Jis B 1702-1 Pdf !!better!! May 2026

JIS B 1702-1 is a Japanese Industrial Standard, equivalent to ISO 1328-1, that defines classification and allowable deviation values for the tooth flanks of cylindrical involute gears, ranging in accuracy from grades 1 to 11. Updated in 2016, this standard covers spur and helical gears with reference diameters between 5 mm and 15,000 mm, focusing on critical parameters like pitch, profile, and helix deviations. For a detailed preview of the standard, visit JSA Webdesk.

Standard Industrial: Grades 6 through 9 are common for general industrial machinery. jis b 1702-1 pdf

You can obtain official or preview copies of the standard through the following sources: Japanese Standards Association (JSA) JIS B 1702-1 is a Japanese Industrial Standard,

Wait, then why do you need the JIS copy? Offline Reference: To use on the factory floor

Understanding JIS B 1702-1: A Guide to Gear Accuracy Standards (PDF & Basics)

• Offline Reference: To use on the factory floor or in design offices without constant internet access.
• Embedding Documents: To insert accuracy tables into internal quality manuals or inspection reports.
• Legacy Equipment: Older Japanese machinery (presses, reducers, servo drives) often references older JIS grades (e.g., JIS 0, 1, 2) which differ slightly from modern ISO equivalents; the original JIS PDF clarifies these nuances.
• Cost Avoidance: Official printed copies from JISC or authorized resellers can be expensive (approx. ¥4,000–¥10,000). Users often seek free PDFs for preliminary research.

The Jis B 1702-1 pdf is essential for various industries that rely on gears and gearboxes, such as:

The standard is intended for: