Durable Excavator Rock Arm For Heavy Excavation And Rock Breaking
Durable Excavator Rock Arm for Heavy Excavation and Rock Breaking
What is an excavator rock ripper boom/rock boom?

Rock Boom Seperate-arm Ripper VS Rock Boom Mono-arm Ripper
| Rock Boom Seperate-arm Ripper | Rock Boom Mono-arm Ripper | |
| In weight | A 50-ton excavator weighs 21-22 tons | A 50-ton excavator weighs 17.5-19 tons |
| In appearance | The boom cylinder is no different from the standard boom cylinder, with single oil inlet and single oil return. | The arm and the ripper are integrated into one design, a one-piece style. |
| In stick cylinder | The boom cylinder is no different from the standard boom cylinder, with single oil inlet and single oil return. | The arm cylinder has double oil inlet and double oil return (it integrates the oil inlet and oil return of the bucket cylinder into the arm cylinder). |
General Arrangement Drawing
Suitable Working Conditions for Excavator Rock Arms:
* Suitable for granite, basalt, and other hard rocks.
* Commonly used in mining and quarrying for efficient rock breaking.
2. Handling Weathered Rocks and Shale
* Ideal for excavating and breaking weathered rocks and layered shale.
3. Tunneling and Underground Projects
* Effective for hard rock excavation in tunnels and underground construction.
4. Foundation and Demolition Work
* Used in deep foundation excavation and breaking hard concrete structures.
5. River and Coastal Projects
* Excavating hard riverbeds and supporting coastal protection works.
6. High-Intensity, Abrasive Operations
* Perfect for tough environments with frequent rock breaking tasks.


High precision machine of Zhonghe Machinery Manufacturers
Large floor-standing double-sided boring and milling lathe:
- Accuracy and Consistency Improvement: Double-sided boring and milling machines enhance the precision and uniformity of operations.
- Post-Welding Processing: After welding is completed, the machine bores the overall hole, ensuring the shaft hole's parallelism and verticality.
- Key Responsibility: It is primarily used for post-welding boring of large and small arms and buckets, ensuring the accuracy of the arm.
- Simultaneous Boring on Both Sides: The double-sided boring machine performs boring on both sides at the same time, guaranteeing consistent accuracy on both sides.
About Zhonghe Machinery Company Profile:
Kaiping Zhonghe Machinery Co.,Ltd. established in 2018, it is a combination of manufacturing and trading, specializing in customizing different kinds of excavator boom arms and attachments. We are located in cuishanhu New District. Kaiping cityJiangmen City. Guangdong Province, China. We boast a 21000m3 steel structure workshop with a large number of high precision processing equipment and a strong and cohesive team of over 100 experienced technical staff. 50 welding workers with over 7 years experience. 30 senior designers, and a high-tech R&D team(10+ years on customization.100+technical patents), strict production system(6+ years quality control and cost control) and warm-hearted service team. Our annual output of various types of excavator boom arms can reach up to 800 sets.
CE certification & Utility model patent certificates
Our products have been sold to more than 60 countries, and our transportation methods include sea transportation, land transportation, and air transportation. Our packaging is wooden box packaging or stretch film packaging. The goods will be packed before shipment and then loaded into the container to ensure the safety of the goods.
Packaging & Shipping
FAQ(Some frequently asked questions):
Q:What are the configurations of the rock arm?
A:1. Split rock arm configuration: one set of large and small arms, one arm cylinder, one bucket cylinder, one ripper, four high-pressure hoses, and seven pins.
2. Integrated rock arm configuration: one set of large and small arms, four pins, four high-pressure hoses, and one arm cylinder
Q:How long does it usually take to produce a rock arm?
A:After the customer pays a 30% deposit, it usually takes 20-35 days to complete. We can deliver on time.
Any information, pls contact Sophia!
this is my contact way directly
Sophia W/A: +86 18127591702
Mail: sophia@excavatorboomarm.com
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