Grasping, Cutting, Aligning - Mechanization of Forestry
The wood grapple can be used as an attachment for hydraulic excavators, allowing it to grasp and hold up to 3 tons of wood. It enables the speedy sorting and loading of large quantities of wood at road construction sites, thinning operations, and lumber markets. Additionally, the wood grapple equipped with a chainsaw can reduce worker fatigue. As a result of years of proven performance, it has minimized damage and penetration into the wood.
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basic information
The grapple for wood is used as an attachment for hydraulic excavators. It operates using hydraulic power sourced from the hydraulic oil pump of the excavator. There are two methods for sourcing the oil: single-line piping and four-line piping. In single-line piping, an electromagnetic valve is placed inside the wood grapple, which distributes the oil flow to two actuators—one for rotating (motor) right and left, and the other for opening and closing the claws (cylinder). The operation method can be controlled via a dedicated grip (electric) installed inside the hydraulic excavator using a switch. In four-line piping, four oil sources are taken from the hydraulic excavator, sending oil to each of the two actuators. The operation method is more complicated compared to the built-in electromagnetic valve, and operation using a dedicated grip (electric) is not possible. There are two types: "suspension type," which is suspended by one pin, and "tilt type," which is fixed by two pins. It is compatible with the new JIS standard for excavator buckets, ranging from 0.08 to 0.45 m³.
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Applications/Examples of results
Active in road construction, thinning, and timber markets. *Timber grapples are used for handling timber.*
Company information
As we enter the 21st century, the social environment surrounding us is undergoing significant changes. In this context, our company has been established as a new entity by taking over the vehicle-mounted and marine crane, loader, grapple, and other divisions of Nansei Co., Ltd., a company with a 58-year history as an industrial machinery manufacturer, with the aim of speeding up management decisions and enabling rapid decision-making in response to market changes. In the new company, we will focus on research and development to anticipate the rapidly changing market and create products that meet customer needs in any environment or condition. We are committed to steadily moving forward while upholding the long-familiar company name "Nansei" and inheriting the corporate culture and technology we have cultivated over the years. We kindly ask for your continued support and patronage, just as you have extended to Nansei Co., Ltd. and Nansei Wintech Co., Ltd. Additionally, please note that the Machinery Sales Department and various sales offices that have been engaged in the sale of forestry machinery and metal recycling machinery will be integrated into Okada Aiyon Co., Ltd. after April 2024. For inquiries regarding cranes, loaders, grapples, etc., please contact your nearest Okada Aiyon Co., Ltd. sales office.
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