When purchasing various special equipment, it is most convenient to purchase all the necessary attachments there. However, often this is not possible or the need for such a tool arose later. In this case, the MG-300 is perfect. Not only does it have excellent compatibility with excavators from the same manufacturer, but it is also suitable for other models, as long as their weight class matches.
Alexander Belyaev from Surgut, 42 years old, asks a question:
I want to buy myself special equipment to quickly chip away ice build-ups in winter. I would like to know what types of hydraulic hammers exist?
Our specialist answers:
The main parameter of hydraulic hammers is impact energy. Depending on it, devices are divided into several types:
- heavy (impact more than 3500 J);
- medium (impact from 1500 to 3500 J);
- small (impact from 400 to 1500 J).
How to choose the right hydraulic hammer
When selecting a suitable installation, you need to pay attention to:
- the weight of the excavator to which the equipment will be attached;
- fluid consumption;
- pressure;
- technical performance;
- availability of repair work;
- noise generated and degree of vibration.
Let's look at each nuance in more detail.
Weight of special equipment
According to established standards, a hydraulic hammer should be approximately ten times lighter than an excavator. However, it should not be heavier than the bucket in which the building material is located. If you use very heavy attachments, you cannot avoid frequent breakdowns in the connection points between the rod and the handle, the handle and the boom, and the boom and the platform.
Therefore, when purchasing a hydraulic hammer, you must know the weight of the excavator (most often it varies from two and a half to one hundred and twenty tons). Without this indicator, it will not be possible to select a device.
Working fluid
It is important that its consumption is correlated with the performance of the excavator hydraulic pump. In the event of a sharp discrepancy, the following problems may arise:
- sudden pressure surges, shortening the period of operation of both expensive installations;
- unstable functioning of the hydraulic hammer or inability to turn it on.
Modern hydraulic hammers are usually equipped with a system that controls the flow of working fluid and measuring devices. Such additions significantly expand the scope of their activities.
Pressure
The voltage created by the pumping unit of special equipment should not be lower than that of a hydraulic hammer. If the machine has a power controller, it is better to turn it on at a pressure reading that does not exceed the operating pressure level of the hydraulic hammer. If this requirement is not met, the power controller will start to turn on with each hammer cycle. This will significantly reduce the service life of the expensive installation.
Technical performance
The effective power of the equipment depends on the technical productivity - the energy with which it hits the surface and how often it does it per unit of time. However, it is almost impossible to determine the exact technical performance in real conditions. It is determined by many factors: the characteristics of the pump used, the angle between the axis of the hydraulic hammer and the vertical.
For this reason, hammer manufacturers inadvertently inflate actual energy and impact rates or indicate peak load values. However, real performance cannot be determined from these data. That is why, to obtain the desired result, the most important thing is to focus on the weight of the installation and the diameter of the lance.
Maintainability, ease of use
It is important that:
- the main components of the mechanism could be easily reached;
- the hoses were connected to the fittings quickly and without unnecessary manipulation;
- Recharging the batteries did not take much time.
There are devices equipped with a modern automatic lubrication mechanism. Due to this, they can even function underwater.
Small class
Features of small class hydraulic hammers are:
- light weight;
- mobility;
- compact dimensions;
- ability to work in hard-to-reach places.
Composition of the lightweight hydraulic hammer BRUCE SGH series
With the help of these devices, work is carried out to destroy objects near which other structures are located. The smallest types can be used inside buildings for renovation or renovation.
Small hydraulic hammers are suitable for the following construction operations:
- opening asphalt;
- removal of ice build-up;
- drilling brickwork;
- soil compaction with additional equipment.
The disadvantage of such devices is their low performance.
Small type hydraulic hammers
HYDRAULIC HAMMER: foreign and Russian manufacturers
Home > Archive of articles from our newsletter >Issue No. 107. Article No. 1.
Print version >>
| JSC "Mikhnevsky RMZ" supplies MOUNTED HYDRAULIC HAMMERS | |
| FOR EXCAVATORS EO-2621, EO-3323, EK-06, EK-08, EO-5124, 5225, 5123, EO-4121...4225, EO-4321, ATEK-761, -881FOR LOADERS PUM-500, MKSM-800. MODELS OF HYDRAULIC HAMMERS SMG-200, SMG-300, NM-230, NM-120, NM-300, GPM-120, GPM-50, MG-300, I-300M, D-600, SP-62HL, NP-440, PN-1300 M5, D-41, etc. More about hydraulic hammers >> | Working with you: Nikolai Mikhailovich Gusev |
To effectively use a mounted hydraulic hammer, you need to know the features of its design, operating conditions and maintenance requirements.
