Hypro - Model FG45FA - Felling Grapple/Energy Felling Grapple
From Felling Grapple
The HYPRO FG45FA felling grapple has been developed for minimal hose routing, low weight and high versatility. If equipped with a suitable threechannel rotator it can freely rotate through 360°. The felling grapple can be used on just about any crane with a rotator, e.g. on trucks, logging trailers or forwarders. It can be used for felling, cross-cutting, loading and unloading timber and thicket alongside roads, along power line corridors, and in park and urban environments, but also of course in conjunction with HYPRO’s tractor processors.
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Product Details
Distinctive features of the HYPRO FG45FA are its fully hydraulic design, with automatic tilt and cross-cutting functions via the “open grapple” and “close grapple” commands, so no additional control system is required in order to operate the felling grapple - just an extra drain line. By means of a hydraulic switch valve, the gripping functions switch over to cutting or tilting following a brief delay. This eliminates the need for multiple valve functions for activating cutting and tilting, while retaining a high level of cutting efficiency. The delay for function switch is adjustable from 0 to 4 seconds. A slightly longer delay is preferable if the grapple is also to be used for loading and unloading felled timber.
Both the cutting and tilt functions are deactivated when the operator releases the control on the joystick. The tilt function and angle for cutting are thereby controllable. Together with the felling grapple's versatility and hydraulic tilting joint, this makes it easy to approach tree trunks or branches at the correct felling angle. The model’s strength is in its tried-and-tested, robust yet low-weight construction, and also in its technical innovation, resulting in a highly efficient product that is nevertheless easy to use.
Technical Data
- Max. cutting diameter: 45 cm
- Tilt angle: 100°
- Weight including tilting joint: 179 kg
- Hydraulic saw motor: 5 cm³/revolution
- Min. oil pressure: 190 bar
- Max. oil pressure: 250 bar
- Min. required oil flow: 50 l/min
- Max. required oil flow: 80 l/min
- Extra hydraulic lines: 1
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