Hydraulic Breaker | OrangeTractorTalks - Everything Kubota

dirtydeed

Well-known member

Equipment B BH77, U27-4R2, BX23TLBM, box blade, rear blade, flail mower, Stump Grinder

Dec 8,

3,536

5,404

113

Wind Gap, PA

• #1

Folks,

I'm looking for suggestions and experiences with hydraulic breakers for a 3 ton class machine. This would be for a U-27 mini excavator to tackle mostly concrete sidewalks and some asphalt driveways.

I have noticed that some manufacturers are using a built in accumulator instead of the typical nitrogen charge for breakers. That's quite interesting.

North Idaho Wolfman

Moderator

Equipment LDT-GST, Woods FEL, B HSD, FEL, 60" SB, 743 Bobcat with V, and more

Jun 9,

33,553

8,803

113

Sandpoint, ID

• #2

I have a couple subs that have breakers and both hate having them on their machines.
They beat the living snot out of every joint in the boom.

I've seen the type of work you do and yea a good Mini Ex breaker would help you, and make it more efficient.

My advice is if you do get one, grease the joints more often to help with the extra wear. Reactions: 1 user

dirtydeed

Well-known member

Equipment B BH77, U27-4R2, BX23TLBM, box blade, rear blade, flail mower, Stump Grinder

Dec 8,

3,536

5,404

113

Wind Gap, PA

• #3

I have a couple subs that have breakers and both hate having them on their machines.
They beat the living snot out of every joint in the boom.

I've seen the type of work you do and yea a good Mini Ex breaker would help you, and make it more efficient.

My advice is if you do get one, grease the joints more often to help with the extra wear.

Sean,

I would agree, but having one would save many hours on the jobs. Greasing often- yes, I've heard that they need grease every 2-3 hours.

I've seen one recently (Trojan TH-35) for approx $2,700. This unit came with charging kit, several bits and Skid steer mount. I would have to get some bucket ears and have a mounting plate made up. I just don't know about the quality.

North Idaho Wolfman

Moderator

Equipment LDT-GST, Woods FEL, B HSD, FEL, 60" SB, 743 Bobcat with V, and more

Jun 9,

33,553

8,803

113

Sandpoint, ID

• #4

Sean,

I would agree, but having one would save many hours on the jobs. Greasing often- yes, I've heard that they need grease every 2-3 hours.

I've seen one recently (Trojan TH-35) for approx $2,700. This unit came with charging kit, several bits and Skid steer mount. I would have to get some bucket ears and have a mounting plate made up. I just don't know about the quality.

Looked them over with reviews, and they look and sound pretty decent.
Do you know what size pins you need?

dirtydeed

Well-known member

Equipment B BH77, U27-4R2, BX23TLBM, box blade, rear blade, flail mower, Stump Grinder

Dec 8,

3,536

5,404

113

Wind Gap, PA

• #5

Looked them over with reviews, and they look and sound pretty decent.
Do you know what size pins you need?

Nope. Since I have a mechanical quick connect on the machine I was thinking I would just have a something welded up. Two bucket ears welded to a plate fastened to the breaker.

In construction and demolition projects, the hydraulic breaker hammer is crucial for efficiently breaking through rigid materials such as concrete and rock, significantly accelerating project progress. This guide thoroughly examines the essential factors when choosing the proper breaker hammer for excavators or mini excavators. It delves into matching hydraulic hammer specifications (including impact energy class) with excavator (or skid steer) capabilities to ensure optimal performance and avoid potential equipment damage. Furthermore, this article explores the financial considerations of renting versus purchasing a breaker hammer. It provides industry professionals with a comprehensive analysis to make informed decisions based on their specific project requirements and economic constraints.

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Overview of Hydraulic Hammers

Hydraulic breaker hammers are high quality hydraulic hammers fitted to excavators (and skid steers) for demolishing concrete structures or rocks. They are widely used in the construction, mining, and demolition industries. This overview will discuss hydraulic breaker hammers’ design, function, and applications, providing insights into why they are indispensable tools in these sectors.