This was discussed in a previous publication. Today we will briefly talk about the products of some companies represented on the Russian market. Atlas Copco AB and Krupp Berco Bautechnik
Atlas Copco AB and Krupp Berco Bautechnik have made their alliance one of the world leaders in the production of hydraulic hammers. After all, Krupp has long been among the trendsetters in the production of this equipment, especially piston-type hydraulic hammers.
Models of Atlas Copco mounted hydraulic hammers (Table 1) of the light series are available with the letter designation SB. Their weight ranges from 35 to 419 kg; accordingly, such hammers can be used on excavators weighing from 0.35 to 12 tons. Lightweight hydraulic hammers developed by Krupp are also produced under the Chicago Pneumatics brand. This series includes CP100, CP150, CP200, CP300, CP400 - equipment for basic machines from 1 to 13 tons. Models of the middle MB series weigh 550-1700 kg and are designed for excavators weighing from 8 to 20 tons. The severe series is designated NV. These models weigh 2.2-7t. The leader of the heavy range - the six-ton hammer NM-3000 - is designed for machines weighing from 55 to 100 tons and is one of the most powerful hydraulic hammers.
Table 1. Some models of Atlas Copco hydraulic hammers
| Hydraulic hammer model | Excavator weight, t | Hydraulic hammer weight, kg | Impact frequency, beats/min | |
| SB 50 | 0.35-0.7 | 35 | 1140-1500 | |
| SB 300 | 4.5-9 | 312 | 480-960 | |
| MB 700 | 10-18 | 750 | 370-800 | |
| MB 1200 | 15-26 | 1200 | 340-680 | |
| HB 3000 | 32-50 | 3000 | 280-540 | |
| HB 5800 | 55-100 | 5800 | 280-460 |
Caterpillar Impact Products Ltd
The range of lightweight hammers from Caterpillar Impact Product Ltd (Great Britain), in which the piston stroke is made under the pressure of hydraulic fluid coming from the main line of the supporting machine, includes equipment weighing 130-830 kg. The produced models of the middle and heavy class weigh from 1 to 3.8 tons. The most popular of them are the N-63 for backhoe loaders. And four models of the same series - H-100Cs, H-116Cs, H12OCs, H-13OCs - are designed for medium-sized wheeled and tracked hydraulic excavators.
At the BAUMA 2007 exhibition, the company presented a new hydraulic hammer - the H180Ds, which surpasses even models in the 4000 kg class - this is the fourth addition to the D series model range over the past year. This hammer replaces the H180S and should be available in the third quarter. The H180Ds has larger piston and tool sizes, resulting in a 15% increase in productivity compared to the H180S.
Feel Industrial Engineering Co LTD
The advantage of Delta F hydraulic hammers (Table 2), produced by the South Korean company Feel Industrial Engineering LTD, is high performance characteristics at relatively low prices. It’s easy to choose the right one from a wide range of hydraulic hammer sizes. Based on the circuit and layout solutions, Fine hydraulic hammers can be divided into two groups. The first includes hammers of the Delta F3...F10 models, characterized by the fact that there is no mains accumulator in their pressure supply line. Impact energy is generated mainly due to the energy accumulated in the piston accumulator-pneumatic chamber during cocking of the striker. These hydraulic hammers are used on excavators weighing from 1 to 12 tons.
The second group includes hydraulic hammers Delta F 15...F 50, mounted on medium and heavy excavators weighing from 13 to 65 tons. A hydropneumatic accumulator is built into the pressure line of these hydraulic hammers, in which hydraulic oil and compressed nitrogen are separated by a rubber membrane. The hydraulic “filling” is produced in Korea, and the suspension mechanism for the excavator and the working tool are produced in Russia using Korean technology.
Table 2. Selected Delta hammer models
| Hydraulic hammer model | Excavator weight, t | Hydraulic hammer weight, kg | Impact energy, J | Impact frequency, beats/min | |
| F4 | 3-6 | 160 | 480 | 550-1200 | |
| F7 | 7-12 | 437 | 1764 | 450-800 | |
| F10 | 9-18 | 795 | 2443 | 450-800 | |
| F15 | 13-18 | 1400 | 4234 | 400-900 | |
| F35 | 28-40 | 2450 | 7200 | 350-700 | |
| F50 | 45-65 | 4120 | 13125 | 250-450 |
JCB
Hammers, which are sold under the trademark of the British company JCB (Table 3), are mounted through an adapter bracket on base machines not only from JCB, but also from other manufacturers. The weight of light series models is from 100 to 537 kg. Medium and heavy hammers weighing 810-3850 kg are produced for excavators from 9 to 70 tons.
