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Involute Spline Dimensions

Igs60 710
Program 60-710Involute Splines and Inspection Introduction The primary purpose of this model is to provide data from ANSI Standard B92.1-1970 for Involute Splines and Inspection.

This is the standard for inch-series splines based on a stub diametral pitch design.

It is possible to use the model to convert the dimensions to metric, but the basic calculations are always based on diametral pitch and the inch system.The model will automatically calculate data for splines and gages in accordance with the standard.

If data is entered for a modified spline, the model will indicate that the spline is not standard and will then calculate data for measurements and gages for the modified spline.Plots of the assembled and individual splines are available on the Plot Sheet of the TK Solver model.

The plots are of the mean actual tooth thickness.For information on the proper use and interchangeability of splines and gages refer to the standard.In some cases the dimension given by the software will be slightly different than the data in the tables in the standard.

The software uses the equations given in Appendix A of the standard and the user must decide which value should be used.UTS Integrated Gear Software Example 1 The first example is a 26 tooth, 10/20 diametral pitch, side fit, fillet root spline.

A Class 5 tolerance is desired on both the internal and external splines.

(Different tolerance classes can be used on each spline if desired.)

The spline length is 1.5 inches, which we enter in order to obtain analytical checking data for the tooth alignment.

We also wish to use the Standard gaging method and will print all data needed to manufacture the gages including tapered external masters to calibrate the ring gages for the external spline.Enter the data as shown in Figure 1-1.

Click Yes when prompted for spline length values and for plot tic marks.

Report 1 gives the input and output values for the solved model.Fig.

1-1 60-710Involute Splines and Inspection Report 1

Model Title :Program 60-710 Unit System: COMMON

Number of Teeth 26

Diametral Pitch 10.000000 1/in `

Stub Pitch 20.0000 1/in `

Spline Pitch 10/20

Standard Pressure Angle 30.0000 deg

Type of Fit ('maj or 'side Def='side) side

Pitch Diameter 2.6000000 in

Base Dia 2.2516660 in

Max_Effective Clearance 0.0028 in

Min_Effective Clearance 0.0000 in

COMMON: Theoretical from Measured Teeth Max_Actual Clearance 0.0064 in

Min_Actual Clearance 0.0036 in

Radial Form Clearance (Standard) 0.0026 in

INTERNAL SPLINE Internal Spline ANSI B92.1-1970 Std? Yes

Fillet or Flat Root ('fil/'flt)

Major Diameter - Min, rounded NA in

Major Diameter - Max, rounded 2.8010 in

Form Diameter, rounded 2
involute spline dimensions
.7050 in UTS Integrated Gear Software

Model Title :Program 60-710 Unit System: Roll Angle at Form Diameter 38.144 deg

Minor Diameter - Min, rounded 2.5000 in

Minor Diameter - Max, rounded 2.5050 in

Tolerance Class

Machining Tolerance 0.0014 in

Variation Allowance 0.0018 in

Min_Effective_Space Width 0.1571 in

Specification Required or Reference Required

Plug Gage - Composite or Sector

Max_Effective_Space Width 0.1585 in

Specification Required or Reference Reference

Plug Gage - Composite or Sector None

Min_Actual_Space Width 0.1589 in

Specification Required or Reference Reference

Plug Gage - Composite or Sector None

Max_Actual_Space Width 0.1603 in

Specification Required or Reference Required

Plug Gage - Composite or Sector NO GO Sec

INTERNAL SPLINE: Size Between Pins Pin Diameter 0.14400 in

Min_Between 2 Pins 2.4431 in

Max_Between 2 Pins 2.4456 in

Min_Diameter Under 3 Pins 2.4431 in

Max_Diameter Under 3 Pins 2.4456 in

Min_Pin Contact Diameter 2.6610 in 60-710Involute Splines and Inspection

Model Title :Program 60-710 Unit System: Max_Pin Contact Diameter 2.6637 in

INTERNAL SPLINE: Analytical Inspection Total Index Variation 0.0018 in

Profile Variation 0.0004 in

ProNI -0.0006 in

Spline_Length 1.50 in

Lead Variation 0.0005 in

EXTERNAL SPLINE External Spline ANSI B92.1-1970 Std? Yes

Fillet or Flat Root ('fil/'flt)

Major Diameter - Max 2.7000 in

Major Diameter - Min 2.6950 in

Major_Diameter Chamfer - Max _ in

Major_Diameter Chamfer - Min _ in

Form Diameter 2.4950 in

Roll Angle at Form Diameter 27.347 deg

Minor Diameter - Min 2.3990 in

Tolerance Class

Machining Tolerance 0.0014 in

Variation Allowance 0.0018 in

Max_Eff_Tooth Thickness 0.1571 in

Specification Required or Reference Required

Ring Gage - Composite or Sector

Min_Eff_Tooth Thickness 0.1557 in

Specification Required or Reference Reference UTS Integrated Gear Software

Model Title :Program 60-710 Unit System: Ring Gage - Composite or Sector None

Max_Actual_Tooth Thickness 0.1553 in

Specification Required or Reference Reference

Ring Gage - Composite or Sector None

Min_Actual_Tooth Thickness 0.1539 in

Specification Required or Reference Required

Ring Gage - Composite or Sector NO GO Sec

EXTERNAL SPLINE: Size Over Pins Pin Diameter 0.19200 in

Max_Over 2 Pins 2.8951 in

Min_Over 2 Pins 2.8930 in

Max_Pin Contact Diameter 2.6018 in

Min_Pin Contact Diameter 2.5998 in

EXTERNAL SPLINE: Analytical Inspection Total Index Variation 0.0018 in

Profile Variation 0.0004 in

ProNX -0.0006 in

Spline_Length 1.50 in

Lead Variation 0.0005 in

PLOTS DATA Mark mod/inv/fil intersections?

Number of teeth on plot 60-710Involute Splines and Inspection

Model Title :Program 60
Tags: involute spline dimensions,involute spline standards,involute spline software,ansi b92.1 1996 spline,ansi b92.1 32 64 dp,ansi b92.1 class 5,ansi b92.1 spline,ansi b92.1a-1976,ansi b92.2m-1980


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