INTERNATIONAL. STANDARD. ISO. Second edition. Calculation of load capacity of spur and helical gears —. Part 2: Calculation of surface. ISO CALCULATION OF LOAD CAPACITY OF SPUR AND HELICAL GEARS – PART 2: CALCULATION OF SURFACE DURABILITY (PITTING). ISO FRENCH: French Language – CALCULATION OF LOAD CAPACITY OF SPUR AND HELICAL GEARS – PART 2: CALCULATION OF SURFACE.
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BS ISO 6336-2:2006
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This second edition cancels and replaces 6336-22 first edition ISO It also incorporates the Amendments ISO ISO consists of the following parts, under the general title Calculation of load capacity of spur and helical 636-2 Calculation of service life under variable 633-62 This corrected version incorporates the following corrections: ISO is designed to facilitate the application of future knowledge and developments, lso the exchange of information gained from experience.
Design considerations to prevent fractures emanating from stress raisers in the tooth flank, tip chipping and failures of the gear blank through the web or hub will need to be analyzed by general machine design methods.
Several methods for the calculation of load capacity, as well as for the calculation of various factors, are permitted see 4. The directions in ISO are thus complex, but also flexible. Included in the formulae are the major factors which are presently known to affect gear tooth pitting and fractures at the root fillet.
The formulae are in a form that will permit the addition of new sio to reflect This is a free 10 page sample.
Basic principles, introduction and general influence factors 1 Scope This part of ISO presents the basic principles of, an introduction to, and 63336-2 general influence factors for, the calculation of the load capacity of spur and helical gears.
It is not intended to assure the performance of assembled drive gear systems.
It is not intended for use by the general engineering public. Instead, it is intended for use by the experienced gear designer who is capable of This is a free 10 page sample. The formulae in ISO are intended to establish a uniformly acceptable method for calculating the pitting resistance and bending strength capacity of cylindrical gears with straight or helical involute teeth. ISO includes procedures based on testing and theoretical studies such as those of Hirt , Strasser  and Brossmann .
The user of ISO is cautioned that when the iao in ISO 63362 used for other helix angles and pressure angles, the calculated results will need to be confirmed by experience.
The formulae in ISO are not applicable when any of the following conditions exist: The rating formulae in ISO are not applicable to other types of gear tooth deterioration such as plastic yielding, scuffing, case crushing, is and wear, and are not applicable under vibratory conditions where there may be an unpredictable profile breakdown. The bending strength formulae are applicable to fractures at the tooth fillet, 63336-2 are not applicable to fractures on the tooth working surfaces, failure of the gear rim, or failures of the gear blank through web and hub.
ISO does not apply to teeth finished by forging or sintering.
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It is not applicable to gears which have a poor contact pattern. The procedures in ISO provide rating formulae for the calculation of load capacity, based on pitting and tooth root io.
For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies. Definitions related to geometry ISO 6336- and allowable values of deviations relevant to corresponding flanks of gear teeth ISO Profile method — Terms, definitions and surface texture parameters ISO Profile method — Rules and procedures for the assessment of surface texture ISOCalculation of load capacity of spur and helical gears — Isi 2: Calculation of surface durability This is a free 10 page sample.
Calculation of tooth bending strength ISOCalculation of load capacity of spur and helical gears — Part 5: Strength and quality of materials ISOCalculation of load capacity of spur and helical gears — Part 6: Calculation of service life under variable load ido Terms, definitions, symbols and abbreviated terms For the purposes of this document, the terms, definitions, symbols and abbreviated terms given in ISO and the following symbols apply.
Only symbols for quantities used for the calculation of the particular factors treated in ISO are given, together with the preferred units. Purchase the entire publication at the link below: Basic principles, introduction and general influence factors This is a free 10 page sample. Looking for additional Standards? Remember me on this computer. Enter the email address you signed up with and we’ll email you a reset link.
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