tip to the core, which prevents the penetration of water and air. Due to this, metal oxidation can be excluded, which is especially important when working with copper parts.

During the use of pliers, gaps are formed where dust, moisture and any debris can easily enter. The quality of the contact will be reduced several times, and this is fraught with an increase in current resistance. The cores receive too much clamping, which violates their cross section. Over time, some of them will thin out or simply fall off, which will reduce the conductivity of the signal.