the serial number of three machines are
machine 1) GFF-3512, BT-195975 
machine  (2) GFF-3502, BT- 273962 
machine (3) GFF-3508, BT-273964

GFF Gear Shaver                                                                   MACHINE CHARACTERISTICS

  2.0 Machine Characteristics

2.1 Machine Specifications

Operational Requirements
Power Supply                  460V—3 phase—90 amps
Pneumatic Supply            60 psi mm. (17 scfm—3/4 npt inlet)
Coolant Type                  Stuart ‘thred kut” #25
                                     requiv. (l35ssu at 100°F)     

Motor Specifications                                     HP         RPM
Cutter (AC spindle)                                       15         1500—6000
Table (X—axis, AC servo)                              4.8         3000
Knee w/Brake (Y—axis, AC servo)                   4.8         3000
Coolant Pump                                               1           1800     
Chip Separator                                             1/3         1800

Specds and Feeds (external)

Cutter Speed (9" cutter head                         50—500 RPM
Cutter speed (12" cutter head                        50—400 RPM
Table Cross Feed (X—axis)                            .5 to 35 ipm
Table Up—Down Feed (Y—axis)                      .004 to 12.5 ipm

Travel Limits (external)

Max. X—axis Table Travel (conventional)                                  6"
Max. X—axis Table Travel (diagonal)                                        6" to 2"*
Max. X—axis Table Travel (90 traverse)                                    2"
Max. Y—axis Table Travel                                                       8 1/2"
Diagonal Traverse Angle RH or LH:
   (straight shaving)                                                               0 to 90  
   (crown shaving max.)                                                         45 approx.
Maximum Table Angle (crowning)                                            5
Maximum Table Angle (taper)                                                1   30'
Maximum Cutter Head Crossed Axes Angle (right)                    25°
Maximum Cutter Head Crossed Axes Angle (left)                      25°

Axis Resolution

X-axis                                                         0. 0005"
Y—axis                                                        0.0005"
B-axis                                                         0. 001

Estimated Weight

Total Machine                                                12,000 pounds
* Depending on table angle.