Jis B 1702-1 Pdf Updated (2026)

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JIS B 1702-1

is a critical Japanese Industrial Standard (JIS) that specifies the accuracy requirements for cylindrical gears. As the Japanese equivalent of the ISO 1328-1 standard, it serves as the definitive guideline for gear manufacturers, quality control engineers, and designers working within the Japanese automotive, robotics, and heavy machinery industries. jis b 1702-1 pdf

Detailed Accuracy Guides

: Manufacturers like KHK Gears and QTC Metric Gears provide technical catalogs that explain how these JIS standards apply to specific gear products. A very specific request

1. Table 1 – Tolerance Grades

useful paper

If you cannot purchase the standard, the most to read is any comparative analysis between ISO 6336 and JIS B 1702-1 . Module (m): 0

4.3 Tolerance Tables

• Module (m): 0.5 to 70 mm (split into ranges).
• Reference diameter (d): Up to 10,000 mm.
• Face width (b): For helix deviations.

is the primary Japanese industrial standard for defining the accuracy and tolerances of individual cylindrical involute gears. 日本規格協会 JSA GROUP Webdesk Standard Overview Current Version : JIS B 1702-1:2016.