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(1) USED - MODEL 3424B-3C ITW VARIABLE INVOLUTE MEASURING INSTRUMENT* Serial No. 11016 NEW 1981 This Machine Utilizes a Master Base Diameter and an Adjustable Ratio Arm, Providing an Infinitely Variable Range of Base Circle Diameters. Maximum Gear Diameter 24" Minimum Base Diameter 0" Maximum Distance Between Centers 72" Maximum Travel of Indicator 12" Maximum Travel of Apron from Either Side of Zero Setting 5" Maximum Diametral Pitch 2 DP Maximum Degrees of Roll 65 Degrees Approximate Floor Space 50" x 57" Approximate Height 130" Approximate Weight 4,000 Lbs. Extra Height Tailstock Column, Allowing 72" Between Centers. Steady Rest with 8" Diameter Capacity, Allowing Testing of Parts Greater than 72" in Length. Designed for checking involutes of spur and helical gears. Limited Capability to Test and Chart Lead of Spur Gears or Splines. Model 1606 Illinois Hot Pen Rectilinear Recorder. Heidenhain Digital Base Circle Readout. *Preliminary Specifications Subject to Verification. |