本标准是B29的修订版。ASME B29的1部分。100-2002及其作为单独标准的确立。B29。1精密动力传动滚子链、附件和链轮:本标准涵盖传动滚子链、附件和链轮。滚子链是一系列交替组装的滚子链和销链，其中销在衬套内铰接，滚子可在衬套上自由转动。销和衬套压装在各自的连接板中。滚子链可以是单滚子链- 具有一排滚柱连杆的钢绞线，或具有一排以上滚柱连杆的多股钢绞线。表中还提供了（a）一般链条尺寸；（b） 超过常规销的最大宽度；（c） 可互换链节的尺寸限制；（d） 直联板和弯联板延伸尺寸；（e） 商用和精密链轮的链轮齿剖面尺寸；（f） 扩展销尺寸；（g） 商用和精密链轮的最大偏心率和端面跳动公差；（h） 链轮法兰厚度； （i） 阀座曲线尺寸和公差；（j） 减去商用和精密链轮的卡钳直径公差；（k） 单位节距链条的节径、外径和测量尺寸系数；和（l）每个节距和范围的顶部滚刀切削WD的整个深度。非强制性附录已经修订。

This Standard is a revision of the B29.1 portion of ASME B29.100-2002 and its establishment as a separate Standard.B29.1 Precision Power Transmission Roller Chains, Attachments and Sprockets: This Standard covers transmission roller chains, attachments, and sprockets. A roller chain is a series of alternately assembled roller links and pin links in which the pins articulate inside the bushings and the rollers are free to turn on the bushings. Pins and bushings are press fit in their respective link plates. Roller chains may be single-strand, having one row of roller links, or multiple strand, having more than one row of roller links. Tables are also provided for(a) General chain dimensions;(b) Maximum width over regular pin;(c) Dimensional limits for interchangeable chain links;(d) Straight- and bent-link plate extension dimensions;(e) Sprocket-tooth section profile dimensions of commercial and precision sprockets;(f) Extended pin dimensions;(g) Maximum eccentricity and face runout tolerances for commercial and precision sprockets;(h) Sprocket flange thickness;(i) Seating curve dimensions and tolerances;(j) Minus tolerances on caliper diameters of commercial and precision sprockets;(k) Pitch diameter, outside diameter and measuring dimension factor for chain of unity pitch; and(l) Whole depth of topping hob cut WD for each pitch and range.The Nonmandatory Appendices have been revised.