AGMA 2015-1-A01 PDF

racy documents correlate as shown in Figure 1. Current Status of New Standards. In late , the new tangential accuracy stan- dard ANSI/AGMA A AGMA A01 (R). Accuracy Classification System – Tangential Measurements for Cylindrical Gears. standard by American Gear. CONTAINS ANSI/AGMA A ACCURACY CLASSIFICATION SYSTEM- TANGENTIAL MEASUREMENTS FOR CYLINDRICAL GEARS AND AGMA.

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Annex material provides guidance on filtering and information on comparison of gear inspection methods.

Minus material beyond the tip break may be ignored. It is not a design manual for determining the specific quality levels for a given application. No particular method of measurement or documentation is considered mandatory unless specifically agreed upon between manufacturer and purchaser. The scope of applicability has been expanded; Revisions have been made to the formulae which define the flank tolerances; Annexes have been added to describe additional methods for analysis of modified profiles and helices; The evaluation of runout, previously handled in ISOhas been brought back into this part of ISO See Clause 4 for required and optional measuring methods.

In either case, index values must first be found. In both systems, the agmz or grades are separated by a square root of 2 stepping factor. Add 1 to the required Cpk value.

At any point on a gear tooth surface, the normal vector is oriented 1 tangent to the base cylinder of the gear, and 2 inclined relative to the transverse plane at the base helix angle. 2015-1a01 single flank tolerances are different than those given in annex A of ISO Master gears of accuracy grade 2 are recommended for verifying gear testers and checking production gears primarily of grades 4 and 5. The limits were established to set the tolerances at points the committee thought were valid.


Surface texture is not considered in this part of Agja An example of how to establish an AGMA classification number for a given set of conditions is presented in figure 5.

A New Standard in Gear Inspection

If the document is revised or amended, you will be notified by email. The manufacturing of gearing to a specified accuracy may or may not include specific measurements. Distinction is made as to the algebraic sign of this reading. Future of gear design relies on overcoming present July 15, Please first log in with a verified email before subscribing to alerts.

The equations for the single flank composite tolerances are different from the corresponding tangential composite equations in ISO AGMA technical publications are subject to constant improvement, revision, or withdrawal as dictated by experience. All data at frequencies significantly higher than the cutoff are eliminated. Specific requirements are to be stated in the contractual documents. Specifying an AGMA accuracy grade or measurement criteria that requires closer tolerances than required by the application may increase the cost unnecessarily.


Minus material outside the helix evaluation range may be ignored.

Item Detail – ANSI/AGMA ISO B14

It will minimize or exclude all irregularities with wavelengths shorter than the ag,a filter cutoff wavelength. Need more than one copy? The datum axis determines tooth geometry, thereby being the reference for measurements and associated tolerances.

Eleven flank tolerance classes are defined, numbered 1 to 11, in order of increasing tolerance. This standard, for spur and helical gearing, correlates gear accuracy grades with gear tooth tolerances. At the time of publication, the editions indicated were valid. Gears made in quantity may be inspected at various steps in their manufacturing process on a sampling basis.

That figure shows the index data for a gear with 35 teeth, thus having a value of k equal to 4.

Subscription pricing is determined by: Log into your account. These tolerances are applicable to the following ranges: Gear design is beyond the scope of this standard. Tolerances for single agm deviation are provided by the formula in 7. It is a complete revision, including accuracy grades, in order to be more compatible with ISO.