The index Q in the name means a model with a mounting plate and noise reduction. The hammers are supplied complete with hoses for connection to the hydraulic system of the supporting machine, and the hydraulic swivel connection on the heavy models HM260, HM360 and HM550 provides protection for the end hoses.
Table 3. Some models of JCB hydraulic hammers
| Hydraulic hammer model | Excavator weight, t | Hydraulic hammer weight, kg | Impact energy, J | Impact frequency, beats/min | |
| JCB HM60 | 0,6-1,5 | 66 | 105 | 1320-2200 | |
| JCB HM100Q | 1,0-1,8 | 115 | 170 | 900-1320 | |
| JCB HM165Q | 1,9-4,5 | 120 | 306 | 540-1080 | |
| JCB HM1260Q | 13-22 | 1250 | 2404 | 350-600 | |
| JCB HM2460Q | 24-40 | 2200 | 5400 | 280-550 | |
| JCB HM4160Q | 42-75 | 4200 | 9167 | 270-530 |
Furukawa Rock Drill Co Ltd (FRD)
The Japanese company Furukawa Rock Drill Co Ltd (FRD), a manufacturer of mining and attachments for destruction (Table 4), produces models of all classes. The easy-to-use, lightweight FRD F-series hammers, weighing from 67 to 283 kg, are available with or without the T-BOX system (internal damping elements), with L-shaped side plates, with or without an insulated mounting plate that dampens noise and vibration. In general, the choice is quite large. The range of medium and heavy hammers includes equipment weighing 370-5700 kg, which can be installed on machines weighing from 3.5 to 100 tons. During installation, using the control valve, the hammer can be adjusted to the pressure created by the hydraulic system of the supporting machine.
Table 4. Some models of Furukawa hydraulic hammers
| Hydraulic hammer model | Excavator weight, t | Hydraulic hammer weight, kg | Impact energy, J | Impact frequency, beats/min | |
| Furukawa F1 | 0,5-1,5 | 67 | 160 | 900-1250 | |
| Furukawa F3 | 1,5-4 | 149 | 345 | 850-1200 | |
| Furukawa F5 | 3-7 | 283 | 710 | 700-900 | |
| Furukawa F9 | 6-12 | 520 | 1305 | 400-1400 | |
| Furukawa F22 | 16-25 | 1570 | 4572 | 360-700 | |
| Furukawa F70 | 45-70 | 4190 | 13667 | 250-500 |
Nippon Pneumatic
In NPK hammers manufactured by the Japanese company Nippon Pneumatic, the diaphragm accumulator is excluded from the design and the main impact energy is generated by a gas accumulator acting on the piston. From the point of view of company representatives, this increases the reliability and performance characteristics of the hydraulic hammer. Lightweight E-series models typically weigh between 107 and 955 kg. Medium and heavy hammers are produced for excavators weighing from 17 to 110 tons. The new models are almost 30% superior in impact energy to similar hammers of the previous generation. Thus, in the GH series weighing 1730-3260 kg, thanks to the improved design of the gas accumulator and piston, the impact energy is even greater than that of the same hammers of the E series.
Rammer
The Finnish company Rammer (Table 5) is currently part of the AB Sandvik Coromant corporation and manufactures products not only under its own name, but also that serve as the basis for hammers from many other companies. The Rammer company produces models that can be started in severe frost without preheating. The main models are light, S series weighing 80-830 kg, medium - E series weighing 1040-1710 kg and heavy - G series weighing 2350-6600 kg. Also interesting are two innovative series: light in, which includes models for installation on machines weighing from 0.7 to 5.5 tons, and medium m, which is used on excavators weighing from 25 to 45 tons.
Table 5. Some models of Rammer hydraulic hammers
| Hydraulic hammer model | Excavator weight, t | Hydraulic hammer weight, kg | Impact energy, J | Impact frequency, beats/min | |
| Rammer in8 | 0.8-1.8 | 85 | — | 400-1900 | |
| Rammer in11 | 1.2-2.6 | 120 | — | 400-1900 | |
| Rammer PICCOLO | 0.8-1.8 | 80 | 130 | 900-1600 | |
| Rammer S23 | 3-6.5 | 315 | 450 | 400-2000 | |
| Rammer E64 | 12-20 | 1040 | 2300 | 400-700 | |
| Rammer E68 | 21-32 | 1710 | 4000 | 330-580 | |
| Rammer m18 | 21-32 | 1880 | — | 450-800 | |
| Rammer G110 | 40-70 | 3800 | 9200 | 300-480 |
Soosan Heavy Industries Co Ltd
The South Korean company Soosan Heavy Industries Co Ltd (Table 6) produces low-noise SB-plus hydraulic hammers with a patented hydraulic valve system and heavy hammers with an improved noise reduction and vibration protection system. The lightest hammer, model SB10TS-P, produces a noise level of 85 dB within a radius of 3-5 m; the model from the heavy range, SB151TS-P, has a noise level of 85 dB at a distance of 38-45 m. The company's range of light, medium and heavy hammers is installed on machines weighing from 0.5 to 50 tons.
