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Sample Hypoid Summary for No. 26 Gleason® Spiral Bevel Generator

This page displays a 4 page sample data sheet for (1) No. 26 Gear Finishing, (2) No. 26 pinion finishing, (3) Gear Roughing, and (4) Pinion Roughing.
Dimensions are repeated in each sheet.
Bias Corrections may be optionally printed and are shown in the last section of this sample.
Download the demo version from this website and try it out.



 Hypoid Bevel Data Set No. 40261694   Date: 05/15/11              Page 1
 Comb.  10 X  41  DP  4.97000             Pinion Offset  1.500  BC
             Face Width   1.250
 Gear PA - Concave   24D 30M   Convex   18D  0M       Cone Dist. 4.274
------------------------------------------------------------------------
 NO. 26 MACHINE SETTINGS FOR GEAR MEMBER
                                                        Shaft Angle:  90

              GENERAL DIMENSIONS

                    GEAR     PINION                       GEAR    PINION
 Spiral Angle       26D 57M   50D 29M   Cutting Method   Spread   Fixed
 Addendum           0.064        -
 Working Depth           0.375          Backlash Allowed 0.006 / 0.008
 Whole Depth             0.422
 Pitch Angle        74D 49M      -      Tooth Taper Tilted Root
 Face Angle         75D 59M   19D 17M
 Root Angle         69D  7M   12D 52M
 Dedendum Angle      5D 42M      -
 Outside Diameter   8.283     3.386
 Crown To Cross Pt  1.293     3.907     GEAR TOOTH MEASURED AT MID FACE
 Root Apex (+) Beyond (-) Between
       Crossing Pt  -0.16      1.56                      Rough   Finish
 Hand of Spiral    RIGHT     LEFT       Norm Chord Adden 0.0511  0.0511
                                        Norm Chord Thick 0.1889  0.1589
                                        Whole Depth Mid  0.3476  0.3476
                                        Whole Depth Heel 0.4221  0.4221


      GEAR CUTTER SPECIFICATIONS

 Diameter  9.000  Edge Radius  0.040
                 Point Width  Pressure Angle
  Rough & Finish   0.0600      OB   24D 30M
                               IB   18D  0M



 NO. 26 GEAR MACHINE SETTINGS

                      FINISHING
  Mach Root Angle       69D  7M
  Mach Center to Back MD -0.240
  Sliding Base        WITH 0.070
  Blank Offset        DN  0.225
  Eccentric Angle       35D 26M
  Cradle Angle         354D 54M
  Tilt Angle            0
  Cradle Test Roll     30 Deg

  Work Test Roll        29D 57M
  Nc/75 Decimal Ratio 0.545665
  Nc/75 Ratio Gears      Lookup

  Index Gears (30/N)  60/41X45/90


 Hypoid Bevel Data Set No. 40261694   Date: 05/15/11              Page 2
 Comb.  10 X  41  DP  4.97000             Pinion Offset  1.500  BC
             Face Width   1.250
 Pinion PA - Concave   18D  0M  Convex   24D 30M      Cone Dist. 4.274
------------------------------------------------------------------------
 NO. 26 PINION FINISHING MACHINE SETTINGS               Shaft Angle:  90

              GENERAL DIMENSIONS

                    GEAR     PINION                       GEAR    PINION
 Spiral Angle       26D 57M   50D 29M   Cutting Method   Spread   Fixed
 Addendum           0.064        -
 Working Depth           0.375          Backlash Allowed 0.006 / 0.008
 Whole Depth             0.422
 Pitch Angle        74D 49M      -      Tooth Taper Tilted Root
 Face Angle         75D 59M   19D 17M
 Root Angle         69D  7M   12D 52M   PINION FINISH SLOT WIDTHS
 Dedendum Angle      5D 42M      -       Heel      Mid      Toe
 Outside Diameter   8.283     3.386      0.090    0.088    0.077
 Crown To Cross Pt  1.293     3.907
 Root Apex (+) Beyond (-) Between       PINION TOOTH MEASUREMENTS-MID FACE
       Crossing Pt  -0.16      1.56     Addendum     Thickness
 Hand of Spiral    RIGHT     LEFT        0.2534       0.3166

 No Modified Roll Used


            NO. 26 PINION CUTTER SPECIFICATIONS
   Nom Dia  9.000  Edge Radius  0.025

         Point Width  Pressure Angle  Cutter Dia
   Finish   0.0400     OB   12D  0M     8.860
                       IB   31D  0M     8.830


            NO. 26 PINION FINISHING MACHINE SETTINGS
                          Concave OB         Convex IB
   Mach Root Angle          12D 52M            12D 52M
   Mach Center to Back    MD -0.075          MD -0.164
   Sliding Base           WITH 0.364         WITH 0.384
   Blank Offset           DN  1.110          DN  1.561

   Eccentric Angle          34D 26M            37D  5M
   Cradle Angle            194D  7M           199D 56M

   Cradle Test Roll        20 Deg             20 Deg
   Work Test Roll           80D 25M            82D 29M
   Nc/75 Decimal Ratio    0.536120           0.549925
   Nc/75 Ratio Gears      Lookup             Lookup

   Index Gears (30/N)           100/50X90/60




     Profile  Pattern L   Delta     Ro                     Desired Gear
      (Kp)    Factor (B)   (Ep)                                Root PA
  OB   4.00    0.350      -.1653    13D  1M        Convex  (1)   16D 21M
  IB   5.00    0.350      0.2864   -29D 22M        Concave (2)  -26D  9M

