Double Stands Belt Sander 220V Multi-funchion Belt Grinder Variable Speed Chasses is designed for professional knives, other cutting tools and machines makers. We offer full range accessories for making knives, blades, scissors and other stuff for processing metal. The set is very simple in maintenance and doesn?t require any special skills of an engineer and can be built at your workshop. You have to place additionally the motor and the pulley. Parameter Electrics: 220V Motor Power: 1500W Converter power: 2200W Speed : 2800RPM Tensioning wheel:?12.5cm Large rubber wheel: ?28cm Flat grinding wheel: ?7cm Finger groove wheel: ?2cm??3cm Driving wheel: ?18cm Belt Dimensions: 72"*2"/1828mm*50MM (The machine is equipped with three 1800mm belts, 60 mesh, 120 mesh and 240 mesh respectively) Feature 1.Three kinds of grinding Through the assembly of different parts, flat grinding, concave grinding and arc grinding can be achieved 2.Adjustable workbench The workbench can place components during the polishing process, which helps to increase stability. By loosening the red handle and adjusting the workbench arm, the position of the workbench can be adjusted, and it can also be easily disassembled. 3. Safety protective cover The grinding wheel cover provides protective measures for the polishing process, avoiding accidental breakage of the sand belt and causing injury. 4. Front grip handle Turn off the power, press down on the front handle, lower the driven wheel, and you can install and remove the sand belt. It also helps with the movement of machines. 5.Variable frequency governor Equipped with a variable frequency speed controller, press the green switch to start the speed controller, and turn the upper right knob to adjust the speed of the sand belt. This frequency converter can also be set to reverse, but safety precautions should be taken when using it. 6.Pure copper moter Using pure copper motor, strong power, durable, strong grinding efficiency. 7.Equipped with three selected sand belts Has heat and water resistance, suitable for dry grinding, can add coolant, good grinding effect.Three 1800mm sand belts,60 mesh, 120 mesh, and 240 mesh respectively. Three kinds of grinding Note Different batches of belts have different colors.Different places have different receptacles. Please note this plug and consult your electrician before purchase. Package Includes: 1 set Belt Sander Knife Grinder (190238) You can make order with no worry. Any concerns just feel free to let us know, we'll reply in 24 hours in normal condition. Handling Time: Shipping is usually made in 1-3 business days after payments cleared. Orders are processed from Monday-Friday; Not on the weekends public holidays. Warranty: 6 months' warranty for the machines, not for the consumables. We stand behind our products all the item, so even if your warranty period has expired, you can still seek for service or technical support from us with low cost.