Milton CAT 345D L - Manual (Page 13)

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AccuGrade™ Grade Control System for Hydraulic Excavators
The AccuGrade Excavator System design integrates the scalable machine control
and guidance system to optimize performance, reliability and productivity.
Overview. The AccuGrade System for
Hydraulic Excavators reduces guesswork
and costly rework by moving material
right the first time, reduces survey
costs up to 90%, and increases material
utilization. The system improves operator
skills, which reduces labor requirements,
aids operators in maintaining a consistent
grade and slope across the worksite,
and reduces material cost.
The AccuGrade Attachment Ready Option
(ARO) Machine. The ARO supports all
kits and integrates the critical sensors
with the machine right out of the factory.
The design uses advanced Position
Sensing Cylinder (PSC) technology
as well as heavy duty rotary sensors.
With the PSC, the AccuGrade system
determines the current cylinder length
and the current position of the bucket
tip in real time.
The PSC also removes the front linkage
sensors from the traditional high wear
areas such as the bucket linkage, and
places them safely inside the bucket
cylinder for increased integration,
responsiveness, and reliability.
The ARO uses a Controller Area Network
(CAN) designed for plug-and-play
capability. Simply mount the components,
connect, calibrate and the system is ready
to operate. All wiring and necessary
welded brackets are factory installed
as part of the ARO.
AccuGrade Site Reference Kit.
The AccuGrade Site Reference system
provides the operator with precise, real-
time bucket positioning relative to the
desired grade. Using a combination of
sensors, the system calculates bucket tip
position relative to a grade/survey stake
or benchmark.
AccuGrade Laser Reference Kit.
The optional system allows the machine
to move after obtaining a reference
benchmark. The laser receiver attachment
references a rotating laser to calculate
the desired grade for elevation changes
over large work sites, significantly
increasing productivity.
AccuGrade GPS Kit. AccuGrade GPS
uses 3D design files that are stored on the
in-cab display and is able to use satellites
in both the US and the GLONASS
satellite constellation to augment the
GPS solution and define the location
of the machine on the job site. With the
addition of the machine position to the
location of the bucket determined by
the machine-mounted components,
AccuGrade GPS then compares the
position of the bucket relative to the
site design plan and delivers real-time
information to the operator.
Applications. The Site and Laser
Reference systems are ideal for building
pads, trenches, and general utility
applications. The 3D system is ideal
for all applications, including finishing
slopes, excavating and truck loading,
complex trenches, and sites with
3D designs, such as retention ponds
and golf courses.