. It measures three critical deviations that can make or break a machine's performance: Single Pitch Deviation ( f sub p t end-sub
JIS B 1702-1:2016 Cylindrical gears -- ISO system of flank tolerance jis b 1702-1 pdf
: The old system used Grades 0 through 9 (with 0 being the best). The new system (1702-1) aligns with ISO, where is far more precise than the old Grade 0. Calculation Calculation : Many Japanese gear companies (like KHK
: Many Japanese gear companies (like KHK Gears) provide condensed versions of these tolerance tables in their technical catalogs for engineering reference. for a specific gear grade and module? look for Part 2 documents.
If you cannot find Part 1, look for Part 2 documents. Sometimes technical papers will include the geometric definitions from Part 2 alongside the stress definitions from Part 1 to provide a complete calculation example.
This standard establishes a system for classifying the accuracy of individual cylindrical involute gears.