Table 6. Some models of Soosan hydraulic hammers
| Hydraulic hammer model | Excavator weight, t | Hydraulic hammer weight, kg | Impact energy, J | Impact frequency, beats/min | |
| Soosan SB 20 | 1.2-3 | 126 | 125 | 700-1200 | |
| Soosan SB 35 | 3-5.5 | 224 | 277 | 500-1000 | |
| Soosan SB 43 | 6-9 | 375 | 536/1180 | 400-800 | |
| Soosan SB 100 | 25-30 | 2071 | 3416/6720 | 300-450 | |
| Soosan SB 130 | 30-45 | 2833 | 5056/9360 | 250-400 | |
| Soosan SB 151 | 40-55 | 3991 | 7412/11930 | 200-350 |
In addition to the companies mentioned, on the Russian market you can find hydraulic hammers from brands of other manufacturers, for example, the Turkish Inan Makina, the Dutch companies Euroram Rockmaster, Dehaco and Hydraram, the Italian Rotair, Italdem, the South Korean Hanwoo, as well as the company Lifton, which produces them in several European countries .
Russian manufacturers of hydraulic hammers
The list of Russian manufacturers is also quite large - FSUE SibNIIStroydormash from Krasnoyarsk (GPM-120), CJSC Nevyansky Machine-Building (MG-300, MG-300.20), LLC Zlatoust Excavator, former Bulat (GPM-200) - table. 7.
Table 7. Some models of Russian-made hydraulic hammers
| Hydraulic hammer model | Applicability on domestic and imported equipment | Excavator weight, t | Hydraulic hammer weight, kg | Impact energy, J | Impact frequency, beats/min |
| GPM-120 | EO-2621 | 5-12 | 300 | 1220 | up to 180 |
| GPM-200 | EO-2621 | 6-12 | 380 | 2000 | up to 250 |
| D-800 | EO-5124, EO5126, EO-5225, EO-6123 | 30-50 | 2500 | 8000 | up to 300 |
| SP-62HL | EO-4121…4225 | 24-45 | 2100 | 9000 | up to 190 |
| MG-120 | EO-2621V(V2), MTZ, YuMZ, TO-49, Amkador 702E, EO-2626LEX | 5-12 | 300 | 1200 | up to 180 |
| MG-300 | EO-3322, EO-3322A, EO-33211, EK-12, EK-14, EK-18, ET-14, EO-4321 | 12-25 | 950 | 3000 | up to 300 |
| MG-300U (sugarless)« | EO-3322, EO-3322A, EO-33211, EK-12, EK-14, EK-18, ET-14, EO-4321 | 12-25 | 950 | 3000 | up to 300 |
| MG-450 | EO-33211, EK-18, ET-16, ET-18, ET-25, EO-5126, EO-4121, EO-4224, EO-4225, EK-270 | 18-26 | 1100 | 3500-4000 | up to 270 |
| MG-550 | EO-5126(VEKS), EO-5126(UVZ), EO-5124, EO-5225, EO-4124...4225, ET-25, KATO, Hitachi, Volvo, Komatsu, etc. | 20-38 | 1800 | 4500-5500 | up to 320 |
| MG-300 | EO-3323 | 12-25 | 950 | 3000 | up to 300 |
A large list of manufacturers of mounted hydraulic hammers indicates that this equipment is popular and in high demand.
Magazine “StroyTechExpert” No. 9/2007 “Mounted hydraulic hammer. Big names, quiet work”, author of the article S. Gusev
Middle class
For larger volumes of work, more powerful devices will be needed. For example, such as medium-sized hydraulic hammers. They are used most widely and are distinguished by their versatility, capable of working on objects of different sizes. For utilities, this device is the most economical option. It copes with most tasks and at the same time has a compact size. Middle-class hydraulic hammers cope well with crushing frozen soils. They are also used for:
- rock crushing;
- repair of melting furnaces;
- soil compaction in the presence of special equipment.
When working on sites where there is a high building density, you should choose a hydraulic hammer impact energy within 2500 J. If the figure is higher, there is a risk that neighboring buildings will be damaged.
