Short Arm Excavator Importers Local Excavator Short Arm Dealers Best Tunnel Boom Suppliers in China Tunnel Arm
I. Advantages of Excavator Tunnel Arm/Short Arm
Advantages of Excavator Tunnel Arm/Short Arm:
Advantages of Zhonghe Machinery
1. Professional product design team, rich experience, strong design pertinence.
2. Automated processing equipment. Automatic cutting, double-sided floor-standing large boring machine, etc.
3. Industry standard welding process, carbon dioxide shielded welding, good weld crack resistance.
4. Strict and meticulous quality inspection, ultrasonic flaw detection
| excavator(ton) |
total length (mm) |
boom(mm) | arm(mm) |
max height (mm) |
max depth(mm) |
| 20-25T | 1300 | 3200 | 1900 | 4500 | 8500 |
| 30-36T | 4200 | 4200 | 1900 | 5000 | 10500 |
| 40-45T | 4500 | 4500 | 1900 | 5000 | 11000 |
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Working scene of tunnel arm
Special design----meet customer needs !!!
What Are the Benefits of Tunnel Arm Modification?
1. Modifying the tunnel arm enhances its operational range, allowing it to adapt to various working conditions without the risk of colliding with beams in tunnels or basements.
2. After modifications, the ability to use larger breakers is possible; for instance, the PC120 can support a 135 breaker and the PC200 a 165 breaker, requiring an increase in double pump confluence to effectively double the impact force.
3. The shorter boom enables the tunnel arm to lift larger buckets more effectively, as reduced torque translates into greater force.
4. Incorporating a stop valve prevents oil leakage when using a bucket instead of a breaker.
5. Multi-layer welding on the pipe joints significantly reduces the likelihood of oil leaks.
6. The cylinder guard offers protection against damage from collisions.
7. Our services are provided at factory prices, including options for customization through ODM and OEM.
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|| Excavator Tunnel Arms Suitable For Application
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What is the purpose of beveling the long arm/tunnel arm plate?
Most welding machines commonly used in the industry have a penetration depth of only 3mm. Since the thickness of our long arm plate is at least 8mm, without beveling, the welder would not be able to fully penetrate through the entire joint. This would result in weak welds, leading to issues such as weld cracking in the future.
We employ mechanical beveling, whereas other factories rely on manual beveling (as shown in the figure).
Large Floor-Standing Double-Sided Boring and Milling Lathe:
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About Zhonghe Machinery Company Profile:
Kaiping Zhonghe Machinery Manufacturing Co., Ltd.
1. Founding Year: Kaiping Zhonghe Machinery Co., Ltd. was launched in 2018.
2. Specialization: We focus on manufacturing and trading customized excavator booms and accessories.
3. Location Details: Our facility is in Cuishan Lake New District, Kaiping City, Jiangmen, Guangdong Province, China.
4. Workshop Size: We maintain a 21,000 m³ steel structure workshop equipped for production.
5. Machinery Details: Our workshop features advanced high-precision processing machinery.
6. Team Composition: Our workforce includes over 100 technicians, comprising:
7. Innovation and R&D: Our R&D team has over 10 years of experience and holds over 100 technical patents.
8. Production System: We implement a strict quality control system, developed over 6 years for cost management.
9. Production Capacity: We can produce up to 800 sets of different types of excavator booms each year.
10. Customer Service: We prioritize quality and customer satisfaction, encouraging global partnerships.
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CE certification & Utility model patent certificates
Our products have been exported to over 60 countries, utilizing various transportation methods such as sea, land, and air freight. For packaging, we use either wooden crates or stretch film to secure the products. Before shipment, the goods are carefully packaged and then loaded into containers to ensure their safety during transit.
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Packaging & Shipping
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FAQ(Some frequently asked questions):
Q1: Are you a manufacturer?
A1: Zhonghe Machinery provides a wide variety of attachments for excavators. Such as long arms, demolition arms, telescopic arms, standard buckets, rock buckets, cleaning buckets, tilt buckets, etc. We know that the perfect combination of high-quality cast steel products and moderate prices is the key to success.
Q2: Why is it called a tunnel arm?
A2: Tunnel arms generally refer to working devices that operate in narrow spaces. Most of them operate in tunnels, so they are called tunnel arms. Each country has a different name, but in China we call it a tunnel arm.
Any information, pls contact Ada!!!!
Whatsapp: +86 15322105263
Wechat/Tel: 0086 15322105263
E-mail: abby@excvatorboomarm.com
