Item Name: Covington Machines - Two-Station Closed Arbor 3/4" x 18" SKU: COVTSA404 Description: A two-station closed arbor grinding platform designed as a versatile, build-your-own style grinder and polisher for lapidary work. The closed arbor design features a 3/4 inch shaft that is 18 inches long, providing stability and precision when mounting grinding and polishing wheels. This arbor is engineered to accept 6-inch, 8-inch, and 10-inch diameter wheels, making it suitable for a wide range of glass finishing tasks. The unit measures 20 inches by 8 inches by 10 inches and weighs 14 pounds, offering a compact footprint for bench setup. Glassblowers and lapidary artists use closed arbor systems to grind, shape, and polish glass beads, fused glass pieces, and other glass components after annealing or fusing. The closed arbor design provides better wheel support and alignment compared to open arbor systems, resulting in more precise grinding and reduced vibration during operation. How it is used: Mount the arbor securely to a stable work surface or grinding stand. Select and install the appropriate grinding wheel size for your project. Ensure the wheel is properly seated and secured on the arbor shaft. Position your glass piece against the rotating wheel with controlled pressure. Use progressively finer wheels or polishing compounds to achieve the desired surface finish. Maintain consistent water cooling to prevent heat damage to the glass and extend wheel life. Dimensions: 20" wide x 8" deep x 10" tall weighs 14 lbs Accepts 6", 8", and 10" wheels
