Jis B 1702-1 Pdf Official
JIS B 1702-1 is part of a 3-part series. Understanding each part is crucial for comprehensive gear inspection:
While many technicians look for free downloads of the JIS B 1702-1 PDF, it is a copyrighted document protected by the .
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: Evaluation of the tooth trace or lead error. Technical Constraints jis b 1702-1 pdf
| Product | Accuracy Grade | Material | Tooth Surface Finish | Reference | | :--- | :--- | :--- | :--- | :--- | | Ground Spur Gear | (JIS B 1702-1:1998) | S45C Equivalent (e.g., EN 1.1191) | Ground | | | General Industrial Spur Gear | JIS N8 Grade (JIS B 1702-1:1998) | S45C Equivalent | Cut | | | General Industrial Spur Gear | JIS N9 Grade (JIS B 1702-1:1998) | CAC702 (Aluminum-Bronze) | Cut | |
The difference between the actual and theoretical tooth profile. Helix Deviation ( cap F sub beta
A modern gear specification labeled indicates a mid-to-high precision ground gear commonly found in standard industrial machinery. Key Gear Deviations Defined in the PDF JIS B 1702-1 is part of a 3-part series
To bridge the gap with global trade and manufacturing systems, the standard was overhauled to mirror the specification. The revised versions—namely JIS B 1702-1:1998 and the current active version, JIS B 1702-1:2016 —expanded the precision classifications to 13 grades, running from 0 down to 12 . Under the modern system:
is an essential, legally protected standard for cylindrical gear accuracy. While many search for a “free PDF,” the safest, most reliable, and legal access comes from the JSA Web Store (paid PDF) or KIKAKU (free web reading). Always verify the revision year (2015+ recommended) and remember that Part 1 focuses only on tooth flank deviations. For complete gear quality documentation, pair it with JIS B 1702-2 .
JIS B 1702-1 is the Japanese Industrial Standard for cylindrical gear flank tolerance, adopting ISO 1328-1 to define accuracy grades (0-12) for gear quality control. The standard provides detailed mathematical formulas and tolerance tables for designing and inspecting precision machinery components, ensuring compatibility with international benchmarks. For purchasing the official PDF, visit the Japanese Standards Association (JSA) website. Technical Constraints | Product | Accuracy Grade |
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This article provides a comprehensive overview of the JIS B 1702-1 standard, its significance, key components, and where to find the official documentation. What is JIS B 1702-1?
