An excavator demolition shear is a hydraulic attachment that cuts steel structures, concrete rebar, and scrap metal. It mounts on an excavator arm and uses hydraulic pressure to close two powerful jaws. This tool is essential for demolition projects, bridge dismantling, and recycling yards. The shear helps operators process materials quickly on site. If you need a reliable cutting tool for heavy jobs, contact YG to learn more about our excavator demolition shear models.
YG Excavator Demolition Shear-OEM Support
Choosing the right shear starts with understanding the specifications. The following table shows the main parameters for our YG series shears. These numbers help you match the attachment to your excavator and job needs.
| Product | Excavator-mounted hydraulic demolition shear for waster scrap rebar | ||||
| Item | YG-620 | YG-1413 | YG-2200 | YG-2977 | YG-4052 |
| Weight kg | 620 | 1413 | 2200 | 2977 | 4052 |
| Max. Open Size mm | 334.4 | 540 | 500 | 660 | 801 |
| Width mm | 864 | 1175 | 1370 | 1600 | 1700 |
| Height mm | 1521 | 2050 | 2380 | 2600 | 2700 |
| Effective Shear Depth mm | 286 | 348 | 486 | 578 | 736 |
| Rotating Way | 360 collision | 360 hydraulic | |||
| Working Pressure Bar | 235 | 300 | 320 | 320 | 320 |
| Bottom Shear Force T | 81.2 | 138.2 | 171.2 | 330.2 | 387.2 |
| Medium Shear Force T | 50.2 | 80.2 | 100.2 | 189.2 | 218.2 |
| Tip Shear Force T | 32.2 | 53.2 | 75.2 | 127.2 | 147.2 |
| Applied Excavator Weight T | 5-9 | 10-19 | 20-25 | 28-35 | 38-50 |
These attachments use thickened wear-resistant steel plates. This extends the service life of core cutting parts. You do not need frequent blade replacement during heavy daily work. The internal hydraulic circuit reduces oil leakage. This keeps steady power output during repeated cutting cycles.
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How the Excavator Demolition Shear Works
The excavator scrap shear uses the host machine’s hydraulic system for power. Here is the step-by-step process.
First, the operator sends hydraulic oil from the excavator to the shear’s cylinder. This action pushes the movable jaw toward the fixed jaw. The two sharp blades grip the target material tightly.
Second, the continuous hydraulic pressure generates strong squeezing force. This force splits metal beams, concrete structures, and rebar. A built-in buffer inside the cylinder softens sudden impact when blades close fully. This protects both the attachment and the machine arm.
Finally, reversing the control lever changes oil flow direction. This opens the jaws again for the next cut. The whole cycle takes only seconds, depending on the model.
4 Main Advantages of the Excavator Scrap Shear
Using a steel shear for excavators offers clear benefits over other methods. These attachments improve safety, speed, and material quality.
1. High Cutting Force
Hydraulic shears deliver immense force at the blade tips. Models like the YGD380 produce 2940 KN of shear force. This power allows you to cut thick steel and heavily reinforced concrete in one bite. You get consistent performance throughout the entire cutting cycle.
2. Low Vibration and Noise
Compared to jackhammers, demolition shears produce less vibration. This feature is important for urban projects near sensitive structures. Operators can work longer without causing structural damage to nearby buildings. Low noise also helps meet strict city regulations.
3. Precise Separation of Materials
The shear allows for selective demolition. You can cut rebar from concrete and separate steel from other debris. This precision improves the quality of scrap metal for recycling. It reduces the need for secondary processing at the yard.
4. Replaceable Wear Parts
The main blades and piercing tips are designed for easy replacement. You can change worn parts on-site using standard tools. This reduces downtime significantly. The bolt-on design makes maintenance simple and quick.
4 Applications of the Excavator Demolition Shear
The excavator demolition shear is a versatile tool for many industries. Here are the common use cases.
Building Demolition
Workers use shears to cut steel support beams and waste steel pipes. They break down reinforced concrete frames into small pieces for transport. The tool can process large building debris efficiently.
Scrap Metal Recycling
Scrap yards use the excavator scrap shear to cut car frames and waste steel rails. They also process thick metal containers. Cutting these items makes storage and resale much easier.
Bridge Dismantling
Bridge deck reconstruction requires cutting through thick concrete and rebar. The shear cuts the reinforcing rods along the bridge structure. Operators can also use the tool as a grapple to pick up debris.
Road and Infrastructure Work
Road renovation sites rely on shears to remove old metal guardrails. They also cut waste bridge steel structures. The tool helps clear sites fast for new construction.
Why Choose YG for Your Excavator Demolition Shear
YG is a professional factory specializing in hydraulic attachments. We understand the daily demands of demolition and recycling work. Our shears are built for durability and consistent performance.
We offer a range of models to fit excavators from 22 to 45 tons. Each product undergoes strict factory testing before shipping. We guarantee stable performance under long-hour continuous use.
Our team provides technical support to help you select the right model. We also offer fast delivery and spare parts availability. Contact YG today to discuss your project needs and get a quote.
Frequently Asked Questions about Demolition Shear
Q: What size excavator do I need for a demolition shear?
A: Our YG shears fit excavators from 22 tons up to 45 tons. Choose the YGD280 for 22-27 ton machines, the YGD380 for 28-36 tons, and the YGD480 for 37-45 tons.
Q: Can the shear cut both steel and concrete?
A: Yes. The primary purpose is cutting steel rebar, beams, and structures. For concrete, the shear breaks it by crushing force. It works best on reinforced concrete where steel needs cutting.
Q: How often do I need to replace the blades?
A: Blade life depends on material hardness and daily usage. The blades are made from hardened tool steel and are replaceable. You can flip or change them on-site in about 30 minutes using standard tools.
Q: Does the shear rotate for different angles?
A: Yes. Most demolition shears come with a 360° rotation option. This allows precise positioning without moving the excavator. It is very useful for complex demolition tasks.
Q: What maintenance does the shear need daily?
A: Daily checks include greasing pivot points and checking hydraulic hoses. Inspect blades for wear or damage before starting work. Keep the hydraulic system clean to extend valve and bearing life.
