Our online catalog is being updated! Please contact us for current pricing. FBT Series Precision Translators FBT Series Precision Translators Description FBT series translators provide single-axis (Z only) motion. The units offer unparalleled mechanical support for customer payloads. They are available with bellows I.D.s of 3"—8", with larger I.D.s available. Standard base and traveling flange sizes are 6" O.D., with tapped or clearance holes, as required. Other flange diameters available. Options include 3-lead screw version for extra-heavy payloads (to 200 lbs.) and 10" O.D. base flange for horizontal mounting. The Z drive is an Acme screw with a precision 4:1 gearbox. The stage position is indicated to 0.001" divisions. Features Super rigid 5-sided box construction Hardened stainles steel bearings and guide rods throughout All bearings adjustable Wide spacing (7" to 9") on all guide rods Wide spacing (6") of bearings on rods Maximum bakeout temperature: 200°C Specifications Z Axis 2" to 36"+ Z travel, 4:1 worm Acme gearbox drive, 0.050"/turn (20 turns/inch), 0.001" divisions, preloaded lead screw and worm shaft, position lock Base Flange 4.5", 6" (standard), 8" or 10" O.D. Base flange Traveling Flange 4.5", 6" (standard), or 8" O.D. traveling flange Motion Specifications—Z Axis Resolution <0.0002" (0.0005 mm) Repeatability <0.0005" (0.013 mm) Backlash <0.0008" (0.020 mm) Ordering Information Single-Axis Ultra High Vacuum Precision Translators with 2" of Z travel Bellows I.D. Dimensions (C min*) Model No. Price Addl. Z Travel per Inch 3" 3.06" FBT-103-2 $4,600. $515. 4" 3.06" FBT-104-2 $4,985. $620. 6" Consult Factory FBT-106-2** Consult Factory 8" Consult Factory FBT-108-2** Consult Factory Larger diameter bellows upon request. *NOTE: This equipment has the shortest possible minimum flange-to-flange "C min" dimension. This distance can be changed by a large number of possible options. The C min dimension shown is only for the exact model listed. Please consult the factory for further information. **NOTE: Requires /3LS option Options Option: 3-Lead Screw Model Number: /3LS Price: add $1,425 3 Acme screw support to traveling flange Used for increased payload requirements Used for long Z stroke application Z drive anti-backlash coupling available on all drives Option: Lifting Package Model Number: /LP Price: add $265 Stainless steel lifting eyes Custom sling assembly Suitable for up to 200 lb. systems Option: Lifting Handles Model Number: /LH Price: consult factory Stainless steel lifting handles Motorization Options Model Numbers: /MS Stepping or /MY Synchronous See our Motor Drives page for information on Stepping and Synchronous motor drives.