The smallest chain complying to ANSI is 25 of 6.35 mm pitch. On the other hand, in response to the demands for smaller chains in recent years for high technological innovation machinery such as office tools, healthcare machines and industrial robots, we give 15 of four.7625 mm (3/16 inch) pitch as well as 15H1 being a high-power version of 15. These high precision chains are produced beneath significant high 
quality management specifically expected for tiny sizes, taking put on resistance also under consideration.
Selection of chain
Refer to your “Low-speed selection”. Nonetheless, the chain operation pace could be set considerably higher depending on the type of lubrication as shown from the table below.
Connecting back links and offset hyperlinks
R connecting hyperlinks are employed for little pitch chains. On the other hand, because their power is reduced than that in the base chain, and since the clip is prone to come off in higher speed operation, the usage of connecting back links just isn’t advised. Use a loop chain with out attaching connecting back links.
Offset hyperlinks can be found for chains other than 15 and 15H1, but their use just isn’t recommended for your same reason as stated to the R Connecting hyperlinks.
Operating speed and form of lubrication
15: A large precision mini-pitch bushing chain that may be smaller than a compact drive chain for standard applications, 25
25: Smallest bushing chain among ANSI conventional chains using curl bushings.
35: A ANSI regular bushing chain appropriate for compact precision machines that call for high strength.
Chaîne à pas modeste
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