Hydraulic Breakers for Excavators | Jack Hammers | Epiroc
Hydraulic breakers are the oldest hydraulic attachments for carriers. The first serial manufactured rock breaker was the Krupp HM 400 in 1967 and the patent was secured in 1963. Excavator jack hammers are impact devices designed to break any kind of rock or concrete with any hardness or physical property.
HB 2000 | Epiroc US
Hydraulic breaker HB 2000 for excavators of 22-38 tons (48,500-84,000 lb), used in demolition, mining, quarrying, trenching, rock excavation, etc. ... Impact rate 300 blows/min - 625 blows/min: Sound power level, guaranteed ³ ... Our concrete and rock breaker ranges for excavators of 0.7 - 140 tons. Read more. Close. DISCOVER. Products ...
Hydraulic Breaker Owner s Manual
fatigue. The breaker must be at a 90° angle to the face of the rock. (D)Blank-firing Blank-firing the breaker without the tool pressing on a rock causes the energy that normally travels out the tool into the rock (8), to impact the retainer pins (9) and front head causing excess stress to these components.
High Performance Rock Breaker | Aussie Buckets
The High Performance Rock Breaker is a dependable and powerful tool for demolishing tough materials in construction, mining, and quarrying. Its precision control, operator-oriented design, and high impact force delivers exceptional efficiency, productivity, and safety. Additionally, its superior durability and ease of maintenance make it the ...
Comparative Analysis of Machine Learning Approaches …
The single-blow impact energy equation is shown in Equation (1). E i = CF2 At p Etrt Zt n t1 e2dt (1) The impact energy equation is shown in Equation (2). E = 1 25 25 å i=1 Ei (2) Ei is the impact energy generated by a single strike of the tool; CF is a correction factor [6–8] derived by performing a static calibration test with the test ...
Hammers/breakers — 5,000 to 7,000 pounds | Equipment World
Hammers/breakers — 5,000 to 7,000 pounds. Jun 12, 2007. Busting up reinforced concrete or hard rock is a pretty straightforward demolition application. If you're tasked with concrete or rock ...
Rock Breaking Hydraulic Hammers
THOR THS20 Side Type Hydraulic Rock Breaker / Rock Hammer. To Suit 1.3 – 3.0 Tonne Excavator. Impact Energy Class – 284 Joules; Blows Per Minute – 700 – 1200; Operating Weight – 90 kg; THOR THS30 Side Type Hydraulic Rock Breaker / Rock Hammer. To Suit 2.5 – 4.5 Tonne Excavator. Impact Energy Class – 427 Joules; Blows Per Minute ...
Montabert South Africa > Products > XL Hydraulic Rock Breakers
XL1700 Hydraulic Rock Breaker. Patented blank firing protection, protecting the critical parts from premature wear and tear. Nitrogen chamber equiped with high performance seals, avoiding inopportune refills. Durable suspensions, which deflect vibrations from the breaker and carrier, therefore preventing excavator boom and housing cracks.
COBRA GAS DRIVEN BREAKERS ~ PROe ~TTe ~ Combi
The Cobra™ PROe breaker is the heavy hitter in the range. Clocking up an incredible 44 ft.lb at the tool tip, it delivers enough impact energy to handle silica rich rocks and reinforced concrete. In fact, it offers the same power to weight ratio as many pneumatic or hydraulic breakers, but without being tied down to a power source or hoses.
Performance prediction of hydraulic breakers in …
For Group 3 only, 1868 working days are re-quired for the excavation of almost 42% volume of the rock mass using the 2C light duty rock breaker. As a comparison, the 2C breaker produces 27 hp, which is approx. 40% lower than the power of the 1B breaker used in scenario 1 (1B produces 47 hp).
Premium breaker range | Epiroc
Hydraulic rock and concrete breaker for excavators of 0.7-140 tons Our hydraulic hammers are suitable for carriers of 0.7-140 tons. We invented the hydraulic breaker 50 years ago.
An updated formula and method to predict the performance of impact
The most important part of this research is the determination of the energy spent during breaking of rocks by impact hammer. For this purpose, a new laboratory equipment called Impact Hammer System (IHS) has been developed [8], [9] (Fig. 1).By the help of this equipment, minimum breaking energies of rock samples with different …
How a Drop Hammer Attachment Works and Why You …
Since the blunt shaft is transferring the impact energy to a larger section of slab with each blow, it fractures a greater area and does an excellent job of separating the rebar from the concrete, making cleanup faster and easier and preventing damage. ... This is very affordable in comparison to hydraulic breakers which generally start around ...
Rock fragmentation control in opencast blasting
The Kuznetsov equation relates the mean fragment size to the quantity of explosives needed to blast for a given volume of rock. The Kuznetsov equation is (2) k 50 = A ( V Q) 0.8 Q 1 / 6 where k50 is the average fragment in cm, A is a rock factor, V is the rock volume in m 3 broken per hole (burden × spacing × bench height), and Q is the …
Rock-Breakers
All our Make in India Rock Breakers are CE certified, from our ISO certified plant. ... Impact Rate. 800 – 1400 BPM. DOZCO 200A. View Product. Operating Weight. 176 Kg. Tool Diameter. 45 mm. Operating Pressure. 90 – 120 bar. Impact Rate. 700 – 1200 BPM. DOZCO 300A. View Product. Operating Weight.
