Nowadays, The use of excavator hammer breakers is more and more widespread. We often see hammers at many job sites, It plays a vital role in urban and rural construction so making a good crushing hammer is our mission.

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The power source of hydraulic breaker is an excavator and loader, which can effectively clean up floating stones and soil in the cracks of rocks in the role of excavating the foundation of the building.

Select Hydraulic Breaker/Hammer For Excavator

When choosing a hydraulic breaker, please consider the following aspects:

The weight and bucket capacity of the excavator

The weight of the excavator must be for reference, it can prevent the excavator from falling down because of the heavyweight of the hydraulic breaker when the boom is fully extended.

If the hydraulic breaker model is too large, the excavator might fall down, if the hydraulic breaker is too small, the excavator couldn’t exert the function of the excavator, which also accelerate the damage of the hydraulic breaker. So the excavator and hydraulic breaker could be fully utilized when their weights match.

Light Type Hydraulic Breakers Specification

Model No.Body WeightWorking Flow RateWorking PressureImpact RateHose DiaChisel DiaExcavator Weight
JTB4005020-4090-120700-12001/2400.8-2
JTB4507020-4090-120700-12001/2451.2-3
JTB5309025-4590-120500-11001/2532.5-3
JTB68015536-60110-140500-9001/2683-7
JTB75021050-90120-170400-8001/2756-9
JTB85028045-85127-147400-8001/2857-14
JTB100048080-120150-170400-6503/410010-15

The working flow and working pressure of the hydraulic breaker

The working flow of hydraulic breakers is different for different hydraulic breakers. The working flow of hydraulic breakers ranges 23L per minute from 400L per minute. When selecting a hydraulic breaker, the working flow of the hydraulic breaker must be consistent with the output flow of the excavator spare valve.

The working flow determines the working frequency of the hydraulic breaker, that is the impacts per minute, the working flow is proportional to the number of impacts. When the output flow of the excavator spare valve is larger than the demand flow of the hydraulic breaker, the hydraulic system will generate too much heat, which will cause the system temperature too high and reduce the service life of the components.

JIANGTU Excavator Break adopts special carbon steel material and heat treatment processes to ensure that the wear of the piston hitting surface is minimized and the service life of the piston is maximized.

Piston production adopts precise tolerance control to ensure that the piston and cylinder can be replaced with a single product, reducing maintenance costs.

The shell of the breaker has put forward higher and higher requirements for its sealing system. The NOK brand oil seals ensure our hydraulic breaker has low (zero) leakage, low friction and wear, and long service life.

The structure of the hydraulic breaker

JIANGTU hydraulic breakers have three most common appearance designs:  side type, top type and box silenced type.

Side type and top type hydraulic breakers usually use two thick steel splints to protect both sides of the breaker core. This structural design does not protect the front and back of the hydraulic breaker. Their disadvantage is that the noise is bigger than the same size box silenced type hydraulic breaker.  The steel plates on both sides are easy to lose or break, and the protection of the breaker body is not good.

The structure of the box silenced type breaker is that the shell completely encloses the breaker body, and the shell is equipped with damping material, which creates a buffer between the breaker body and the shell and also reduces the vibration of the carrier. Its advantage is that the hydraulic breaker body could provide better protection, low noise, reduces vibration during work. Also, it solves the breaker shell loss. The box silenced type hydraulic breaker would be the mainstream and development trend of the global market.

How to use the hydraulic breaker accessories to do the work well?

The proper operation of the hydraulic breaker can prolong the use cycle of the tool. Therefore, we need to do well the operation essentials of hydraulic breaker parts and machinery to ensure that our products will last longer and work more efficiently.

Appropriate breakdown force

To effectively break and crush stone, the hydraulic breaker is applied to the appropriate breakdown force. If the breakdown force is insufficient, the energy of the piston will not be effective to crush stone, so the reaction force of hammering force will be spread to the body of hydraulic breaker body and the arm of the excavator/loader, then should arise damage to breaker components.

Another side, during the excavator/loader arm lifting, if the breakdown force is too large, the excavator might suddenly fall down in the gravel moment, The breaker chisel would damage because of a violent breakdown stone. In this operation case, the track and wheel vibration will be spread to the excavator, the operation should be stopped in this situation. During the operation, we should always pay attention to the breakdown force of the hydraulic breaker, which doesn’t work when the breakdown force is dis comfortable.

The direction of the breakdown

The breakdown direction should be in line with the chisel. When the reak stones, it should be kept vertical operation, if the hydraulic breaker direction incline, the breaker chisel maybe slip, and the piston or chisel might be broken. When break stones, please choose one good breakdown point to ensure the hydraulic breaker working in a stable status.
 
Thanks for reading the above knowledge for our hydraulic breaker. I believe you have a relatively deep understanding of our products. If you have any inquiries, please send a message or call our service team. Welcome to your visit to our factory.

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