finishing roll

finishing roll

[′fin·ish·iŋ ‚rōl]
(mining engineering)
The last roll, or the one that does the finest crushing in ore dressing.
References in periodicals archive ?
You see, as a "mirror pocket" finishing roll wears, it changes the consistency of the surface.
finishing rolls la bh-0,92 / 1200 (or equivalent) 1 piece, 170 000 usd
An abrasive belt head attachment that fits onto a big bore lathe for grinding and finishing rolls is now available from Roll Grinding Solutions, Inc.
Metal finishing rolls range from an Ra of 0 to 0.5 micro-inches for a highly polished mirror finish for optical-grade products, up to Ra 50 or 60 micro-inches for satin-finished products, or possibly as much as Ra 300 micro-inches for embossed or coarsely textured products.
The workpieces were 6 1/2"-dia finishing rolls with tapered ends ground to 30 microinch finish.