EAS1000 System

Engine Assembly Systems (EAS) for GE Engines

EAS series Engine Assembly Systems are used worldwide to align and assemble high pressure compressors and turbines (HPCR and HPTR) for jet engine and land-based gas turbine applications.

Engine Assembly systems feature ultra-precision air bearing rotary tables and rotary encoders mounted to natural granite bases for durability and stability, ensuring the highest accuracy and repeatability.

With our heavy-duty adjustable tilt and center worktables operators can easily bring the engine part precisely in alignment to the air bearings’ rotational axis using our heavy-duty adjustable tilt and center worktables. The spherical seat design on the tilt and center worktable maintains the part’s center point when leveling, saving time in setting up for measurement and assembly.

Each system comes with a swing-away gage stands or taller counterbalanced gage towers allowing easy access when loading parts or unloading finished assemblies. Each gage configuration is able to mount up to 8 electronic indicators plugged into the state-of-the-art USB controller making quick work of setup and measurement.

ABTech is a licensed supplier of GE Aviation’s Genspect systems including USB controllers and stack prediction software. The controller has inputs for up to 8 LVDT gage heads and the rotary encoder from the air bearing table as well as a USB interface for PC’s. Purchasing an Engine Assembly System from ABTech now comes complete with the air bearing platform, controller, required lever and plunger type probes, Genspect software preloaded in a Windows based computer, a large color touch screen monitor in a heavy-duty mobile electronics cart. A turnkey solution for assembling jet engine and turbines.

The EAS family of Engine Assembly Systems

EAS-P (GE Tooling #9471M13PO1): Portable Engine Assembly System with friction drive wheel and rotary encoder on a magnetic base fixture, multiple magnetic gage stands and probes.
This model can be supplied with the USB controller and up to eight probes, optional computer and software.

EAS500 (GE Tooling #9471M13PO2): Engine Assembly System with 8” (203.2mm) AT200 air bearing rotary table, 12″ HD tilt and center adjustable worktable, granite surface plate, and dual GSI gage stands, each with two horizontal gage arms. Maximum working envelope: 22”Ø x 27” tall. Maximum load capacity: 500 lbs.
This model can be supplied with the USB controller and up to eight probes, optional computer and software.

EAS1000 (GE Tooling #9471M13PO3): Engine Assembly System with 12” (304.8mm) AT300 air bearing rotary table, 18″ HD tilt and center adjustable worktable, granite surface plate, and dual GSI gage stands, each with two horizontal gage arms. Maximum working envelope: 44”Ø x 46” tall. Maximum load capacity: 1,000 lbs.
This model can be supplied with the USB controller and up to eight probes, optional computer and software.

EAS3000 (GE Tooling #9471M13PO4): Engine Assembly System with 16” (406.4mm) HDRT3000 air bearing rotary table, 24″ HD tilt and center adjustable worktable, granite surface plate, and gage tower. Maximum working envelope: 48”Ø x 90” tall. Maximum load capacity: 3,000 lbs.
This model can be supplied with the USB controller and up to eight probes, optional computer and software.

EAS3000-2T (GE Tooling #9471M13PO7): Engine Assembly System with 16” (406.4mm) HDRT3000 air bearing rotary table, 24″ HD tilt and center adjustable worktable, granite surface plate, and two gage towers. Maximum working envelope: 50”Ø x 80” tall. Maximum load capacity: 3,000 lbs.
This model can be supplied with the USB controller and up to eight probes, optional computer and software.

EAS1000CP (GE Tooling #9471M13PO5): Engine Assembly System with 12” (304.8mm) AT300 air bearing rotary table with center probe mount, 18″ HD tilt and center adjustable worktable, granite surface plate, extended height GSI gage stand with horizontal gage arm. Maximum working envelope: 48”Ø x 58” tall. Maximum load capacity: 1,000 lbs.
This model can be supplied with the USB controller and up to eight probes, optional computer and software.

EAS1000G (GE Tooling #9471M13PO6): Engine Assembly System with 12” (304.8mm) AT300 air bearing rotary table, 18″ HD tilt and center adjustable worktable, granite surface plate, and extended height GSI gage stand with three horizontal gage arms. Maximum working envelope: 48”Ø x 58” tall. Maximum load capacity: 1,000 lbs.
This model can be supplied with the USB controller and up to eight probes, optional computer and software.

The model under test for CE conformity was an EAS1000, serial number S-4014, outfitted in the worst-case scenario which incorporates the maximum of 8 measurement probes with encoder feedback wired to the USB controller which provides a USB communications output to support equipment.
The purpose for testing this as such represents the most complex version that would be built and supplied for any iteration of the EAS family using the most commonly built version.
All of the EAS models (including any version which might have subtle mechanical variations) use the same electrical and electronic equipment and software, when provided.

EAS1000 CP System
EAS1000 CP System
EAS1000 G System
EAS1000 G System
EAS3000 System
EAS3000 System
EAS500 System
EAS500 System
EAS1000 System
EAS1000 System
EAS-P Genspect System
EAS-P Genspect System

Features & Benefits

Ultra-precision high capacity rotary air bearing tables

  • Fine adjust tilt and center worktables
  • High resolution rotary encoders for angular feedback
  • Anti-rotation device for torqueing engine bolts
  • Multiple gage stand or tower configurations
  • Granite base and frame with passive isolation feet
  • Electronic lever-type gage heads and plunger probes
  • Optional Genspect electronics and software package

Options & Accessories

  • Complete Genspect systems with LVDT probes, controller, PC and software
  • Lever and plunger type electronic gage heads and extension cables
  • Fine adjust probe mounts
  • Magnetic base portable gage stands
  • Mobile electronics cart with heavy-duty casters and articulating monitor mount
  • Fixed base space-saving electronics rack with articulating monitor mount
  • Certified 2μ” round master test ball and cover

