JMFZ Provide High-quality Hydraulic Breakers
Mar 13,2026
What is a hydraulic breaker?
An excavator breaker (also known as a hydraulic breaker or "cracker") is a hydraulic attachment mounted on the end of an excavator boom. Its primary function is to crush hard objects through high-frequency, high-energy impacts.
It is commonly used in the following specific scenarios:
* **Rock breaking and mining:** In mining or tunnel engineering, it is used to break large rocks, ores, or strip rock layers, replacing some blasting operations.
* **Building demolition:** In urban renewal or renovation of old buildings, it is used to demolish concrete walls, pillars, foundations, and other reinforced concrete structures.
* **Road construction and maintenance:** It breaks up worn-out asphalt, cement, or sidewalks for repaving.
* **Municipal and infrastructure engineering:** When excavating trenches, foundations, or treating frozen soil, it is used to clear loose rocks and hard lumps that obstruct operations.
* **Other fields:** Such as clearing steel slag (metallurgical industry), ice breaking, and other special working conditions.
Brief Description of Working Principle: A hydraulic breaker utilizes the hydraulic power of an excavator to drive an internal piston in a high-speed reciprocating motion under the combined pressure of nitrogen gas and hydraulic oil, violently impacting the chisel (drill rod), thus transferring energy to the object being broken.
What materials are hydraulic breakers made of?
A hydraulic breaker is a highly complex hydraulic device. Different parts use different materials to cope with different working environments (such as high-frequency impact, high pressure, and wear resistance):
1. Core Impact Components (Piston and Chisel Rod)
This is the heaviest and fastest-wearing part of the breaker, requiring extremely high hardness and toughness:
* Chisel Rod (Steel Drill Rod): The part that directly contacts the rock. It is usually made of special alloy steel (such as hollow chisel steel) with added elements such as chromium (Cr) and vanadium (V) to improve its lifespan. High-end products also undergo overall tempering and surface strengthening treatment, with a hardness typically between HRC52-58.
* Piston (Punch): Responsible for high-speed impact with the chisel rod. It is often made of chromium-molybdenum steel (such as 42CrMo). To prevent end-face denting caused by high-frequency impacts, modern pistons typically undergo carburizing or nitriding treatments to enhance surface fatigue strength.
2. Body and Housing
Body Cylinder: The heart of the hydraulic breaker, bearing extremely high internal hydraulic pressure. It is generally forged from high-strength alloy steel, with high material density to resist impact fatigue.
Housing (Outer Frame): Protects internal precision components. It often uses high-strength wear-resistant steel plates (such as Hardox steel and other alloy steels), possessing deformation resistance. Silent hydraulic breakers also have shock-absorbing material inside the housing to reduce noise.
3. Seals and Auxiliary Parts
Seals (Oil Seals): Due to the high hydraulic oil temperature and large pressure fluctuations during operation, polyurethane (PU) seals are typically used, offering a longer lifespan than ordinary rubber.
Bolts: Through bolts connecting various parts require extremely high tensile strength and are typically made of high-strength alloy structural steel.
Summary: Hydraulic breakers are essentially a combination of high-performance alloy steels, balancing the seemingly contradictory properties of "hardness" and "toughness" through precise heat treatment processes (such as quenching, carburizing, and nitriding).
Our Advantages
We possess a complete hydraulic breaker production line and in-house production capabilities, giving us an advantage in both quality control and cost management.
Our advantages primarily lie in four dimensions:
1. Controlled Entire Supply Chain, Stable Quality
We are not an "assembly plant," but a "manufacturing factory."
From raw material warehousing to heat treatment, precision machining, and final assembly, all processes are completed in our factory. This means that the hardness and toughness of each product undergoes rigorous internal monitoring, resulting in batch stability far exceeding that of outsourced processing.
2. Transparent Core Processes, Producing Robust and Durable Hydraulic Breakers, Reducing Customer Operating Costs
We understand that the biggest risks to hydraulic breakers during use are broken chisels and damaged pistons.
We have our own heat treatment workshop, employing deep carburizing and multi-stage quenching processes to ensure that the piston and chisel are "hard on the outside and tough on the inside," making them not only wear-resistant but also impact-resistant, significantly reducing the risk of breakage.
3. Customization and Rapid Response: Providing the Fastest and Best Solutions to Customers
With a production line comes the authority to make changes.
Because we have our own production line, we can customize adjustments based on your excavator model or special working conditions (such as high-altitude or underwater operations). At the same time, we have ample spare parts inventory, and our after-sales response is more than 50% faster than intermediaries.
4. Ultimate Cost-Effectiveness: Eliminating the markups of intermediaries.
You are directly connected to the source factory, without the markups of agents.
With the same configuration, we can offer you a more competitive factory price, leaving you with a larger profit margin.
PREVIOUS:
Contact Us
E-mail:
Address:
No.130 Yun Zhuang Cun Xin Village, Luoyang Town, Tai Shang Tou Zi District, Quan Zhou City, Fu JianProvince, China
Benhong Machinery
Email：JMFZJJNT@163.COM
No.130 Yun Zhuang Cun Xin Village, Luoyang Town, Tai Shang Tou Zi District, Quan Zhou City, Fu JianProvince, China
Request Quote
Page Copyright 2024 Fujian Benhong Machinery Development Co., Ltd