Graco EcoQuip 2 User Manual

Operation
Setting Setting
Setting
the the
the
Abrasive Abrasive
Abrasive
Metering Metering
Metering
Valve Valve
Valve
Theoptimalsetpointoftheabrasivemeteringvalve
andcorrespondingMediaTrakCPMvaluevaries
signi󰘰cantlydependingonapplicationanduser
desiredperformance.TheGeneral General
General
Application Application
Application
Guides Guides
Guides
onthenextpagedescribethegenerally
acceptedrangeofCPMsetpointsbasedonthe
substrateandblastpressuresetpoint.Thegrey
highlightedareaillustratesthetypicalrangeofblast
pressuresetpointsandtheircorrespondingCPMset
pointsforthatsubstrate.
To󰘰ndtherecommendedCPMsetpoint,selectthe
tablethatmostcloselymatchesthesubstratethat
istobeblasted.Determinetheblastpressureset
pointbasedonthemediathatisbeingused,andthe
desiredsurfacepro󰘰letobeachieved.Then,use
thecorrespondinglinesonthecharttoselectthe
appropriateCPMsetpoint.
Forinexperiencedusers,selectablastpressure
nearthelowendofthehighlightedrange.Increase
blastpressureandCPMuntilthedesiredpro󰘰leand
removalrateareachieved.
Optimizing Optimizing
Optimizing
the the
the
Abrasive Abrasive
Abrasive
Metering Metering
Metering
Valve Valve
Valve
Tooptimizeperformance,usetheHighProductionor
MediaEf󰘰cientlinesonthecharts.CPMsetpoints
neartheHighProductionlineswillyieldthehighest
removalrates,andthehighestmediaconsumption
rates.Tomaximizeremovalrateregardlessofmedia
consumption,usethehighestpossibleblastpressure
andsettheCPMtothehighestachievablevaluethat
producesaconsistentpattern.TheCPMsetpointis
toohighifthe󰘱owfromthenozzlestartstosputter.
CPMsetpointsneartheMediaEf󰘰cientlinewilluse
thelowestamountofmedia.Tominimizecleanup
andmediausage,useasetpointclosertothisline.
Generally,removalrateswillbelessthanaverage
whensettingtheCPMaccordingtothisline.
Thechartsonthefollowingpageareonlyguidelines.
Theyweredevelopedusinggarnetmediainthe
30-80meshrange.Coarsermediawillproducea
deeperpro󰘰le,butwillrequirehigherCPMsetpoints
toyieldsimilarremovalratestothesetpointsshown
inthetables.Finermediawillyieldhigherremoval
rates,butwillnotproduceasdeepofapro󰘰le.
Finetuningandexperimentationarenecessaryto
optimizeperformanceforeachapplication.
See See
See
the the
the
General General
General
Application Application
Application
Guides Guides
Guides
on on
on
the the
the
following following
following
page. page.
page.
3A3489E
17

Graco EcoQuip 2 Specifications

General

Brand	Graco
Model	EcoQuip 2
Category	Water Pump
Language	English