Jis B 1702-1 Pdf Jun 2026

The 1998 revision (which replaced the old 1976 standard) and the subsequent 2016 update brought Japanese standards into alignment with international practice. 1. Accuracy Grades (Grade 0–12)

Accessing the official JIS B 1702-1 PDF from the Japanese Standards Association is vital because:

(lowest precision, for basic machinery). Note that grades 1 and 2 are often omitted in practical tables as they are rarely manufactured. Module Range : It covers gears with modules ranging from Diameter Range : Applicable to gears with pitch diameters up to jis b 1702-1 pdf

Jis B 1702-1 is a Japanese Industrial Standard (JIS) that outlines the specifications for gear tooth accuracy. The standard is divided into several parts, with part 1 (Jis B 1702-1) focusing on the accuracy of spur and helical gears. The standard provides detailed guidelines for measuring and evaluating the accuracy of gear teeth, ensuring that they meet the required specifications for smooth and efficient operation.

When utilizing the PDF, always verify the on the cover page, as periodic updates are released to accommodate advancements in CMM inspection technologies and manufacturing tolerances. The 1998 revision (which replaced the old 1976

This standard is technically equivalent to the international standard ISO 1328-1:1995, making it a critical reference for international trade and manufacturing. Key Components of the Standard

Accuracy along the width of the gear tooth. 3. The Tolerance Classification System Note that grades 1 and 2 are often

Historically, the JIS gear accuracy standard was known for its "Grade 0" (highest precision) to "Grade 8" (lowest precision) classification. However, to align closer with international manufacturing, the standard underwent a massive revision. The current system brings Japanese manufacturing practices in line with . Key Differences in the Modern Revision:

Note: Achieving a Grade 4 or 5 generally requires specialized gear grinding or lapping post-heat treatment, which increases manufacturing costs significantly. 4. Why Engineers Search for the PDF Version