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Laser-based systems for grading and excavating

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article image Trimble’s new Spectra Precision Laser machine.

TRIMBLE has introduced a portfolio of laser-based machine display and control systems for grading and excavating applications.

The new Spectra Precision Laser machine systems are highly flexible, extremely rugged and can be used on a wide range of machines, including dozers, backhoes, scrapers, skid steers and excavators. On a dozer, the system can be upgraded for automatic blade control providing even greater productivity gains.

The Spectra Precision Laser grade control systems give the operator visual guidance for the cutting edge of the blade or bucket. This capability helps operators get to grade faster with increased accuracy.

The Spectra Precision Laser family of machine systems includes three new laser receivers and a control box - the Spectra Precision Laser LR30 Laser Receiver, LR50 Laser Receiver and LR60 Laser Receiver. Additionally, for automatic blade control, contractors can add the Spectra Precision Laser CB25 Control Box.

The Spectra Precision Laser LR30 Laser Receiver is suitable for a range of machines, including dozers, backhoes, excavators and trenchers. The LR30 features five channels of grade information, directional out-of-beam indicators and selectable accuracies to meet job tolerances from rough grading to final finishing.

The Spectra Precision Laser LR50 Laser Receiver is suitable for a variety of machines, including excavators, dozers, graders, scrapers, and box blades. The LR50 features built-in blade tilt indication to help the operator keep the blade level. For grade work, the LR50 can be programmed to match an existing grade increasing production and accuracy.

For easy operation on the construction job site, the LR50 features a very bright LED display and up to 6 channels of grade information and directional out-of-beam indicators. By adding the CB Control Box, the LR50 can be upgraded to grade control on dozers.

The Spectra Precision Laser LR60 Laser Receiver can be applied to many machines including excavators, backhoes and dozers. The LR60 features a patented Angle Compensation for Excavation, which automatically calculates and corrects the grade display for the angle of the dipper arm, allowing the operator to check grade as he is working not only with a plumb boom. The LR60 also has a built-in plumb indication for fast, accurate grade checking.

Up to eight channels of grade information, directional out-of-beam indicators and four selectable accuracies for each on-grade location make the LR60 easy to use. By adding the CB25 Control box, the LR60 can be upgraded to grade control on dozers.

To provide higher productivity gains for dozers, the LR50 or LR60 laser receiver can be combined with the cab-mounted Spectra Precision Laser CB25 Control Box for automatic blade control.

Automatic blade control keeps the machines moving and operating at maximum speed to save time, fuel, material and labour on every grading job.

The CB25 features proportional valve control to ensure maximum system accuracy and smooth, precise operation. With the flick of one switch, operators can switch from automatic to manual control.

The LR30, LR50 and LR60 laser receivers can be used with a number of Spectra Precision Laser grade lasers or laser levels, including the GL700 series, the LL500 and LL400.

With the broadest line of lasers in the industry, Spectra Precision Laser gives contractors the ability to select the right laser for their application.

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