The PDF provides formulas. For example, the tolerance for single pitch deviation (fpt) might be calculated as fpt = 0.6 + 0.02m . Cross-reference this against the tables.
. It measures three critical deviations that can make or break a machine's performance: Single Pitch Deviation ( f sub p t end-sub
Accuracy along the width of the gear tooth. 3. The Tolerance Classification System
The document provides a detailed framework, including:
Refers specifically to the "Flank tolerance classification".
Because it aligns with ISO 1328-1, it ensures that Japanese-manufactured products are compatible with international requirements. How to Obtain JIS B 1702-1 PDF
constitutes the lowest acceptable commercial precision.
JIS B 1702-1 is a cornerstone standard for modern mechanical power transmission. By defining strict parameters for pitch, profile, and helix deviations, it allows engineers to predict gear behavior, control noise levels, and ensure long-term mechanical reliability. When designing or sourcing gears, always verify whether your specifications point to the legacy 1976 system or the modern 1998/allied ISO-equivalent grading system to avoid costly manufacturing errors.
: The official publisher. A preview of the 2016 edition is available on the JSA Webdesk ANSI Webstore ANSI Webstore provides the full document for purchase and subscription. Intertek Inform : This platform offers the current JIS B 1702-1:2016 and historical versions like the 1998 edition.
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JIS B 1702-1 is an indispensable tool for maintaining the quality and functionality of cylindrical gears in modern engineering. By understanding and utilizing the metrics defined in the standard, manufacturers can ensure that their gear products meet the required precision, resulting in quieter, more durable, and more reliable mechanical systems.