Thread-Working Machine

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Thread-Working Machine

 

a metalcutting machine that produces and machines thread. Thread-working machines include bolt-screwing machines, nut-thread cutters, automatic thread-rolling machines, thread-milling machines, and thread-grinding machines. Other machines used to cut threads include pipe-working machines, engine lathes, turret lathes, drilling machines, boring machines, and vertical turning lathes.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.