Shell Grinder for Inside Turning Sanding - Purpose and key benefits - Safe interior sanding: designed to finish the inside of turned shells while protecting against abrasion marks. The solution reduces the risk of damage compared with hand sanding. - Hands protection and reach: the 352 mm long length keeps your hands away from the work, improving safety during interior sanding. - Smooth, stable rotation: features a double bearing and a smooth-running rotating head. The head rotates with the bowl, while the bowl itself rotates on the lathe, providing coordinated motion for a controlled finish. - Reduced marking risk: the grinder rotates without snagging or catching, helping to minimize markings on the work. Proper technique and light, even pressure are essential to achieving the best results. - Fully adjustable head assembly: the head can be set to any desired position to match the size and curvature of your project. This adaptability makes it suitable for many shell shapes and sizes. - Durable, soft mandrel rotation: unlike many other head assemblies, this bowl grinder uses steel bearings that enable very smooth mandrel rotation during grinding. - Consistent performance: designed for reliable operation on a lathe, providing steady sanding action with less effort and fatigue. - Important attributes - Function: interior sanding for turned bowls and shells; reduces abrasion risk and improves surface quality. - Compatibility: compatible with turning bowls on a lathe; adjustable to fit varying interior geometries. - Size: 352 mm long reach for interior access and hand protection. - Material and construction: steel bearings enable smooth rotation and durable performance. - Performance: double bearing, smooth-running rotating head, coordinated rotation with the bowl on the lathe. - Usage scenarios - Finishing a deep, curved interior: use when you need to reach into a deep hollow form and maintain a consistent finish with controlled pressure. - Large shell interiors: the long 352 mm reach allows safe sanding of larger shells without body or hand contact with the workpiece. - Varying curvature projects: the fully adjustable head is ideal for shells with different interior shapes, enabling precise positioning to minimize marks and maintain even shading. - Usage guidance - For best results, apply light, even pressure and maintain a steady technique. Excessive pressure can lead to unsightly results, even with a high-quality grinder. - Ensure the bowl is rotating on the lathe in a controlled manner, and the head is adjusted to suit the project size and curvature for optimal performance. - Summary - This shell grinder provides a safer, more controlled interior sanding solution for turned shells, with a long reach, double bearing construction, and a fully adjustable head. It offers smooth, consistent rotation and reduced risk of markings, along with durable steel bearings for reliable mandrel operation.