Radial-arm stone polishing machines
Knee-lever grinding machines feature manual operation and adjustable swing radii from 2600 to 3000 mm, designed for edge grinding and polishing of granite, marble, porcelain, and engineered stone slabs. They are used in small and medium stoneworking shops for finishing stairs, window sills, memorials, and architectural elements.
Manual stone polishing machine MS-3000
Manual stone polishing machine MS-2600
Knee-lever grinding machines offer a perfect balance of simplicity, durability, and operator-controlled precision. The knee-lever mechanism provides smooth, controlled motion and consistent pressure, minimizing the risk of swirls or over-polishing. This makes them ideal for custom profiles, restoration work, and low-volume production where flexibility is key.
Models like WANLONG MS-2600 and MS-3000 feature powerful motors, water-cooling systems, and variable spindle speeds (up to 1500 RPM), enabling a full finishing sequence—from coarse grinding to mirror polishing—using a single machine with interchangeable diamond pads.
These machines are widely used for monuments, countertops, decorative edges, and bespoke stonework, where artisan-level control and surface quality are prioritized over full automation.
KNAVI GROUP supplies knee-lever grinders directly from WANLONG (China). All units come with full English documentation, up to 2 years of warranty, operator training, and optional on-site commissioning worldwide.