 Hypoid Bevel Data Set No. 40261694   Date: 05/15/11              Page 3
 Comb.  10 X  41  DP  4.97000             Pinion Offset  1.500  BC
             Face Width   1.250
 Gear PA - Concave   24D 30M   Convex   18D  0M       Cone Dist. 4.274
------------------------------------------------------------------------
 NO. 26 ROUGHER MACHINE SETTINGS FOR GEAR
                                                        Shaft Angle:  90

              GENERAL DIMENSIONS

                    GEAR     PINION                       GEAR    PINION
 Spiral Angle       26D 57M   50D 29M   Cutting Method   Spread   Fixed
 Addendum           0.064        -
 Working Depth           0.375          Backlash Allowed 0.006 / 0.008
 Whole Depth             0.422
 Pitch Angle        74D 49M      -      Tooth Taper Tilted Root
 Face Angle         75D 59M   19D 17M
 Root Angle         69D  7M   12D 52M
 Dedendum Angle      5D 42M      -
 Outside Diameter   8.283     3.386
 Crown To Cross Pt  1.293     3.907     GEAR TOOTH MEASURED AT MID FACE
 Root Apex (+) Beyond (-) Between
       Crossing Pt  -0.16      1.56                      Rough   Finish
 Hand of Spiral    RIGHT     LEFT       Norm Chord Adden 0.0511  0.0511
                                        Norm Chord Thick 0.1889  0.1589
                                        Whole Depth Mid  0.3476  0.3476
                                        Whole Depth Heel 0.4221  0.4221


 NO. 26 GEAR MACHINE SETTINGS

                       ROUGHING
  Mach Root Angle        69D  7M
  Mach Center to Back  MD -0.240
  Sliding Base         WITH 0.070
  Blank Offset         DN  0.225
  Eccentric Angle        35D 26M
  Cradle Angle          354D 54M
  Tilt Angle             0
  Cradle Test Roll      No Roll

  Work Test Roll        No Roll
  Nc/75 Decimal Ratio  0.545665
  Nc/75 Ratio Gears      Lookup

  Index Gears (30/N)  60/41X45/90


  GEAR CUTTER SPECIFICATIONS
                  ROUGH         FINISH
  Diameter         4.500          4.500
  Point Width    0.0600         0.0900
  Blade Radius    0.0400         0.0400
  Pressure Angle
        OB    #0 -   24D     #0 -   24D
        IB    #0 -   18D     #0 -   18D


 Hypoid Bevel Data Set No. 40261694   Date: 05/15/11              Page 4
 Comb.  10 X  41  DP  4.97000             Pinion Offset  1.500  BC
             Face Width   1.250
 Pinion PA - Concave   18D  0M  Convex   24D 30M      Cone Dist. 4.274
------------------------------------------------------------------------
 NO. 26 ROUGHER MACHINE SETTINGS FOR PINION
                                                        Shaft Angle:  90

              GENERAL DIMENSIONS

                    GEAR     PINION                       GEAR    PINION
 Spiral Angle       26D 57M   50D 29M   Cutting Method   Spread   Fixed
 Addendum           0.064        -
 Working Depth           0.375          Backlash Allowed 0.006 / 0.008
 Whole Depth             0.422
 Pitch Angle        74D 49M      -      Tooth Taper Tilted Root
 Face Angle         75D 59M   19D 17M
 Root Angle         69D  7M   12D 52M
 Dedendum Angle      5D 42M      -
 Outside Diameter   8.283     3.386
 Crown To Cross Pt  1.293     3.907
 Root Apex (+) Beyond (-) Between
       Crossing Pt  -0.16      1.56
 Hand of Spiral    RIGHT     LEFT



                NO. 26 PINION CUTTER SPECIFICATIONS

                Diameter  9.000  Edge Radius  0.025
                       Point Width  Pressure Angle
                 Rough    0.0600     OB   14D  0M
                                     IB   28D 30M





             NO. 26 PINION ROUGHING MACHINE SETTINGS


        Mach Root Angle          12D 52M
        Mach Center to Back    MD +1.520
        Sliding Base           WITH 0.357
        Blank Offset           DN  1.253

        Eccentric Angle          35D 46M
        Cradle Angle            197D 28M


        Cradle Test Roll        20 Deg
        Work Test Roll           81D 33M
        Nc/75 Decimal Ratio    0.543627
        Nc/75 Ratio Gears    Lookup

        Index Gears (30/N) 100/50X90/60



The following section displays sample proportional settings for pinion.
See help screen in demo for explanation and useage.

Hypoid Bevel Data Set No. 40261694 Date: 05/15/11 Page 1 of 1 Comb. 10 X 41 DP 4.97000 Pinion Offset 1.500 BC Face Width 1.250 Pinion PA - Concave 18D 0M Convex 24D 30M Cone Dist. 4.274 ------------------------------------------------------------------------ BIAS CHANGES FOR NO. 26 PINION FINISHING SETTINGS (see documentation for purpose and application of bias changes) BIAS OUT I OB IB For Change in Work Test Roll -1.0 Deg +1.0 Deg Change: Machine Center to Back ADV 0.062 WITH 0.065 Sliding Base WITH 0.014 ADV 0.014 Eccentric Angle, Minutes 2 Min 1 Min Cradle Angle, Minutes -51 Min 51 Min Ratio of m75 Ratio Change Gears -0.0067 0.0067 PROFILE OUT CHANGE For Change in Blank Offset -0.100 UP +0.100 DWN Change: Eccentric Angle, Minutes -53 Min 54 Min Cradle Angle, Minutes -31 Min 25 Min Work Test Roll -2D 6M 1D 53M Ratio of m75 Ratio Change Gears -0.0140 0.0126 CUTTER DIAMETER CHANGE (Lengthen) For Change in Cutter Diameter -0.100 +0.100 Change: Eccentric Angle, Minutes -18 Min 17 Min Cradle Angle, Minutes 23 Min -23 Min