ISO 6336-2 PDF
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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It includes formulae for all influences on surface durability for which quantitative assessments can be made. It also incorporates the Amendments ISO This part of ISO presents the basic principles of, an introduction to, and the general influence factors for, the calculation of the load capacity of spur and helical gears.
This second edition cancels and replaces the first edition ISO The system with the carrier connected to the frame is called a normal transmission or helical gearing. That is used e. Two or multi-speed planets have more constructional variants with wider possibilities; however, they are more complex and expensive to manufacture.
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Here is just a selection of formulas, information and comments that are related lso the calculation KH b. Methods, principles and assumptions are given in standard ISO As the planet and the ring gear have the same axis, the centre distance between the planet and both suns must be the same.
Your basket is empty. Method C supplies average values which can be used for industrial transmissions and gear systems with similar requirements in the following fields of application:.
Ratio gear width to gear diameter Y Axis: Calculation of surface durability pitting. This part of ISO specifies ieo fundamental formulae for use in the determination of the surface load capacity of cylindrical gears with involute external or internal teeth. The loss coefficient can be approximately described according to the formula: Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights.
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This part of ISO describes contact and tooth-root stresses, and gives numerical values for both limit stress numbers. Base helix angle a wt As a rough estimate, the calculation of two toothed wheels may be used the gear rack is substituted io a toothed wheel.
Running-in allowance from graph. In the formulas, indexes 1 and 2 are used for a pinion and a wheel which is a pair: This creates corrected toothing.
It is possible to select the number the pinion teeth, the pressure angle and the tooth slope. These requirements are specified in this standard and are divided in three material quality grades 1,2 an 3. Parameters for the time-strength curves were obtained from ISO and 3.
6336- applies for the generally corrected wheels that: ISO includes procedures based ios testing and theoretical studies such as those of Hirt , Strasser  and Brossmann . You can see an example of a simple planetary gearing with single-speed toothing of the planet below.
Component of equivalent misatignment. The work hardening factor, Z W takes account of the increase in the surface durability due 636-2 meshing a steel wheel structural steel, 63362 steel with a hardened or substantially harder pinion with smooth tooth flanks. The main task of technical committees is to prepare International Standards. Therefore it is possible to set the maximum limit for the calculation pre-set to 5.
BS ISO 6336-2:2006
You may experience issues viewing this site in Internet Explorer 9, 10 or International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. The so-called suns are aligned with the carrier and the central axis of the gear mechanism. In this calculation, except sac and sat, are proposed other material parameters that are necessary for calculating 66336-2 gearing. This equation is valid for the range 1.
In the following paragraphs, the method of the bearing capacity calculation is described. Find Similar Items This product falls into the following categories. Allowable contact stress number The relation of calculated contact stress number to allowable contact stress number is:.
Help Center Find new research papers in: For other optimizing processes there is a wide range of recommendations in professional literature, namely the so-called diagrams charts of limit corrections, providing a clear view of possibilities and selection of corrections. Poisson ‘s ratio E 1, K 1 Accuracy grades as speclfled in ISO Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing.