BS 4687:1984被替代
Specification for extended pitch precision roller chains and chainwheels
出版：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS 4687:1984
發(fā)布時間：1984/6/29 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數(shù)：20
標準簡介
Dimensions and tolerances, chain measuring loads and minimum tensile strength and recommended marking requirements. Also dimension of chainwheels and attachments. Derived from some short pitch transmission roller chains in BS 228 but with twice the pitch intended for less onerous conditions in terms of speed and power transmitted. Applies to simple (single strand) extended chains only.
標準備注
? British Standards Institution 2013
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