Kobelco 300 Ton Crawler Crane Load Chart: A Comprehensive Guide
Are you in the market for a Kobelco 300 ton crawler crane? If so, you’ll want to familiarize yourself with the load chart to ensure safe and efficient operation. This guide will delve into the details of the load chart, covering various aspects such as capacity, radius, and lifting heights. Let’s dive in!
Understanding the Load Chart
The load chart is a crucial tool for crane operators and engineers. It provides essential information about the crane’s lifting capabilities at different radii and heights. The chart is typically divided into sections, each representing a specific radius range. Within each section, you’ll find a series of curves that depict the crane’s lifting capacity at various heights.
When interpreting the load chart, it’s important to note that the capacity values are based on certain assumptions. These assumptions include the crane being on level ground, the load being evenly distributed, and the crane being properly balanced. Keep these factors in mind when using the chart to plan your lifting operations.
Capacity at Different Radii
The load chart for the Kobelco 300 ton crawler crane shows that the capacity decreases as the radius increases. This is due to the increased leverage and the need for more counterweight to maintain stability. For example, at a radius of 10 meters, the crane can lift up to 300 tons. However, at a radius of 50 meters, the capacity drops to around 100 tons.
It’s important to choose the appropriate radius for your lifting operation based on the load’s weight and dimensions. Using the load chart, you can determine the maximum radius at which the crane can safely lift the load. This will help you avoid overloading the crane and ensure a successful lift.
Lifting Heights
The load chart also provides information about the crane’s lifting height at different radii. As the radius increases, the lifting height decreases. This is because the crane’s boom must be extended to reach the desired height, and the increased radius reduces the available height for the load.
For instance, at a radius of 10 meters, the crane can lift up to 60 meters in height. However, at a radius of 50 meters, the lifting height is reduced to approximately 30 meters. It’s essential to consider the lifting height when planning your operation, as it may limit the crane’s ability to reach certain locations.
Counterweight Requirements
The load chart also includes information about the counterweight required for each lifting operation. Counterweight is essential for maintaining the crane’s stability during lifting. The amount of counterweight needed depends on the load’s weight, radius, and height.
For example, at a radius of 10 meters and a lifting height of 30 meters, the crane may require approximately 50 tons of counterweight. As the radius and height increase, the counterweight requirement also increases. Be sure to consult the load chart and follow the manufacturer’s recommendations to ensure the crane remains stable during operation.
Load Distribution
The load chart assumes that the load is evenly distributed. However, in real-world scenarios, loads may not be perfectly balanced. It’s important to consider the load’s distribution when planning your lifting operation.
For uneven loads, you may need to adjust the radius or height to maintain the crane’s stability. Additionally, you may need to use additional equipment, such as slings or spreader bars, to distribute the load more evenly. Always refer to the load chart and consult with a qualified engineer to ensure the safe lifting of uneven loads.
Conclusion
The Kobelco 300 ton crawler crane load chart is a valuable tool for crane operators and engineers. By understanding the chart’s details, you can ensure safe and efficient lifting operations. Remember to consider the crane’s capacity, radius, lifting height, counterweight requirements, and load distribution when planning your lifting operations. Always consult the load chart and follow the manufacturer’s recommendations to maintain the crane’s stability and ensure a successful lift.
| Radius (meters) | Capacity (tons) | Lifting Height (meters) | Counterweight (tons) |
|---|---|---|---|
| 10 | 300 | 60 | 50 |
| 20 | 250 | 50 | 40
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