Design and Function

A hydraulic breaker hammer converts the hydraulic energy provided by the excavator machine into mechanical energy delivered as powerful blows. The core components of a hydraulic breaker include the piston, cylinder, and chisel. Here’s how they work:

1. Hydraulic System: The excavator’s hydraulic pump sends pressurized fluid to the hammer’s hydraulic motor or cylinder, propelling the piston inside the cylinder.
2. Piston Movement: The piston moves at high speed (lubricated by generous oil flow), delivering a powerful impact force to the tool bit or chisel attached at the end of the breaker.
3. Chisel: The chisel is the part of the breaker that interacts directly with the material to be broken. Made from hardened steel, it can come in various shapes (e.g., pointed, flat, or blunt) depending on the specific application.
4. Energy Recovery System: Some advanced models include an energy recovery system (often as a part of the mounting bracket) that uses the rebound energy from the chisel strike to increase the power of the next blow, improving efficiency.

Applications

Hydraulic breaker hammers are versatile tools known for incredible reliability that are used in a variety of applications:

1. Construction: In construction, they are used to break up concrete in road buildings or foundations and to adjust existing structures.
2. Demolition: Breaker hammers are critical in demolition projects, breaking down buildings, concrete structures, and other fixed infrastructure into manageable pieces for removal or recycling.
3. Mining: In mining operations, breaker hammers break up rock to access mineral deposits and perform controlled demolition when explosives are unsuitable.
4. Quarrying: The hydraulic hammer for excavators also finds applications in quarrying, as it extracts stone from quarries.

Benefits

Hydraulic breaker hammers offer several benefits:

1. Efficiency: They provide a quick and efficient method of breaking up hard materials, significantly reducing the time and labor involved compared to traditional methods.
2. Precision: Hydraulic breakers deliver precise blows, allowing for controlled demolition and minimizing the risk of damaging surrounding structures or materials.
3. Versatility: Different chisel attachments allow them to be adapted for various materials and tasks, enhancing their utility across multiple industries.
4. Safety: By reducing the need for manual hammering, they minimize physical strain and exposure to vibration, reducing the risk of injury to workers.

Hydraulic breaker hammers are essential tools that enhance productivity and safety in construction, mining, demolition, and quarrying. Their robust design and powerful and precise braking capabilities make them invaluable in any setting where hard materials must be efficiently broken down.

Choosing the Right Breaker Hammer for Your Excavator

Selecting the correct breaker hammer for your excavator is crucial for enhancing operational efficiency and achieving optimal results in construction and demolition projects. This section will guide you through matching the right breaker hammer to your excavator, considering the technical compatibility, the variety of breaker hammers available, and the specific requirements of your projects.

Understanding Excavator Specifications

The compatibility between the excavator and the breaker hammer is fundamental to ensure efficient and safe operations. Here are the key specifications to consider:

1. Hydraulic Flow and Pressure Requirements: Each breaker hammer requires specific hydraulic flow and pressure for optimal operation. Matching these requirements with your excavator’s hydraulic system capabilities is imperative. Unmatched flow or pressure can lead to poor performance and damage the hydraulic system and the breaker.
2. Excavator Weight Class: Breaker hammers are designed for excavators of specific weight classes. The breaker’s weight should suit the excavator’s size to maintain balance and efficiency. A hammer too large can strain the excavator’s hydraulic system and structural integrity, while a small hammer may be inefficient.
3. Carrier Compatibility: To ensure a proper fit, the breaker hammer’s mounting system should be compatible with your excavator. A good fit is essential for effectively transmitting force and the machine’s stability during operation. Improper mounting can lead to increased wear and tear and potentially hazardous operational conditions.

Types of Hydraulic Breakers

Different types of breaker hammers are designed to suit various environments and tasks. Understanding these can help you choose the right one for your needs:

1. Silenced Breakers: These breakers are enclosed within a sound-mitigating housing that significantly reduces noise output. These are typically known as box hydraulic breaker hammers. They are ideal for urban or residential areas where noise pollution is a concern. They help comply with local noise regulations without sacrificing performance.
2. Vibration-Reduced Breakers: Equipped with advanced vibration-dampening technology, these breakers minimize the vibrations transmitted to the operator. This not only improves operator comfort and reduces fatigue but also prolongs the lifespan of the excavator’s arm by reducing stress.
3. Automatic Power Adjustment Breakers: These breakers feature automatic adjustment capabilities, allowing them to alter their impact energy based on the hardness of the material they encounter. This adaptive feature ensures optimal energy usage, improving efficiency and reducing wear.
4. Selector Grab and Monobloc Breakers: Selector grab breakers offer versatility with easy tool changes, which can benefit projects requiring multiple braking modes. Monobloc breakers, built from a single piece of steel, offer enhanced durability and lower maintenance due to fewer moving parts.

