Rotary drum cutters, also known as rock drum cutters or excavator drum cutters, are highly efficient accessories for rotary drum cutters. With their low vibration, high precision, and strong adaptability, they are widely used in rock breaking, tunnel excavation, and municipal construction. Compared to traditional hydraulic breakers, they offer advantages such as low vibration, high precision, and continuous cutting, solving the pain points of urban construction, tunnel excavation, and mining operations. This article will introduce how to choose a hydraulic drum cutter. If you would like to know a specific price, please contact us immediately.
Rotary Drum Cutter Parameter
| Model | YG140 | YG160 | YG180 | YG240 |
| H | 650mm | 820mm | 830mm | 1395mm |
| W | 410mm | 650mm | 780mm | 960mm |
| D | 390mm | 460mm | 480mm | 620mm |
| Excavator weight | 5~10T | 10~15T | 15~21T | 20~24T |
| Max power | 22Kw | 45Kw | 55Kw | 65Kw |
| Speed | 0~120r/min | 0~100r/min | 0~80r/min | 0~90r/min |
| Flow | 40L/min | 100~110L/min | 130~180r/min | 200~250r/min |
| Max Torque | 3200N.m | 5400N.m | 5600N.m | 12800N.m |
Rotary Drum Cutter Types
1. Horizontal Drum Cutter (Double Drum/Mainstream Model)
The horizontal drum cutter is the mainstream rotary drum cutter on the market. The drum is installed perpendicular to the excavator boom, using a symmetrical double-drum design.
Advantages: Large cutting area, strong stability, high operating efficiency, suitable for large-area crushing, slope trimming, tunnel contour cutting, mining stripping, and other scenarios. As a mainstream product in the drum cutter market, it is compatible with 6-60 ton excavators and is the first choice for general-purpose rotary drum cutters.
2. Axial Drum Cutter (Single Drum/Precision Model)
The axial drum cutter’s drum is parallel to the excavator boom, with a single drum upright design.
Advantages: Compact size, high precision, can enter narrow spaces, trenches, and pile head interiors, suitable for narrow trench excavation, pile head trimming, tunnel corner cutting, shaft crushing, and other precision scenarios. It belongs to the high-end rock drum cutter category, compatible with 8-40 ton excavators, meeting special precision construction needs.
Key Considerations for Selecting a Rotary Drum Cutter
1. Precise Matching of Excavator and Cutter
- Tonnage Matching: 6-9 tons – Small rotary drum cutter; 10-27 tons – Medium model; 30 tons and above – Heavy-duty model.
- Structural Matching: Horizontal model for large-area crushing; Axial model for narrow spaces and delicate operations.
- Hydraulic Matching: Flow rate and pressure should match the cutter’s rated parameters. Insufficient flow will result in powerlessness, while excessive flow will damage the machine.
2. Core Performance and Quality Assessment
- Material: 42CrMo alloy steel for the drum, tungsten carbide alloy for the cutting teeth, wear-resistant and impact-resistant.
- Sealing: Imported NOK seals prevent leakage and have a lifespan three times that of domestic parts.
- Accessories: Standard hydraulic drum cutter accessories (cutting teeth, oil pipes, brackets, tools) reduce additional costs.
Case Study: Non-Explosive Mining Project at a Gold Mine in Melbourne, Australia
The YG series roller milling machines (milling machines) utilize hydraulic drive and heavy-duty roller cutting technology, compatible with 12-45 ton excavators. Available in transverse double-roller and axial single-roller series, they offer advantages such as low vibration, high precision, continuous cutting, and non-blasting operation. They are widely used in hard rock mining, tunnel finishing, slope treatment, and foundation pit breaking. Welcome to inquire about more product information.
Client Background: A large gold mining company in Melbourne, Australia, specializing in open-pit and underground gold mining. The mining area consists of 120MPa gold-bearing quartz hard rock, adjacent to residential areas and ecological protection zones, where blasting is prohibited. Non-blasting methods are required for ore body stripping, slope finishing, tunnel excavation, and ore crushing. The existing hydraulic breakers were inefficient and produced excessive vibration, failing to meet safety, environmental protection, and high recovery rate requirements.
Construction Challenges：
- Low efficiency in hard rock breaking; traditional equipment achieves only 1.8 meters of daily advance, leading to project delays.
- Blasting is prohibited; manual and mechanical breaking is costly and unsafe.
- High vibration damages the ore body, resulting in gold loss and low recovery rates.
- Poor slope and tunnel shaping, frequent over-excavation/under-excavation, and high subsequent repair costs.
- The frequency of equipment maintenance and the short lifespan of vulnerable parts result in high operating costs.
Solutions：
- Purchase 2 horizontal twin-roll cutters (compatible with 20-30 ton excavators) for open-pit ore body stripping and continuous hard rock cutting.
- Purchase 2 axial drum cutters (compatible with 12-18 ton excavators) for underground tunnels, slope finishing, and confined space operations.
- Supplement with carbide cutting teeth, automatic lubrication, shock-absorbing bases, and quick-change couplings.
Performance Results：
Continuous cutting speed in 120MPa hard rock: 0.8-1.2m/min, efficiency increased by 85%, construction period shortened by 58%; forming accuracy ≤±3cm, vibration reduced by 70%, noise ≤82dB. Gold recovery rate increased from 86% to 94%, cutter tooth life reached 600 hours, and maintenance costs reduced by 42%. Enables safe, non-blasting operations, meeting environmental compliance requirements.
Customer Testimonials：
“The YG drum cutter completely solves the problem of non-blasting mining in hard rock. It is highly efficient, low-vibration, and high-precision, significantly improving gold ore recovery rate and reducing costs. The equipment is stable and durable, with fast after-sales response. It is the preferred partner for green and safe mining, and we will continue to expand our procurement in the future.”
Prioritize YG Manufacturer
When purchasing a rotary drum cutter, the core considerations are “matching working conditions + reliable quality + controllable cost.” While off-brand products may be cheaper, they often suffer from inferior cylinders, easily damaged cutting teeth, and leaking seals, resulting in maintenance costs far exceeding the price difference. YG, as a professional hydraulic drum cutter manufacturer, offers a full range of horizontal and axial models with precise specifications, transparent parameters, and uniform pricing, suitable for various rotary crusher needs. YG provides a complete range of rotary drum cutter accessories and a comprehensive after-sales service system, making them the first choice for engineering professionals. If your project also requires excavator attachments to help you complete it faster, please contact us immediately.
