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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Definitions and allowable values of deviations relevant to flanks of gear teeth. During electrical filtering, the test data signal passes from the probe head aggma an electrical filtering RC circuit and finally on to the data analysis and output devices.

An example of how to establish an AGMA classification number for a given set of conditions is presented in figure 5.

This second edition cancels and replaces the first edition ISO Annex material provides guidance on filtering and information on comparison of gear inspection methods.

An example of the formula to calculate total profile tolerance is shown in figure 6. Annex material provides guidance on filtering and information on comparison of gear inspection methods.

For smaller gears the change in tolerance as diameter decreases is less than ISOwith the resulting value slightly higher for a given diameter. Mechanical filtering occurs as the geometry of the probe i. The number of data points included in the evaluation length should be shown on the inspection record.

It specifies definitions for gear flank tolerance terms, the structure of the flank tolerance class system, and allowable values. Nippon Gear Company, Ltd. It is the responsibility of the gear designer to assure that the helix evaluation range is adequate for the application.

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Electrical filtering is most commonly encountered on older instruments; newer instruments employ mathematical filtering. It is the axis to which the gear details, and in particular the pitch, profile, and helix tolerances are defined. This modification is called low–pass filtering. Minus material outside the helix evaluation range may be ignored. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute.

Brad Foote Gear Works, Inc. To achieve statistical compliance, the manufacturing tolerance must be smaller than the specified tolerance. This standard does not provide specific limits for this test, which is normally based on experience. Heat Treatment of Steel Gears July 15, This standard provides tolerances for unassembled gears only.

Measurements taken in this direction have the following characteristics: The following formulas were then developed: It provides information on minimum requirements for accuracy groups as well as gear measuring practices.

A New Standard in Gear Inspection

The measurement of gearing mated in an assembly for a specific application is beyond the scope of this document. It is important to distinguish between measurement location the tolerance diametermeasurement direction, and tolerancing direction. The smallest useful value of k is 2. AGMA technical publications are subject to constant improvement, revision, or withdrawal as dictated by experience.

ANSI AGMA A01_百度文库

Already Subscribed to this document. Agms condition wherein the actual tooth flank position was nearer to the datum tooth flank, in the specified measuring path direction clockwise or counterclockwisethan the theoretical position would be considered a minus — deviation. Tim Byrd September 15, The key to a proper fit for keyways.

These methods provide the manufacturer and purchaser with recommendations for verifying the accuracy of a manufactured product, as well as information relative to the interpretation of measurement data. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Process control includes elements such as manufacturing planning, maintenance of machine tools, cutting tool selection and maintenance, heat treatment control, and accuracy assurance programs, as needed, to achieve and maintain the necessary gear accuracy.

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An example of the differences between these analysis methods is provided by figure E. The results indicate the tolerance that the parts will have to meet to pass the SPC requirements. Proceed to Checkout Continue Shopping. It does not necessarily indicate compatible tooth shape for loaded conditions. In addition, the master gears can also be used for verifying gear testers.

For example, if dimensions for tooth thickness or surface finish tolerances are desirable in order to assure satisfactory performance in special applications, such dimensions and tolerances should appear on drawings or purchase specifications.

The inspection of gearing 2015-1-0a1 in an assembly for a specific application is beyond the scope of this standard. Monday, December 31, In this standard, the tolerancing direction for pitch measurements is along the arc of the tolerance diameter, dT, circle within the transverse plane, while the tolerancing direction for helix is tangent to the base circle 20151–a01 the transverse plane. This annex provides descriptions of filtering practices.