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TPI (twists per inch or turns per inch) is a term used in the textile industry. It measures how much twist a yarn has, [ 1 ] and can be calculated by counting the number of twists in an inch of yarn.
Ends per inch (EPI or e.p.i.) is the number of warp threads per inch of woven fabric. [12] [22] In general, the higher the ends per inch, the finer the fabric is. Ends per inch is very commonly used by weavers who must use the number of ends per inch in order to pick the right reed to weave with. The number of ends per inch varies on the ...
A safety wire is used to ensure proper security for a fastener. The wire needed is long enough to reach from a fixed location to a hole in the removable fastener, such as a pin — a clevis fastener, sometimes a linchpin or hitch-pin through a clevis yoke for instance — and the wire pulled back upon itself, parallel to its other end, then twisted, a single end inserted through a fastener ...
The twist rate (also called pitch of the twist, usually defined in twists per meter) makes up part of the specification for a given type of cable. When nearby pairs have equal twist rates, the same conductors of the different pairs may repeatedly lie next to each other, partially undoing the benefits of twisting.
In organzine each single is given a few twists per inch (tpi), and combine with several other singles counter twisted hard at 10 to 14 tpi. In tram the two singles are doubled with each other with a light twist, 3 to 6 tpi. Sewing thread is two tram threads, hard twisted, and machine-twist is made of three hard-twisted tram threads.
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If you get the green light, that doesn’t necessarily mean all systems are a go. Next comes negotiating boundaries, terms, consent, “and anything else that ensures your partner always feels ...
Tightness of twist is measured in TPI (twists per inch or turns per inch). [11] Two or more spun yarns may be twisted together or plied to form a thicker yarn. Generally, handspun single plies are spun with a Z-twist, and plying is done with an S-twist. [12] This is a cultural preference differing in some areas but surprisingly common.