EAS Spec Sheet Table

ModelEAS-PEAS500EAS1000EAS1000CPEAS1000GEAS3000EAS3000-2T
GE Tooling Number9471M13PO19471M13PO29471M13PO39471M13PO59471M13PO69471M13PO49471M13PO7
Certified Accuracy (air bearing)
Radial & AxialN/A< 5.0 µ” (0.125 µm)
Tilt N/A< 0.206 arc sec or 1.0µ”/in (0.025 µm/25mm)
Working Envelope
Maximum Part Diameter (Swing)N/A24" (610 mm)46" (1,117 mm)50" (1,270 mm)50" (1,270 mm)50" (1,270 mm)50" (1,270 mm)
Maximum Part Height (OD probe access)N/A30" (7,620 mm)46" (1,117 mm)58" (1,473 mm)58" (1,473 mm)90" (2,286 mm))80" (2,032 mm))
Height to WorktableN/A38" (965 mm)26" (660 mm)32" (813 mm)21" (533 mm)26" (660 mm)28" (711 mm)
Axial Load CapacityN/A500 lbs (226 kg)1,000 lbs (454 kg)1,000 lbs (454 kg)1,000 lbs (454 kg)3,000 lbs (1,261 kg)3,000 lbs (1,261 kg)
Air Bearing Rotary Table
ModelN/AAT200AT300AT300AT300HDRT600HDRT600
Encoder200 line rotary encoder in magnetic base fixture1000 line count rotary encoder kit
Surface Plate MaterialN/AGrade A black granite surface with welded steel base and elastomer type passive vibration isolation mounts
Tilt & Center Worktable Configuration
TypeN/AHeavy Duty 4-Knob with spherical seat
DiameterN/A12″ (305 mm)17.63" (448 mm)24" (610 mm)
Tapped HolesN/A1/4-281/4-28 and 5/8-111/4-28 and 3/8-16
Gage Stand Configuration
QuantityN/A2 posts, 2 arms each2 posts, 2 arms each1 post, 1 arm1 post, 3 arms1 tower, 1 arm2 towers, 2 arms each
StyleN/AGSI-36P/18AGSI-48P/24AGSI-60P/24AT-90P/28AT-80P/28A
Vertical TravelN/A36" (914 mm)48" (1,291 mm)60" (1,524 mm)90" (2,286 mm))80" (2,032 mm))
Horizontal TravelN/A18" (457 mm)24" (610 mm)28" (711 mm)28" (711 mm)
Mounting StyleN/AMounted on sides of granite surface placeT-slot bases with adjustable locking swivel mounted to top of graniteHard mounted to top of granite
Probe Configuration
Quantity434
Type(2) Lever type and (2) Plunger type(2) Lever type and (1) Plunger type(2) Lever type and (2) Plunger type
Filter & Regulator Assembly
Air ConsumptionN/A2.0 cfm @ 60 psi4.5 cfm @ 60 psi
ModelN/AModel 00787AModel 00938A
Pre FilterN/A5.0 micron w/ regulator (0 – 150 PSI)
Second Stage FilterN/A0.5 micron oil/water removing (coalescing)0.3 micron oil/water removing (coalescing)
Electronics & Display
Metrology ControllerIndependent electrical box operating system, encoder interface, signal conditioners, and power supply
PC (if equipped)Windows OS with keyboard and mouse
Display27" wide format flat screen color monitor
Genspect SoftwareMeasures runout, roundness, concentricity, and perpendicularity. Includes step-by-step probe calibration program, tilt and center assist feature for easy part alignment, and WinSPS stack projection module.
Mobile Electronic CartRemovable casters for mobility
Adjustable shelf for keyboard and mouse
Shelves for Controller and Printer or other accessories
Articulating monitor mount
Shelf and hangers for probes and encoder
Dimensions & Weight
Product DimensionN/A75" W x 25" D x 70" T
106" W x 53" D x 78" T60" W x 24"D x 96" T65" W x 29" D x 84" T96" W x 32" D x 125" T155" W x 36" D x 127" T
1,905 x 635 x 1,778 mm2,691 x 1,246 x 1,981 mm1,524 x 610 x 2,438 mm1,651 x 737 x 2,134 mm2,438 x 813 x 3,175 mm3,937 x 914 x 3,226 mm
Surface Plate DimensionsN/A32" W x 20" D x 6" T60" W x 24" D x 8" T42" W x 24" D x 8" T42" W x 24" D x 8" T60" W x 32" D x 8" T90" W x 36" D x 10" T
813 x 508 x 152 mm1,524 x 610 x 203 mm1,067 x 610 x 203 mm1,067 x 610 x 203 mm1,524 x 813 x 203 mm2,286 x 914 x 254 mm
Product WeightN/A900 lbs (408 kg)1,500 lbs (680 kg)1,400 lbs (635 kg)1,400 lbs (635 kg)2,800 lbs (1,270 kg)3,500 lbs (1,588 kg)
*Limited by tilt and center worktable. Higher load capacity available upon request.

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Thank you for your interest in ABTech’s ultra-precision measurement tools and services.
Please tell us a little about what you need to accomplish and we will be in touch to discuss any of the additional details that will help you choose your best option.

Thanks a lot for your help. Your rapid, informative correspondence was invaluable. Hopefully I won't be bothering you with any further questions, but it's good to know you're willing. (following remote technical support provided for system installed at the South Pole) Morgan HedgesPost-doctoral Research Associate
Princeton University
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Every product we sell exemplifies our company-wide commitment to "Pride in Precision" craftsmanship. To that end, all of our products are designed, manufactured, and tested exclusively by ABTech at our New Hampshire facility.

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