Project Considerations

The choice of breaker should also be tailored to the specific conditions and requirements of the project:

1. Nature of the Project: Different types of projects, such as demolition, trenching, or excavation, require different breakers. For example, a heavily reinforced concrete demolishing project would benefit from a robust breaker designed for high-impact energy.
2. Material Hardness and Volume: The material’s hardness is a decisive factor in selecting a breaker. More complex materials demand breakers with higher impact energy to break them efficiently. The volume of material to be processed also affects the choice; larger volumes may require a more powerful breaker to maintain productivity.

By carefully assessing these factors—understanding the excavator’s capabilities, choosing the appropriate type of breaker, and considering the project’s specific needs—you can effectively select a hydraulic breaker hammer that not only fits your excavator but also maximizes productivity and efficiency for your construction or demolition projects.

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Cost Analysis: Renting vs. Buying a Breaker Hammer

Deciding whether to rent or buy a breaker hammer involves a detailed cost analysis to determine the most economically viable option based on the project’s duration and financial implications. This section will explore the cost considerations for renting and purchasing a breaker hammer, examining the short-term and long-term economic impacts and highlighting the advantages and disadvantages of each option.

Short-term vs. Long-term Projects

The decision to rent or buy often hinges on the projected duration of your projects:

1. Short-term Projects: Even if considering purchasing at the absolute best prices, renting a breaker hammer can be more cost-effective for projects of limited duration (days to a few months). Renting avoids the long-term commitment of purchase and can be particularly advantageous if the use of the hammer is not expected to be recurrent. The rental option allows for significant maintenance, storage, and transportation, savings the rental company typically handles.
2. Long-term Projects: For long-term projects or when multiple projects are planned over several years, purchasing a breaker hammer may be more economical. Ownership eliminates recurring rental costs and can be cheaper over an extended period. Additionally, owning the equipment provides the flexibility to use the hammer whenever needed without the constraints of rental availability and rental periods.

Financial Considerations

Understanding the full spectrum of financial implications for both renting and buying is crucial:

1. Initial Investment: Purchasing a breaker hammer requires a significant upfront investment compared to renting. For businesses with limited capital, renting can preserve cash flow and reduce financial burden.
2. Maintenance and Operational Costs: Owners of breaker hammers are responsible for ongoing maintenance, repairs, and operational expenses such as fuel and lubricants. Renters generally do not bear these costs, as they are typically covered within the rental agreement, barring any damage or misuse stipulations.
3. Depreciation and Resale Value: Purchasing a breaker hammer subjects it to depreciation. However, well-maintained equipment can retain significant resale value, offering a return on the initial investment. This aspect needs to be weighed against the depreciation costs when considering purchase.
4. Tax Implications: Ownership may provide tax benefits such as depreciation deductions, which are unavailable when renting. Businesses should consult financial advisors to understand the tax implications of purchasing versus renting.

Rental Advantages and Disadvantages

Breaker hammer rental offers distinct advantages and some potential drawbacks:

Advantages:

• Lower Initial Cost: Renting requires a much lower initial financial outlay.
• Flexibility: Access to hammer models suited to specific jobs without the long-term commitment.
• Maintenance-Free: Generally, the rental company handles all maintenance for the breaker hammer rental, reducing the renter’s logistical burden.

Disadvantages:

• Higher Long-Term Cost: Over an extended period, the total rental fees can exceed the cost of purchasing a hammer.
• Availability Issues: Depending on the rental company’s inventory, the desired hammer may only sometimes be available, potentially causing delays.

Buying Advantages and Disadvantages

Purchasing a breaker hammer also has its advantages and limitations:

Advantages:

• Long-Term Savings: Over even a short time period, the cost of owning a hammer becomes more economical than repeated rentals.
• No Usage Restrictions: Owners can use the hammer without limitations on usage time or additional rental fees.
• Asset Ownership: Provides the ability to resell the hammer and recover part of the investment.

Disadvantages:

• Upfront Cost: Requires a significant initial investment.
• Maintenance Responsibility: Owners must manage and pay for all maintenance, storage, and transportation.

In conclusion, renting or buying a breaker hammer should be based on a thorough analysis of project duration, financial capacity, operational needs, and long-term business strategies. This approach ensures the decision aligns with immediate project requirements and broader financial objectives.

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