Rock Breaker 101
The heavier the head of the rock breaker, the more power it has. It can break larger rock slabs more easily and efficiently. On the other hand, lighter heads produce less power. These are often used for breaking smaller rock pieces. Choose Rasmussen. Rasmussen Equipment has been proudly serving the Utah area since 1947.
Essential breaker range | Epiroc US
Your reliable hydraulic breaker for day-to-day jobs. Our durable workhorses that will just go on working. ... Rock drills and rotation units. Go to Rock drills and rotation units. ... Impact rate AutoStop mode: 650 bpm - 850 bpm; Tool diameter: 100 mm 3.94 inch; Sound power level, guaranteed ³: 118 dB(A) Show more. Add to comparison.
HB 4700 | Epiroc
160 bar - 180 bar. 2 320 psi - 2 610 psi. Impact rate. 280 blows/min - 540 blows/min. Sound power level, guaranteed ³. 126 dB (A) Weights apply to standard carriers only. Any variances must be agreed with Epiroc and/or the carrer manufacturer prior to attachment. Attachment with standard working tool & average-sized adapter plate.
Environmental impact of rock excavation in urban areas: comparison …
Abstract. This paper compares the two most used rock excavation techniques in urban areas: blasting with explosives and using breaker hammers. From the follow-up of several works, data has been obtained that allow us to compare both techniques and their effects over the surrounding environment, mainly the noise …
7 Best Concrete Breakers: for Heavy-Duty Demolition (2024)
Silverstorm 1500W Electric Concrete Breaker. 1. Einhell 4139087 Demolition Hammer TC-DH 43 [ SAVE 4% ] Whether you're looking to break up concrete slabs, paving or tarmac, the Einhell 4139087 Demolition Hammer TC-DH 43 has sufficient power for the job. This electric concrete breaker is a great choice for domestic use, capable of tackling ...
Fx45a/55a | Small Series Hydraulic Rock Breakers
In this study, the instantaneous breaking rate (IBR, m3/h) of an impact hammer used in construction of Levent-Hisarüstü metro tunnel (Istanbul) is recorded in detail. Sixty rock samples are ...
Review of Linear Electric Motor Hammers—An Energy …
The main dynamical parameters in the rock-crushing process by hammers are as follows: strike length L; impact energy E; impact frequency f; and impact efficiency η. For hard rocks, longer strokes are better, while shorter and higher frequency impacts are used for softer rocks to reduce unnecessary energy losses, which improves the …
Modeling of vibration response of rock by harmonic impact
This paper presents the modeling of vibration response of rock by harmonic impact, showing the results of the numerical analysis and the indoor experiments. The amplitude-frequency characteristic curve of rock in steady state response is investigated based on the principle of vibration. Three main control parameters are …
Impact Energy Measurement of a Hydraulic Breaker
A hydraulic breaker for construction machinery generally used for the destroying and disassembling of buildings, crashing road pavement, breaking rocks at quarry and so on. So the measurement of the impact energy of a hydraulic breaker is very important thing to prove its capability to manufacturers and customers. In this study, the test system for …
How to Specify a Hydraulic Breaker | Construction Equipment
"For constant full impact, when you just need to hit hard with every stroke the same force and frequency to break up hard rock, gas fired breakers such as 's G-series are very productive," Scarfia says. "Seventy-five percent of gas-fired hydraulic breaker energy is produced by nitrogen and the remaining energy is hydraulic.
TEX P60S
TEX P60S. The TEX P60S are hand-held light and medium pneumatic breakers designed for vertical use demolition of materials such as concrete, asphalt and brickwork. TEX P60S is a solid body concept from a single cast reduces the need for bolts that might break. The anvil block has been refined to handle and deliver impact energy.
MX FUEL™ Demolition Breaker | Milwaukee Tool
Vibration 4.9m/s². Soft Start Yes. Equipment Warranty 2 year. Battery Warranty 2 year. Push Button Activation Yes. ONE KEY Compatible Yes. Chuck Size 1-1/8" HEX. MILWAUKEE® MX FUEL™ Breaker delivers a Faster, Safer, Easier Concrete Demolition experience. The demolition hammer is the most productive with the lowest vibration on …
Demco Rock Breakers | Earthworm
Demco Rock Breakers. Premium Hydraulic Rock Breakers for the Heaviest Industrial Applications. SHOP ONLINE. Demolition Attachments; Augers & Drive Units; ... Impact Energy (J) Impact Frequency (Bpm) Tool Diameter (mm) Add to quote; DMB15 165 1 - 3 20 - 35 110 Bar 230 600 - 1150 50: DMB21 250 2.5 - 6 45 - 70 120 Bar ...
Hydraulic breaker
hydraulic breaker THOR 62. for excavators vertical. Rated power: 1,500 W. Carrier weight: 600 kg - 2,200 kg. Hydraulic hammer (for drilling head TR150, TR350, TR600) max. blow rate per minute: 1250 blow energy: …
Methods of Mechanical Mining of Compact …
This paper compares the methods of mechanical mining of rock in terms of their efficiency, energy consumption, and the durability of the tools they involve. It presents the advantages of mechanical heading …