Choosing a hydraulic hammer supplier
When choosing a supplier, you need to pay attention to the following points:
- supply experience;
- availability of spare parts warehouse;
- availability of customer service.
Delivery experience
After you have decided on the hydraulic hammer model, housing type and manufacturer, you need to choose a reliable supplier who is ready to supply only original products on time and at an affordable price. Before purchasing a hydraulic hammer, you can check the contacts of the organizations operating this equipment to receive feedback on the operation of the hydraulic hammer and the supplier.
Availability of spare parts warehouse
You should always be confident that your equipment will operate without downtime. Do not forget that the cost of a hydraulic hammer in the end is not only the cost of its acquisition, but also the cost of owning it, which consists of the price of spare parts and losses from equipment downtime in the event of a lack of spare parts in the supplier’s warehouse.
Only a supplier with a spare parts warehouse and well-established logistics can ensure a low cost of ownership.
Warehouse of spare parts for hydraulic hammers
Availability of service department
A hydraulic hammer is a technically complex piece of equipment and often requires consultation from experienced service specialists for installation and operation. Do not repeat the mistakes of others, do not buy equipment from companies whose staff includes only sales managers. Correct adjustment of the pressure and flow of the excavator hydraulics, operator training and consultations on issues that arise during work are the key to uninterrupted operation of the hydraulic hammer for many years.
Customer Service
Heavy class
Heavy-duty hydraulic hammers are designed to solve complex problems. Before the advent of these devices, they were solved using an explosion. Heavy hydraulic hammers are needed for:
Hydraulic hammer HB 4100 for the toughest demolition jobs
- carrying out quarry work;
- rock crushing;
- removal of large amounts of frozen ice;
- demolition of buildings, bridges, industrial structures.
When using a heavy hydraulic hammer, more attention must be paid to safety, since the radius of scattering fragments is quite large.
For each type of hydraulic hammer, manufacturers produce several types of additional tools: peaks, chisels, caps, tongues, etc.
Additional hydraulic hammer tools
When destroying concrete structures and processing reinforced and asphalt concrete, open and closed hammers can be used. The latter are characterized by low noise and have less impact on the performance of the special equipment to which they are connected.
Auxiliary installation tools are:
- Pike. Multifunctional element. Suitable for processing bricks, concrete, roads. May end in a cone or pyramid with projections. Most often there is a need to use a triangular or tetrahedral part - it is more in demand than a round cone. The irregularities on its surface make it possible to quickly break the material and create deep cracks in it. This has a positive effect on productivity. But with frequent use, the sharp edges wear off. Then the attached part loses its advantages. As for the round cone picks, they are suitable for crushing rocks, mining, and large construction waste. Their flat end is less likely to slip off these types of surfaces. During wear, the cone takes the shape of a convex sphere.
- Wedge. It is used if it is necessary for the resulting cracks to move away from the base tool. This effect is required when forming trenches. The blades can be attached along the installation axis or across. The sharpening angle of the wedge can be 20° or more. It is desirable that the wedge cross-section be large. Small diameter tools often make a hole, but do not produce deep cracks in the desired direction.
- Tamping. It is a non-standard type of equipment. This is a platform held by a strong steel rod and provided with grooves. It is connected to a hydraulic hammer. It is used strictly to implement specific manipulations. Needed for final soil compaction when performing some construction operations.
Considering the possibility of equipping a hydraulic hammer with various auxiliary systems, it becomes clear why it is so in demand in various fields. After all, it is thanks to him that the special capabilities of special equipment expand significantly.
Hydraulic hammers HP series
Hydraulic hammers Indeco HP today are a symbol of the most advanced and high-tech Italian solutions in the field of demolition and dismantling. Comprehensive research and development of hydraulic systems and accessories has enabled the company to achieve a leading position in the market thanks to the high performance of its products.
Indeco produces a range of hammer models in different classes, namely large, medium and small, in different versions and different designs, and thanks to this it offers its customers the richest range of attachments in the industry. That is why all our customers have almost unlimited possibilities to find the best combination between an excavator and a hammer.
small hydraulic hammers
Unrivaled in reliability, quietness and high productivity, Indeco small hammers, despite their small size, are used in earthmoving, road construction, residential demolition and recycling, and building renovations. Due to their versatility, they can also be used successfully for special tasks such as maintenance operations in a foundry.
medium hammers
Thanks to their optimal weight-to-power ratio and long body, Indeco medium hammers are ideal for both “classic” work, such as demolition, urban excavation, secondary crushing in quarries, and special operations. For example, these hammers are used in underwater work (if equipped with the appropriate kit), when digging narrow and deep trenches and for removing slag in a foundry.
