6" Combination Unit Silicon 110V SKU: COV494SCU Construction This 6 inch combination unit is built as a compact grinder and polisher designed for smooth, stable operation. It uses sealed ball bearings mounted in rubber to keep the run quiet and reduce vibration. The unit is mounted on a rustproof aluminum topped Lam I Cushion base for stability and corrosion resistance in wet shop conditions. A stainless steel main shaft resists rust, and the aluminum castings, hood, and belt guard are powder coated for durability. It includes continuous variable speed control, allowing the machine to be tuned to the wheel and the material you are working. Why and When It’s Used in Lampworking In a lampworking studio, this type of combination unit is a core coldworking machine for shaping and finishing glass after it has been annealed. It is used when you need to true up a cut edge, flatten a seal surface, refine a profile, or bring a piece through sanding and into polish. The variable speed is especially useful because glass responds differently depending on wheel type, pressure, and water flow, so being able to slow down for delicate edges or speed up for heavier stock removal helps prevent chips and keeps the finish more controlled. It is a strong fit for lampworkers doing pendants, small sculptural work, seals, and any workflow where you want grinding and polishing in one compact station. Dimensions 6 inch wheel size Speed range from 800 rpm to 1725 rpm
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