planishing roll

English

Noun

planishing roll (plural planishing rolls)

1. One of the rolls between which metal strips are passed while cold, to bring them to exactly the required thickness as part of coin manufacture.
   • 1977, R. B. Ross, Handbook of Metal Treatments and Testing:

     Planishing can also be employed where a limited shaping operation is required and where the surface is to be altered or improved . It is also possible to use planishing rolls in sheet metal operations, where again a limited amount of work hardening will be applied

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “planishing roll”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)