rubbing block

rubbing block

In marble polishing, a block of sandstone with which the preliminary operation of smoothing is done by hand.
References in periodicals archive ?
For edges, you need a scribe, snapping pliers, a cutter, saw, side nippers, a rasp or rubbing block and trimmers.
The original rubbing block is glued to a dowel rod cut to fit inside the frame of th eImprimagic.
Although polyamides are often used for the production of films, hot-melt adhesives, binders, insulation, fiberglass and filaments, polyamide resins are most often used in the United States for the manufacture of extruded and molded parts, including gears, bearings, bushings, sprockets, wear pads, sheaves, pulleys, guides, tooling fixtures, cams, feed screws, wear rails, wear strips, housings, wear shoes, conveyer wheels, sleeves, insulators, scraper blades, rollers, die wear plates, telescoping boom, wear pads, slipper blocks, supports, form tools, star wheels, valve seats, wear rings, seals, wheels and rubbing blocks.